{"pageNumber":"1061","pageRowStart":"26500","pageSize":"25","recordCount":184743,"records":[{"id":70178178,"text":"70178178 - 2016 - Subsea ice-bearing permafrost on the U.S. Beaufort Margin: 1. Minimum seaward extent defined from multichannel seismic reflection data","interactions":[],"lastModifiedDate":"2017-05-18T11:07:17","indexId":"70178178","displayToPublicDate":"2016-11-04T15:30:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1757,"text":"Geochemistry, Geophysics, Geosystems","active":true,"publicationSubtype":{"id":10}},"title":"Subsea ice-bearing permafrost on the U.S. Beaufort Margin: 1. Minimum seaward extent defined from multichannel seismic reflection data","docAbstract":"Subsea ice-bearing permafrost (IBPF) and associated gas hydrate in the Arctic have been subject to a warming climate and saline intrusion since the last transgression at the end of the Pleistocene. The consequent degradation of IBPF is potentially associated with significant degassing of dissociating gas hydrate deposits. Previous studies interpreted the distribution of subsea permafrost on the U.S. Beaufort continental shelf based on geographically sparse data sets and modeling of expected thermal history. The most cited work projects subsea permafrost to the shelf edge (∼100 m isobath). This study uses a compilation of stacking velocity analyses from ∼100,000 line-km of industry-collected multichannel seismic reflection data acquired over 57,000 km2 of the U.S. Beaufort shelf to delineate continuous subsea IBPF. Gridded average velocities of the uppermost 750 ms two-way travel time range from 1475 to 3110 m s−1. The monotonic, cross-shore pattern in velocity distribution suggests that the seaward extent of continuous IBPF is within 37 km of the modern shoreline at water depths < 25 m. These interpretations corroborate recent Beaufort seismic refraction studies and provide the best, margin-scale evidence that continuous subsea IBPF does not currently extend to the northern limits of the continental shelf.
","language":"English","publisher":"AGU Publications","doi":"10.1002/2016GC006584","usgsCitation":"Brothers, L.L., Herman, B.M., Hart, P.E., and Ruppel, C., 2016, Subsea ice-bearing permafrost on the U.S. Beaufort Margin: 1. Minimum seaward extent defined from multichannel seismic reflection data: Geochemistry, Geophysics, Geosystems, v. 17, no. 11, p. 4354-4365, https://doi.org/10.1002/2016GC006584.","startPage":"4354","endPage":"4365","ipdsId":"IP-074615","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":470436,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1002/2016gc006584","text":"External Repository"},{"id":330775,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"11","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2016-11-04","publicationStatus":"PW","scienceBaseUri":"581d9e2ae4b0dee4cc90cbbb","contributors":{"authors":[{"text":"Brothers, Laura L. 0000-0003-2986-5166 lbrothers@usgs.gov","orcid":"https://orcid.org/0000-0003-2986-5166","contributorId":176698,"corporation":false,"usgs":true,"family":"Brothers","given":"Laura","email":"lbrothers@usgs.gov","middleInitial":"L.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":653141,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Herman, Bruce M.","contributorId":176704,"corporation":false,"usgs":false,"family":"Herman","given":"Bruce","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":653142,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hart, Patrick E. 0000-0002-5080-1426 hart@usgs.gov","orcid":"https://orcid.org/0000-0002-5080-1426","contributorId":2879,"corporation":false,"usgs":true,"family":"Hart","given":"Patrick","email":"hart@usgs.gov","middleInitial":"E.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":653143,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ruppel, Carolyn D. 0000-0003-2284-6632 cruppel@usgs.gov","orcid":"https://orcid.org/0000-0003-2284-6632","contributorId":145770,"corporation":false,"usgs":true,"family":"Ruppel","given":"Carolyn D.","email":"cruppel@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":653144,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70176983,"text":"fs20163086 - 2016 - Assessment of undiscovered oil and gas resources of the Lusitanian Basin Province, Portugal, 2016","interactions":[],"lastModifiedDate":"2016-11-04T12:02:55","indexId":"fs20163086","displayToPublicDate":"2016-11-04T12:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2016-3086","title":"Assessment of undiscovered oil and gas resources of the Lusitanian Basin Province, Portugal, 2016","docAbstract":"Using a geology-based assessment methodology, the U.S. Geological Survey assessed mean undiscovered, technically recoverable resources of 121 million barrels of oil and 212 billion cubic feet of gas in the Lusitanian Basin Province, Portugal.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20163086","usgsCitation":"Schenk, C.J., Tennyson, M.E., Klett, T.R., Finn, T.M., Mercier, T.J., Gaswirth, S.B., Marra, K.R., Le, P.A., Hawkins, S.J., Leathers-Miller, H.M., and Paxton, S.T., 2016, Assessment of undiscovered oil and gas resources of the Lusitanian Basin Province, Portugal, 2016: U.S. Geological Survey Fact Sheet 2016–3086, 2 p., https://dx.doi.org/10.3133/fs20163086.\n","productDescription":"2 p.","onlineOnly":"N","ipdsId":"IP-075915","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":330672,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2016/3086/fs20163086.pdf","text":"Report","size":"296 kB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 2016-3086"},{"id":330671,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/2016/3086/coverthb.jpg"}],"country":"Portugal","otherGeospatial":"Lusitanian Basin Province","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -10.6,\n 38\n ],\n [\n -10.6,\n 40.5\n ],\n [\n -8.0,\n 40.5\n ],\n [\n -8.0,\n 38\n ],\n [\n -10.6,\n 38\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, Central Energy Resources Science Center
U.S. Geological Survey
Box 25046, MS-939
Denver Federal Center
Denver, CO 80225-0046
http://energy.usgs.gov
","tableOfContents":"- Introduction
- Geologic Models for Assessment
- Undiscovered Resource Summary
- References
","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"publishedDate":"2016-11-04","noUsgsAuthors":false,"publicationDate":"2016-11-04","publicationStatus":"PW","scienceBaseUri":"581d9e2be4b0dee4cc90cbbf","contributors":{"authors":[{"text":"Schenk, Christopher J. 0000-0002-0248-7305 schenk@usgs.gov","orcid":"https://orcid.org/0000-0002-0248-7305","contributorId":826,"corporation":false,"usgs":true,"family":"Schenk","given":"Christopher","email":"schenk@usgs.gov","middleInitial":"J.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":650921,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tennyson, Marilyn E. 0000-0002-5166-2421 tennyson@usgs.gov","orcid":"https://orcid.org/0000-0002-5166-2421","contributorId":147380,"corporation":false,"usgs":true,"family":"Tennyson","given":"Marilyn","email":"tennyson@usgs.gov","middleInitial":"E.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":650922,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Klett, Timothy R. 0000-0001-9779-1168 tklett@usgs.gov","orcid":"https://orcid.org/0000-0001-9779-1168","contributorId":140834,"corporation":false,"usgs":true,"family":"Klett","given":"Timothy R.","email":"tklett@usgs.gov","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":650923,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Finn, Thomas M. 0000-0001-6396-9351 finn@usgs.gov","orcid":"https://orcid.org/0000-0001-6396-9351","contributorId":778,"corporation":false,"usgs":true,"family":"Finn","given":"Thomas","email":"finn@usgs.gov","middleInitial":"M.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":650924,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mercier, Tracey J. 0000-0002-8232-525X tmercier@usgs.gov","orcid":"https://orcid.org/0000-0002-8232-525X","contributorId":2847,"corporation":false,"usgs":true,"family":"Mercier","given":"Tracey","email":"tmercier@usgs.gov","middleInitial":"J.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":650925,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gaswirth, Stephanie B. 0000-0001-5821-6347 sgaswirth@usgs.gov","orcid":"https://orcid.org/0000-0001-5821-6347","contributorId":147385,"corporation":false,"usgs":true,"family":"Gaswirth","given":"Stephanie","email":"sgaswirth@usgs.gov","middleInitial":"B.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":650926,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Marra, Kristen R. 0000-0001-8027-5255 kmarra@usgs.gov","orcid":"https://orcid.org/0000-0001-8027-5255","contributorId":4844,"corporation":false,"usgs":true,"family":"Marra","given":"Kristen","email":"kmarra@usgs.gov","middleInitial":"R.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":650927,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Le, Phuong A. 0000-0003-2477-509X ple@usgs.gov","orcid":"https://orcid.org/0000-0003-2477-509X","contributorId":146384,"corporation":false,"usgs":true,"family":"Le","given":"Phuong","email":"ple@usgs.gov","middleInitial":"A.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":650928,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Hawkins, Sarah J. 0000-0002-1878-9121 shawkins@usgs.gov","orcid":"https://orcid.org/0000-0002-1878-9121","contributorId":4818,"corporation":false,"usgs":true,"family":"Hawkins","given":"Sarah","email":"shawkins@usgs.gov","middleInitial":"J.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":650929,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Leathers-Miller, Heidi M. 0000-0001-5208-9906 hleathers@usgs.gov","orcid":"https://orcid.org/0000-0001-5208-9906","contributorId":149262,"corporation":false,"usgs":true,"family":"Leathers-Miller","given":"Heidi","email":"hleathers@usgs.gov","middleInitial":"M.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":650930,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Paxton, Stanley T. 0000-0002-9098-1740 spaxton@usgs.gov","orcid":"https://orcid.org/0000-0002-9098-1740","contributorId":739,"corporation":false,"usgs":true,"family":"Paxton","given":"Stanley","email":"spaxton@usgs.gov","middleInitial":"T.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":650931,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70173784,"text":"sim3358 - 2016 - Landslides in the western Columbia Gorge, Skamania County, Washington","interactions":[],"lastModifiedDate":"2017-05-04T21:09:30","indexId":"sim3358","displayToPublicDate":"2016-11-04T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":333,"text":"Scientific Investigations Map","code":"SIM","onlineIssn":"2329-132X","printIssn":"2329-1311","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"3358","title":"Landslides in the western Columbia Gorge, Skamania County, Washington","docAbstract":"Summary
Recent light detection and ranging (lidar) imagery has allowed us to identify and map a large number of previously unrecognized landslides, or slides, in heavily forested terrain in the western Columbia Gorge, Skamania County, Washington, and it has revealed that the few previously recognized areas of instability are actually composites of multiple smaller landslides. The high resolution of the imagery further reveals that landslides in the map area have complex movement histories and span a wide range of relative ages. Movement histories are inferred from relative landslide locations and crosscutting relations of surface features. Estimated age ranges are based on (1) limited absolute dating; (2) relative fineness of landscape surface textures, calibrated by comparison with surfaces of currently active and dated landslides as interpreted from interferometric synthetic aperture radar (InSAR), global positioning system (GPS), and historical records; (3) sharpness and steepness of larger-scale surface morphologic features, calibrated by comparison with similar dated features in other regions; (4) degree of surface erosion; and (5) evidence of erosion or deposition by late Pleistocene (15–22 ka) Missoula floods at or below 200 m altitude. The relative age categories are recent (0 to ~1,000 years old), intermediate-age (~1,000 to ~15,000 years old), and old (>~15,000 years old). Within the 221.5 km2 map area, we identified 215 discrete landslides, covering 140.9 km2 (64 percent of the map area). At least 12 of the recent landslides are currently moving or have moved within the last two decades. Mapping for this study expanded the area of previously recognized unstable terrain by 56 percent. Landslide geometries suggest that more than half (62 percent) of these slope failures are translational landslides or composite landslides with translational elements, with failure occurring along gently sloping bedding planes in zones of deeply weathered, locally clay rich volcaniclastic sedimentary units. Approximately two-thirds of the mapped landslide area comprises landslides that have remobilized parts of older slides, and 37 percent of these reactivated slides have involved reactivation of material from two or more older slides. The largest two recent landslides have volumes ≈1 km3 and runouts ≈6 km. One of these, the Bonneville landslide, temporarily dammed the Columbia River almost 600 years ago, and subsequent dam-break flooding inundated downstream areas. The other, the Red Bluffs landslide, slid into the river adjacent to the Bonneville landslide but apparently did not form a landslide dam. Another such landslide rapidly sliding into the Columbia River today could have a catastrophic impact on downstream communities and on the transportation and energy-distribution infrastructure of the Pacific Northwest.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sim3358","usgsCitation":"Pierson, T.C., Evarts, R.C., and Bard, J.A., 2016, Landslides in the western Columbia Gorge, Skamania County, Washington: U.S. Geological Survey Scientific Investigations Map 3358, scale 1:12,000, pamphlet 22 p., https://dx.doi.org/10.3133/sim3358.","productDescription":"Report: iii, 22 p.; Sheet: 42.56 x 34.63 inches; Appendix; Metadata; Read Me; Geodatabase","numberOfPages":"25","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-061936","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":330715,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sim/3358/sim3358_pamphlet.pdf","text":"Pamphlet","size":"1.8 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIM 3358 Pamphlet"},{"id":330713,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sim/3358/coverthb.jpg"},{"id":330716,"rank":4,"type":{"id":3,"text":"Appendix"},"url":"https://pubs.usgs.gov/sim/3358/sim3358_appendix.xlsx","size":"45 KB","linkFileType":{"id":3,"text":"xlsx"},"description":"SIM 3358 Appendix"},{"id":330714,"rank":2,"type":{"id":26,"text":"Sheet"},"url":"https://pubs.usgs.gov/sim/3358/sim3358.pdf","text":"Map","size":"27.1 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIM 3358"},{"id":330717,"rank":5,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/sim/3358/sim3358_readme.txt","size":"2 KB","linkFileType":{"id":2,"text":"txt"},"description":"SIM 3358 Read Me"},{"id":330718,"rank":6,"type":{"id":23,"text":"Spatial Data"},"url":"https://pubs.usgs.gov/sim/3358/sim3358_database.zip","text":"Geodatabase","size":"483 KB","linkFileType":{"id":6,"text":"zip"},"description":"SIM 3358 Geodatabase"},{"id":330719,"rank":7,"type":{"id":16,"text":"Metadata"},"url":"https://pubs.usgs.gov/sim/3358/sim3358_metadata.zip","size":"16 KB","linkFileType":{"id":6,"text":"zip"},"description":"SIM 3358 Metadata"}],"country":"United States","state":"Washington","county":"Skamania County","otherGeospatial":"Columbia Gorge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.14393615722655,\n 45.574158302265765\n ],\n [\n -122.14393615722655,\n 45.74404779674727\n ],\n [\n -121.80130004882811,\n 45.74404779674727\n ],\n [\n -121.80130004882811,\n 45.574158302265765\n ],\n [\n -122.14393615722655,\n 45.574158302265765\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Contact CVO
Volcano Science Center, Cascades Volcano Observatory
U.S. Geological Survey
1300 SE Cardinal Court, Building 10, Suite 100
Vancouver, WA 98683-9589
http://vulcan.wr.usgs.gov/
","tableOfContents":"- Summary
- Introduction
- Previous Landslide Mapping
- Methodology
- Mapping Results and Conclusions
- Mapping Confidence and Limitations
- Digital Maps and Supplemental Material
- Acknowledgments
- References Cited
","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"publishedDate":"2016-11-04","noUsgsAuthors":false,"publicationDate":"2016-11-04","publicationStatus":"PW","scienceBaseUri":"581d9e2be4b0dee4cc90cbc1","contributors":{"authors":[{"text":"Pierson, Thomas C. 0000-0001-9002-4273 tpierson@usgs.gov","orcid":"https://orcid.org/0000-0001-9002-4273","contributorId":2498,"corporation":false,"usgs":true,"family":"Pierson","given":"Thomas","email":"tpierson@usgs.gov","middleInitial":"C.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":638183,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Evarts, Russell C. revarts@usgs.gov","contributorId":1974,"corporation":false,"usgs":true,"family":"Evarts","given":"Russell","email":"revarts@usgs.gov","middleInitial":"C.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":638184,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bard, Joseph A. 0000-0003-3143-4007 jbard@usgs.gov","orcid":"https://orcid.org/0000-0003-3143-4007","contributorId":5590,"corporation":false,"usgs":true,"family":"Bard","given":"Joseph","email":"jbard@usgs.gov","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"preferred":true,"id":638185,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70178124,"text":"70178124 - 2016 - Isotopic compositions of the elements 2013 (IUPAC Technical Report)","interactions":[],"lastModifiedDate":"2016-11-03T13:29:57","indexId":"70178124","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3207,"text":"Pure and Applied Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Isotopic compositions of the elements 2013 (IUPAC Technical Report)","docAbstract":"The Commission on Isotopic Abundances and Atomic Weights (ciaaw.org) of the International Union of Pure and Applied Chemistry (iupac.org) has revised the Table of Isotopic Compositions of the Elements (TICE). The update involved a critical evaluation of the recent published literature. The new TICE 2013 includes evaluated data from the “best measurement” of the isotopic abundances in a single sample, along with a set of representative isotopic abundances and uncertainties that accommodate known variations in normal terrestrial materials.
","language":"English","publisher":"International Union of Pure and Applied Chemistry","publisherLocation":"Oxford","doi":"10.1515/pac-2015-0503","usgsCitation":"Meija, J., Coplen, T.B., Berglund, M., Brand, W., De Bievre, P., Gröning, M., Holden, N.E., Irrgeher, J., Loss, R.D., Walczyk, T., and Prohaska, T., 2016, Isotopic compositions of the elements 2013 (IUPAC Technical Report): Pure and Applied Chemistry, v. 88, no. 3, p. 293-306, https://doi.org/10.1515/pac-2015-0503.","productDescription":"14 p.","startPage":"293","endPage":"306","ipdsId":"IP-067184","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":470442,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1515/pac-2015-0503","text":"Publisher Index Page"},{"id":330710,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"88","issue":"3","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2016-02-20","publicationStatus":"PW","scienceBaseUri":"581c4cc1e4b09688d6e90f9f","contributors":{"authors":[{"text":"Meija, Juris","contributorId":78226,"corporation":false,"usgs":true,"family":"Meija","given":"Juris","affiliations":[],"preferred":false,"id":652980,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coplen, Tyler B. 0000-0003-4884-6008 tbcoplen@usgs.gov","orcid":"https://orcid.org/0000-0003-4884-6008","contributorId":508,"corporation":false,"usgs":true,"family":"Coplen","given":"Tyler","email":"tbcoplen@usgs.gov","middleInitial":"B.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true},{"id":37464,"text":"WMA - Laboratory & Analytical Services Division","active":true,"usgs":true}],"preferred":true,"id":652981,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Berglund, Michael","contributorId":42858,"corporation":false,"usgs":true,"family":"Berglund","given":"Michael","email":"","affiliations":[],"preferred":false,"id":652982,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brand, Willi A.","contributorId":38866,"corporation":false,"usgs":true,"family":"Brand","given":"Willi A.","affiliations":[],"preferred":false,"id":652983,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"De Bievre, Paul","contributorId":22230,"corporation":false,"usgs":true,"family":"De Bievre","given":"Paul","email":"","affiliations":[],"preferred":false,"id":652984,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gröning, Manfred","contributorId":26954,"corporation":false,"usgs":true,"family":"Gröning","given":"Manfred","affiliations":[],"preferred":false,"id":652985,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Holden, Norman E.","contributorId":86661,"corporation":false,"usgs":true,"family":"Holden","given":"Norman","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":652986,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Irrgeher, Johanna","contributorId":176643,"corporation":false,"usgs":false,"family":"Irrgeher","given":"Johanna","email":"","affiliations":[],"preferred":false,"id":652987,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Loss, Robert D.","contributorId":89788,"corporation":false,"usgs":true,"family":"Loss","given":"Robert","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":652988,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Walczyk, Thomas","contributorId":58925,"corporation":false,"usgs":true,"family":"Walczyk","given":"Thomas","affiliations":[],"preferred":false,"id":652989,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Prohaska, Thomas","contributorId":101170,"corporation":false,"usgs":true,"family":"Prohaska","given":"Thomas","affiliations":[],"preferred":false,"id":652990,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70178126,"text":"70178126 - 2016 - Cretaceous–Cenozoic burial and exhumation history of the Chukchi shelf, offshore Arctic Alaska","interactions":[],"lastModifiedDate":"2016-11-03T12:58:23","indexId":"70178126","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":605,"text":"AAPG Bulletin","printIssn":"0149-1423","active":true,"publicationSubtype":{"id":10}},"title":"Cretaceous–Cenozoic burial and exhumation history of the Chukchi shelf, offshore Arctic Alaska","docAbstract":"Apatite fission track (AFT) and vitrinite reflectance data from five exploration wells and three seafloor cores illuminate the thermal history of the underexplored United States Chukchi shelf. On the northeastern shelf, Triassic strata in the Chevron 1 Diamond well record apatite annealing followed by cooling, possibly during the Triassic to Middle Jurassic, which is a thermal history likely related to Canada Basin rifting. Jurassic strata exhumed in the hanging wall of the frontal Herald Arch thrust fault record a history of probable Late Jurassic to Early Cretaceous structural burial in the Chukotka fold and thrust belt, followed by rapid exhumation to near-surface temperatures at 104 ± 30 Ma. This history of contractional tectonism is in good agreement with inherited fission track ages in low-thermal-maturity, Cretaceous–Cenozoic strata in the Chukchi foreland, providing complementary evidence for the timing of exhumation and suggesting a source-to-sink relationship. In the central Chukchi foreland, inverse modeling of reset AFT samples from the Shell 1 Klondike and Shell 1 Crackerjack wells reveals several tens of degrees of cooling from maximum paleo-temperatures, with maximum heating permissible at any time from about 100 to 50 Ma, and cooling persisting to as recent as 30 Ma. Similar histories are compatible with partially reset AFT samples from other Chukchi wells (Shell 1 Popcorn, Shell 1 Burger, and Chevron 1 Diamond) and are probable in light of regional geologic evidence. Given geologic context provided by regional seismic reflection data, we interpret these inverse models to reveal a Late Cretaceous episode of cyclical burial and erosion across the central Chukchi shelf, possibly partially overprinted by Cenozoic cooling related to decreasing surface temperatures. Regionally, we interpret this kinematic history to be reflective of moderate, transpressional deformation of the Chukchi shelf during the final phases of contractional tectonism in the Chukotkan orogen (lasting until ∼70 Ma), followed by renewed subsidence of the Chukchi shelf in the latest Cretaceous and Cenozoic. This history maintained modest thermal maturities at the base of the Brookian sequence across the Chukchi shelf, because large sediment volumes bypassed to adjacent depocenters. Therefore, the Chukchi shelf appears to be an area with the potential for widespread preservation of petroleum systems in the oil window.
","language":"English","publisher":"American Association of Petroleum Geologists","publisherLocation":"Tulsa, OK","doi":"10.1306/09291515010","usgsCitation":"Craddock, W.H., and Houseknecht, D.W., 2016, Cretaceous–Cenozoic burial and exhumation history of the Chukchi shelf, offshore Arctic Alaska: AAPG Bulletin, v. 100, no. 1, p. 63-100, https://doi.org/10.1306/09291515010.","productDescription":"38 p.","startPage":"63","endPage":"100","ipdsId":"IP-063616","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":330700,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Russia, United States","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -175,\n 75\n ],\n [\n -175,\n 64\n ],\n [\n -165,\n 64\n ],\n [\n -165,\n 75\n ],\n [\n -175,\n 75\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"100","issue":"1","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581c4cc0e4b09688d6e90f9b","contributors":{"authors":[{"text":"Craddock, William H. 0000-0002-4181-4735 wcraddock@usgs.gov","orcid":"https://orcid.org/0000-0002-4181-4735","contributorId":3411,"corporation":false,"usgs":true,"family":"Craddock","given":"William","email":"wcraddock@usgs.gov","middleInitial":"H.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":652897,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Houseknecht, David W. 0000-0002-9633-6910 dhouse@usgs.gov","orcid":"https://orcid.org/0000-0002-9633-6910","contributorId":645,"corporation":false,"usgs":true,"family":"Houseknecht","given":"David","email":"dhouse@usgs.gov","middleInitial":"W.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":652898,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70177969,"text":"70177969 - 2016 - Bounded fractional diffusion in geological media: Definition and Lagrangian approximation","interactions":[],"lastModifiedDate":"2018-08-09T12:27:12","indexId":"70177969","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Bounded fractional diffusion in geological media: Definition and Lagrangian approximation","docAbstract":"Spatiotemporal Fractional-Derivative Models (FDMs) have been increasingly used to simulate non-Fickian diffusion, but methods have not been available to define boundary conditions for FDMs in bounded domains. This study defines boundary conditions and then develops a Lagrangian solver to approximate bounded, one-dimensional fractional diffusion. Both the zero-value and non-zero-value Dirichlet, Neumann, and mixed Robin boundary conditions are defined, where the sign of Riemann-Liouville fractional derivative (capturing non-zero-value spatial-nonlocal boundary conditions with directional super-diffusion) remains consistent with the sign of the fractional-diffusive flux term in the FDMs. New Lagrangian schemes are then proposed to track solute particles moving in bounded domains, where the solutions are checked against analytical or Eularian solutions available for simplified FDMs. Numerical experiments show that the particle-tracking algorithm for non-Fickian diffusion differs from Fickian diffusion in relocating the particle position around the reflective boundary, likely due to the non-local and non-symmetric fractional diffusion. For a non-zero-value Neumann or Robin boundary, a source cell with a reflective face can be applied to define the release rate of random-walking particles at the specified flux boundary. Mathematical definitions of physically meaningful nonlocal boundaries combined with bounded Lagrangian solvers in this study may provide the only viable techniques at present to quantify the impact of boundaries on anomalous diffusion, expanding the applicability of FDMs from infinite do mains to those with any size and boundary conditions.","language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1002/2016WR019178","usgsCitation":"Zhang, Y., Green, C.T., LaBolle, E.M., Neupauer, R.M., and Sun, H., 2016, Bounded fractional diffusion in geological media: Definition and Lagrangian approximation: Water Resources Research, v. 52, no. 11, p. 8561-8577, https://doi.org/10.1002/2016WR019178.","productDescription":"17 p.","startPage":"8561","endPage":"8577","ipdsId":"IP-075843","costCenters":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":470444,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/2016wr019178","text":"Publisher Index Page"},{"id":330678,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"52","issue":"11","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-11-12","publicationStatus":"PW","scienceBaseUri":"581c4cc2e4b09688d6e90fb1","contributors":{"authors":[{"text":"Zhang, Yong","contributorId":19029,"corporation":false,"usgs":true,"family":"Zhang","given":"Yong","affiliations":[],"preferred":false,"id":652794,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Green, Christopher T. 0000-0002-6480-8194 ctgreen@usgs.gov","orcid":"https://orcid.org/0000-0002-6480-8194","contributorId":1343,"corporation":false,"usgs":true,"family":"Green","given":"Christopher","email":"ctgreen@usgs.gov","middleInitial":"T.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":652795,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"LaBolle, Eric M.","contributorId":176579,"corporation":false,"usgs":false,"family":"LaBolle","given":"Eric","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":652796,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Neupauer, Roseanna M.","contributorId":176580,"corporation":false,"usgs":false,"family":"Neupauer","given":"Roseanna","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":652797,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sun, Hong-Guang 0000-0002-8422-3871","orcid":"https://orcid.org/0000-0002-8422-3871","contributorId":176581,"corporation":false,"usgs":false,"family":"Sun","given":"Hong-Guang","email":"","affiliations":[],"preferred":false,"id":652798,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70178127,"text":"70178127 - 2016 - Roost site selection by ring-billed and herring gulls","interactions":[],"lastModifiedDate":"2016-11-03T12:38:30","indexId":"70178127","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Roost site selection by ring-billed and herring gulls","docAbstract":"Gulls (Larus spp.) commonly roost in large numbers on inland and coastal waters, yet there is little information on how or where gulls choose sites for roosting. Roost site selection can lead to water quality degradation or aviation hazards when roosts are formed on water supply reservoirs or are close to airports. Harassment programs are frequently initiated to move or relocate roosting gulls but often have mixed results because gulls are reluctant to leave or keep returning. As such, knowledge of gull roost site selection and roosting ecology has applied and ecological importance. We used satellite telemetry and an information-theoretic approach to model seasonal roost selection of ring-billed (L. delawarensis) and herring gulls (L. argentatus) in Massachusetts, USA. Our results indicated that ring-billed gulls preferred freshwater roosts and will use a variety of rivers, lakes, and reservoirs. Herring gulls regularly roosted on fresh water but used salt water roosts more often than ring-billed gulls and also roosted on a variety of land habitats. Roost modeling showed that herring and ring-billed gulls selected inland fresh water roosts based on size of the water body and proximity to their last daytime location; they selected the largest roost closest to where they ended the day. Management strategies to reduce or eliminate roosting gulls could identify and try to eliminate other habitat variables (e.g., close-by foraging sites) that are attracting gulls before attempting to relocate or redistribute (e.g., through hazing programs) roosting birds.
","language":"English","publisher":"Wildlife Society","publisherLocation":"Menasha, WI","doi":"10.1002/jwmg.1066","usgsCitation":"Clark, D.E., DeStefano, S., MacKenzie, K.G., Koenen, K.K., and Whitney, J.J., 2016, Roost site selection by ring-billed and herring gulls: Journal of Wildlife Management, v. 80, no. 4, p. 708-719, https://doi.org/10.1002/jwmg.1066.","productDescription":"12 p.","startPage":"708","endPage":"719","ipdsId":"IP-052929","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":330694,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachusetts","county":"Hampden County, Hampshire County, Franklin County, Worcester County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-72.9302,42.738],[-72.9077,42.7376],[-72.8438,42.7365],[-72.61,42.7309],[-72.4566,42.7276],[-72.3487,42.7247],[-72.2832,42.7229],[-72.1097,42.7183],[-71.9287,42.713],[-71.8994,42.7121],[-71.8969,42.7037],[-71.8743,42.6869],[-71.8699,42.6833],[-71.8656,42.6842],[-71.8637,42.6792],[-71.8574,42.6752],[-71.8561,42.6679],[-71.8585,42.6338],[-71.8448,42.6379],[-71.7943,42.6367],[-71.775,42.6363],[-71.775,42.644],[-71.6646,42.6115],[-71.6757,42.5519],[-71.6787,42.5301],[-71.6358,42.5238],[-71.6389,42.5315],[-71.6364,42.5347],[-71.6358,42.5397],[-71.6234,42.5515],[-71.6227,42.552],[-71.6209,42.5524],[-71.6203,42.5524],[-71.6103,42.5465],[-71.6078,42.5452],[-71.5947,42.5434],[-71.5929,42.5443],[-71.5804,42.5502],[-71.5393,42.5429],[-71.5319,42.5202],[-71.5294,42.5193],[-71.5437,42.5002],[-71.5604,42.4748],[-71.5436,42.4666],[-71.5591,42.4121],[-71.5852,42.4071],[-71.6045,42.3975],[-71.5802,42.3871],[-71.6081,42.3707],[-71.6032,42.3675],[-71.6069,42.3616],[-71.61,42.358],[-71.6261,42.3493],[-71.6174,42.3416],[-71.6044,42.3371],[-71.6044,42.3312],[-71.5975,42.3212],[-71.5851,42.3112],[-71.5708,42.3198],[-71.5498,42.3271],[-71.5312,42.3285],[-71.5163,42.3303],[-71.5082,42.3276],[-71.4865,42.3303],[-71.4846,42.3208],[-71.4859,42.3103],[-71.5051,42.2731],[-71.5057,42.2681],[-71.5057,42.2644],[-71.5076,42.2635],[-71.5144,42.2676],[-71.5225,42.2662],[-71.5324,42.2662],[-71.5404,42.2626],[-71.5448,42.2644],[-71.5534,42.2676],[-71.5609,42.2676],[-71.5869,42.2594],[-71.603,42.2171],[-71.5831,42.1949],[-71.572,42.194],[-71.5726,42.1922],[-71.5565,42.1913],[-71.5558,42.1822],[-71.5391,42.1895],[-71.5076,42.1886],[-71.5026,42.1913],[-71.497,42.1663],[-71.4778,42.1654],[-71.4778,42.1568],[-71.4779,42.1318],[-71.5007,42.1177],[-71.5001,42.1141],[-71.5026,42.1118],[-71.4989,42.1036],[-71.4952,42.1014],[-71.4983,42.095],[-71.4983,42.0169],[-71.5366,42.0159],[-71.5588,42.0153],[-71.6681,42.0122],[-71.7979,42.0089],[-71.7991,42.0238],[-71.8856,42.0254],[-71.9436,42.0264],[-71.9696,42.0274],[-71.9763,42.0277],[-72.003,42.0291],[-72.0814,42.0287],[-72.1023,42.0295],[-72.1358,42.0307],[-72.1364,42.0308],[-72.2322,42.0312],[-72.2934,42.0317],[-72.3082,42.0316],[-72.349,42.0325],[-72.4476,42.0343],[-72.4522,42.0344],[-72.4588,42.0343],[-72.4744,42.0344],[-72.5094,42.0349],[-72.5263,42.035],[-72.5732,42.0301],[-72.5848,42.0248],[-72.604,42.0252],[-72.6071,42.0253],[-72.6095,42.0307],[-72.6399,42.0316],[-72.6802,42.0351],[-72.7077,42.0371],[-72.7574,42.0362],[-72.7565,42.0314],[-72.7572,42.0287],[-72.7596,42.026],[-72.7634,42.0234],[-72.7686,42.0043],[-72.8182,41.9979],[-72.8168,42.0164],[-72.8155,42.0377],[-72.899,42.0379],[-72.9398,42.0379],[-72.9688,42.0385],[-73.0087,42.0395],[-73.0405,42.0403],[-73.0482,42.0405],[-73.0517,42.0405],[-73.0568,42.0479],[-73.0556,42.0534],[-73.0551,42.0579],[-73.0576,42.0593],[-73.0595,42.0602],[-73.0608,42.0629],[-73.0597,42.0674],[-73.0622,42.0706],[-73.0733,42.0945],[-73.0747,42.1022],[-73.076,42.1058],[-73.0748,42.109],[-73.0724,42.1118],[-73.0627,42.1178],[-73.0634,42.1219],[-73.0653,42.1264],[-73.0673,42.1305],[-73.068,42.1354],[-73.0687,42.1386],[-73.0694,42.1427],[-73.0701,42.145],[-73.0708,42.1481],[-73.0348,42.1436],[-73.0049,42.2498],[-73.0018,42.2512],[-73.0006,42.3121],[-73.0031,42.3098],[-73.0061,42.3047],[-73.0091,42.3042],[-73.0161,42.3105],[-73.0198,42.3082],[-73.0235,42.3095],[-73.0272,42.3077],[-73.0385,42.3144],[-73.0405,42.3207],[-73.0455,42.3188],[-73.0461,42.3211],[-73.048,42.322],[-73.0498,42.321],[-73.0631,42.3291],[-73.0679,42.3808],[-73.0656,42.389],[-73.0114,42.3797],[-72.9993,42.423],[-72.989,42.4635],[-72.9837,42.4768],[-72.9682,42.5401],[-72.9788,42.5414],[-72.9754,42.5559],[-72.9504,42.6417],[-72.9525,42.6507],[-72.9544,42.6512],[-72.9557,42.6552],[-72.9547,42.6648],[-72.9566,42.6666],[-72.9603,42.6675],[-72.9628,42.6661],[-72.964,42.6642],[-72.9708,42.6637],[-72.9745,42.6609],[-72.977,42.6609],[-72.9815,42.665],[-72.9877,42.6667],[-72.9941,42.6721],[-72.9954,42.6739],[-72.991,42.6744],[-72.9885,42.6749],[-72.9886,42.6781],[-72.9762,42.6791],[-72.9775,42.6841],[-72.9745,42.6887],[-72.9632,42.6874],[-72.9571,42.6902],[-72.9533,42.6903],[-72.9509,42.6958],[-72.9535,42.6985],[-72.9486,42.704],[-72.9542,42.7048],[-72.9978,42.7011],[-73.0228,42.7027],[-73.023,42.7397],[-72.9302,42.738]]]},\"properties\":{\"name\":\"Franklin\",\"state\":\"MA\"}}]}","volume":"80","issue":"4","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2016-03-28","publicationStatus":"PW","scienceBaseUri":"581c4cc0e4b09688d6e90f99","contributors":{"authors":[{"text":"Clark, Daniel E.","contributorId":166686,"corporation":false,"usgs":false,"family":"Clark","given":"Daniel","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":652905,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"DeStefano, Stephen 0000-0003-2472-8373 destef@usgs.gov","orcid":"https://orcid.org/0000-0003-2472-8373","contributorId":166706,"corporation":false,"usgs":true,"family":"DeStefano","given":"Stephen","email":"destef@usgs.gov","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":false,"id":652900,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"MacKenzie, Kenneth G.","contributorId":166688,"corporation":false,"usgs":false,"family":"MacKenzie","given":"Kenneth","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":652906,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Koenen, Kiana K. G.","contributorId":34313,"corporation":false,"usgs":true,"family":"Koenen","given":"Kiana","email":"","middleInitial":"K. G.","affiliations":[],"preferred":false,"id":652907,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Whitney, Jillian J.","contributorId":166687,"corporation":false,"usgs":false,"family":"Whitney","given":"Jillian","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":652908,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70178130,"text":"70178130 - 2016 - Fault segmentation: New concepts from the Wasatch Fault Zone, Utah, USA","interactions":[],"lastModifiedDate":"2016-11-03T13:17:00","indexId":"70178130","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Fault segmentation: New concepts from the Wasatch Fault Zone, Utah, USA","docAbstract":"The question of whether structural segment boundaries along multisegment normal faults such as the Wasatch fault zone (WFZ) act as persistent barriers to rupture is critical to seismic hazard analyses. We synthesized late Holocene paleoseismic data from 20 trench sites along the central WFZ to evaluate earthquake rupture length and fault segmentation. For the youngest (<3 ka) and best-constrained earthquakes, differences in earthquake timing across prominent primary segment boundaries, especially for the most recent earthquakes on the north-central WFZ, are consistent with segment-controlled ruptures. However, broadly constrained earthquake times, dissimilar event times along the segments, the presence of smaller-scale (subsegment) boundaries, and areas of complex faulting permit partial-segment and multisegment (e.g., spillover) ruptures that are shorter (~20–40 km) or longer (~60–100 km) than the primary segment lengths (35–59 km). We report a segmented WFZ model that includes 24 earthquakes since ~7 ka and yields mean estimates of recurrence (1.1–1.3 kyr) and vertical slip rate (1.3–2.0 mm/yr) for the segments. However, additional rupture scenarios that include segment boundary spatial uncertainties, floating earthquakes, and multisegment ruptures are necessary to fully address epistemic uncertainties in rupture length. We compare the central WFZ to paleoseismic and historical surface ruptures in the Basin and Range Province and central Italian Apennines and conclude that displacement profiles have limited value for assessing the persistence of segment boundaries but can aid in interpreting prehistoric spillover ruptures. Our comparison also suggests that the probabilities of shorter and longer ruptures on the WFZ need to be investigated.
","language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1002/2015JB012519","usgsCitation":"DuRoss, C., Personius, S.F., Crone, A.J., Olig, S.S., Hylland, M., Lund, W., and Schwartz, D.P., 2016, Fault segmentation: New concepts from the Wasatch Fault Zone, Utah, USA: Journal of Geophysical Research B: Solid Earth, v. 121, no. 2, p. 1131-1157, https://doi.org/10.1002/2015JB012519.","productDescription":"27 p.","startPage":"1131","endPage":"1157","ipdsId":"IP-071316","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":470439,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/2015jb012519","text":"Publisher Index Page"},{"id":330706,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"Wasatch Fault Zone","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -111.3,\n 39.333333\n ],\n [\n -111.3,\n 41.9\n ],\n [\n -112.35,\n 41.9\n ],\n [\n -112.35,\n 39.333333\n ],\n [\n -111.3,\n 39.333333\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"121","issue":"2","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2016-02-18","publicationStatus":"PW","scienceBaseUri":"581c4cbfe4b09688d6e90f95","contributors":{"authors":[{"text":"DuRoss, Christopher 0000-0002-6963-7451 cduross@usgs.gov","orcid":"https://orcid.org/0000-0002-6963-7451","contributorId":152321,"corporation":false,"usgs":true,"family":"DuRoss","given":"Christopher","email":"cduross@usgs.gov","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":652945,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Personius, Stephen F. personius@usgs.gov","contributorId":1214,"corporation":false,"usgs":true,"family":"Personius","given":"Stephen","email":"personius@usgs.gov","middleInitial":"F.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":false,"id":652946,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Crone, Anthony J. 0000-0002-3006-406X crone@usgs.gov","orcid":"https://orcid.org/0000-0002-3006-406X","contributorId":790,"corporation":false,"usgs":true,"family":"Crone","given":"Anthony","email":"crone@usgs.gov","middleInitial":"J.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":652947,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Olig, Susan S.","contributorId":87640,"corporation":false,"usgs":true,"family":"Olig","given":"Susan","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":652948,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hylland, Michael D.","contributorId":106031,"corporation":false,"usgs":true,"family":"Hylland","given":"Michael D.","affiliations":[],"preferred":false,"id":652949,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lund, William R.","contributorId":48320,"corporation":false,"usgs":true,"family":"Lund","given":"William R.","affiliations":[],"preferred":false,"id":652950,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Schwartz, David P. 0000-0001-5193-9200 dschwartz@usgs.gov","orcid":"https://orcid.org/0000-0001-5193-9200","contributorId":1940,"corporation":false,"usgs":true,"family":"Schwartz","given":"David","email":"dschwartz@usgs.gov","middleInitial":"P.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":652951,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70178125,"text":"70178125 - 2016 - Atomic weights of the elements 2013 (IUPAC Technical Report)","interactions":[],"lastModifiedDate":"2016-11-03T13:26:02","indexId":"70178125","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3207,"text":"Pure and Applied Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Atomic weights of the elements 2013 (IUPAC Technical Report)","docAbstract":"The biennial review of atomic-weight determinations and other cognate data has resulted in changes for the standard atomic weights of 19 elements. The standard atomic weights of four elements have been revised based on recent determinations of isotopic abundances in natural terrestrial materials:
cadmium to 112.414(4) from 112.411(8),
molybdenum to 95.95(1) from 95.96(2),
selenium to 78.971(8) from 78.96(3), and
thorium to 232.0377(4) from 232.038 06(2).
The Commission on Isotopic Abundances and Atomic Weights (ciaaw.org) also revised the standard atomic weights of fifteen elements based on the 2012 Atomic Mass Evaluation:
aluminium (aluminum) to 26.981 5385(7) from 26.981 5386(8),
arsenic to 74.921 595(6) from 74.921 60(2),
beryllium to 9.012 1831(5) from 9.012 182(3),
caesium (cesium) to 132.905 451 96(6) from 132.905 4519(2),
cobalt to 58.933 194(4) from 58.933 195(5),
fluorine to 18.998 403 163(6) from 18.998 4032(5),
gold to 196.966 569(5) from 196.966 569(4),
holmium to 164.930 33(2) from 164.930 32(2),
manganese to 54.938 044(3) from 54.938 045(5),
niobium to 92.906 37(2) from 92.906 38(2),
phosphorus to 30.973 761 998(5) from 30.973 762(2),
praseodymium to 140.907 66(2) from 140.907 65(2),
scandium to 44.955 908(5) from 44.955 912(6),
thulium to 168.934 22(2) from 168.934 21(2), and
yttrium to 88.905 84(2) from 88.905 85(2).
The Commission also recommends the standard value for the natural terrestrial uranium isotope ratio, N(238U)/N(235U)=137.8(1).
","language":"English","publisher":"International Union of Pure and Applied Chemistry","publisherLocation":"Oxford","doi":"10.1515/pac-2015-0305","usgsCitation":"Meija, J., Coplen, T.B., Berglund, M., Brand, W., De Bievre, P., Gröning, M., Holden, N.E., Irrgeher, J., Loss, R.D., Walczyk, T., and Prohaska, T., 2016, Atomic weights of the elements 2013 (IUPAC Technical Report): Pure and Applied Chemistry, v. 88, no. 3, p. 265-291, https://doi.org/10.1515/pac-2015-0305.","productDescription":"27 p.","startPage":"265","endPage":"291","ipdsId":"IP-067375","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":470440,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1515/pac-2015-0305","text":"Publisher Index Page"},{"id":330709,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"88","issue":"3","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2016-02-24","publicationStatus":"PW","scienceBaseUri":"581c4cc1e4b09688d6e90f9d","contributors":{"authors":[{"text":"Meija, Juris","contributorId":78226,"corporation":false,"usgs":true,"family":"Meija","given":"Juris","affiliations":[],"preferred":false,"id":652966,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coplen, Tyler B. 0000-0003-4884-6008 tbcoplen@usgs.gov","orcid":"https://orcid.org/0000-0003-4884-6008","contributorId":508,"corporation":false,"usgs":true,"family":"Coplen","given":"Tyler","email":"tbcoplen@usgs.gov","middleInitial":"B.","affiliations":[{"id":37464,"text":"WMA - Laboratory & Analytical Services Division","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true}],"preferred":true,"id":652967,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Berglund, Michael","contributorId":42858,"corporation":false,"usgs":true,"family":"Berglund","given":"Michael","email":"","affiliations":[],"preferred":false,"id":652968,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brand, Willi A.","contributorId":38866,"corporation":false,"usgs":true,"family":"Brand","given":"Willi A.","affiliations":[],"preferred":false,"id":652969,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"De Bievre, Paul","contributorId":22230,"corporation":false,"usgs":true,"family":"De Bievre","given":"Paul","email":"","affiliations":[],"preferred":false,"id":652970,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gröning, Manfred","contributorId":26954,"corporation":false,"usgs":true,"family":"Gröning","given":"Manfred","affiliations":[],"preferred":false,"id":652971,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Holden, Norman E.","contributorId":86661,"corporation":false,"usgs":true,"family":"Holden","given":"Norman","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":652972,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Irrgeher, Johanna","contributorId":176643,"corporation":false,"usgs":false,"family":"Irrgeher","given":"Johanna","email":"","affiliations":[],"preferred":false,"id":652973,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Loss, Robert D.","contributorId":89788,"corporation":false,"usgs":true,"family":"Loss","given":"Robert","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":652974,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Walczyk, Thomas","contributorId":58925,"corporation":false,"usgs":true,"family":"Walczyk","given":"Thomas","affiliations":[],"preferred":false,"id":652975,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Prohaska, Thomas","contributorId":101170,"corporation":false,"usgs":true,"family":"Prohaska","given":"Thomas","affiliations":[],"preferred":false,"id":652976,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70178129,"text":"70178129 - 2016 - Population dynamics of mallards breeding in eastern Washington","interactions":[],"lastModifiedDate":"2016-11-03T12:49:57","indexId":"70178129","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Population dynamics of mallards breeding in eastern Washington","docAbstract":"Variation in regional population trends for mallards breeding in the western United States indicates that additional research into factors that influence demographics could contribute to management and understanding the population demographics of mallards across North America. We estimated breeding incidence and adult female, nest, and brood survival in eastern Washington in 2006 and 2007 by monitoring female mallards with radio telemetry and tested how those parameters were influenced by study year (2006 vs. 2007), landscape type (agricultural vs. natural), and age (second year [SY] vs. after second year [ASY]). We also investigated the effects of female body condition and capture date on breeding incidence, and nest initiation date and hatch date on nest and brood survival, respectively. We included population parameters in a stage-based demographic model and conducted a perturbation analysis to identify which vital rates were most influential on population growth rate (λ). Adult female survival was best modeled with a constant weekly survival rate (0.994, SE = 0.003). Breeding incidence differed between years and was higher for birds in better body condition. Nest survival was higher for ASY females (0.276, SE = 0.118) than SY females (0.066, SE = 0.052), and higher on publicly managed lands (0.383, SE = 0.212) than agricultural (0.114, SE = 0.058) landscapes. Brood survival was best modeled with a constant rate for the 7-week monitoring period (0.50, SE = 0.155). The single variable having the greatest influence on λ was non-breeding season survival, but the combination of parameters from the breeding grounds explained a greater percent of the variance in λ. Mallard population growth rate was most sensitive to changes in non-breeding survival, nest success, brood survival, and breeding incidence. Future management decisions should focus on activities that improve these vital rates if managers want to increase the production of mallards in eastern Washington.
","language":"English","publisher":"Wildlife Society","publisherLocation":"Menasha, WI","doi":"10.1002/jwmg.1030","usgsCitation":"Dugger, B., Coluccy, J.M., Dugger, K.M., Fox, T.T., Kraege, D.K., and Petrie, M.J., 2016, Population dynamics of mallards breeding in eastern Washington: Journal of Wildlife Management, v. 80, no. 3, p. 500-509, https://doi.org/10.1002/jwmg.1030.","productDescription":"10 p.","startPage":"500","endPage":"509","ipdsId":"IP-058959","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":330697,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Columbia Basin Irrigation Project","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -120.00915527343749,\n 46.24824991289166\n ],\n [\n -120.00915527343749,\n 47.956823800497475\n ],\n [\n -117.9107666015625,\n 47.956823800497475\n ],\n [\n -117.9107666015625,\n 46.24824991289166\n ],\n [\n -120.00915527343749,\n 46.24824991289166\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"80","issue":"3","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2016-02-06","publicationStatus":"PW","scienceBaseUri":"581c4cc0e4b09688d6e90f97","contributors":{"authors":[{"text":"Dugger, Bruce D.","contributorId":81236,"corporation":false,"usgs":true,"family":"Dugger","given":"Bruce D.","affiliations":[],"preferred":false,"id":652902,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coluccy, John M.","contributorId":111382,"corporation":false,"usgs":true,"family":"Coluccy","given":"John","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":652917,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dugger, Katie M. 0000-0002-4148-246X","orcid":"https://orcid.org/0000-0002-4148-246X","contributorId":36037,"corporation":false,"usgs":true,"family":"Dugger","given":"Katie","email":"","middleInitial":"M.","affiliations":[{"id":517,"text":"Oregon Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true}],"preferred":false,"id":652918,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fox, Trevor T.","contributorId":176632,"corporation":false,"usgs":false,"family":"Fox","given":"Trevor","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":652919,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kraege, Donald K.","contributorId":19738,"corporation":false,"usgs":false,"family":"Kraege","given":"Donald","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":652920,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Petrie, Mark J.","contributorId":89655,"corporation":false,"usgs":true,"family":"Petrie","given":"Mark","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":652921,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70178123,"text":"70178123 - 2016 - Spatial and temporal variability of contaminants within estuarine sediments and native Olympia oysters: A contrast between a developed and an undeveloped estuary","interactions":[],"lastModifiedDate":"2016-11-03T11:36:54","indexId":"70178123","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3352,"text":"Science of the Total Environment","active":true,"publicationSubtype":{"id":10}},"title":"Spatial and temporal variability of contaminants within estuarine sediments and native Olympia oysters: A contrast between a developed and an undeveloped estuary","docAbstract":"Chemical contaminants can be introduced into estuarine and marine ecosystems from a variety of sources including wastewater, agriculture and forestry practices, point and non-point discharges, runoff from industrial, municipal, and urban lands, accidental spills, and atmospheric deposition. The diversity of potential sources contributes to the likelihood of contaminated marine waters and sediments and increases the probability of uptake by marine organisms. Despite widespread recognition of direct and indirect pathways for contaminant deposition and organismal exposure in coastal systems, spatial and temporal variability in contaminant composition, deposition, and uptake patterns are still poorly known. We investigated these patterns for a suite of persistent legacy contaminants including polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) and chemicals of emerging concern including pharmaceuticals within two Oregon coastal estuaries (Coos and Netarts Bays). In the more urbanized Coos Bay, native Olympia oyster (Ostrea lurida) tissue had approximately twice the number of PCB congeners at over seven times the total concentration, yet fewer PBDEs at one-tenth the concentration as compared to the more rural Netarts Bay. Different pharmaceutical suites were detected during each sampling season. Variability in contaminant types and concentrations across seasons and between species and media (organisms versus sediment) indicates the limitation of using indicator species and/or sampling annually to determine contaminant loads at a site or for specific species. The results indicate the prevalence of legacy contaminants and CECs in relatively undeveloped coastal environments highlighting the need to improve policy and management actions to reduce contaminant releases into estuarine and marine waters and to deal with legacy compounds that remain long after prohibition of use. Our results point to the need for better understanding of the ecological and human health risks of exposure to the diverse cocktail of pollutants and harmful compounds that will continue to leach from estuarine sediments over time.
","language":"English","publisher":"Elsevier","publisherLocation":"Amsterdam","doi":"10.1016/j.scitotenv.2016.03.043","collaboration":"Portland State University, Oregon Water Science Center, Oregon Department of Environmental Quality","usgsCitation":"Granek, E.F., Conn, K., Nilsen, E.B., Pillsbury, L., Strecker, A.L., Rumrill, S., and Fish, W., 2016, Spatial and temporal variability of contaminants within estuarine sediments and native Olympia oysters: A contrast between a developed and an undeveloped estuary: Science of the Total Environment, v. 557-558, p. 869-879, https://doi.org/10.1016/j.scitotenv.2016.03.043.","productDescription":"11 p.","startPage":"869","endPage":"879","ipdsId":"IP-070780","costCenters":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":488517,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://pdxscholar.library.pdx.edu/esm_fac/144","text":"External Repository"},{"id":330690,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oregon","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -124.57809448242186,\n 43.15159875016117\n ],\n [\n -124.57809448242186,\n 43.555515149559746\n ],\n [\n -123.760986328125,\n 43.555515149559746\n ],\n [\n -123.760986328125,\n 43.15159875016117\n ],\n [\n -124.57809448242186,\n 43.15159875016117\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -124.26773071289062,\n 45.15686396890044\n ],\n [\n -124.26773071289062,\n 45.47939202177826\n ],\n [\n -123.52409362792969,\n 45.47939202177826\n ],\n [\n -123.52409362792969,\n 45.15686396890044\n ],\n [\n -124.26773071289062,\n 45.15686396890044\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"557-558","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581c4cc1e4b09688d6e90fa1","contributors":{"authors":[{"text":"Granek, Elise F.","contributorId":176630,"corporation":false,"usgs":false,"family":"Granek","given":"Elise","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":652867,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Conn, Kathleen E. 0000-0002-2334-6536 kconn@usgs.gov","orcid":"https://orcid.org/0000-0002-2334-6536","contributorId":3923,"corporation":false,"usgs":true,"family":"Conn","given":"Kathleen E.","email":"kconn@usgs.gov","affiliations":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"preferred":true,"id":652866,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nilsen, Elena B. 0000-0002-0104-6321 enilsen@usgs.gov","orcid":"https://orcid.org/0000-0002-0104-6321","contributorId":923,"corporation":false,"usgs":true,"family":"Nilsen","given":"Elena","email":"enilsen@usgs.gov","middleInitial":"B.","affiliations":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true}],"preferred":true,"id":652868,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pillsbury, Lori","contributorId":176618,"corporation":false,"usgs":false,"family":"Pillsbury","given":"Lori","email":"","affiliations":[],"preferred":false,"id":652893,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Strecker, Angela L.","contributorId":43256,"corporation":false,"usgs":true,"family":"Strecker","given":"Angela","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":652870,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rumrill, Steve","contributorId":176620,"corporation":false,"usgs":false,"family":"Rumrill","given":"Steve","email":"","affiliations":[],"preferred":false,"id":652894,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Fish, William","contributorId":176621,"corporation":false,"usgs":false,"family":"Fish","given":"William","email":"","affiliations":[],"preferred":false,"id":652872,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70178116,"text":"70178116 - 2016 - Deposition, accumulation, and alteration of Cl−, NO3−, ClO4− and ClO3− salts in a hyper-arid polar environment: Mass balance and isotopic constraints","interactions":[],"lastModifiedDate":"2018-08-06T13:08:45","indexId":"70178116","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Deposition, accumulation, and alteration of Cl−, NO3−, ClO4− and ClO3− salts in a hyper-arid polar environment: Mass balance and isotopic constraints","title":"Deposition, accumulation, and alteration of Cl−, NO3−, ClO4− and ClO3− salts in a hyper-arid polar environment: Mass balance and isotopic constraints","docAbstract":"The salt fraction in permafrost soils/sediments of the McMurdo Dry Valleys (MDV) of Antarctica can be used as a proxy for cold desert geochemical processes and paleoclimate reconstruction. Previous analyses of the salt fraction in MDV permafrost soils have largely been conducted in coastal regions where permafrost soils are variably affected by aqueous processes and mixed inputs from marine and stratospheric sources. We expand upon this work by evaluating permafrost soil/sediments in University Valley, located in the ultraxerous zone where both liquid water transport and marine influences are minimal. We determined the abundances of Cl−, NO3−, ClO4− and ClO3− in dry and ice-cemented soil/sediments, snow and glacier ice, and also characterized Cl− and NO3−isotopically. The data are not consistent with salt deposition in a sublimation till, nor with nuclear weapon testing fall-out, and instead point to a dominantly stratospheric source and to varying degrees of post depositional transformation depending on the substrate, from minimal alteration in bare soils to significant alteration (photodegradation and/or volatilization) in snow and glacier ice. Ionic abundances in the dry permafrost layer indicate limited vertical transport under the current climate conditions, likely due to percolation of snowmelt. Subtle changes in ClO4−/NO3− ratios and NO3− isotopic composition with depth and location may reflect both transport related fractionation and depositional history. Low molar ratios of ClO3−/ClO4− in surface soils compared to deposition and other arid systems suggest significant post depositional loss of ClO3−, possibly due to reduction by iron minerals, which may have important implications for oxy-chlorine species on Mars. Salt accumulation varies with distance along the valley and apparent accumulation times based on multiple methods range from ∼10 to 30 kyr near the glacier to 70–200 kyr near the valley mouth. The relatively young age of the salts and relatively low and homogeneous anion concentrations in the ice-cemented sediments point to either a mechanism of recent salt removal, or to relatively modern permafrost soils (<1 million years). Together, our results show that near surface salts in University Valley serve as an end-member of stratospheric sources not subject to biological processes or extensive remobilization.
","language":"English","publisher":"Geochemical Society","publisherLocation":"New York, NY","doi":"10.1016/j.gca.2016.03.012","usgsCitation":"Jackson, A., Davila, A.F., Böhlke, J., Sturchio, N.C., Sevanthi, R., Estrada, N., Brundrett, M., Lacelle, D., McKay, C.P., Poghosyan, A., Pollard, W., and Zacny, K., 2016, Deposition, accumulation, and alteration of Cl−, NO3−, ClO4− and ClO3− salts in a hyper-arid polar environment: Mass balance and isotopic constraints: Geochimica et Cosmochimica Acta, v. 182, p. 197-215, https://doi.org/10.1016/j.gca.2016.03.012.","productDescription":"18 p.","startPage":"197","endPage":"215","ipdsId":"IP-073229","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":470437,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.gca.2016.03.012","text":"Publisher Index Page"},{"id":330687,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Antarctica, University Valley","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 160.666667,\n -77.845833\n ],\n [\n 160.666667,\n -77.911111\n ],\n [\n 160.779167,\n -77.911111\n ],\n [\n 160.779167,\n -77.845833\n ],\n [\n 160.666667,\n -77.845833\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"182","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581c4cc1e4b09688d6e90fa7","contributors":{"authors":[{"text":"Jackson, Andrew","contributorId":176588,"corporation":false,"usgs":false,"family":"Jackson","given":"Andrew","email":"","affiliations":[],"preferred":false,"id":652873,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Davila, Alfonso F.","contributorId":16282,"corporation":false,"usgs":true,"family":"Davila","given":"Alfonso","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":652874,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Böhlke, John Karl 0000-0001-5693-6455 jkbohlke@usgs.gov","orcid":"https://orcid.org/0000-0001-5693-6455","contributorId":1285,"corporation":false,"usgs":true,"family":"Böhlke","given":"John Karl","email":"jkbohlke@usgs.gov","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":false,"id":652875,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sturchio, Neil C.","contributorId":149375,"corporation":false,"usgs":false,"family":"Sturchio","given":"Neil","email":"","middleInitial":"C.","affiliations":[{"id":15289,"text":"University of Illinois, Ven Te Chow Hydrosystems Laboratory","active":true,"usgs":false}],"preferred":false,"id":652876,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sevanthi, Ritesh","contributorId":14301,"corporation":false,"usgs":true,"family":"Sevanthi","given":"Ritesh","affiliations":[],"preferred":false,"id":652877,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Estrada, Nubia","contributorId":176622,"corporation":false,"usgs":false,"family":"Estrada","given":"Nubia","affiliations":[],"preferred":false,"id":652879,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Brundrett, Maeghan","contributorId":176623,"corporation":false,"usgs":false,"family":"Brundrett","given":"Maeghan","email":"","affiliations":[],"preferred":false,"id":652880,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Lacelle, Denis","contributorId":176624,"corporation":false,"usgs":false,"family":"Lacelle","given":"Denis","email":"","affiliations":[],"preferred":false,"id":652881,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"McKay, Christopher P.","contributorId":58156,"corporation":false,"usgs":true,"family":"McKay","given":"Christopher","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":652882,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Poghosyan, Armen","contributorId":176625,"corporation":false,"usgs":false,"family":"Poghosyan","given":"Armen","email":"","affiliations":[],"preferred":false,"id":652883,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Pollard, Wayne","contributorId":176626,"corporation":false,"usgs":false,"family":"Pollard","given":"Wayne","email":"","affiliations":[],"preferred":false,"id":652884,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Zacny, Kris","contributorId":176627,"corporation":false,"usgs":false,"family":"Zacny","given":"Kris","email":"","affiliations":[],"preferred":false,"id":652885,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}}
,{"id":70178119,"text":"70178119 - 2016 - Responses of two tall buildings in Tokyo, Japan, before, during, and after the M9.0 Tohoku earthquake of 11 March 2011","interactions":[],"lastModifiedDate":"2019-12-14T07:10:12","indexId":"70178119","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1436,"text":"Earthquake Spectra","active":true,"publicationSubtype":{"id":10}},"title":"Responses of two tall buildings in Tokyo, Japan, before, during, and after the M9.0 Tohoku earthquake of 11 March 2011","docAbstract":"The 11 March 2011 M 9.0 Tohoku earthquake generated significant long duration shaking that propagated hundreds of kilometers from the epicenter and affected urban areas throughout much of Honshu. Recorded responses of tall buildings at several hundred km from the epicenter of the main shock and other events show tall buildings were affected by long-period motions of events at distant sources. This study presents behavioral aspects of 29-story and 30-story neighboring buildings in the Shinjuku area of Tokyo, Japan, as inferred from records retrieved from a sparse array of accelerometers deployed in the superstructures, at ground and 100 m below the ground level over a time interval covering before, during, and after the main shock. Such long-period effects are common in several regions of Japan as well as in the United States and in other seismically active countries. Permanent shifts in fundamental frequencies are observed. Drift ratios indicate possible structural nonlinear behavior occurred during the main shock. The need to consider risks to built environments from distant sources, including those in neighboring countries, is emphasized.
","language":"English","publisher":"Earthquake Engineering Research Institute","doi":"10.1193/092713EQS260M","usgsCitation":"Çelebi, M., Hisada, Y., Omrani, R., Ghahari, S.F., and Taciroglu, E., 2016, Responses of two tall buildings in Tokyo, Japan, before, during, and after the M9.0 Tohoku earthquake of 11 March 2011: Earthquake Spectra, v. 32, no. 1, p. 463-495, https://doi.org/10.1193/092713EQS260M.","productDescription":"33 p.","startPage":"463","endPage":"495","ipdsId":"IP-050725","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":330711,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Japan","city":"Tokyo","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 139.0869140625,\n 34.92197103616377\n ],\n [\n 140.2734375,\n 34.92197103616377\n ],\n [\n 140.2734375,\n 36.049098959065645\n ],\n [\n 139.0869140625,\n 36.049098959065645\n ],\n [\n 139.0869140625,\n 34.92197103616377\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"32","issue":"1","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-02-01","publicationStatus":"PW","scienceBaseUri":"581c4cc1e4b09688d6e90fa5","contributors":{"authors":[{"text":"Çelebi, Mehmet","contributorId":27493,"corporation":false,"usgs":true,"family":"Çelebi","given":"Mehmet","affiliations":[],"preferred":false,"id":652855,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hisada, Yoshiuaki","contributorId":176611,"corporation":false,"usgs":false,"family":"Hisada","given":"Yoshiuaki","email":"","affiliations":[],"preferred":false,"id":652991,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Omrani, Roshanak","contributorId":176612,"corporation":false,"usgs":false,"family":"Omrani","given":"Roshanak","email":"","affiliations":[],"preferred":false,"id":652992,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ghahari, S. Farid","contributorId":168417,"corporation":false,"usgs":false,"family":"Ghahari","given":"S.","email":"","middleInitial":"Farid","affiliations":[{"id":13399,"text":"UCLA","active":true,"usgs":false}],"preferred":false,"id":652993,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Taciroglu, Ertugrul","contributorId":176616,"corporation":false,"usgs":false,"family":"Taciroglu","given":"Ertugrul","email":"","affiliations":[],"preferred":false,"id":652994,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70178114,"text":"70178114 - 2016 - A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO2: evidence from carbon isotope discrimination in paleo and CO2 enrichment studies","interactions":[],"lastModifiedDate":"2024-02-20T23:37:47.856882","indexId":"70178114","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1837,"text":"Global Change Biology","active":true,"publicationSubtype":{"id":10}},"title":"A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO2: evidence from carbon isotope discrimination in paleo and CO2 enrichment studies","docAbstract":"Rising atmospheric [CO2], ca, is expected to affect stomatal regulation of leaf gas-exchange of woody plants, thus influencing energy fluxes as well as carbon (C), water, and nutrient cycling of forests. Researchers have proposed various strategies for stomatal regulation of leaf gas-exchange that include maintaining a constant leaf internal [CO2], ci, a constant drawdown in CO2(ca − ci), and a constant ci/ca. These strategies can result in drastically different consequences for leaf gas-exchange. The accuracy of Earth systems models depends in part on assumptions about generalizable patterns in leaf gas-exchange responses to varying ca. The concept of optimal stomatal behavior, exemplified by woody plants shifting along a continuum of these strategies, provides a unifying framework for understanding leaf gas-exchange responses to ca. To assess leaf gas-exchange regulation strategies, we analyzed patterns in ci inferred from studies reporting C stable isotope ratios (δ13C) or photosynthetic discrimination (∆) in woody angiosperms and gymnosperms that grew across a range of ca spanning at least 100 ppm. Our results suggest that much of the ca-induced changes in ci/ca occurred across ca spanning 200 to 400 ppm. These patterns imply that ca − ci will eventually approach a constant level at high ca because assimilation rates will reach a maximum and stomatal conductance of each species should be constrained to some minimum level. These analyses are not consistent with canalization toward any single strategy, particularly maintaining a constant ci. Rather, the results are consistent with the existence of a broadly conserved pattern of stomatal optimization in woody angiosperms and gymnosperms. This results in trees being profligate water users at low ca, when additional water loss is small for each unit of C gain, and increasingly water-conservative at high ca, when photosystems are saturated and water loss is large for each unit C gain.
","language":"English","publisher":"Blackwell Science","publisherLocation":"Oxford, England","doi":"10.1111/gcb.13102","usgsCitation":"Voelker, S.L., Brooks, J.R., Meinzer, F.C., Anderson, R., Bader, M.K., Battipaglia, G., Becklin, K.M., Beerling, D., Bert, D., Betancourt, J.L., Dawson, T.E., Domec, J., Guyette, R.P., Korner, C., Leavitt, S.W., Linder, S., Marshall, J.D., Mildner, M., Ogee, J., Panyushkina, I.P., Plumpton, H.J., Pregitzer, K.S., Saurer, M., Smith, A.R., Siegwolf, R.T., Stambaugh, M., Talhelm, A.F., Tardif, J.C., Van De Water, P.K., Ward, J.K., and Wingate, L., 2016, A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO2: evidence from carbon isotope discrimination in paleo and CO2 enrichment studies: Global Change Biology, v. 22, no. 2, p. 889-902, https://doi.org/10.1111/gcb.13102.","productDescription":"14 p.","startPage":"889","endPage":"902","ipdsId":"IP-068407","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":330683,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"2","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2016-01-04","publicationStatus":"PW","scienceBaseUri":"581c4cc2e4b09688d6e90fa9","contributors":{"authors":[{"text":"Voelker, Steven L.","contributorId":176586,"corporation":false,"usgs":false,"family":"Voelker","given":"Steven","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":652818,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brooks, J. Renee","contributorId":176587,"corporation":false,"usgs":false,"family":"Brooks","given":"J.","email":"","middleInitial":"Renee","affiliations":[],"preferred":false,"id":652819,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Meinzer, Frederick C.","contributorId":168571,"corporation":false,"usgs":false,"family":"Meinzer","given":"Frederick","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":652820,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Anderson, Rebecca","contributorId":334251,"corporation":false,"usgs":false,"family":"Anderson","given":"Rebecca","affiliations":[{"id":6949,"text":"University of California, Santa Cruz","active":true,"usgs":false}],"preferred":false,"id":895087,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bader, Martin K.-F.","contributorId":176589,"corporation":false,"usgs":false,"family":"Bader","given":"Martin","email":"","middleInitial":"K.-F.","affiliations":[],"preferred":false,"id":652822,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Battipaglia, Giovanna 0000-0003-1741-3509","orcid":"https://orcid.org/0000-0003-1741-3509","contributorId":176590,"corporation":false,"usgs":false,"family":"Battipaglia","given":"Giovanna","email":"","affiliations":[],"preferred":false,"id":652823,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Becklin, Katie M.","contributorId":176591,"corporation":false,"usgs":false,"family":"Becklin","given":"Katie","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":652824,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Beerling, David","contributorId":176592,"corporation":false,"usgs":false,"family":"Beerling","given":"David","email":"","affiliations":[],"preferred":false,"id":652825,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Bert, Didier","contributorId":176593,"corporation":false,"usgs":false,"family":"Bert","given":"Didier","email":"","affiliations":[],"preferred":false,"id":652826,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Betancourt, Julio L. 0000-0002-7165-0743 jlbetanc@usgs.gov","orcid":"https://orcid.org/0000-0002-7165-0743","contributorId":3376,"corporation":false,"usgs":true,"family":"Betancourt","given":"Julio","email":"jlbetanc@usgs.gov","middleInitial":"L.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":554,"text":"Science and Decisions Center","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":652827,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Dawson, Todd E.","contributorId":176594,"corporation":false,"usgs":false,"family":"Dawson","given":"Todd","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":652828,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Domec, Jean-Christophe","contributorId":146460,"corporation":false,"usgs":false,"family":"Domec","given":"Jean-Christophe","email":"","affiliations":[],"preferred":false,"id":652829,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Guyette, Richard P.","contributorId":176595,"corporation":false,"usgs":false,"family":"Guyette","given":"Richard","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":652830,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Korner, Christian","contributorId":55348,"corporation":false,"usgs":true,"family":"Korner","given":"Christian","email":"","affiliations":[],"preferred":false,"id":652831,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Leavitt, Steven W.","contributorId":77312,"corporation":false,"usgs":true,"family":"Leavitt","given":"Steven","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":652832,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Linder, Sune","contributorId":176596,"corporation":false,"usgs":false,"family":"Linder","given":"Sune","email":"","affiliations":[],"preferred":false,"id":652833,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Marshall, John D.","contributorId":176597,"corporation":false,"usgs":false,"family":"Marshall","given":"John","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":652834,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Mildner, Manuel","contributorId":176598,"corporation":false,"usgs":false,"family":"Mildner","given":"Manuel","email":"","affiliations":[],"preferred":false,"id":652835,"contributorType":{"id":1,"text":"Authors"},"rank":18},{"text":"Ogee, Jerome","contributorId":176599,"corporation":false,"usgs":false,"family":"Ogee","given":"Jerome","email":"","affiliations":[],"preferred":false,"id":652836,"contributorType":{"id":1,"text":"Authors"},"rank":19},{"text":"Panyushkina, Irina P.","contributorId":61242,"corporation":false,"usgs":true,"family":"Panyushkina","given":"Irina","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":652837,"contributorType":{"id":1,"text":"Authors"},"rank":20},{"text":"Plumpton, Heather J.","contributorId":176600,"corporation":false,"usgs":false,"family":"Plumpton","given":"Heather","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":652838,"contributorType":{"id":1,"text":"Authors"},"rank":21},{"text":"Pregitzer, Kurt S.","contributorId":176601,"corporation":false,"usgs":false,"family":"Pregitzer","given":"Kurt","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":652839,"contributorType":{"id":1,"text":"Authors"},"rank":22},{"text":"Saurer, Matthias","contributorId":176602,"corporation":false,"usgs":false,"family":"Saurer","given":"Matthias","email":"","affiliations":[],"preferred":false,"id":652840,"contributorType":{"id":1,"text":"Authors"},"rank":23},{"text":"Smith, Andrew R.","contributorId":176603,"corporation":false,"usgs":false,"family":"Smith","given":"Andrew","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":652841,"contributorType":{"id":1,"text":"Authors"},"rank":24},{"text":"Siegwolf, Rolf T.W.","contributorId":176604,"corporation":false,"usgs":false,"family":"Siegwolf","given":"Rolf","email":"","middleInitial":"T.W.","affiliations":[],"preferred":false,"id":652842,"contributorType":{"id":1,"text":"Authors"},"rank":25},{"text":"Stambaugh, Michael C.","contributorId":51202,"corporation":false,"usgs":true,"family":"Stambaugh","given":"Michael C.","affiliations":[],"preferred":false,"id":652843,"contributorType":{"id":1,"text":"Authors"},"rank":26},{"text":"Talhelm, Alan F.","contributorId":176605,"corporation":false,"usgs":false,"family":"Talhelm","given":"Alan","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":652844,"contributorType":{"id":1,"text":"Authors"},"rank":27},{"text":"Tardif, Jacques C.","contributorId":176606,"corporation":false,"usgs":false,"family":"Tardif","given":"Jacques","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":652845,"contributorType":{"id":1,"text":"Authors"},"rank":28},{"text":"Van De Water, Peter K.","contributorId":51484,"corporation":false,"usgs":true,"family":"Van De Water","given":"Peter","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":652846,"contributorType":{"id":1,"text":"Authors"},"rank":29},{"text":"Ward, Joy K.","contributorId":176607,"corporation":false,"usgs":false,"family":"Ward","given":"Joy","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":652847,"contributorType":{"id":1,"text":"Authors"},"rank":30},{"text":"Wingate, Lisa","contributorId":176608,"corporation":false,"usgs":false,"family":"Wingate","given":"Lisa","email":"","affiliations":[],"preferred":false,"id":652848,"contributorType":{"id":1,"text":"Authors"},"rank":31}]}}
,{"id":70178120,"text":"70178120 - 2016 - Responses of a tall building with U.S. code-type instrumentation in Tokyo, Japan, to events before, during and after the Tohoku earthquake of 11 March 2011","interactions":[],"lastModifiedDate":"2016-11-03T11:46:50","indexId":"70178120","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1436,"text":"Earthquake Spectra","active":true,"publicationSubtype":{"id":10}},"title":"Responses of a tall building with U.S. code-type instrumentation in Tokyo, Japan, to events before, during and after the Tohoku earthquake of 11 March 2011","docAbstract":"The 11 March 2011 M 9.0 Tohoku earthquake generated long-duration shaking that propagated hundreds of kilometers from the epicenter and affected tall buildings in urban areas several hundred kilometers from the epicenter of the main shock. Recorded responses show that tall buildings were affected by long-period motions. This study presents the behavior and performance of a 37-story building in the Tsukuda area of Tokyo, Japan, as inferred from modal analyses of records retrieved for a time interval covering a few days before, during, and for several months after the main shock. The U.S. “code-type” array comprises three triaxial accelerometers deployed at three levels in the superstructure. Such a sparse array in a tall structure limits a reliable assessment, because its performance must be based on only the average drift ratios. Based on the inferred values of this parameter, the subject building was not structurally damaged.
","language":"English","publisher":"Earthquake Engineering Research Institute","publisherLocation":"Berkeley, CA","doi":"10.1193/052114EQS071M","usgsCitation":"Çelebi, M., Kashima, T., Ghahari, S.F., Abazarsa, F., and Taciroglu, E., 2016, Responses of a tall building with U.S. code-type instrumentation in Tokyo, Japan, to events before, during and after the Tohoku earthquake of 11 March 2011: Earthquake Spectra, v. 32, no. 1, p. 497-522, https://doi.org/10.1193/052114EQS071M.","productDescription":"26 p.","startPage":"497","endPage":"522","ipdsId":"IP-061667","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":330692,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Japan","city":"Toyko","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 139.0924072265625,\n 35.07946034047981\n ],\n [\n 139.0924072265625,\n 36.09571873655538\n ],\n [\n 140.67718505859375,\n 36.09571873655538\n ],\n [\n 140.67718505859375,\n 35.07946034047981\n ],\n [\n 139.0924072265625,\n 35.07946034047981\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"32","issue":"1","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-02-01","publicationStatus":"PW","scienceBaseUri":"581c4cc1e4b09688d6e90fa3","contributors":{"authors":[{"text":"Çelebi, Mehmet","contributorId":27493,"corporation":false,"usgs":true,"family":"Çelebi","given":"Mehmet","affiliations":[],"preferred":false,"id":652859,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kashima, Toshihide","contributorId":176614,"corporation":false,"usgs":false,"family":"Kashima","given":"Toshihide","email":"","affiliations":[],"preferred":false,"id":652899,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ghahari, S. Farid","contributorId":168417,"corporation":false,"usgs":false,"family":"Ghahari","given":"S.","email":"","middleInitial":"Farid","affiliations":[{"id":13399,"text":"UCLA","active":true,"usgs":false}],"preferred":false,"id":652861,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Abazarsa, Fariba","contributorId":176615,"corporation":false,"usgs":false,"family":"Abazarsa","given":"Fariba","email":"","affiliations":[],"preferred":false,"id":652862,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Taciroglu, Ertugrul","contributorId":176616,"corporation":false,"usgs":false,"family":"Taciroglu","given":"Ertugrul","email":"","affiliations":[],"preferred":false,"id":652863,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70178094,"text":"70178094 - 2016 - A-DROP: A predictive model for the formation of oil particle aggregates (OPAs)","interactions":[],"lastModifiedDate":"2019-05-14T08:51:12","indexId":"70178094","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2676,"text":"Marine Pollution Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"A-DROP: A predictive model for the formation of oil particle aggregates (OPAs)","docAbstract":"Oil–particle interactions play a major role in removal of free oil from the water column. We present a new conceptual–numerical model, A-DROP, to predict oil amount trapped in oil–particle aggregates. A new conceptual formulation of oil–particle coagulation efficiency is introduced to account for the effects of oil stabilization by particles, particle hydrophobicity, and oil–particle size ratio on OPA formation. A-DROP was able to closely reproduce the oil trapping efficiency reported in experimental studies. The model was then used to simulate the OPA formation in a typical nearshore environment. Modeling results indicate that the increase of particle concentration in the swash zone would speed up the oil–particle interaction process; but the oil amount trapped in OPAs did not correspond to the increase of particle concentration. The developed A-DROP model could become an important tool in understanding the natural removal of oil and developing oil spill countermeasures by means of oil–particle aggregation.
","language":"English","publisher":"Elsevier","publisherLocation":"Amsterdam","doi":"10.1016/j.marpolbul.2016.02.057","collaboration":"New Jersey Institute of Technology","usgsCitation":"Zhao, L., Boufadel, M., Geng, X., Lee, K., King, T., Robinson, B.H., and Fitzpatrick, F., 2016, A-DROP: A predictive model for the formation of oil particle aggregates (OPAs): Marine Pollution Bulletin, v. 106, no. 1-2, p. 245-259, https://doi.org/10.1016/j.marpolbul.2016.02.057.","productDescription":"15 p.","startPage":"245","endPage":"259","ipdsId":"IP-059435","costCenters":[{"id":677,"text":"Wisconsin Water Science Center","active":true,"usgs":true}],"links":[{"id":330675,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"106","issue":"1-2","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581c4cc2e4b09688d6e90fad","contributors":{"authors":[{"text":"Zhao, Lin","contributorId":176547,"corporation":false,"usgs":false,"family":"Zhao","given":"Lin","email":"","affiliations":[],"preferred":false,"id":652787,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boufadel, Michel C.","contributorId":176576,"corporation":false,"usgs":false,"family":"Boufadel","given":"Michel C.","affiliations":[],"preferred":false,"id":652788,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Geng, Xiaolong","contributorId":176549,"corporation":false,"usgs":false,"family":"Geng","given":"Xiaolong","email":"","affiliations":[],"preferred":false,"id":652789,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lee, Kenneth","contributorId":61064,"corporation":false,"usgs":true,"family":"Lee","given":"Kenneth","affiliations":[],"preferred":false,"id":652790,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"King, Thomas","contributorId":176577,"corporation":false,"usgs":false,"family":"King","given":"Thomas","email":"","affiliations":[],"preferred":false,"id":652791,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Robinson, Brian H.","contributorId":215576,"corporation":false,"usgs":false,"family":"Robinson","given":"Brian","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":762704,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Fitzpatrick, Faith A. 0000-0002-9748-7075 fafitzpa@usgs.gov","orcid":"https://orcid.org/0000-0002-9748-7075","contributorId":150164,"corporation":false,"usgs":true,"family":"Fitzpatrick","given":"Faith A.","email":"fafitzpa@usgs.gov","affiliations":[{"id":677,"text":"Wisconsin Water Science Center","active":true,"usgs":true}],"preferred":false,"id":652793,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70178109,"text":"70178109 - 2016 - Acid rain and its environmental effects: Recent scientific advances","interactions":[],"lastModifiedDate":"2016-11-03T09:51:06","indexId":"70178109","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":924,"text":"Atmospheric Environment","active":true,"publicationSubtype":{"id":10}},"title":"Acid rain and its environmental effects: Recent scientific advances","docAbstract":"The term ‘acid rain’ refers to atmospheric deposition of acidic constituents that impact the earth as rain, snow, particulates, gases, and vapor. Acid rain was first recognized by Ducros (1845) and subsequently described by the English chemist Robert Angus Smith (Smith, 1852) whose pioneering studies linked the sources to industrial emissions and included early observations of deleterious environmental effects (Smith, 1872). Smith's work was largely forgotten until the mid-20th century when observations began to link air pollution to the deposition of atmospheric sulfate (SO42−) and other chemical constituents, first near the metal smelter at Sudbury, Ontario, Canada, and later at locations in Europe, North America, and Australia (Gorham, 1961). Our modern understanding of acid rain as an environmental problem caused largely by regional emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) stems from observations in the 1960s and early 1970s in Sweden by Svante Odén (Odén, 1976), and in North America by Gene Likens and colleagues (Likens and Bormann, 1974). These scientists and many who followed showed the link to emissions from coal-fired power plants and other industrial sources, and documented the environmental effects of acid rain such as the acidification of surface waters and toxic effects on vegetation, fish, and other biota.
","language":"English","publisher":"Pergamon Press","publisherLocation":"Oxford","doi":"10.1016/j.atmosenv.2016.10.019","usgsCitation":"Burns, D.A., Aherne, J., Gay, D., and Lehmann, C.M., 2016, Acid rain and its environmental effects: Recent scientific advances: Atmospheric Environment, v. 146, p. 1-4, https://doi.org/10.1016/j.atmosenv.2016.10.019.","productDescription":"4 p.","startPage":"1","endPage":"4","ipdsId":"IP-079192","costCenters":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"links":[{"id":470443,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.atmosenv.2016.10.019","text":"Publisher Index Page"},{"id":330680,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"146","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581c4cc2e4b09688d6e90fab","contributors":{"authors":[{"text":"Burns, Douglas A. 0000-0001-6516-2869 daburns@usgs.gov","orcid":"https://orcid.org/0000-0001-6516-2869","contributorId":1237,"corporation":false,"usgs":true,"family":"Burns","given":"Douglas","email":"daburns@usgs.gov","middleInitial":"A.","affiliations":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":652808,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Aherne, Julian","contributorId":176583,"corporation":false,"usgs":false,"family":"Aherne","given":"Julian","email":"","affiliations":[],"preferred":false,"id":652809,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gay, David A.","contributorId":68022,"corporation":false,"usgs":true,"family":"Gay","given":"David A.","affiliations":[],"preferred":false,"id":652810,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lehmann, Christopher M.B.","contributorId":84859,"corporation":false,"usgs":true,"family":"Lehmann","given":"Christopher","email":"","middleInitial":"M.B.","affiliations":[],"preferred":false,"id":652811,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70178064,"text":"70178064 - 2016 - Nitrate removal from agricultural drainage ditch sediments with amendments of organic carbon: Potential for an innovative best management practice","interactions":[],"lastModifiedDate":"2018-02-13T10:25:23","indexId":"70178064","displayToPublicDate":"2016-11-03T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3728,"text":"Water, Air, & Soil Pollution","onlineIssn":"1573-2932","printIssn":"0049-6979","active":true,"publicationSubtype":{"id":10}},"title":"Nitrate removal from agricultural drainage ditch sediments with amendments of organic carbon: Potential for an innovative best management practice","docAbstract":"Agricultural fertilizer applications have resulted in loading of nutrients to agricultural drainage ditches in the Lower Mississippi Alluvial Valley. The purpose of this study was to determine effects of dissolved organic carbon (DOC) and particulate organic carbon (POC) amendments on nitrate-nitrogen (NO3−-N) removal from overlying water, pore water, and sediment of an agricultural drainage ditch. Two experiments were conducted. In experiment 1, control (i.e., no amendment), DOC, and POC treatments were applied in laboratory microcosms for time intervals of 3, 7, 14, and 28 days. In experiment 2, control, DOC, and POC treatments were applied in microcosms at C/N ratios of 5:1, 10:1, 15:1, and 20:1. There were statistically significant effects of organic carbon amendments in experiment 1 (F2,71 = 27.1, P < 0.001) and experiment 2 (F2,53 = 39.1, P < 0.001), time (F1,71 = 14.5, P < 0.001) in experiment 1, and C/N ratio (F1,53 = 36.5, P < 0.001) in experiment 2. NO3−-N removal varied from 60 to 100 % in overlying water among all treatments. The lowest NO3−-N removals in experiment 1 were observed in the control at 14 and 28 days, which were significantly less than in DOC and POC 14- and 28-day treatments. In experiment 2, significantly less NO3−-N was removed in overlying water of the control compared to DOC and POC treatments at all C/N ratios. Amendments of DOC and POC made to drainage ditch sediment: (1) increased NO3−-N removal, especially over longer time intervals (14 to 28 days); (2) increased NO3−-N removal, regardless of C/N ratio; and (3) NO3−-N removal was best at a 5:1 C/N ratio. This study provides support for continued investigation on the use of organic carbon amendments as a best management practice for NO3−-N removal in agricultural drainage ditches.
","language":"English","publisher":"Kluwer Academic Publishers","doi":"10.1007/s11270-016-3075-9","usgsCitation":"Faust, D.R., Kröger, R., Miranda, L.E., and Rush, S.A., 2016, Nitrate removal from agricultural drainage ditch sediments with amendments of organic carbon: Potential for an innovative best management practice: Water, Air, & Soil Pollution, v. 227, Article 378: 11 p., https://doi.org/10.1007/s11270-016-3075-9.","productDescription":"Article 378: 11 p.","ipdsId":"IP-063995","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":330676,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"227","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2016-09-21","publicationStatus":"PW","scienceBaseUri":"581c4cc2e4b09688d6e90faf","contributors":{"authors":[{"text":"Faust, Derek R.","contributorId":68232,"corporation":false,"usgs":true,"family":"Faust","given":"Derek","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":652701,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kröger, Robert","contributorId":146206,"corporation":false,"usgs":false,"family":"Kröger","given":"Robert","affiliations":[{"id":16626,"text":"Assistant Professor, Aquatic Sciences, College of Forest Resources, Mississippi State University","active":true,"usgs":false}],"preferred":false,"id":652702,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miranda, Leandro E. 0000-0002-2138-7924 smiranda@usgs.gov","orcid":"https://orcid.org/0000-0002-2138-7924","contributorId":531,"corporation":false,"usgs":true,"family":"Miranda","given":"Leandro","email":"smiranda@usgs.gov","middleInitial":"E.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":652690,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rush, Scott A.","contributorId":127332,"corporation":false,"usgs":false,"family":"Rush","given":"Scott","email":"","middleInitial":"A.","affiliations":[{"id":6778,"text":"University of Windsor, Windsor, Ontario, Canada","active":true,"usgs":false}],"preferred":false,"id":652703,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70178081,"text":"70178081 - 2016 - Exploiting differential vegetation phenology for satellite-based mapping of semiarid grass vegetation in the southwestern United States and northern Mexico","interactions":[],"lastModifiedDate":"2016-11-02T10:55:52","indexId":"70178081","displayToPublicDate":"2016-11-02T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3250,"text":"Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Exploiting differential vegetation phenology for satellite-based mapping of semiarid grass vegetation in the southwestern United States and northern Mexico","docAbstract":"We developed and evaluated a methodology for subpixel discrimination and large-area mapping of the perennial warm-season (C4) grass component of vegetation cover in mixed-composition landscapes of the southwestern United States and northern Mexico. We describe the methodology within a general, conceptual framework that we identify as the differential vegetation phenology (DVP) paradigm. We introduce a DVP index, the Normalized Difference Phenometric Index (NDPI) that provides vegetation type-specific information at the subpixel scale by exploiting differential patterns of vegetation phenology detectable in time-series spectral vegetation index (VI) data from multispectral land imagers. We used modified soil-adjusted vegetation index (MSAVI2) data from Landsat to develop the NDPI, and MSAVI2 data from MODIS to compare its performance relative to one alternate DVP metric (difference of spring average MSAVI2 and summer maximum MSAVI2), and two simple, conventional VI metrics (summer average MSAVI2, summer maximum MSAVI2). The NDPI in a scaled form (NDPIs) performed best in predicting variation in perennial C4 grass cover as estimated from landscape photographs at 92 sites (R2 = 0.76, p < 0.001), indicating improvement over the alternate DVP metric (R2 = 0.73, p < 0.001) and substantial improvement over the two conventional VI metrics (R2 = 0.62 and 0.56, p < 0.001). The results suggest DVP-based methods, and the NDPI in particular, can be effective for subpixel discrimination and mapping of exposed perennial C4 grass cover within mixed-composition landscapes of the Southwest, and potentially for monitoring of its response to drought, climate change, grazing and other factors, including land management. With appropriate adjustments, the method could potentially be used for subpixel discrimination and mapping of grass or other vegetation types in other regions where the vegetation components of the landscape exhibit contrasting seasonal patterns of phenology.
","language":"English","publisher":"MDPI","doi":"10.3390/rs8110889","usgsCitation":"Dye, D.G., Middleton, B.R., Vogel, J.M., Wu, Z., and Velasco, M.G., 2016, Exploiting differential vegetation phenology for satellite-based mapping of semiarid grass vegetation in the southwestern United States and northern Mexico: Remote Sensing, v. 8, no. 11, p. 1-33, https://doi.org/10.3390/rs8110889.","productDescription":"Article 889; 33 p.","startPage":"1","endPage":"33","ipdsId":"IP-069667","costCenters":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"links":[{"id":470445,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3390/rs8110889","text":"Publisher Index Page"},{"id":330648,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Mexico, United States","state":"Arizona","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -112,\n 31\n ],\n [\n -112,\n 33\n ],\n [\n -110,\n 33\n ],\n [\n -110,\n 31\n ],\n [\n -112,\n 31\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"8","issue":"11","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-10-28","publicationStatus":"PW","scienceBaseUri":"581afb64e4b0bb36a4ca664b","contributors":{"authors":[{"text":"Dye, Dennis G. 0000-0002-7100-272X ddye@usgs.gov","orcid":"https://orcid.org/0000-0002-7100-272X","contributorId":4233,"corporation":false,"usgs":true,"family":"Dye","given":"Dennis","email":"ddye@usgs.gov","middleInitial":"G.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":652712,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Middleton, Barry R. 0000-0001-8924-4121 bmiddleton@usgs.gov","orcid":"https://orcid.org/0000-0001-8924-4121","contributorId":3947,"corporation":false,"usgs":true,"family":"Middleton","given":"Barry","email":"bmiddleton@usgs.gov","middleInitial":"R.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":652713,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vogel, John M. 0000-0002-8226-1188 jvogel@usgs.gov","orcid":"https://orcid.org/0000-0002-8226-1188","contributorId":3167,"corporation":false,"usgs":true,"family":"Vogel","given":"John","email":"jvogel@usgs.gov","middleInitial":"M.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":652714,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wu, Zhuoting 0000-0001-7393-1832 zwu@usgs.gov","orcid":"https://orcid.org/0000-0001-7393-1832","contributorId":4953,"corporation":false,"usgs":true,"family":"Wu","given":"Zhuoting","email":"zwu@usgs.gov","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true},{"id":498,"text":"Office of Land Remote Sensing (Geography)","active":true,"usgs":true}],"preferred":true,"id":652715,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Velasco, Miguel G. 0000-0003-2559-7934 mvelasco@usgs.gov","orcid":"https://orcid.org/0000-0003-2559-7934","contributorId":2103,"corporation":false,"usgs":true,"family":"Velasco","given":"Miguel","email":"mvelasco@usgs.gov","middleInitial":"G.","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true},{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":652716,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70192498,"text":"70192498 - 2016 - Light Goose Conservation Order effects on nontarget waterfowl behavior and energy expenditure","interactions":[],"lastModifiedDate":"2017-10-30T11:13:13","indexId":"70192498","displayToPublicDate":"2016-11-02T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":" Light Goose Conservation Order effects on nontarget waterfowl behavior and energy expenditure","docAbstract":"When the Light Goose Conservation Order (LGCO) was established during 1999 in the Rainwater Basin of Nebraska, USA, LGCO activities were limited to 4 days/week and 16 public wetlands were closed to the LGCO to limit disturbance to nontarget waterfowl during this energetically important time period. However, the effects of LGCO activities on waterfowl behavior and energy expenditure are relatively unknown in this critical waterfowl staging area. To evaluate LGCO effects on target and nontarget species, we paired wetlands open and closed to LGCO and recorded waterfowl behavior and hunter encounters during springs 2011 and 2012. We constructed hourly energy expenditure models based on behavior data collected for mallards (Anas platyrhynchos) and northern pintails (A. acuta). In 2011, dabbling ducks (Anas spp.) spent more time feeding and less time resting in wetlands closed to hunting during early season when the majority of hunting encounters occurred; behaviors did not differ between hunt categories during late season when hunting activities subsided. However, in 2012, dabbling ducks spent more time feeding and less time resting in wetlands open to hunting during early and late seasons. We detected no differences in behaviors of lesser snow geese (Chen caerulescens) or greater white-fronted geese (Anser albifrons) between hunting categories in early season. Mallards had slightly greater energy expenditure on wetlands closed to hunting (![\"math](\"http://onlinelibrary.wiley.com/store/10.1002/wsb.704/asset/equation/wsb704-math-0004.png?v=1&s=7ad02ca916ca9968e7ede77f6a01513319795a9c\")
= 38.94 ± 0.31 kJ/bird/hr), compared with wetlands open to hunting ( = 37.87 ± 0.32 kJ/bird/hr); therefore, greater energy spent by mallards cannot be attributed to hunting disturbance. We also detected no differences in dabbling duck behavior or energy expenditure between days open or closed to hunting in the region. A refuge system of wetlands closed to LGCO activities in the Rainwater Basin may be an important management strategy in providing reduced disturbance for nontarget waterfowl species in some years. Published 2016. This article is a U.S. Government work and is in the public domain in the USA.
","language":"English","publisher":"Wiley","doi":"10.1002/wsb.704","usgsCitation":"Dinges, A.J., Webb, E.B., and Vrtiska, M.P., 2016, Light Goose Conservation Order effects on nontarget waterfowl behavior and energy expenditure: Wildlife Society Bulletin, v. 40, no. 4, p. 694-704, https://doi.org/10.1002/wsb.704.","productDescription":"11 p.","startPage":"694","endPage":"704","ipdsId":"IP-065245","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":499900,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doaj.org/article/b799acf54ffe4e03877db7aa149ef52f","text":"External Repository"},{"id":347505,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nebraska","otherGeospatial":"Rainwater Basin","volume":"40","issue":"4","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2016-11-02","publicationStatus":"PW","scienceBaseUri":"59f83a3ae4b063d5d30980f9","contributors":{"authors":[{"text":"Dinges, Andrew J.","contributorId":145935,"corporation":false,"usgs":false,"family":"Dinges","given":"Andrew","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":716467,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Webb, Elisabeth B. 0000-0003-3851-6056 ewebb@usgs.gov","orcid":"https://orcid.org/0000-0003-3851-6056","contributorId":3981,"corporation":false,"usgs":true,"family":"Webb","given":"Elisabeth","email":"ewebb@usgs.gov","middleInitial":"B.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":716079,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vrtiska, Mark P.","contributorId":54008,"corporation":false,"usgs":true,"family":"Vrtiska","given":"Mark","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":716468,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70177172,"text":"ds1024 - 2016 - Characterization of sediment and measurement of groundwater levels and temperatures, Camas National Wildlife Refuge, eastern Idaho","interactions":[],"lastModifiedDate":"2016-11-03T07:32:31","indexId":"ds1024","displayToPublicDate":"2016-11-02T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1024","title":"Characterization of sediment and measurement of groundwater levels and temperatures, Camas National Wildlife Refuge, eastern Idaho","docAbstract":"The Camas National Wildlife Refuge (Refuge) in eastern Idaho, established in 1937, contains wetlands, ponds, and wet meadows that are essential resting and feeding habitat for migratory birds and nesting habitat for waterfowl. Initially, natural sources of water supported these habitats. However, during the past few decades, climate change and changes in surrounding land use have altered and reduced natural groundwater and surface water inflows such that the wetlands, ponds, and wet meadows are now maintained through water management and groundwater pumping. These water management activities have proven to be inefficient and costly, prompting the Refuge to develop alternative water management options that are more efficient and less expensive. The U.S. Geological Survey, in cooperation with the U.S. Fish and Wildlife Service, is studying the hydrogeology at the Refuge to provide information for developing alternative water management options.
The hydrogeologic studies at the Refuge included characterizing the type, distribution, and hydraulic conductivity of surficial sediments and measuring water levels and temperatures in monitoring wells. Four monitoring wells and seven soil probe coreholes were drilled at the Refuge. Seven water level and temperature data loggers were installed in the wells and water levels and temperatures were continuously recorded from November 2014 to June 2016. Sediment cores were collected from the coreholes and sediment type and distribution were characterized from drillers’ notes, geophysical logs, corehole samples, and particle grain-size analysis. The hydraulic conductivities of sediments were estimated using the measured average grain size and the assumed textural maturity of the sediment, and ranged from about 20 to 290 feet per day.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds1024","collaboration":"Prepared in cooperation with the U.S. Fish and Wildlife Service","usgsCitation":"Twining, B.V., and Rattray, G.W., 2016, Characterization of sediment and measurement of groundwater levels and temperatures, Camas National Wildlife Refuge, eastern Idaho: U.S. Geological Survey Data Series 1024, 23 p.,\nhttps://dx.doi.org/10.3133/ds1024.","productDescription":"Report: v, 23 p.; Appendix","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-078192","costCenters":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":330654,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/ds/1024/ds1024.pdf","text":"Report","size":"1.7 MB","linkFileType":{"id":1,"text":"pdf"},"description":"DS 1024"},{"id":330653,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/ds/1024/coverthb.jpg"},{"id":330655,"rank":3,"type":{"id":3,"text":"Appendix"},"url":"https://pubs.usgs.gov/ds/1024/ds1024_appendixa.pdf","text":"Appendix A","size":"7.5 MB","linkFileType":{"id":1,"text":"pdf"},"description":"DS 1024 Appendix A"}],"country":"United States","state":"Idaho","otherGeospatial":"Camas National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -112.2480010986328,\n 43.99318499277654\n ],\n [\n -112.23066329956055,\n 43.99306149560464\n ],\n [\n -112.22946166992188,\n 43.98194569774652\n ],\n [\n -112.24285125732422,\n 43.98219273809204\n ],\n [\n -112.24250793457031,\n 43.97836349721919\n ],\n [\n -112.24748611450195,\n 43.97823996920823\n ],\n [\n -112.24817276000977,\n 43.9576071863508\n ],\n [\n -112.22328186035156,\n 43.95797789836312\n ],\n [\n -112.21710205078125,\n 43.939439464527474\n ],\n [\n -112.2169303894043,\n 43.92794273182484\n ],\n [\n -112.22705841064453,\n 43.92769546584876\n ],\n [\n -112.22688674926758,\n 43.921018895951235\n ],\n [\n -112.24164962768555,\n 43.92089524870123\n ],\n [\n -112.24164962768555,\n 43.917309366668476\n ],\n [\n -112.24714279174805,\n 43.917185711709344\n ],\n [\n -112.24714279174805,\n 43.899500406811846\n ],\n [\n -112.2776985168457,\n 43.8997477899657\n ],\n [\n -112.27787017822266,\n 43.902839992663196\n ],\n [\n -112.28233337402344,\n 43.90321104619439\n ],\n [\n -112.28250503540038,\n 43.90642674658866\n ],\n [\n -112.28748321533203,\n 43.90667410096243\n ],\n [\n -112.28765487670898,\n 43.91001328440555\n ],\n [\n -112.30258941650389,\n 43.910136954268836\n ],\n [\n -112.30224609374999,\n 43.906797777763856\n ],\n [\n -112.31306076049803,\n 43.90667410096243\n ],\n [\n -112.31271743774414,\n 43.92448091462121\n ],\n [\n -112.3077392578125,\n 43.924851833243785\n ],\n [\n -112.30791091918945,\n 43.92794273182484\n ],\n [\n -112.29246139526367,\n 43.92880815464654\n ],\n [\n -112.29314804077148,\n 43.942653207310386\n ],\n [\n -112.30241775512695,\n 43.942653207310386\n ],\n [\n -112.30224609374999,\n 43.957236472025635\n ],\n [\n -112.29280471801758,\n 43.9576071863508\n ],\n [\n -112.29297637939453,\n 43.96502098715404\n ],\n [\n -112.27924346923827,\n 43.96477387536573\n ],\n [\n -112.27684020996094,\n 43.96625653067646\n ],\n [\n -112.27237701416016,\n 43.96625653067646\n ],\n [\n -112.27117538452148,\n 43.965268097914425\n ],\n [\n -112.26688385009766,\n 43.965268097914425\n ],\n [\n -112.26671218872069,\n 43.96810979777519\n ],\n [\n -112.26448059082031,\n 43.970951361689934\n ],\n [\n -112.25761413574219,\n 43.97144553284128\n ],\n [\n -112.25812911987305,\n 43.97836349721919\n ],\n [\n -112.25263595581055,\n 43.979104659888236\n ],\n [\n -112.25366592407227,\n 43.98169865637306\n ],\n [\n -112.26327896118164,\n 43.98219273809204\n ],\n [\n -112.26327896118164,\n 43.98540416903878\n ],\n [\n -112.25263595581055,\n 43.98614524381678\n ],\n [\n -112.25332260131836,\n 43.98923295580709\n ],\n [\n -112.2480010986328,\n 43.98972697481996\n ],\n [\n -112.2480010986328,\n 43.99318499277654\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, Idaho Water Science Center
U.S. Geological Survey
230 Collins Road
Boise, Idaho 83702
http://id.water.usgs.gov
","tableOfContents":"- Abstract
- Introduction
- Methods
- Characterization of Sediment
- Groundwater Levels and Temperatures
- Summary
- Acknowledgments
- References Cited
- Appendix A. Results of Particle-Grain Size Analyses on 49 Sediment Samples That Were Separated from the Seven Soil Probe Sediment Cores
","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"publishedDate":"2016-11-02","noUsgsAuthors":false,"publicationDate":"2016-11-02","publicationStatus":"PW","scienceBaseUri":"581afb67e4b0bb36a4ca665b","contributors":{"authors":[{"text":"Twining, Brian V. 0000-0003-1321-4721 btwining@usgs.gov","orcid":"https://orcid.org/0000-0003-1321-4721","contributorId":2387,"corporation":false,"usgs":true,"family":"Twining","given":"Brian","email":"btwining@usgs.gov","middleInitial":"V.","affiliations":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"preferred":true,"id":651438,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rattray, Gordon W. 0000-0002-1690-3218 grattray@usgs.gov","orcid":"https://orcid.org/0000-0002-1690-3218","contributorId":2521,"corporation":false,"usgs":true,"family":"Rattray","given":"Gordon","email":"grattray@usgs.gov","middleInitial":"W.","affiliations":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"preferred":true,"id":651437,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70178097,"text":"70178097 - 2016 - The automated reference toolset: A soil-geomorphic ecological potential matching algorithm","interactions":[],"lastModifiedDate":"2016-11-02T15:03:07","indexId":"70178097","displayToPublicDate":"2016-11-02T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3420,"text":"Soil Science Society of America Journal","active":true,"publicationSubtype":{"id":10}},"title":"The automated reference toolset: A soil-geomorphic ecological potential matching algorithm","docAbstract":"Ecological inventory and monitoring data need referential context for interpretation. Identification of appropriate reference areas of similar ecological potential for site comparison is demonstrated using a newly developed automated reference toolset (ART). Foundational to identification of reference areas was a soil map of particle size in the control section (PSCS), a theme in US Soil Taxonomy. A 30-m resolution PSCS map of the Colorado Plateau (366,000 km2) was created by interpolating ∼5000 field soil observations using a random forest model and a suite of raster environmental spatial layers representing topography, climate, general ecological community, and satellite imagery ratios. The PSCS map had overall out of bag accuracy of 61.8% (Kappa of 0.54, p < 0.0001), and an independent validation accuracy of 93.2% at a set of 356 field plots along the southern edge of Canyonlands National Park, Utah. The ART process was also tested at these plots, and matched plots with the same ecological sites (ESs) 67% of the time where sites fell within 2-km buffers of each other. These results show that the PSCS and ART have strong application for ecological monitoring and sampling design, as well as assessing impacts of disturbance and land management action using an ecological potential framework. Results also demonstrate that PSCS could be a key mapping layer for the USDA-NRCS provisional ES development initiative.
","language":"English","publisher":"Soil Science Society of America","doi":"10.2136/sssaj2016.05.0151","usgsCitation":"Nauman, T.W., and Duniway, M.C., 2016, The automated reference toolset: A soil-geomorphic ecological potential matching algorithm: Soil Science Society of America Journal, v. 80, no. 5, p. 1317-1328, https://doi.org/10.2136/sssaj2016.05.0151.","productDescription":"12 p.","startPage":"1317","endPage":"1328","ipdsId":"IP-076162","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":438514,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/F7XS5SW0","text":"USGS data release","linkHelpText":"Automated Reference Toolset (ART)Data"},{"id":330664,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"80","issue":"5","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-10-13","publicationStatus":"PW","scienceBaseUri":"581afb63e4b0bb36a4ca6649","contributors":{"authors":[{"text":"Nauman, Travis W. 0000-0001-8004-0608 tnauman@usgs.gov","orcid":"https://orcid.org/0000-0001-8004-0608","contributorId":169241,"corporation":false,"usgs":true,"family":"Nauman","given":"Travis","email":"tnauman@usgs.gov","middleInitial":"W.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":652733,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Duniway, Michael C. 0000-0002-9643-2785 mduniway@usgs.gov","orcid":"https://orcid.org/0000-0002-9643-2785","contributorId":4212,"corporation":false,"usgs":true,"family":"Duniway","given":"Michael","email":"mduniway@usgs.gov","middleInitial":"C.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":652734,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70188599,"text":"70188599 - 2016 - Introduction to the special issue on the 25 April 2015 Mw 7.8 Gorkha(Nepal) earthquake","interactions":[],"lastModifiedDate":"2017-10-08T11:46:57","indexId":"70188599","displayToPublicDate":"2016-11-02T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Introduction to the special issue on the 25 April 2015 Mw 7.8 Gorkha(Nepal) earthquake","docAbstract":"On April 25, 2015, a moment magnitude (Mw) 7.8 earthquake struck central Nepal, breaking a section of the broader Himalayan Front that had been largely quiescent in moderate-to-large earthquakes for much of the modern seismological era. Ground shaking associated with the event resulted in a broad distribution of triggered avalanches and landslides. The ensuing aftershock sequence was punctuated by a Mw 7.3 event 17 days after the mainshock. The combined effects of these earthquakes and secondary hazards have led to the Gorkha earthquake becoming the worst natural disaster in Nepal since the 1934 Nepal-Bihar earthquake, causing close to 9000 deaths and severely injuring over 21,000 people (OCHA, 2015).
Despite the devastating effects of this earthquake, the convergent margin that hosted it is thought to be capable of much larger ruptures—perhaps as large as Mw 9 (Feldl and Bilham, 2006). The 2015 Gorkha rupture lies just to the west of the 1934 M 8.0–8.4 event (Sapkota et al., 2013; Bollinger et al., 2014). Unlike the 1934 event, which has been documented in paleoseismic trenches along the Himalayan Front (e.g., Sapkota et al., 2013), and other large ruptures along the arc (e.g., Lavé et al., 2005; Kumar et al., 2006), the 2015 event did not rupture to the surface (e.g., Galetzka et al., 2015). As a result, some researchers have suggested that the Gorkha earthquake was not as large, or as damaging, as might have been expected based on our (albeit limited) understanding of historic earthquakes, seismic hazard and risk (e.g., Bilham, 2015; Hough, 2015).
Important questions surrounding the earthquake and its regional setting thus arise. What were the detailed characteristics of the rupture and the aftershock sequence, and what is the relationship between mainshock slip and subsequent seismicity? Why did this event not rupture to the surface? Was damage less than should have been expected; and if so, why? What role did path effects, such as basin amplification, play? Do details of the earthquake sequence allow us to better understand regional seismotectonics, and in turn, future risk? Discussion of these and other issues has been ongoing since the earthquake; a large body of literature already exists that characterizes details of the earthquake sequence and its effects. This special issue attempts to gather a wide variety of detailed studies that wholly characterize this event to a degree that has not yet been possible. The studies herein provide an improved understanding of the Gorkha earthquake, its impact on the region, and its place in the broader seismotectonic history of the Himalayan Front.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.tecto.2016.10.033","usgsCitation":"Hayes, G.P., and Briggs, R.W., 2016, Introduction to the special issue on the 25 April 2015 Mw 7.8 Gorkha(Nepal) earthquake: Tectonophysics, v. 714-715, p. 1-3, https://doi.org/10.1016/j.tecto.2016.10.033.","productDescription":"3 p. ","startPage":"1","endPage":"3","ipdsId":"IP-080779","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":342607,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Nepal","city":"Gorkha","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[88.12044,27.87654],[88.04313,27.44582],[88.1748,26.81041],[88.06024,26.41462],[87.22747,26.3979],[86.02439,26.63098],[85.25178,26.7262],[84.67502,27.2349],[83.30425,27.36451],[81.99999,27.92548],[81.0572,28.4161],[80.08842,28.79447],[80.47672,29.72987],[81.11126,30.18348],[81.5258,30.42272],[82.32751,30.11527],[83.33712,29.46373],[83.89899,29.32023],[84.23458,28.83989],[85.01164,28.64277],[85.82332,28.20358],[86.95452,27.97426],[88.12044,27.87654]]]},\"properties\":{\"name\":\"Nepal\"}}]}","volume":"714-715","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5944ee17e4b062508e33360b","contributors":{"authors":[{"text":"Hayes, Gavin P. 0000-0003-3323-0112 ghayes@usgs.gov","orcid":"https://orcid.org/0000-0003-3323-0112","contributorId":147556,"corporation":false,"usgs":true,"family":"Hayes","given":"Gavin","email":"ghayes@usgs.gov","middleInitial":"P.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":698512,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Briggs, Richard W. 0000-0001-8108-0046 rbriggs@usgs.gov","orcid":"https://orcid.org/0000-0001-8108-0046","contributorId":139002,"corporation":false,"usgs":true,"family":"Briggs","given":"Richard","email":"rbriggs@usgs.gov","middleInitial":"W.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":698513,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70201618,"text":"70201618 - 2016 - Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh","interactions":[],"lastModifiedDate":"2018-12-18T16:03:17","indexId":"70201618","displayToPublicDate":"2016-11-01T16:03:07","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh","docAbstract":"Coastal wetlands are major global carbon sinks; however, they are heterogeneous and dynamic ecosystems. To characterize spatial and temporal variability in a New England salt marsh, greenhouse gas (GHG) fluxes were compared among major plant‐defined zones during growing seasons. Carbon dioxide (CO2) and methane (CH4) fluxes were compared in two mensurative experiments during summer months (2012–2014) that included low marsh (Spartina alterniflora), high marsh (Distichlis spicata and Juncus gerardii‐dominated), invasive Phragmites australis zones, and unvegetated ponds. Day‐ and nighttime fluxes were also contrasted in the native marsh zones. N2O fluxes were measured in parallel with CO2 and CH4 fluxes, but were not found to be significant. To test the relationships of CO2 and CH4 fluxes with several native plant metrics, a multivariate nonlinear model was used. Invasive P. australis zones (−7 to −15 μmol CO2·m−2·s−1) and S. alterniflora low marsh zones (up to −14 μmol CO2·m−2·s−1) displayed highest average CO2 uptake rates, while those in the native high marsh zone (less than −2 μmol CO2·m−2·s−1) were much lower. Unvegetated ponds were typically small sources of CO2 to the atmosphere (<0.5 μmol CO2·m−2·s−1). Nighttime emissions of CO2 averaged only 35% of daytime uptake in the low marsh zone, but they exceeded daytime CO2 uptake by up to threefold in the native high marsh zone. Based on modeling, belowground biomass was the plant metric most strongly correlated with CO2fluxes in native marsh zones, while none of the plant variables correlated significantly with CH4 fluxes. Methane fluxes did not vary between day and night and did not significantly offset CO2 uptake in any vegetated marsh zones based on sustained global warming potential calculations. These findings suggest that attention to spatial zonation as well as expanded measurements and modeling of GHG emissions across greater temporal scales will help to improve accuracy of carbon accounting in coastal marshes.
","language":"English","publisher":"Ecological Society of America","doi":"10.1002/ecs2.1560","usgsCitation":"Moseman-Valtierra, S., Abdul-Aziz, O.I., Tang, J., Ishtiaq, K.S., Morkeski, K., Mora, J., Quinn, R.K., Martin, R.M., Egan, K., Brannon, E.Q., Carey, J.C., and Kroeger, K.D., 2016, Carbon dioxide fluxes reflect plant zonation and belowground biomass in a coastal marsh: Ecosphere, v. 7, no. 11, p. 1-21, https://doi.org/10.1002/ecs2.1560.","productDescription":"e01560; 21 p.","startPage":"1","endPage":"21","ipdsId":"IP-079205","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":470446,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.1560","text":"Publisher Index Page"},{"id":360522,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachusetts","city":"Falmouth","otherGeospatial":"Waquoit Bay National Estuarine Research Reserve","volume":"7","issue":"11","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2016-11-15","publicationStatus":"PW","scienceBaseUri":"5c1a1535e4b0708288c23546","contributors":{"authors":[{"text":"Moseman-Valtierra, Serena","contributorId":140087,"corporation":false,"usgs":false,"family":"Moseman-Valtierra","given":"Serena","email":"","affiliations":[{"id":6923,"text":"University of Rhode Island, Kingston, RI","active":true,"usgs":false}],"preferred":false,"id":754615,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Abdul-Aziz, Omar I.","contributorId":192386,"corporation":false,"usgs":false,"family":"Abdul-Aziz","given":"Omar","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":754616,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tang, Jianwu","contributorId":174890,"corporation":false,"usgs":false,"family":"Tang","given":"Jianwu","email":"","affiliations":[{"id":27818,"text":"The Ecosystems Center, Marine Biological Laboratory. Woods Hole, MA 02543.","active":true,"usgs":false}],"preferred":false,"id":754617,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ishtiaq, Khandker S.","contributorId":211669,"corporation":false,"usgs":false,"family":"Ishtiaq","given":"Khandker","email":"","middleInitial":"S.","affiliations":[{"id":38311,"text":"Department of Civil and Environmental Engineering, West Virginia University, PO Box 6103, Morgantown, WV 26506","active":true,"usgs":false}],"preferred":false,"id":754618,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Morkeski, Kate","contributorId":210613,"corporation":false,"usgs":false,"family":"Morkeski","given":"Kate","email":"","affiliations":[{"id":38120,"text":"Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543, USA","active":true,"usgs":false}],"preferred":false,"id":754619,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mora, Jordan","contributorId":208060,"corporation":false,"usgs":false,"family":"Mora","given":"Jordan","email":"","affiliations":[{"id":37699,"text":"Waquoit Bay National Estuarine Research Reserve, Waquoit, Mass","active":true,"usgs":false}],"preferred":false,"id":754620,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Quinn, Ryan K.","contributorId":211670,"corporation":false,"usgs":false,"family":"Quinn","given":"Ryan","email":"","middleInitial":"K.","affiliations":[{"id":38312,"text":"Department of Biological Sciences, University of Rhode Island, 120 Flagg Road, Kingston, RI 02881","active":true,"usgs":false}],"preferred":false,"id":754621,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Martin, Rose M.","contributorId":211671,"corporation":false,"usgs":false,"family":"Martin","given":"Rose","email":"","middleInitial":"M.","affiliations":[{"id":38313,"text":"Atlantic Ecology Division, Environmental Protection Agency, 27 Tarzwell Dr. Narragansett, RI","active":true,"usgs":false}],"preferred":false,"id":754622,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Egan, Katharine","contributorId":211672,"corporation":false,"usgs":false,"family":"Egan","given":"Katharine","email":"","affiliations":[{"id":38312,"text":"Department of Biological Sciences, University of Rhode Island, 120 Flagg Road, Kingston, RI 02881","active":true,"usgs":false}],"preferred":false,"id":754623,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Brannon, Elizabeth Q.","contributorId":211673,"corporation":false,"usgs":false,"family":"Brannon","given":"Elizabeth","email":"","middleInitial":"Q.","affiliations":[{"id":38312,"text":"Department of Biological Sciences, University of Rhode Island, 120 Flagg Road, Kingston, RI 02881","active":true,"usgs":false}],"preferred":false,"id":754624,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Carey, Joanna C.","contributorId":177397,"corporation":false,"usgs":false,"family":"Carey","given":"Joanna","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":754625,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Kroeger, Kevin D. 0000-0002-4272-2349 kkroeger@usgs.gov","orcid":"https://orcid.org/0000-0002-4272-2349","contributorId":1603,"corporation":false,"usgs":true,"family":"Kroeger","given":"Kevin","email":"kkroeger@usgs.gov","middleInitial":"D.","affiliations":[{"id":41100,"text":"Coastal and Marine Hazards and Resources Program","active":true,"usgs":true}],"preferred":true,"id":754614,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}}
,{"id":70175168,"text":"70175168 - 2016 - Determination of eruption temperature of Io's lavas using lava tube skylights","interactions":[],"lastModifiedDate":"2018-11-08T16:27:43","indexId":"70175168","displayToPublicDate":"2016-11-01T13:56:34","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1963,"text":"Icarus","active":true,"publicationSubtype":{"id":10}},"title":"Determination of eruption temperature of Io's lavas using lava tube skylights","docAbstract":"Determining the eruption temperature of Io's dominant silicate lavas would constrain Io's present interior state and composition. We have examined how eruption temperature can be estimated at lava tube skylights through synthesis of thermal emission from the incandescent lava flowing within the lava tube. Lava tube skylights should be present along Io's long-lived lava flow fields, and are attractive targets because of their temporal stability and the narrow range of near-eruption temperatures revealed through them. We conclude that these skylights are suitable and desirable targets (perhaps the very best targets) for the purposes of constraining eruption temperature, with a 0.9:0.7-µm radiant flux ratio ≤6.3 being diagnostic of ultramafic lava temperatures. Because the target skylights may be small – perhaps only a few m or 10 s of m across – such observations will require a future Io-dedicated mission that will obtain high spatial resolution ( < 100 m/pixel), unsaturated observations of Io's surface at multiple wavelengths in the visible and near-infrared, ideally at night. In contrast to observations of lava fountains or roiling lava lakes, where accurate determination of surface temperature distribution requires simultaneous or near-simultaneous ( < 0.1 s) observations at different wavelengths, skylight thermal emission data are superior for the purposes of temperature derivation, as emission is stable on much longer time scales (minutes, or longer), so long as viewing geometry does not greatly change during that time.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.icarus.2016.06.003","usgsCitation":"Davies, A., Keszthelyi, L.P., and McEwen, A.S., 2016, Determination of eruption temperature of Io's lavas using lava tube skylights: Icarus, v. 278, p. 266-278, https://doi.org/10.1016/j.icarus.2016.06.003.","productDescription":"13 p.","startPage":"266","endPage":"278","ipdsId":"IP-070452","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":470447,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/10150/621256","text":"External Repository"},{"id":356290,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"278","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b6fc83be4b0f5d57878ec18","contributors":{"authors":[{"text":"Davies, Ashley G.","contributorId":36827,"corporation":false,"usgs":true,"family":"Davies","given":"Ashley G.","affiliations":[],"preferred":false,"id":644191,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keszthelyi, Laszlo P. 0000-0003-1879-4331 laz@usgs.gov","orcid":"https://orcid.org/0000-0003-1879-4331","contributorId":227,"corporation":false,"usgs":true,"family":"Keszthelyi","given":"Laszlo","email":"laz@usgs.gov","middleInitial":"P.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":644190,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McEwen, Alfred S.","contributorId":61657,"corporation":false,"usgs":false,"family":"McEwen","given":"Alfred","email":"","middleInitial":"S.","affiliations":[{"id":7042,"text":"University of Arizona","active":true,"usgs":false}],"preferred":false,"id":644192,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
]}