{"pageNumber":"173","pageRowStart":"4300","pageSize":"25","recordCount":11004,"records":[{"id":70048760,"text":"70048760 - 2012 - The spatial scale for cisco recruitment dynamics in Lake Superior during 1978-2007","interactions":[],"lastModifiedDate":"2018-03-27T14:11:55","indexId":"70048760","displayToPublicDate":"2012-01-01T15:03:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"The spatial scale for cisco recruitment dynamics in Lake Superior during 1978-2007","docAbstract":"<p><span>The cisco&nbsp;</span><i>Coregonus artedi</i><span><span>&nbsp;</span>was once the most abundant fish species in the Great Lakes, but currently cisco populations are greatly reduced and management agencies are attempting to restore the species throughout the basin. To increase understanding of the spatial scale at which density‐independent and density‐dependent factors influence cisco recruitment dynamics in the Great Lakes, we used a Ricker stock–recruitment model to identify and quantify the appropriate spatial scale for modeling age‐1 cisco recruitment dynamics in Lake Superior. We found that the recruitment variation of ciscoes in Lake Superior was best described by a five‐parameter regional model with separate stock–recruitment relationships for the western, southern, eastern, and northern regions. The spatial scale for modeling was about 260 km (range = 230–290 km). We also found that the density‐independent recruitment rate and the rate of compensatory density dependence varied among regions at different rates. The density‐independent recruitment rate was constant among regions (3.6 age‐1 recruits/spawner), whereas the rate of compensatory density dependence varied 16‐fold among regions (range = −0.2 to −2.9/spawner). Finally, we found that peak recruitment and the spawning stock size that produced peak recruitment varied among regions. Both peak recruitment (0.5–7.1 age‐1 recruits/ha) and the spawning stock size that produced peak recruitment (0.3–5.3 spawners/ha) varied 16‐fold among regions. Our findings support the hypothesis that the factors driving cisco recruitment operate within four different regions of Lake Superior, suggest that large‐scale abiotic factors are more important than small‐scale biotic factors in influencing cisco recruitment, and suggest that fishery managers throughout Lake Superior and the entire Great Lakes basin should address cisco restoration and management efforts on a regional scale in each lake.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/02755947.2012.680005","usgsCitation":"Rook, B., Hansen, M.J., and Gorman, O.T., 2012, The spatial scale for cisco recruitment dynamics in Lake Superior during 1978-2007: North American Journal of Fisheries Management, v. 32, no. 3, p. 499-514, https://doi.org/10.1080/02755947.2012.680005.","productDescription":"16 p.","startPage":"499","endPage":"514","temporalStart":"1978-01-01","temporalEnd":"2007-12-01","ipdsId":"IP-050710","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":278657,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Lake Superior","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -92.1122,46.41 ], [ -92.1122,49.0195 ], [ -84.3544,49.0195 ], [ -84.3544,46.41 ], [ -92.1122,46.41 ] ] ] } } ] }","volume":"32","issue":"3","noUsgsAuthors":false,"publicationDate":"2012-05-25","publicationStatus":"PW","scienceBaseUri":"5274cd82e4b089748f072459","contributors":{"authors":[{"text":"Rook, Benjamin J.","contributorId":34816,"corporation":false,"usgs":true,"family":"Rook","given":"Benjamin J.","affiliations":[],"preferred":false,"id":485582,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hansen, Michael J. 0000-0001-8522-3876 michaelhansen@usgs.gov","orcid":"https://orcid.org/0000-0001-8522-3876","contributorId":5006,"corporation":false,"usgs":true,"family":"Hansen","given":"Michael","email":"michaelhansen@usgs.gov","middleInitial":"J.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":485581,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gorman, Owen T. 0000-0003-0451-110X otgorman@usgs.gov","orcid":"https://orcid.org/0000-0003-0451-110X","contributorId":2888,"corporation":false,"usgs":true,"family":"Gorman","given":"Owen","email":"otgorman@usgs.gov","middleInitial":"T.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":485580,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70048044,"text":"70048044 - 2012 - Response of the North American monsoon to regional changes in ocean surface temperature","interactions":[],"lastModifiedDate":"2013-09-06T14:20:57","indexId":"70048044","displayToPublicDate":"2012-01-01T14:07:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3002,"text":"Paleoceanography","active":true,"publicationSubtype":{"id":10}},"title":"Response of the North American monsoon to regional changes in ocean surface temperature","docAbstract":"The North American monsoon (NAM), an onshore wind shift occurring between July and September, has evolved in character during the Holocene largely due to changes in Northern Hemisphere insolation. Published paleoproxy and modeling studies suggest that prior to ∼8000 cal years BP, the NAM affected a broader region than today, extending westward into the Mojave Desert of California. Holocene proxy SST records from the Gulf of California (GoC) and the adjacent Pacific provide constraints for this changing NAM climatology. Prior to ∼8000 cal years BP, lower GoC SSTs would not have fueled northward surges of tropical moisture up the GoC, which presently contribute most of the monsoon precipitation to the western NAM region. During the early Holocene, the North Pacific High was further north and SSTs in the California Current off Baja California were warmer, allowing monsoonal moisture flow from the subtropical Pacific to take a more direct, northwesterly trajectory into an expanded area of the southwestern U.S. west of 114°W. A new upwelling record off southwest Baja California reveals that enhanced upwelling in the California Current beginning at ∼7500 cal year BP may have triggered a change in NAM climatology, focusing the geographic expression of NAM in the southwest USA into its modern core region east of ∼114°W, in Arizona and New Mexico. Holocene proxy precipitation records from the southwestern U.S. and northwestern Mexico, including lakes, vegetation/pollen, and caves are reviewed and found to be largely supportive of this hypothesis of changing Holocene NAM climatology.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Paleoceanography","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geophysical Union","doi":"10.1029/2011PA002235","usgsCitation":"Barron, J.A., Metcalfe, S.E., and Addison, J.A., 2012, Response of the North American monsoon to regional changes in ocean surface temperature: Paleoceanography, v. 27, no. 3, 17 p., https://doi.org/10.1029/2011PA002235.","productDescription":"17 p.","numberOfPages":"17","ipdsId":"IP-020653","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":474599,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011pa002235","text":"Publisher Index Page"},{"id":277405,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":277388,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011PA002235"}],"country":"Mexico;United States","state":"Arizona;Colorado;New Mexico;Texas;Utah","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -120.0,20.0 ], [ -120.0,40.0 ], [ -100.0,40.0 ], [ -100.0,20.0 ], [ -120.0,20.0 ] ] ] } } ] }","volume":"27","issue":"3","noUsgsAuthors":false,"publicationDate":"2012-07-25","publicationStatus":"PW","scienceBaseUri":"522af96de4b08fd0132e7a09","contributors":{"authors":[{"text":"Barron, John A. 0000-0002-9309-1145 jbarron@usgs.gov","orcid":"https://orcid.org/0000-0002-9309-1145","contributorId":2222,"corporation":false,"usgs":true,"family":"Barron","given":"John","email":"jbarron@usgs.gov","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":483657,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Metcalfe, Sarah E.","contributorId":103555,"corporation":false,"usgs":true,"family":"Metcalfe","given":"Sarah","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":483659,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Addison, Jason A. 0000-0003-2416-9743 jaddison@usgs.gov","orcid":"https://orcid.org/0000-0003-2416-9743","contributorId":4192,"corporation":false,"usgs":true,"family":"Addison","given":"Jason","email":"jaddison@usgs.gov","middleInitial":"A.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":483658,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70046826,"text":"70046826 - 2012 - Tracking lava flow emplacement on the east rift zone of Kilauea, Hawai’i with synthetic aperture radar (SAR) coherence","interactions":[],"lastModifiedDate":"2019-05-30T12:03:27","indexId":"70046826","displayToPublicDate":"2012-01-01T13:57:00","publicationYear":"2012","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":"Tracking lava flow emplacement on the east rift zone of Kilauea, Hawai’i with synthetic aperture radar (SAR) coherence","docAbstract":"Lava flow mapping is both an essential component of volcano monitoring and a valuable tool for investigating lava flow behavior. Although maps are traditionally created through field surveys, remote sensing allows an extraordinary view of active lava flows while avoiding the difficulties of mapping on location. Synthetic aperture radar (SAR) imagery, in particular, can detect changes in a flow field by comparing two images collected at different times with SAR coherence. New lava flows radically alter the scattering properties of the surface, making the radar signal decorrelated in SAR coherence images. We describe a new technique, SAR Coherence Mapping (SCM), to map lava flows automatically from coherence images independent of look angle or satellite path. We use this approach to map lava flow emplacement during the Pu‘u ‘Ō‘ō-Kupaianaha eruption at Kīlauea, Hawai‘i. The resulting flow maps correspond well with field mapping and better resolve the internal structure of surface flows, as well as the locations of active flow paths. However, the SCM technique is only moderately successful at mapping flows that enter vegetation, which is also often decorrelated between successive SAR images. Along with measurements of planform morphology, we are able to show that the length of time a flow stays decorrelated after initial emplacement is linearly related to the flow thickness. Finally, we use interferograms obtained after flow surfaces become correlated to show that persistent decorrelation is caused by post-emplacement flow subsidence.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geochemistry, Geophysics, Geosystems","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"AGU and the Geochemical Society","doi":"10.1029/2011GC004016","usgsCitation":"Dietterich, H.R., Poland, M., Schmidt, D., Cashman, K., Sherrod, D.R., and Espinosa, A., 2012, Tracking lava flow emplacement on the east rift zone of Kilauea, Hawai’i with synthetic aperture radar (SAR) coherence: Geochemistry, Geophysics, Geosystems, v. 13, no. 5, 17 p., https://doi.org/10.1029/2011GC004016.","productDescription":"17 p.","ipdsId":"IP-035895","costCenters":[{"id":157,"text":"Cascades Volcano Observatory","active":false,"usgs":true},{"id":336,"text":"Hawaiian Volcano Observatory","active":false,"usgs":true},{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":474600,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011gc004016","text":"Publisher Index Page"},{"id":274781,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":274780,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011GC004016"}],"country":"United States","state":"Hawai'i","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -156.062,18.9108 ], [ -156.062,20.2686 ], [ -154.8065,20.2686 ], [ -154.8065,18.9108 ], [ -156.062,18.9108 ] ] ] } } ] }","volume":"13","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51dd30efe4b0f72b44719ccc","contributors":{"authors":[{"text":"Dietterich, Hannah R.","contributorId":11920,"corporation":false,"usgs":true,"family":"Dietterich","given":"Hannah","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":480385,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Poland, Michael P. 0000-0001-5240-6123 mpoland@usgs.gov","orcid":"https://orcid.org/0000-0001-5240-6123","contributorId":635,"corporation":false,"usgs":true,"family":"Poland","given":"Michael P.","email":"mpoland@usgs.gov","affiliations":[{"id":336,"text":"Hawaiian Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":480388,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schmidt, David","contributorId":7596,"corporation":false,"usgs":true,"family":"Schmidt","given":"David","affiliations":[],"preferred":false,"id":480384,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cashman, Katharine V.","contributorId":40097,"corporation":false,"usgs":false,"family":"Cashman","given":"Katharine V.","affiliations":[],"preferred":false,"id":480386,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sherrod, David R. 0000-0001-9460-0434 dsherrod@usgs.gov","orcid":"https://orcid.org/0000-0001-9460-0434","contributorId":527,"corporation":false,"usgs":true,"family":"Sherrod","given":"David","email":"dsherrod@usgs.gov","middleInitial":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":480383,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Espinosa, Arkin Tapia","contributorId":64977,"corporation":false,"usgs":true,"family":"Espinosa","given":"Arkin Tapia","affiliations":[],"preferred":false,"id":480387,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70199752,"text":"70199752 - 2012 - USGS workshop on CO2 sequestration in unconventional reservoirs","interactions":[],"lastModifiedDate":"2018-09-28T13:09:19","indexId":"70199752","displayToPublicDate":"2012-01-01T13:09:12","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5757,"text":"Greenhouse News","active":true,"publicationSubtype":{"id":10}},"displayTitle":"USGS workshop on CO<sub>2</sub> sequestration in unconventional reservoirs","title":"USGS workshop on CO2 sequestration in unconventional reservoirs","docAbstract":"<p>The U.S. Geological Survey (USGS) held a workshop titled “CO2 Sequestration in Unconventional Reservoirs” at the National Conservation Training Center, Shepherdstown, West Virginia, USA, on March 28th – 29th, 2012. Currently the USGS National Geologic Carbon Sequestration Assessment estimates potential subsurface storage volumes only in the existing pore spaces of sandstones, limestones, and dolostones (Brennan and others, 2010). Other lithologies prevalent in geologic strata, such as coal, organicrich shale, basalt, and ultramafic rocks, are not included in the current assessment. These lithologies can store CO<sub>2</sub> by trapping mechanisms (sorption or mineralogic reaction) other than the buoyant and residual trapping mechanisms currently being assessed (Brennan and others, 2010). Thirty-six participants representing academia, industry, and Federal and State government agencies took part in this workshop to discuss CO<sub>2</sub> storage in unconventional reservoirs.</p>","language":"English","publisher":"IEAGHG","usgsCitation":"Jones, K.B., Corum, M., and Blondes, M., 2012, USGS workshop on CO2 sequestration in unconventional reservoirs: Greenhouse News, v. 106, p. 16-18.","productDescription":"3 p.","startPage":"16","endPage":"18","ipdsId":"IP-037917","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":357905,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":357824,"type":{"id":15,"text":"Index Page"},"url":"https://documents.ieaghg.org/index.php/s/Z9SHARQGF7ptVY5?path=%2F2012"}],"volume":"106","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c10bf3de4b034bf6a7f0c79","contributors":{"authors":[{"text":"Jones, Kevin B. 0000-0002-6386-2623 kevinjones@usgs.gov","orcid":"https://orcid.org/0000-0002-6386-2623","contributorId":565,"corporation":false,"usgs":true,"family":"Jones","given":"Kevin","email":"kevinjones@usgs.gov","middleInitial":"B.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":746492,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Corum, M.D. 0000-0002-9038-3935 mcorum@usgs.gov","orcid":"https://orcid.org/0000-0002-9038-3935","contributorId":2249,"corporation":false,"usgs":true,"family":"Corum","given":"M.D.","email":"mcorum@usgs.gov","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":746494,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Blondes, Madalyn S. 0000-0003-0320-0107 mblondes@usgs.gov","orcid":"https://orcid.org/0000-0003-0320-0107","contributorId":3598,"corporation":false,"usgs":true,"family":"Blondes","given":"Madalyn S.","email":"mblondes@usgs.gov","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":746493,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70046996,"text":"70046996 - 2012 - Evaluation of capture techniques for long-billed curlews wintering in Texas","interactions":[],"lastModifiedDate":"2017-08-31T13:04:57","indexId":"70046996","displayToPublicDate":"2012-01-01T12:51:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1137,"text":"Bulletin of the Texas Ornithological Society","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of capture techniques for long-billed curlews wintering in Texas","docAbstract":"Texas coast harbors the largest, eastern-most populations of Long-billed Curlews (Numenius americanus) in North America; however, very little is known about their migration and wintering ecology. Curlews are readily captured on their breeding grounds, but experience with capturing the species during the non-breeding season is extremely limited. We assessed the efficacy of 6 capture techniques for Long-billed Curlews in winter: 1) modified noose ropes, 2) remotely controlled bow net, 3) Coda Netgun, 4) Super Talon net gun, 5) Hawkseye whoosh net, and 6) cast net. The Coda Netgun had the highest rate of captures per unit of effort (CPUE = 0.31; 4 curlew captures/13 d of trapping effort), followed by bow net (CPUE = 0.17; 1 capture/6 d of effort), whoosh net (CPUE = 0.14; 1 capturel7 d of effort), and noose ropes (CPUE = 0.07; 1 capturel15 d of effort). No curlews were captured using the Super Talon net gun or a cast net (3 d and 1 d of effort, respectively). Multiple capture techniques should be readily available for maximum flexibility in matching capture methods with neophobic curlews that often unpredictably change referred feeding locations among extremely different habitat types.","language":"English","publisher":"Texas Ornithological Society","usgsCitation":"Woodin, M.C., Skoruppa, M.K., Edwardson, J.W., and Austin, J., 2012, Evaluation of capture techniques for long-billed curlews wintering in Texas: Bulletin of the Texas Ornithological Society, v. 45, p. 12-22.","productDescription":"11 p.","startPage":"12","endPage":"22","numberOfPages":"11","ipdsId":"IP-033508","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":281112,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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,{"id":70043300,"text":"70043300 - 2012 - Advances in spectroscopic methods for quantifying soil carbon","interactions":[],"lastModifiedDate":"2021-03-16T17:45:05.164699","indexId":"70043300","displayToPublicDate":"2012-01-01T12:46:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Advances in spectroscopic methods for quantifying soil carbon","docAbstract":"The current gold standard for soil carbon (C) determination is elemental C analysis using dry combustion. However, this method requires expensive consumables, is limited by the number of samples that can be processed (~100/d), and is restricted to the determination of total carbon. With increased interest in soil C sequestration, faster methods of analysis are needed, and there is growing interest in methods based on diffuse reflectance spectroscopy in the visible, near-infrared or mid-infrared spectral ranges. These spectral methods can decrease analytical requirements and speed sample processing, be applied to large landscape areas using remote sensing imagery, and be used to predict multiple analytes simultaneously. However, the methods require localized calibrations to establish the relationship between spectral data and reference analytical data, and also have additional, specific problems. For example, remote sensing is capable of scanning entire watersheds for soil carbon content but is limited to the surface layer of tilled soils and may require difficult and extensive field sampling to obtain proper localized calibration reference values. The objective of this chapter is to discuss the present state of spectroscopic methods for determination of soil carbon.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Managing agricultural greenhouse gases","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","publisherLocation":"Walthham, MA","doi":"10.1016/B978-0-12-386897-8.00020-6","usgsCitation":"Reeves, J.B., McCarty, G.W., Calderon, F., and Hively, W., 2012, Advances in spectroscopic methods for quantifying soil carbon, chap. <i>of</i> Managing agricultural greenhouse gases, p. 345-366, https://doi.org/10.1016/B978-0-12-386897-8.00020-6.","productDescription":"22 p.","startPage":"345","endPage":"366","numberOfPages":"22","ipdsId":"IP-028957","costCenters":[{"id":242,"text":"Eastern Geographic Science Center","active":true,"usgs":true}],"links":[{"id":276686,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"520f49dfe4b0fc50304bc49c","contributors":{"authors":[{"text":"Reeves, James B. III","contributorId":40693,"corporation":false,"usgs":true,"family":"Reeves","given":"James","suffix":"III","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":473330,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McCarty, Gregory W.","contributorId":78861,"corporation":false,"usgs":true,"family":"McCarty","given":"Gregory","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":473332,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Calderon, Francisco","contributorId":66160,"corporation":false,"usgs":true,"family":"Calderon","given":"Francisco","email":"","affiliations":[],"preferred":false,"id":473331,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hively, W. Dean 0000-0002-5383-8064","orcid":"https://orcid.org/0000-0002-5383-8064","contributorId":9391,"corporation":false,"usgs":true,"family":"Hively","given":"W. Dean","affiliations":[],"preferred":false,"id":473329,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70154913,"text":"70154913 - 2012 - Spatio-temporal variations in age structures of a partially re-established population of northern river otters (<i>Lontra canadensis</i>)","interactions":[],"lastModifiedDate":"2015-07-20T11:42:52","indexId":"70154913","displayToPublicDate":"2012-01-01T12:45:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":737,"text":"American Midland Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Spatio-temporal variations in age structures of a partially re-established population of northern river otters (<i>Lontra canadensis</i>)","docAbstract":"<p><span>Examination of age structures and sex ratios is useful in the management of northern river otters (</span><i>Lontra canadensis</i><span>) and other furbearers. Reintroductions and subsequent recolonizations of river otters have been well documented, but changes in demographics between expanding and established populations have not been observed. As a result of reintroduction efforts, immigration from Arkansas and northeastern Texas, and other efforts, river otters have become partially reestablished throughout eastern and central Oklahoma. Our objective was to examine age structures of river otters in Oklahoma and identify trends that relate to space (watersheds, county) and time (USDA Animal and Plant Health Inspection Service county trapping records). We predicted that river otters in western areas of the state were younger than river otters occurring farther east. From 2005&ndash;2007, we obtained salvaged river otter carcasses from federal and state agencies, and we live-captured other river otters using leg hold traps. Seventy-two river otters were sampled. Overall, sex ratios were skewed toward females (1F∶0.8M), but they did not differ among spatiotemporal scales examined. Teeth were removed from salvaged and live-captured river otters (n  =  63) for aging. One-year old river otters represented the largest age class (30.2%). Proportion of juveniles (&lt;1&nbsp;y old) in Oklahoma (19.0%) was less than other states. Mean age of river otters decreased from east-to-west in the Arkansas River and its tributaries. Mean age of river otters differed between the Canadian River Watershed (0.8&nbsp;y) and the Arkansas River Watershed (2.9&nbsp;y) and the Canadian River Watershed and the Red River Watershed (2.4&nbsp;y). Proportion of juveniles did not differ among spatiotemporal scales examined. Similar to age structure variations in other mammalian carnivores, colonizing or growing western populations of river otters in Oklahoma contained younger ages than more established eastern populations.</span></p>","language":"English","publisher":"University of Notre Dame","publisherLocation":"Notre Dame, IN","doi":"10.1674/0003-0031-168.2.302","usgsCitation":"Barrett, D.A., and Leslie, D., 2012, Spatio-temporal variations in age structures of a partially re-established population of northern river otters (<i>Lontra canadensis</i>): American Midland Naturalist, v. 168, no. 2, p. 302-314, https://doi.org/10.1674/0003-0031-168.2.302.","productDescription":"13 p.","startPage":"302","endPage":"314","numberOfPages":"13","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-030103","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":305832,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"168","issue":"2","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55ae1bafe4b066a249242285","contributors":{"authors":[{"text":"Barrett, Dominic A.","contributorId":145721,"corporation":false,"usgs":false,"family":"Barrett","given":"Dominic","email":"","middleInitial":"A.","affiliations":[{"id":7249,"text":"Oklahoma State University","active":true,"usgs":false}],"preferred":false,"id":565073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Leslie, David M. Jr. cleslie@usgs.gov","contributorId":145497,"corporation":false,"usgs":true,"family":"Leslie","given":"David M.","suffix":"Jr.","email":"cleslie@usgs.gov","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":false,"id":564343,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70124929,"text":"70124929 - 2012 - Range-wide patterns of migratory connectivity in the western sandpiper <i>Calidris mauri</i>","interactions":[],"lastModifiedDate":"2017-08-23T09:14:23","indexId":"70124929","displayToPublicDate":"2012-01-01T12:08:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2190,"text":"Journal of Avian Biology","active":true,"publicationSubtype":{"id":10}},"title":"Range-wide patterns of migratory connectivity in the western sandpiper <i>Calidris mauri</i>","docAbstract":"Understanding the population dynamics of migratory animals and predicting the consequences of environmental change requires knowing how populations are spatially connected between different periods of the annual cycle. We used stable isotopes to examine patterns of migratory connectivity across the range of the western sandpiper <i>Calidris mauri</i>. First, we developed a winter isotope basemap from stable-hydrogen (δD), -carbon (δ<sup>13</sup>C), and -nitrogen (δ<sup>15</sup>N) isotopes of feathers grown in wintering areas. δD and δ<sup>15</sup>N values from wintering individuals varied with the latitude and longitude of capture location, while δ<sup>13</sup>C varied with longitude only. We then tested the ability of the basemap to assign known-origin individuals. Sixty percent of wintering individuals were correctly assigned to their region of origin out of seven possible regions. Finally, we estimated the winter origins of breeding and migrant individuals and compared the resulting empirical distribution against the distribution that would be expected based on patterns of winter relative abundance. For breeding birds, the distribution of winter origins differed from expected only among males in the Yukon-Kuskokwim (Y-K) Delta and Nome, Alaska. Males in the Y-K Delta originated overwhelmingly from western Mexico, while in Nome, there were fewer males from western North America and more from the Baja Peninsula than expected. An unexpectedly high proportion of migrants captured at a stopover site in the interior United States originated from eastern and southern wintering areas, while none originated from western North America. In general, we document substantial mixing between the breeding and wintering populations of both sexes, which will buffer the global population of western sandpipers from the effects of local habitat loss on both breeding and wintering grounds.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Avian Biology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Journal of Avian Biology","doi":"10.1111/j.1600-048X.2012.05573.x","usgsCitation":"Franks, S., Norris, D.R., Kyser, T.K., Fernández, G., Schwarz, B., Carmona, R., Colwell, M.A., Sandoval, J.C., Dondua, A., Gates, H., Haase, B., Hodkinson, D.J., Jimenez, A., Lanctot, R.B., Ortego, B., Sandercock, B.K., Sanders, F.J., Takekawa, J.Y., Warnock, N., Ydenberg, R., and Lank, D.B., 2012, Range-wide patterns of migratory connectivity in the western sandpiper <i>Calidris mauri</i>: Journal of Avian Biology, v. 43, no. 2, p. 155-167, https://doi.org/10.1111/j.1600-048X.2012.05573.x.","productDescription":"13 p.","startPage":"155","endPage":"167","numberOfPages":"13","ipdsId":"IP-030068","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":293829,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":293809,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1600-048X.2012.05573.x"}],"volume":"43","issue":"2","noUsgsAuthors":false,"publicationDate":"2012-06-04","publicationStatus":"PW","scienceBaseUri":"54140b25e4b082fed288b951","contributors":{"authors":[{"text":"Franks, Samantha E.","contributorId":92979,"corporation":false,"usgs":true,"family":"Franks","given":"Samantha E.","affiliations":[],"preferred":false,"id":501006,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Norris, D. Ryan","contributorId":59734,"corporation":false,"usgs":true,"family":"Norris","given":"D.","email":"","middleInitial":"Ryan","affiliations":[],"preferred":false,"id":500998,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kyser, T. 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,{"id":70148684,"text":"70148684 - 2012 - A shell-neutral modeling approach yields sustainable oyster harvest estimates: a retrospective analysis of the Louisiana state primary seed grounds","interactions":[],"lastModifiedDate":"2015-06-19T11:03:16","indexId":"70148684","displayToPublicDate":"2012-01-01T12:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2455,"text":"Journal of Shellfish Research","active":true,"publicationSubtype":{"id":10}},"title":"A shell-neutral modeling approach yields sustainable oyster harvest estimates: a retrospective analysis of the Louisiana state primary seed grounds","docAbstract":"<p>A numerical model is presented that defines a sustainability criterion as no net loss of shell, and calculates a sustainable harvest of seed (&lt;75 mm) and sack or market oysters (&ge;75 mm). Stock assessments of the Primary State Seed Grounds conducted east of the Mississippi from 2009 to 2011 show a general trend toward decreasing abundance of sack and seed oysters. Retrospective simulations provide estimates of annual sustainable harvests. Comparisons of simulated sustainable harvests with actual harvests show a trend toward unsustainable harvests toward the end of the time series. Stock assessments combined with shell-neutral models can be used to estimate sustainable harvest and manage cultch through shell planting when actual harvest exceeds sustainable harvest. For exclusive restoration efforts (no fishing allowed), the model provides a metric for restoration success-namely, shell accretion. Oyster fisheries that remove shell versus reef restorations that promote shell accretion, although divergent in their goals, are convergent in their management; both require vigilant attention to shell budgets.</p>","language":"English","publisher":"National Shellfisheries Association","publisherLocation":"Plymouth, MA","doi":"10.2983/035.031.0421","collaboration":"Louisiana Sea Grant, LDWF","usgsCitation":"Soniat, T.M., Klinck, J.M., Powell, E.N., Cooper, N.W., , A., Hofmann, E.E., Dahal, J., Tu, S., Finigan, J., Eberline, B.S., La Peyre, J.F., LaPeyre, M.K., and Qaddoura, F., 2012, A shell-neutral modeling approach yields sustainable oyster harvest estimates: a retrospective analysis of the Louisiana state primary seed grounds: Journal of Shellfish Research, v. 31, no. 4, p. 1103-1112, https://doi.org/10.2983/035.031.0421.","productDescription":"10 p.","startPage":"1103","endPage":"1112","numberOfPages":"10","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-038815","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":301358,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"31","issue":"4","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55853d2ee4b023124e8f5ae8","contributors":{"authors":[{"text":"Soniat, Thomas M.","contributorId":11109,"corporation":false,"usgs":true,"family":"Soniat","given":"Thomas","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":549017,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Klinck, John M.","contributorId":141235,"corporation":false,"usgs":false,"family":"Klinck","given":"John","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":549018,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Powell, Eric N.","contributorId":138550,"corporation":false,"usgs":false,"family":"Powell","given":"Eric","email":"","middleInitial":"N.","affiliations":[{"id":6672,"text":"former: USGS Southwest Biological Science Center, Colorado Plateau Research Station, Flagstaff, AZ. Current address:  TN-SCORE, Univ of Tennessee, Knoxville, TN, e-mail: jennen@gmail.com","active":true,"usgs":false}],"preferred":false,"id":549019,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cooper, Nathan W.","contributorId":141236,"corporation":false,"usgs":false,"family":"Cooper","given":"Nathan","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":549024,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":" Abdelguerfi","contributorId":141237,"corporation":false,"usgs":false,"given":"Abdelguerfi","email":"","affiliations":[],"preferred":false,"id":549025,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hofmann, Eileen E.","contributorId":55726,"corporation":false,"usgs":true,"family":"Hofmann","given":"Eileen","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":549026,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Dahal, Janak","contributorId":141238,"corporation":false,"usgs":false,"family":"Dahal","given":"Janak","email":"","affiliations":[],"preferred":false,"id":549027,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Tu, Shengru","contributorId":141239,"corporation":false,"usgs":false,"family":"Tu","given":"Shengru","email":"","affiliations":[],"preferred":false,"id":549028,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Finigan, John","contributorId":141240,"corporation":false,"usgs":false,"family":"Finigan","given":"John","email":"","affiliations":[],"preferred":false,"id":549029,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Eberline, Benjamin S.","contributorId":141241,"corporation":false,"usgs":false,"family":"Eberline","given":"Benjamin","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":549030,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"La Peyre, Jerome F.","contributorId":34697,"corporation":false,"usgs":true,"family":"La Peyre","given":"Jerome","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":549031,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"LaPeyre, Megan K. 0000-0001-9936-2252 mlapeyre@usgs.gov","orcid":"https://orcid.org/0000-0001-9936-2252","contributorId":585,"corporation":false,"usgs":true,"family":"LaPeyre","given":"Megan","email":"mlapeyre@usgs.gov","middleInitial":"K.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":549007,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Qaddoura, Fareed","contributorId":141242,"corporation":false,"usgs":false,"family":"Qaddoura","given":"Fareed","email":"","affiliations":[],"preferred":false,"id":549032,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}}
,{"id":70045861,"text":"70045861 - 2012 - Magnitude Estimates of M7.3-7.8 for the 1811-1812 New Madrid and M7.0 for the 1886 Charleston Earthquakes from a Monte Carlo Analysis of Mean MMIs","interactions":[],"lastModifiedDate":"2013-07-22T11:26:03","indexId":"70045861","displayToPublicDate":"2012-01-01T11:08:00","publicationYear":"2012","noYear":false,"publicationType":{"id":4,"text":"Book"},"publicationSubtype":{"id":12,"text":"Conference publication"},"title":"Magnitude Estimates of M7.3-7.8 for the 1811-1812 New Madrid and M7.0 for the 1886 Charleston Earthquakes from a Monte Carlo Analysis of Mean MMIs","docAbstract":"No abstract available","largerWorkTitle":"Eastern Section-SSA 2012 Meeting Report","conferenceTitle":"84th annual meeting of the Eastern Section of the Seismological Society of America","conferenceDate":"2012-10-28T00:00:00","conferenceLocation":"Blacksburg, VA","language":"English","publisher":"Seismological Society of America","usgsCitation":"Cramer, C.H., and Boyd, O.S., 2012, Magnitude Estimates of M7.3-7.8 for the 1811-1812 New Madrid and M7.0 for the 1886 Charleston Earthquakes from a Monte Carlo Analysis of Mean MMIs.","ipdsId":"IP-045589","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":275210,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":275207,"type":{"id":15,"text":"Index Page"},"url":"https://srl.geoscienceworld.org/content/84/1/139.full#sec-42"}],"country":"United States","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51ee5465e4b00ffbed48f8a6","contributors":{"authors":[{"text":"Cramer, Chris H.","contributorId":32196,"corporation":false,"usgs":true,"family":"Cramer","given":"Chris","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":478451,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boyd, Oliver S. olboyd@usgs.gov","contributorId":956,"corporation":false,"usgs":true,"family":"Boyd","given":"Oliver","email":"olboyd@usgs.gov","middleInitial":"S.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":false,"id":478450,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70199592,"text":"70199592 - 2012 - Geostatistical population-mixture approach to unconventional-resource assessment with an application to the Woodford Gas Shale, Arkoma Basin, eastern Oklahoma","interactions":[],"lastModifiedDate":"2018-09-24T10:54:25","indexId":"70199592","displayToPublicDate":"2012-01-01T10:54:18","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5755,"text":"SPE Reservoir Evaluation & Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Geostatistical population-mixture approach to unconventional-resource assessment with an application to the Woodford Gas Shale, Arkoma Basin, eastern Oklahoma","docAbstract":"<p><span>Evaluation of resources such as tight sands and gas shales requires the formulation of assessment models that are different from those used for the inference of conventional resources. Formulations in present use are based in classical statistics that ignore the partly organized and partly random geographical variation of attributes related to the occurrence of hydrocarbons. This paper is the third in a series of methodological tests aimed at enhancing the assessment of unconventional resources through more-effective use of implicit and explicit information contained in the data, more-accurate evaluation of resources, and more-informative display of results. Reprocessing of estimated-ultimate-recovery (EUR) data at the Woodford gas shale in Oklahoma shows that subdivision of the play into areas as homogeneous as possible can produce results comparable to those obtained using several variables correlated to local productivity.</span></p>","language":"English","publisher":"Society of Petroleum Engineers","doi":"10.2118/163049-PA","usgsCitation":"Olea, R., Charpentier, R., Cook, T.A., Houseknecht, D.W., and Garrity, C.P., 2012, Geostatistical population-mixture approach to unconventional-resource assessment with an application to the Woodford Gas Shale, Arkoma Basin, eastern Oklahoma: SPE Reservoir Evaluation & Engineering, v. 15, no. 5, p. 554-562, https://doi.org/10.2118/163049-PA.","productDescription":"9 p.","startPage":"554","endPage":"562","ipdsId":"IP-038213","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":357660,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oklahoma","otherGeospatial":"Arkoma Basin","volume":"15","issue":"5","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2012-09-04","publicationStatus":"PW","scienceBaseUri":"5c10bf3de4b034bf6a7f0c7b","contributors":{"editors":[{"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":745916,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Charpentier, Ronald R.","contributorId":208099,"corporation":false,"usgs":false,"family":"Charpentier","given":"Ronald R.","affiliations":[{"id":37715,"text":"Ex-USGS, now retired","active":true,"usgs":false}],"preferred":false,"id":745917,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Olea, Ricardo A. 0000-0003-4308-0808","orcid":"https://orcid.org/0000-0003-4308-0808","contributorId":47873,"corporation":false,"usgs":true,"family":"Olea","given":"Ricardo A.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":745915,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Charpentier, Ronald charpentier@usgs.gov","contributorId":150415,"corporation":false,"usgs":true,"family":"Charpentier","given":"Ronald","email":"charpentier@usgs.gov","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":746098,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cook, Troy A.","contributorId":52519,"corporation":false,"usgs":true,"family":"Cook","given":"Troy","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":746099,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"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":746100,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Garrity, Christopher P. 0000-0002-5565-1818 cgarrity@usgs.gov","orcid":"https://orcid.org/0000-0002-5565-1818","contributorId":644,"corporation":false,"usgs":true,"family":"Garrity","given":"Christopher","email":"cgarrity@usgs.gov","middleInitial":"P.","affiliations":[{"id":5061,"text":"National Cooperative Geologic Mapping and Landslide Hazards","active":true,"usgs":true},{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":746101,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70046096,"text":"70046096 - 2012 - The science, information, and engineering needed to manage water availability and quality in 2050","interactions":[],"lastModifiedDate":"2022-12-27T17:14:35.840593","indexId":"70046096","displayToPublicDate":"2012-01-01T09:54:29","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"23","title":"The science, information, and engineering needed to manage water availability and quality in 2050","docAbstract":"This chapter explores four water resources issues: 1) hydrologic variability, hazards, water supply and ecosystem preservation; 2) urban landscape design; 3) non-point source water quality, and 4) climate change, resiliency, and nonstationarity.  It also considers what science, technology, and engineering practice may be needed in the coming decades to sustain water supplies and ecosystems in the face of increasing stresses from a growing demand for water.  Dealing with these four water resource issues in the highly uncertain future would will demand predictive models that are rooted in real-world data.  In a non-stationary world, continuity of observations is crucial.  All watersheds are influenced by human actions through changes in land use, water use, and climate.  The focus of water planning and management between today and 2050 will depend more than ever on collection and analysis of long-term data to learn about the evolving state of the system, understanding ecosystem processes in the water and on the landscape, and finding innovative ways to manage water as a shared resource.  This includes sharing water with our neighbors on the landscape, sharing with the other species that depend on water, and sharing with future generations.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Toward a sustainable water future: Visions for 2050","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"American Society of Civil Engineers","doi":"10.1061/9780784412077.ch23","usgsCitation":"Hirsch, R.M., 2012, The science, information, and engineering needed to manage water availability and quality in 2050, chap. 23 <i>of</i> Toward a sustainable water future: Visions for 2050, p. 215-225, https://doi.org/10.1061/9780784412077.ch23.","productDescription":"11 p.","startPage":"215","endPage":"225","ipdsId":"IP-017761","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":276736,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2013-05-10","publicationStatus":"PW","scienceBaseUri":"52136e3ae4b0b08f4461993d","contributors":{"authors":[{"text":"Hirsch, Robert M. 0000-0002-4534-075X rhirsch@usgs.gov","orcid":"https://orcid.org/0000-0002-4534-075X","contributorId":2005,"corporation":false,"usgs":true,"family":"Hirsch","given":"Robert","email":"rhirsch@usgs.gov","middleInitial":"M.","affiliations":[{"id":37316,"text":"WMA - Integrated Information Dissemination Division","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":502,"text":"Office of Surface Water","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true}],"preferred":true,"id":478895,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70047395,"text":"70047395 - 2012 - Sulfur, carbon, hydrogen, and oxygen isotope geochemistry of the Idaho cobalt belt","interactions":[],"lastModifiedDate":"2018-11-19T11:25:55","indexId":"70047395","displayToPublicDate":"2012-01-01T08:58:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Sulfur, carbon, hydrogen, and oxygen isotope geochemistry of the Idaho cobalt belt","docAbstract":"Cobalt-copper &plusmn; gold deposits of the Idaho cobalt belt, including the deposits of the Blackbird district, have been analyzed for their sulfur, carbon, hydrogen, and oxygen isotope compositions to improve the understanding of ore formation. Previous genetic hypotheses have ranged widely, linking the ores to the sedimentary or diagenetic history of the host Mesoproterozoic sedimentary rocks, to Mesoproterozoic or Cretaceous magmatism, or to metamorphic shearing. The &delta;<sup>34</sup>S values are nearly uniform throughout the Blackbird dis- trict, with a mean value for cobaltite (CoAsS, the main cobalt mineral) of 8.0 &plusmn; 0.4‰ (<i>n</i> = 19). The data suggest that (1) sulfur was derived at least partly from sedimentary sources, (2) redox reactions involving sulfur were probably unimportant for ore deposition, and (3) the sulfur was probably transported to sites of ore for- mation as H<sub>2</sub>S. Hydrogen and oxygen isotope compositions of the ore-forming fluid, which are calculated from analyses of biotite-rich wall rocks and tourmaline, do not uniquely identify the source of the fluid; plausible sources include formation waters, metamorphic waters, and mixtures of magmatic and isotopically heavy meteoric waters. The calculated compositions are a poor match for the modified seawaters that form vol- canogenic massive sulfide (VMS) deposits. Carbon and oxygen isotope compositions of siderite, a mineral that is widespread, although sparse, at Blackbird, suggest formation from mixtures of sedimentary organic carbon and magmatic-metamorphic carbon. The isotopic compositions of calcite in alkaline dike rocks of uncertain age are consistent with a magmatic origin. Several lines of evidence suggest that siderite postdated the emplacement of cobalt and copper, so its significance for the ore-forming event is uncertain. From the stable isotope perspective, the mineral deposits of the Idaho cobalt belt contrast with typical VMS and sedimentary exhalative deposits. They show characteristics of deposit types that form in deeper environments and could be related to metamorphic processes or magmatic processes, although the isotopic evidence for magmatic components is relatively weak.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Economic Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/econgeo.107.6.1207","usgsCitation":"Johnson, C.A., Bookstrom, A.A., and Slack, J.F., 2012, Sulfur, carbon, hydrogen, and oxygen isotope geochemistry of the Idaho cobalt belt: Economic Geology, v. 107, no. 6, p. 1207-1221, https://doi.org/10.2113/econgeo.107.6.1207.","productDescription":"15 p.","startPage":"1207","endPage":"1221","numberOfPages":"15","ipdsId":"IP-028411","costCenters":[{"id":218,"text":"Denver Federal Center","active":false,"usgs":true},{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":275994,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":275993,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2113/econgeo.107.6.1207"}],"country":"United States","state":"Idaho","otherGeospatial":"Idaho Cobalt Belt","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.7502,44.9628 ], [ -114.7502,45.3514 ], [ -113.812,45.3514 ], [ -113.812,44.9628 ], [ -114.7502,44.9628 ] ] ] } } ] }","volume":"107","issue":"6","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"5200c969e4b009d47a4c23e2","contributors":{"authors":[{"text":"Johnson, Craig A. 0000-0002-1334-2996 cjohnso@usgs.gov","orcid":"https://orcid.org/0000-0002-1334-2996","contributorId":909,"corporation":false,"usgs":true,"family":"Johnson","given":"Craig","email":"cjohnso@usgs.gov","middleInitial":"A.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":481932,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bookstrom, Arthur A. 0000-0003-1336-3364 abookstrom@usgs.gov","orcid":"https://orcid.org/0000-0003-1336-3364","contributorId":1542,"corporation":false,"usgs":true,"family":"Bookstrom","given":"Arthur","email":"abookstrom@usgs.gov","middleInitial":"A.","affiliations":[{"id":5056,"text":"Office of the AD Energy and Minerals, and Environmental Health","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":481934,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Slack, John F. 0000-0001-6600-3130 jfslack@usgs.gov","orcid":"https://orcid.org/0000-0001-6600-3130","contributorId":1032,"corporation":false,"usgs":true,"family":"Slack","given":"John","email":"jfslack@usgs.gov","middleInitial":"F.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":481933,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70046838,"text":"70046838 - 2012 - Changing climate, changing forests: the impacts of climate change on forests of the northeastern United States and eastern Canada","interactions":[],"lastModifiedDate":"2013-08-21T08:55:09","indexId":"70046838","displayToPublicDate":"2012-01-01T08:36:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":32,"text":"General Technical Report","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"NRS-99","title":"Changing climate, changing forests: the impacts of climate change on forests of the northeastern United States and eastern Canada","docAbstract":"Decades of study on climatic change and its direct and indirect effects on forest ecosystems provide important insights for forest science, management, and policy. A synthesis of recent research from the northeastern United States and eastern Canada shows that the climate of the region has become warmer and wetter over the past 100 years and that there are more extreme precipitation events. Greater change is projected in the future. The amount of projected future change depends on the emissions scenarios used. Tree species composition of northeast forests has shifted slowly in response to climate for thousands of years. However, current human-accelerated climate change is much more rapid and it is unclear how forests will respond to large changes in suitable habitat. Projections indicate significant declines in suitable habitat for spruce-fir forests and expansion of suitable habitat for oak-dominated forests. Productivity gains that might result from extended growing seasons and carbon dioxide and nitrogen fertilization may be offset by productivity losses associated with the disruption of species assemblages and concurrent stresses associated with potential increases in atmospheric deposition of pollutants, forest fragmentation, and nuisance species. Investigations of links to water and nutrient cycling suggest that changes in evapotranspiration, soil respiration, and mineralization rates could result in significant alterations of key ecosystem processes. Climate change affects the distribution and abundance of many wildlife species in the region through changes in habitat, food availability, thermal tolerances, species interactions such as competition, and susceptibility to parasites and disease. Birds are the most studied northeastern taxa. Twenty-seven of the 38 bird species for which we have adequate long-term records have expanded their ranges predominantly in a northward direction. There is some evidence to suggest that novel species, including pests and pathogens, may be more adept at adjusting to changing climatic conditions, enhancing their competitive ability relative to native species. With the accumulating evidence of climate change and its potential effects, forest stewardship efforts would benefit from integrating climate mitigation and adaptation options in conservation and management plans.","language":"English","publisher":"U.S. Department of Agriculture, Forest Service, Northern Research Station","publisherLocation":"Newtown Square, PA","usgsCitation":"Rustad, L., Campbell, J., Dukes, J.S., Huntington, T., Lambert, K.F., Mohan, J., and Rodenhouse, N., 2012, Changing climate, changing forests: the impacts of climate change on forests of the northeastern United States and eastern Canada: General Technical Report NRS-99, 48 p.","productDescription":"48 p.","numberOfPages":"56","ipdsId":"IP-037757","costCenters":[{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true}],"links":[{"id":276836,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":276835,"type":{"id":15,"text":"Index Page"},"url":"https://www.nrs.fs.fed.us/pubs/41165"}],"country":"Canada;United States","state":"Connecticut;Labrador;Maine;Massachusetts;New Brunswick;Newfoundland;New Hampshire;New York;Nova Scotia;Quebec;Rhode Island;Vermont","otherGeospatial":"Northeast Forests","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -79.85,40.58 ], [ -79.85,62.58 ], [ -52.4,62.58 ], [ -52.4,40.58 ], [ -79.85,40.58 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5215e15fe4b02034073ad3eb","contributors":{"authors":[{"text":"Rustad, Lindsey","contributorId":73493,"corporation":false,"usgs":true,"family":"Rustad","given":"Lindsey","email":"","affiliations":[],"preferred":false,"id":480433,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Campbell, John","contributorId":53283,"corporation":false,"usgs":true,"family":"Campbell","given":"John","affiliations":[],"preferred":false,"id":480429,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dukes, Jeffrey S.","contributorId":61331,"corporation":false,"usgs":true,"family":"Dukes","given":"Jeffrey","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":480430,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Huntington, Thomas 0000-0002-9427-3530","orcid":"https://orcid.org/0000-0002-9427-3530","contributorId":81005,"corporation":false,"usgs":true,"family":"Huntington","given":"Thomas","affiliations":[],"preferred":false,"id":480434,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lambert, Kathy Fallon","contributorId":19463,"corporation":false,"usgs":true,"family":"Lambert","given":"Kathy","email":"","middleInitial":"Fallon","affiliations":[],"preferred":false,"id":480428,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mohan, Jacqueline","contributorId":62924,"corporation":false,"usgs":true,"family":"Mohan","given":"Jacqueline","email":"","affiliations":[],"preferred":false,"id":480431,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Rodenhouse, Nicholas","contributorId":64148,"corporation":false,"usgs":true,"family":"Rodenhouse","given":"Nicholas","email":"","affiliations":[],"preferred":false,"id":480432,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70044500,"text":"70044500 - 2012 - Stable water isotopologue ratios in fog and cloud droplets of liquid clouds are not size-dependent","interactions":[],"lastModifiedDate":"2013-05-07T13:36:56","indexId":"70044500","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":922,"text":"Atmospheric Chemistry and Physics","active":true,"publicationSubtype":{"id":10}},"title":"Stable water isotopologue ratios in fog and cloud droplets of liquid clouds are not size-dependent","docAbstract":"In this work, we present the first observations of stable water isotopologue ratios in cloud droplets of different sizes collected simultaneously. We address the question whether the isotope ratio of droplets in a liquid cloud varies as a function of droplet size. Samples were collected from a ground intercepted cloud (= fog) during the Hill Cap Cloud Thuringia 2010 campaign (HCCT-2010) using a three-stage Caltech Active Strand Cloud water Collector (CASCC). An instrument test revealed that no artificial isotopic fractionation occurs during sample collection with the CASCC. Furthermore, we could experimentally confirm the hypothesis that the δ values of cloud droplets of the relevant droplet sizes (μm-range) were not significantly different and thus can be assumed to be in isotopic equilibrium immediately with the surrounding water vapor. However, during the dissolution period of the cloud, when the supersaturation inside the cloud decreased and the cloud began to clear, differences in isotope ratios of the different droplet sizes tended to be larger. This is likely to result from the cloud's heterogeneity, implying that larger and smaller cloud droplets have been collected at different moments in time, delivering isotope ratios from different collection times.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Atmospheric Chemistry and Physics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"European Geosciences Union","doi":"10.5194/acp-12-9855-2012","usgsCitation":"Spiegel, J., Aemisegger, F., Scholl, M., Wienhold, F., Collett, J., Lee, T., van Pinxteren, D., Mertes, S., Tilgner, A., Herrmann, H., Werner, R., Buchmann, N., and Eugster, W., 2012, Stable water isotopologue ratios in fog and cloud droplets of liquid clouds are not size-dependent: Atmospheric Chemistry and Physics, v. 12, p. 9855-9863, https://doi.org/10.5194/acp-12-9855-2012.","productDescription":"9 p.","startPage":"9855","endPage":"9863","numberOfPages":"9","ipdsId":"IP-020677","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":474619,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.5194/acp-12-9855-2012","text":"Publisher Index Page"},{"id":271963,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":271962,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.5194/acp-12-9855-2012"}],"country":"United States","volume":"12","noUsgsAuthors":false,"publicationDate":"2012-10-29","publicationStatus":"PW","scienceBaseUri":"518a227ae4b061e1bd5334c4","contributors":{"authors":[{"text":"Spiegel, J.K.","contributorId":6738,"corporation":false,"usgs":true,"family":"Spiegel","given":"J.K.","email":"","affiliations":[],"preferred":false,"id":475739,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Aemisegger, F.","contributorId":105614,"corporation":false,"usgs":true,"family":"Aemisegger","given":"F.","email":"","affiliations":[],"preferred":false,"id":475751,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scholl, M.","contributorId":32385,"corporation":false,"usgs":true,"family":"Scholl","given":"M.","affiliations":[],"preferred":false,"id":475745,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wienhold, F.G.","contributorId":11489,"corporation":false,"usgs":true,"family":"Wienhold","given":"F.G.","email":"","affiliations":[],"preferred":false,"id":475740,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Collett, J.L. Jr.","contributorId":42426,"corporation":false,"usgs":true,"family":"Collett","given":"J.L.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":475747,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lee, T.","contributorId":91720,"corporation":false,"usgs":true,"family":"Lee","given":"T.","affiliations":[],"preferred":false,"id":475749,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"van Pinxteren, D.","contributorId":18646,"corporation":false,"usgs":true,"family":"van Pinxteren","given":"D.","email":"","affiliations":[],"preferred":false,"id":475744,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Mertes, S.","contributorId":85859,"corporation":false,"usgs":true,"family":"Mertes","given":"S.","email":"","affiliations":[],"preferred":false,"id":475748,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Tilgner, A.","contributorId":14276,"corporation":false,"usgs":true,"family":"Tilgner","given":"A.","email":"","affiliations":[],"preferred":false,"id":475743,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Herrmann, H.","contributorId":12344,"corporation":false,"usgs":true,"family":"Herrmann","given":"H.","email":"","affiliations":[],"preferred":false,"id":475742,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Werner, Roland A.","contributorId":103488,"corporation":false,"usgs":true,"family":"Werner","given":"Roland A.","affiliations":[],"preferred":false,"id":475750,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Buchmann, N.","contributorId":11906,"corporation":false,"usgs":true,"family":"Buchmann","given":"N.","affiliations":[],"preferred":false,"id":475741,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Eugster, W.","contributorId":32701,"corporation":false,"usgs":true,"family":"Eugster","given":"W.","email":"","affiliations":[],"preferred":false,"id":475746,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}}
,{"id":70045422,"text":"70045422 - 2012 - Ordovician of the Sauk megasequence in the Ozark region of northern Arkansas and parts of Missouri and adjacent states","interactions":[],"lastModifiedDate":"2020-09-16T01:10:48.997294","indexId":"70045422","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":606,"text":"AAPG Memoir","active":true,"publicationSubtype":{"id":10}},"chapter":"11","title":"Ordovician of the Sauk megasequence in the Ozark region of northern Arkansas and parts of Missouri and adjacent states","docAbstract":"<p>Exposures of Ordovician rocks of the Sauk megasequence in Missouri and northern Arkansas comprise Ibexian and lower Whiterockian carbonates with interspersed sandstones. Subjacent Cambrian strata are exposed in Missouri but confined to the subsurface in Arkansas. The Sauk-Tippecanoe boundary in this region is at the base of the St. Peter Sandstone. Ulrich and associates divided the Arkansas section into formations early in the 20th century, principally based on sparse collections of fossil invertebrates. In contrast, the distribution of invertebrate faunas and modern studies of conodonts will be emphasized throughout this chapter. Early workers considered many of the stratigraphic units to be separated by unconformities, but modern analysis calls into question the unconformable nature of some of their boundaries. The physical similarity of the several dolomites and sandstones, complex facies relations, and lack of continuous exposures make identification of individual formations difficult in isolated outcrops.</p>\n<p>The oldest formation that crops out in the region is the Jefferson City Dolomite, which may be present in outcrops along incised river valleys near the Missouri-Arkansas border. Rare fossil gastropods, bivalves, brachiopods, conodonts, and trilobites permit correlation of the Cotter through Powell Dolomites with Ibexian strata elsewhere in Laurentia. Conodonts in the Black Rock Limestone Member of the Smithville Formation and the upper part of the Powell Dolomite confirm regional relationships that have been suggested for these units; those of the Black Rock Limestone Member are consistent with deposition under more open marine conditions than existed when older and younger units were forming. Brachiopods and conodonts from the overlying Everton Formation assist in interpreting complex facies within that formation and its correlation to equivalent rocks elsewhere. The youngest conodonts in the Everton Formation provide an age limit for the Sauk-Tippecanoe unconformity near the southern extremity of the great American carbonate bank. The correlation to coeval strata in the Ouachita Mountains of central Arkansas and in the Arbuckle Mountains of Oklahoma and to rocks penetrated in wells drilled in the Reelfoot rift basin has been improved greatly in recent years by integration of biostratigraphic data with lithologic information.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"The great American carbonate bank: The geology and economic resources of the Cambrian–Ordovician Sauk megasequence of Laurentia","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"AAPG","publisherLocation":"Tulsa, OK","doi":"10.1306/13331496M983496","usgsCitation":"Ethington, R.L., Repetski, J.E., and Derby, J.R., 2012, Ordovician of the Sauk megasequence in the Ozark region of northern Arkansas and parts of Missouri and adjacent states: AAPG Memoir, v. 98, p. 275-300, https://doi.org/10.1306/13331496M983496.","productDescription":"26 p.","startPage":"275","endPage":"300","numberOfPages":"26","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":270965,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":299311,"type":{"id":15,"text":"Index Page"},"url":"https://archives.datapages.com/data/specpubs/memoir98/CHAPTER11/CHAPTER11.HTM"}],"country":"United States","state":"Arkansas, Missouri","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -94.9658203125,\n              34.867904962568744\n            ],\n            [\n              -94.9658203125,\n              37.63163475580643\n            ],\n            [\n              -89.62646484375,\n              37.63163475580643\n            ],\n            [\n              -89.62646484375,\n              34.867904962568744\n            ],\n            [\n              -94.9658203125,\n              34.867904962568744\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"98","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"516e64dae4b00154e4368b63","contributors":{"authors":[{"text":"Ethington, Raymond L.","contributorId":93507,"corporation":false,"usgs":false,"family":"Ethington","given":"Raymond","email":"","middleInitial":"L.","affiliations":[{"id":6754,"text":"University of Missouri","active":true,"usgs":false}],"preferred":false,"id":477480,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Repetski, John E. 0000-0002-2298-7120 jrepetski@usgs.gov","orcid":"https://orcid.org/0000-0002-2298-7120","contributorId":2596,"corporation":false,"usgs":true,"family":"Repetski","given":"John","email":"jrepetski@usgs.gov","middleInitial":"E.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":477478,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Derby, James R.","contributorId":68207,"corporation":false,"usgs":false,"family":"Derby","given":"James","email":"","middleInitial":"R.","affiliations":[{"id":13326,"text":"The University of Tulsa","active":true,"usgs":false}],"preferred":false,"id":477479,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70045423,"text":"70045423 - 2012 - The Middle Ordovician Knox unconformity in the Black Warrior Basin","interactions":[],"lastModifiedDate":"2020-09-14T15:37:16.938094","indexId":"70045423","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"seriesTitle":{"id":606,"text":"AAPG Memoir","active":true,"publicationSubtype":{"id":10}},"title":"The Middle Ordovician Knox unconformity in the Black Warrior Basin","docAbstract":"<p>Analysis of well core and cuttings from the Black Warrior Basin in Mississippi reveals the presence of a Middle Ordovician (Whiterockian) erosional unconformity interpreted to be equivalent to the well-known Knox-Beekmantown unconformity in eastern North America. The unconformity occurs at the top of a peritidal dolostone unit known informally as the upper dolostone, whose stratigraphic placement has been the subject of a long-standing controversy. The unconformity, which represents the Sauk-Tippecanoe megasequence boundary on the North American craton, was previously thought to be short-lived or altogether absent in the Black Warrior Basin.</p>\n<p>The unconformity is characterized by subunconformity solution pipes, solution-collapse breccias, internal sedimentation, and erosional truncation of the underlying dolostone unit. This erosional surface is veneered with sand- to pebble-size, rounded and angular lithoclasts of the underlying dolostone, and rounded and angular quartz sand and silt. Extensive secondary porosity developed in the upper dolostone below the unconformity. Although much of this porosity was later occluded by internal sedimentation and pore-filling dolomite and calcite cement, porous zones remain in the upper dolostone.</p>\n<p>Based on conodont biostratigraphy from four cores and from a previous study on cuttings from a nearby well, the unconformity is middle Whiterockian in age and likely spans most or all of the&nbsp;<i>Histiodella holodentata</i>&nbsp;Biozone.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"The great American carbonate bank: The geology and economic resources of the Cambrian-Ordovician Sauk megasequence of Laurentia","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"AAPG","publisherLocation":"Tulsa, OK","doi":"10.1306/13331498M983499","usgsCitation":"Dwyer, G., and Repetski, J.E., 2012, The Middle Ordovician Knox unconformity in the Black Warrior Basin, chap. <i>of</i> The great American carbonate bank: The geology and economic resources of the Cambrian-Ordovician Sauk megasequence of Laurentia: AAPG Memoir, v. 98, p. 345-356, https://doi.org/10.1306/13331498M983499.","productDescription":"12 p.","startPage":"345","endPage":"356","numberOfPages":"12","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":270966,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":378361,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.geoscienceworld.org/books/book/1267/chapter/107099883/The-Middle-Ordovician-Knox-Unconformity-in-the"}],"country":"United States","state":"Alabama, Arkansas, Tennessee","otherGeospatial":"Black Warrior Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -90.780029296875,\n              33.55970664841198\n            ],\n            [\n              -90.780029296875,\n              35.55010533588552\n            ],\n            [\n              -86.297607421875,\n              35.55010533588552\n            ],\n            [\n              -86.297607421875,\n              33.55970664841198\n            ],\n            [\n              -90.780029296875,\n              33.55970664841198\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"98","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"516e64dde4b00154e4368b77","contributors":{"authors":[{"text":"Dwyer, Gary S.","contributorId":67642,"corporation":false,"usgs":true,"family":"Dwyer","given":"Gary S.","affiliations":[],"preferred":false,"id":541597,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Repetski, John E. 0000-0002-2298-7120 jrepetski@usgs.gov","orcid":"https://orcid.org/0000-0002-2298-7120","contributorId":2596,"corporation":false,"usgs":true,"family":"Repetski","given":"John","email":"jrepetski@usgs.gov","middleInitial":"E.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":541598,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70046057,"text":"70046057 - 2012 - Sequential simulation approach to modeling of multi-seam coal deposits with an application to the assessment of a Louisiana lignite","interactions":[],"lastModifiedDate":"2013-06-17T14:43:46","indexId":"70046057","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2832,"text":"Natural Resources Research","onlineIssn":"1573-8981","printIssn":"1520-7439","active":true,"publicationSubtype":{"id":10}},"title":"Sequential simulation approach to modeling of multi-seam coal deposits with an application to the assessment of a Louisiana lignite","docAbstract":"There are multiple ways to characterize uncertainty in the assessment of coal resources, but not all of them are equally satisfactory. Increasingly, the tendency is toward borrowing from the statistical tools developed in the last 50 years for the quantitative assessment of other mineral commodities. Here, we briefly review the most recent of such methods and formulate a procedure for the systematic assessment of multi-seam coal deposits taking into account several geological factors, such as fluctuations in thickness, erosion, oxidation, and bed boundaries. A lignite deposit explored in three stages is used for validating models based on comparing a first set of drill holes against data from infill and development drilling. Results were fully consistent with reality, providing a variety of maps, histograms, and scatterplots characterizing the deposit and associated uncertainty in the assessments. The geostatistical approach was particularly informative in providing a probability distribution modeling deposit wide uncertainty about total resources and a cumulative distribution of coal tonnage as a function of local uncertainty.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Natural Resources Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","doi":"10.1007/s11053-012-9185-1","usgsCitation":"Olea, R., and Luppens, J.A., 2012, Sequential simulation approach to modeling of multi-seam coal deposits with an application to the assessment of a Louisiana lignite: Natural Resources Research, v. 21, no. 4, p. 443-459, https://doi.org/10.1007/s11053-012-9185-1.","productDescription":"17 p.","startPage":"443","endPage":"459","ipdsId":"IP-038710","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":273847,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":273846,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s11053-012-9185-1"}],"country":"United States","state":"Louisiana","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -94.04,28.92 ], [ -94.04,33.01 ], [ -88.81,33.01 ], [ -88.81,28.92 ], [ -94.04,28.92 ] ] ] } } ] }","volume":"21","issue":"4","noUsgsAuthors":false,"publicationDate":"2012-08-23","publicationStatus":"PW","scienceBaseUri":"51c02ff5e4b0ee1529ed3d51","contributors":{"authors":[{"text":"Olea, Ricardo A. 0000-0003-4308-0808","orcid":"https://orcid.org/0000-0003-4308-0808","contributorId":47873,"corporation":false,"usgs":true,"family":"Olea","given":"Ricardo A.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":478783,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Luppens, James A. 0000-0001-7607-8750 jluppens@usgs.gov","orcid":"https://orcid.org/0000-0001-7607-8750","contributorId":550,"corporation":false,"usgs":true,"family":"Luppens","given":"James","email":"jluppens@usgs.gov","middleInitial":"A.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":478782,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70042048,"text":"ofr20121218 - 2012 - Preliminary physical stratigraphy, biostratigraphy, and geophysical data of the USGS South Dover Bridge Core, Talbot County, Maryland","interactions":[],"lastModifiedDate":"2013-01-14T13:03:01","indexId":"ofr20121218","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-1218","title":"Preliminary physical stratigraphy, biostratigraphy, and geophysical data of the USGS South Dover Bridge Core, Talbot County, Maryland","docAbstract":"The South Dover Bridge (SDB) corehole was drilled in October 2007 in Talbot County, Maryland. The main purpose for drilling this corehole was to characterize the Upper Cretaceous and Paleogene lithostratigraphy and biostratigraphy of the aquifers and confining units of this region. The data obtained from this core also will be used as a guide to geologic mapping and to help interpret well data from the eastern part of the Washington East 1:100,000-scale map near the town of Easton, Md. Core drilling was conducted to a depth of 700 feet (ft). The Cretaceous section was not penetrated due to technical problems during drilling. This project was funded by the U.S. Geological Survey’s (USGS) Eastern Geology and Paleoclimate Science Center (EGPSC) as part of the Geology of the Atlantic Watersheds Project; this project was carried out in cooperation with the Maryland Geological Survey (MGS) through partnerships with the Aquifer Characterization Program of the USGS’s Maryland-Delaware-District of Columbia Water Science Center and the National Cooperative Geologic Mapping Program.\n\nThe SDB corehole was drilled by the USGS drilling crew in the northeastern corner of the Trappe 7.5-minute quadrangle, near the type locality of the Boston Cliffs member of the Choptank Formation. Geophysical logs (gamma ray, single point resistance, and 16-inch and 64-inch normal resistivity) were run to a depth of 527.5 ft; the total depth of 700.0 ft could not be reached because of the collapse of the lower part of the hole. Of the 700.0 ft drilled, 531.8 ft of core were recovered, representing a 76 percent core recovery. The elevation of the top of the corehole is approximately 12 ft above mean sea level; its coordinates are lat 38°44′49.34″N. and long 76°00′25.09″W. (38.74704N., 76.00697W. in decimal degrees).\n\nA groundwater monitoring well was not installed at this site. The South Dover Bridge corehole was the first corehole that will be used to better understand the geology and hydrology of the Maryland Eastern Shore.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20121218","usgsCitation":"Aleman Gonzalez, W.B., Powars, D.S., Seefelt, E., Edwards, L.E., Self-Trail, J.M., Durand, C.T., Schultz, A.P., and McLaughlin, P., 2012, Preliminary physical stratigraphy, biostratigraphy, and geophysical data of the USGS South Dover Bridge Core, Talbot County, Maryland: U.S. Geological Survey Open-File Report 2012-1218, Report: vi, 16 p.; Download Report, https://doi.org/10.3133/ofr20121218.","productDescription":"Report: vi, 16 p.; Download Report","numberOfPages":"20","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":240,"text":"Eastern Earth Surface Processes Team","active":false,"usgs":true}],"links":[{"id":264687,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2012_1218.jpg"},{"id":264685,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2012/1218/ofr2012-1218_MainBody.pdf"},{"id":264686,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/2012/1218/ofr2012-1218.zip"},{"id":264684,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2012/1218/"}],"country":"United States","state":"Maryl","county":"Talbot County","otherGeospatial":"South Dover Bridge Corehole","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -76.45,38.58 ], [ -76.45,38.94 ], [ -75.89,38.94 ], [ -75.89,38.58 ], [ -76.45,38.58 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50d49676e4b0c6073c901f55","contributors":{"authors":[{"text":"Aleman Gonzalez, Wilma B.","contributorId":98123,"corporation":false,"usgs":true,"family":"Aleman Gonzalez","given":"Wilma","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":470679,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Powars, David S. 0000-0002-6787-8964 dspowars@usgs.gov","orcid":"https://orcid.org/0000-0002-6787-8964","contributorId":1181,"corporation":false,"usgs":true,"family":"Powars","given":"David","email":"dspowars@usgs.gov","middleInitial":"S.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":470672,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Seefelt, Ellen 0000-0001-6822-7402 eseefelt@usgs.gov","orcid":"https://orcid.org/0000-0001-6822-7402","contributorId":2953,"corporation":false,"usgs":true,"family":"Seefelt","given":"Ellen","email":"eseefelt@usgs.gov","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":470675,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Edwards, Lucy E. 0000-0003-4075-3317 leedward@usgs.gov","orcid":"https://orcid.org/0000-0003-4075-3317","contributorId":2647,"corporation":false,"usgs":true,"family":"Edwards","given":"Lucy","email":"leedward@usgs.gov","middleInitial":"E.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":470674,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Self-Trail, Jean M. jstrail@usgs.gov","contributorId":2205,"corporation":false,"usgs":true,"family":"Self-Trail","given":"Jean","email":"jstrail@usgs.gov","middleInitial":"M.","affiliations":[{"id":596,"text":"U.S. Geological Survey National Center","active":false,"usgs":true}],"preferred":false,"id":470673,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Durand, Colleen T.","contributorId":80495,"corporation":false,"usgs":true,"family":"Durand","given":"Colleen","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":470678,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Schultz, Arthur P. aschultz@usgs.gov","contributorId":3252,"corporation":false,"usgs":true,"family":"Schultz","given":"Arthur","email":"aschultz@usgs.gov","middleInitial":"P.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":470676,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"McLaughlin, Peter P.","contributorId":40023,"corporation":false,"usgs":true,"family":"McLaughlin","given":"Peter P.","affiliations":[],"preferred":false,"id":470677,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70032434,"text":"70032434 - 2012 - A spatial cluster analysis of tractor overturns in Kentucky from 1960 to 2002","interactions":[],"lastModifiedDate":"2020-12-01T19:16:19.95915","indexId":"70032434","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2980,"text":"PLoS ONE","active":true,"publicationSubtype":{"id":10}},"title":"A spatial cluster analysis of tractor overturns in Kentucky from 1960 to 2002","docAbstract":"<p>Background:</p><p><span>Agricultural tractor overturns without rollover protective structures are the leading cause of farm fatalities in the United States. To our knowledge, no studies have incorporated the spatial scan statistic in identifying high-risk areas for tractor overturns. The aim of this study was to determine whether tractor overturns cluster in certain parts of Kentucky and identify factors associated with tractor overturns.</span></p><p><span>Methods:</span></p><p><span>A spatial statistical analysis using Kulldorff's spatial scan statistic was performed to identify county clusters at greatest risk for tractor overturns. A regression analysis was then performed to identify factors associated with tractor overturns.</span></p><p><span>Results:</span></p><p><span>The spatial analysis revealed a cluster of higher than expected tractor overturns in four counties in northern Kentucky (RR = 2.55) and 10 counties in eastern Kentucky (RR = 1.97). Higher rates of tractor overturns were associated with steeper average percent slope of pasture land by county (p = 0.0002) and a greater percent of total tractors with less than 40 horsepower by county (p&lt;0.0001).</span></p><p><span>Conclusions:</span></p><p><span>This study reveals that geographic hotspots of tractor overturns exist in Kentucky and identifies factors associated with overturns. This study provides policymakers a guide to targeted county-level interventions (e.g., roll-over protective structures promotion interventions) with the intention of reducing tractor overturns in the highest risk counties in Kentucky.</span></p>","language":"English","publisher":"PLoS","doi":"10.1371/journal.pone.0030532","issn":"19326203","usgsCitation":"Saman, D., Cole, H., Odoi, A., Myers, M., Carey, D., and Westneat, S., 2012, A spatial cluster analysis of tractor overturns in Kentucky from 1960 to 2002: PLoS ONE, v. 7, no. 1, e30532, 9 p., https://doi.org/10.1371/journal.pone.0030532.","productDescription":"e30532, 9 p.","costCenters":[],"links":[{"id":474673,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1371/journal.pone.0030532","text":"Publisher Index 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,{"id":70032601,"text":"70032601 - 2012 - Monitoring biodegradation of ethene and bioremediation of chlorinated ethenes at a contaminated site using compound-specific isotope analysis (CSIA)","interactions":[],"lastModifiedDate":"2013-06-04T14:55:06","indexId":"70032601","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Monitoring biodegradation of ethene and bioremediation of chlorinated ethenes at a contaminated site using compound-specific isotope analysis (CSIA)","docAbstract":"Chlorinated ethenes are commonly found in contaminated groundwater. Remediation strategies focus on transformation processes that will ultimately lead to nontoxic products. A major concern with these strategies is the possibility of incomplete dechlorination and accumulation of toxic daughter products (cis-1,2-dichloroethene (cDCE), vinyl chloride (VC)). Ethene mass balance can be used as a direct indicator to assess the effectiveness of dechlorination. However, the microbial processes that affect ethene are not well characterized and poor mass balance may reflect biotransformation of ethene rather than incomplete dechlorination. Microbial degradation of ethene is commonly observed in aerobic systems but fewer cases have been reported in anaerobic systems. Limited information is available on the isotope enrichment factors associated with these processes. Using compound-specific isotope analysis (CSIA) we determined the enrichment factors associated with microbial degradation of ethene in anaerobic microcosms (ε = −6.7‰ ± 0.4‰, and −4.0‰ ± 0.8‰) from cultures collected from the Twin Lakes wetland area at the Savannah River site in Georgia (United States), and in aerobic microcosms (ε = −3.0‰ ± 0.3‰) from Mycobacterium sp. strain JS60. Under anaerobic and aerobic conditions, CSIA can be used to determine whether biotransformation of ethene is occurring in addition to biodegradation of the chlorinated ethenes. Using δ13C values determined for ethene and for chlorinated ethenes at a contaminated field site undergoing bioremediation, this study demonstrates how CSIA of ethene can be used to reduce uncertainty and risk at a site by distinguishing between actual mass balance deficits during reductive dechlorination and apparent lack of mass balance that is related to biotransformation of ethene.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Science and Technology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"ACS Publications","doi":"10.1021/es202792x","issn":"0013936X","usgsCitation":"Mundle, S., Johnson, T., Lacrampe-Couloume, G., Perez-De-Mora, A., Duhamel, M., Edwards, E., McMaster, M., Cox, E., Revesz, K., and Lollar, B.S., 2012, Monitoring biodegradation of ethene and bioremediation of chlorinated ethenes at a contaminated site using compound-specific isotope analysis (CSIA): Environmental Science & Technology, v. 46, no. 3, p. 1731-1738, https://doi.org/10.1021/es202792x.","productDescription":"8 p.","startPage":"1731","endPage":"1738","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":213977,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/es202792x"},{"id":241655,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"46","issue":"3","noUsgsAuthors":false,"publicationDate":"2012-01-19","publicationStatus":"PW","scienceBaseUri":"505a5d90e4b0c8380cd70462","contributors":{"authors":[{"text":"Mundle, S.O.C.","contributorId":107112,"corporation":false,"usgs":true,"family":"Mundle","given":"S.O.C.","email":"","affiliations":[],"preferred":false,"id":437013,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, T.","contributorId":45392,"corporation":false,"usgs":true,"family":"Johnson","given":"T.","email":"","affiliations":[],"preferred":false,"id":437006,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lacrampe-Couloume, G.","contributorId":29228,"corporation":false,"usgs":true,"family":"Lacrampe-Couloume","given":"G.","email":"","affiliations":[],"preferred":false,"id":437005,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Perez-De-Mora, A.","contributorId":46780,"corporation":false,"usgs":true,"family":"Perez-De-Mora","given":"A.","email":"","affiliations":[],"preferred":false,"id":437008,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Duhamel, M.","contributorId":17434,"corporation":false,"usgs":true,"family":"Duhamel","given":"M.","email":"","affiliations":[],"preferred":false,"id":437004,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Edwards, E.A.","contributorId":93713,"corporation":false,"usgs":true,"family":"Edwards","given":"E.A.","email":"","affiliations":[],"preferred":false,"id":437010,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"McMaster, M.L.","contributorId":45912,"corporation":false,"usgs":true,"family":"McMaster","given":"M.L.","email":"","affiliations":[],"preferred":false,"id":437007,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Cox, E.","contributorId":77883,"corporation":false,"usgs":true,"family":"Cox","given":"E.","email":"","affiliations":[],"preferred":false,"id":437009,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Revesz, K.","contributorId":95202,"corporation":false,"usgs":true,"family":"Revesz","given":"K.","affiliations":[],"preferred":false,"id":437011,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Lollar, B. Sherwood","contributorId":106719,"corporation":false,"usgs":true,"family":"Lollar","given":"B.","email":"","middleInitial":"Sherwood","affiliations":[],"preferred":false,"id":437012,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70044362,"text":"70044362 - 2012 - Climate variability during the Medieval Climate Anomaly and Little Ice Age based on ostracod faunas and shell geochemistry from Biscayne Bay, Florida","interactions":[],"lastModifiedDate":"2022-12-27T16:33:49.06079","indexId":"70044362","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"subseriesTitle":"Developments in Quaternary Sciences","chapter":"14","title":"Climate variability during the Medieval Climate Anomaly and Little Ice Age based on ostracod faunas and shell geochemistry from Biscayne Bay, Florida","docAbstract":"<p><span>An 800-year-long environmental history of Biscayne Bay, Florida, is reconstructed from ostracod faunal and shell geochemical (oxygen, carbon isotopes, Mg/Ca ratios) studies of sediment cores from three mudbanks in the central and southern parts of the bay. Using calibrations derived from analyses of modern Biscayne and Florida Bay ostracods, palaeosalinity oscillations associated with changes in precipitation were identified. These oscillations reflect multidecadal- and centennial-scale climate variability associated with the Atlantic Multidecadal Oscillation during the late Medieval Climate Anomaly (MCA) and the Little Ice Age (LIA). Evidence suggests wetter regional climate during the MCA and drier conditions during the LIA. In addition, twentieth century anthropogenic modifications to Everglades hydrology influenced bay circulation and/or processes controlling carbon isotopic composition.</span></p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Ostracoda as proxies for quaternary climate change","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","doi":"10.1016/B978-0-444-53636-5.00014-7","usgsCitation":"Cronin, T.M., Wingard, G.L., Dwyer, G., Swart, P.K., Willard, D.A., and Albietz, J., 2012, Climate variability during the Medieval Climate Anomaly and Little Ice Age based on ostracod faunas and shell geochemistry from Biscayne Bay, Florida, chap. 14 <i>of</i> Ostracoda as proxies for quaternary climate change, v. 17, p. 241-262, https://doi.org/10.1016/B978-0-444-53636-5.00014-7.","productDescription":"22 p.","startPage":"241","endPage":"262","numberOfPages":"22","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-021778","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":271305,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Biscayne Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -80.16998291015625,\n              25.68856292610355\n            ],\n            [\n              -80.1507568359375,\n              25.729395396693132\n            ],\n            [\n              -80.19058227539062,\n              25.76526690492097\n            ],\n            [\n              -80.23727416992188,\n              25.739292066931647\n            ],\n            [\n              -80.25238037109375,\n              25.68732535984301\n            ],\n            [\n              -80.28396606445312,\n              25.62914524992192\n            ],\n            [\n              -80.30593872070311,\n              25.618001141542337\n            ],\n            [\n              -80.30868530273438,\n              25.564742726875785\n            ],\n            [\n              -80.321044921875,\n              25.541202389740473\n            ],\n            [\n              -80.33340454101562,\n              25.533767638544543\n            ],\n            [\n              -80.34439086914062,\n              25.485430526043555\n            ],\n            [\n              -80.33477783203125,\n              25.433353427832156\n            ],\n            [\n              -80.321044921875,\n              25.381253810395094\n            ],\n            [\n              -80.34027099609375,\n              25.33657909726809\n            ],\n            [\n              -80.31417846679686,\n              25.30554528239941\n            ],\n            [\n              -80.28259277343749,\n              25.31920114076412\n            ],\n            [\n              -80.25238037109375,\n              25.36760495535992\n            ],\n            [\n              -80.21255493164061,\n              25.40854689267053\n            ],\n            [\n              -80.1947021484375,\n              25.45443496795258\n            ],\n            [\n              -80.18096923828124,\n              25.501545058832342\n            ],\n            [\n              -80.15487670898438,\n              25.67866203603157\n            ],\n            [\n              -80.16998291015625,\n              25.68856292610355\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"17","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5173b8e6e4b0e619a5806ed9","contributors":{"authors":[{"text":"Cronin, Thomas M. 0000-0002-2643-0979 tcronin@usgs.gov","orcid":"https://orcid.org/0000-0002-2643-0979","contributorId":2579,"corporation":false,"usgs":true,"family":"Cronin","given":"Thomas","email":"tcronin@usgs.gov","middleInitial":"M.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":475373,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wingard, G. Lynn 0000-0002-3833-5207 lwingard@usgs.gov","orcid":"https://orcid.org/0000-0002-3833-5207","contributorId":605,"corporation":false,"usgs":true,"family":"Wingard","given":"G.","email":"lwingard@usgs.gov","middleInitial":"Lynn","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":475375,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dwyer, Gary S.","contributorId":67642,"corporation":false,"usgs":true,"family":"Dwyer","given":"Gary S.","affiliations":[],"preferred":false,"id":475372,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Swart, Peter K.","contributorId":96832,"corporation":false,"usgs":false,"family":"Swart","given":"Peter","email":"","middleInitial":"K.","affiliations":[{"id":5112,"text":"University of Miami","active":true,"usgs":false}],"preferred":false,"id":475377,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Willard, Debra A. 0000-0003-4878-0942 dwillard@usgs.gov","orcid":"https://orcid.org/0000-0003-4878-0942","contributorId":2076,"corporation":false,"usgs":true,"family":"Willard","given":"Debra","email":"dwillard@usgs.gov","middleInitial":"A.","affiliations":[{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true},{"id":24693,"text":"Climate Research and Development","active":true,"usgs":true}],"preferred":true,"id":475376,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Albietz, Jessica","contributorId":108207,"corporation":false,"usgs":true,"family":"Albietz","given":"Jessica","email":"","affiliations":[],"preferred":false,"id":475374,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70174147,"text":"70174147 - 2012 - Hermit Thrush (<i>Catharus guttatus</i>)","interactions":[],"lastModifiedDate":"2017-04-19T14:28:59","indexId":"70174147","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5033,"text":"The Birds of North America","active":true,"publicationSubtype":{"id":10}},"title":"Hermit Thrush (<i>Catharus guttatus</i>)","docAbstract":"<p>With spotted breast and reddish tail, the Hermit Thrush lives up to its name. Although celebrated for its ethereal song, it is mostly a quiet and unobtrusive bird that spends much of its time in the lower branches of the undergrowth or on the forest floor, often seen flicking its wings while perched and quickly raising and slowly lowering its tail. A highly variable species in color and size, the Hermit Thrush's morphological characteristics and plumage have been well studied, with 12-13 subspecies now recognized (see Systematics).</p><p>This thrush is one of the most widely distributed forest-nesting migratory birds in North America and the only forest thrush whose population has increased or remained stable over the past 20 years. Its extensive breeding range includes the northern hardwood forest, as well as most of the boreal and mountainous coniferous forest areas north of Mexico, with relatively recent expansions into New England and the southern Appalachians. In migration, the species moves to lower elevations and southward, spreading out to winter over much of the southern United States, through Mexico to Guatemala and east to Bermuda. It is the only species of <i class=\"SciName\">Catharus</i> that winters in North America, switching from a breeding diet of mainly arthropods to a wintering diet heavily supplemented with fruits.</p><p>Much has been learned about this widely distributed species since the original Birds of North America account of 1996. New information pertaining to its song, migratory behavior, winter territoriality, survival, and diet has been added, as well as many new insights into the potential effects of forest management and other human disturbances. Still lacking are detailed nesting studies, studies of juvenile dispersal, of daily activities and time budgets, and of migratory routes.</p>","language":"English","publisher":"Cornell University","doi":"10.2173/bna.261","usgsCitation":"Wood, P., and Donovan, T., 2012, Hermit Thrush (<i>Catharus guttatus</i>): The Birds of North America, https://doi.org/10.2173/bna.261.","ipdsId":"IP-031968","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":339984,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58f877c3e4b0b7ea54521c42","contributors":{"authors":[{"text":"Wood, Petra pbwood@usgs.gov","contributorId":169812,"corporation":false,"usgs":true,"family":"Wood","given":"Petra","email":"pbwood@usgs.gov","affiliations":[{"id":34541,"text":"West Virginia Cooperative Fish and Wildlife Research Unit","active":true,"usgs":false},{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":false,"id":640994,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Donovan, Therese M. tdonovan@usgs.gov","contributorId":2653,"corporation":false,"usgs":true,"family":"Donovan","given":"Therese M.","email":"tdonovan@usgs.gov","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":692207,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70176229,"text":"70176229 - 2012 - Definition of Greater Gulf Basin Lower Cretaceous and Upper Cretaceous lower Cenomanian Shale Gas Assessment Unit, United States Gulf of Mexico basin onshore and state waters","interactions":[],"lastModifiedDate":"2018-07-31T11:24:49","indexId":"70176229","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3365,"text":"Search and Discovery","active":true,"publicationSubtype":{"id":10}},"title":"Definition of Greater Gulf Basin Lower Cretaceous and Upper Cretaceous lower Cenomanian Shale Gas Assessment Unit, United States Gulf of Mexico basin onshore and state waters","docAbstract":"<p>An assessment unit (AU) for undiscovered continuous “shale” gas in Lower Cretaceous (Aptian and Albian) and basal Upper Cretaceous (lower Cenomanian) rocks in the USA onshore Gulf of Mexico coastal plain recently was defined by the U.S. Geological Survey (USGS). The AU is part of the Upper Jurassic-Cretaceous-Tertiary Composite Total Petroleum System (TPS) of the Gulf of Mexico Basin. Definition of the AU was conducted as part of the 2010 USGS assessment of undiscovered hydrocarbon resources in Gulf Coast Mesozoic stratigraphic intervals. The purpose of defining the Greater Gulf Basin Lower Cretaceous Shale Gas AU was to propose a hypothetical AU in the Cretaceous part of the Gulf Coast TPS in which there might be continuous “shale” gas, but the AU was not quantitatively assessed by the USGS in 2010. </p>","language":"English","publisher":"AAPG","usgsCitation":"Dennen, K., and Hackley, P.C., 2012, Definition of Greater Gulf Basin Lower Cretaceous and Upper Cretaceous lower Cenomanian Shale Gas Assessment Unit, United States Gulf of Mexico basin onshore and state waters: Search and Discovery, Article #10429: 37 p.","productDescription":"Article #10429: 37 p.","ipdsId":"IP-033164","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":328240,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":356057,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.searchanddiscovery.com/"}],"publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57cfe8b1e4b04836416a0d4b","contributors":{"authors":[{"text":"Dennen, Kristin O.","contributorId":61437,"corporation":false,"usgs":true,"family":"Dennen","given":"Kristin O.","affiliations":[],"preferred":false,"id":647917,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hackley, Paul C. 0000-0002-5957-2551 phackley@usgs.gov","orcid":"https://orcid.org/0000-0002-5957-2551","contributorId":592,"corporation":false,"usgs":true,"family":"Hackley","given":"Paul","email":"phackley@usgs.gov","middleInitial":"C.","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true},{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":647918,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70191928,"text":"70191928 - 2012 - Origins of mineral deposits, Belt-Purcell Basin, United States and Canada: An introduction","interactions":[],"lastModifiedDate":"2020-12-30T16:31:08.376241","indexId":"70191928","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Origins of mineral deposits, Belt-Purcell Basin, United States and Canada: An introduction","docAbstract":"<p><span>The fill of the Mesoproterozoic Belt-Purcell Basin, which straddles the United States-Canada border within the Rocky Mountains of western North America (</span><a class=\"link link-reveal link-table xref-fig\" data-open=\"f1-1071081\">Fig. 1</a><span>), consists of marine and nonmarine clastic and carbonate strata 15 to 20 km thick. Three giant metal-producing ore deposits or districts account for the bulk of the known metal endowment within the bounds of the Belt-Purcell Basin: (1) the syndepositional Sullivan Pb-Zn-Ag deposit in southern British Columbia (total production: Pb, 8.4 million tonnes [Mt]; Zn, 7.9 Mt; Ag, 0.0093 Mt;&nbsp;</span><a class=\"link link-ref link-reveal xref-bibr\" data-open=\"b35-1071081\">Lydon, 2000</a><span>), (2) the mesothermal Pb-Zn-Ag veins of the Coeur d’Alene district in northern Idaho (total production: Pb, 7.5 Mt; Zn, 3.0 Mt; Ag, 0.052 Mt;&nbsp;</span><a class=\"link link-ref link-reveal xref-bibr\" data-open=\"b32-1071081\">Long, 1998</a><span>; post-1997 data from USGS Annual Minerals Yearbooks), and (3) the Cretaceous porphyry copper deposit and associated polymetallic veins in the Butte district in Montana (total resource: Cu, 35 Mt; Zn, 4.6 Mt; Ag, 0.044 Mt;&nbsp;</span><a class=\"link link-ref link-reveal xref-bibr\" data-open=\"b32-1071081\">Long et al., 1998</a><span>). The Sullivan Mine closed in 2001 after more than 92 years of production. Mining of 26 major vein deposits in the Coeur d’Alene district began in the 1880s and peaked about 1950. Production in the Coeur d’Alene district continues today from the Galena and Lucky Friday Mines (the latter closed for 2012 to refurbish the mile-deep vertical access shaft). Mining at Butte began in 1875, with copper production peaking in 1917. Mining continues today in the eastern upfaulted portion of the Butte porphyry copper deposit at the Continental Mine.</span></p>","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/econgeo.107.6.1081","usgsCitation":"Box, S.E., Bookstrom, A.A., and Anderson, R.G., 2012, Origins of mineral deposits, Belt-Purcell Basin, United States and Canada: An introduction: Economic Geology, v. 107, no. 6, p. 1081-1088, https://doi.org/10.2113/econgeo.107.6.1081.","productDescription":"8 p.","startPage":"1081","endPage":"1088","ipdsId":"IP-035764","costCenters":[{"id":662,"text":"Western Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":349517,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"Alberta, British Columbia, Idaho, Montana","otherGeospatial":"Belt-Purcell Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -117.02636718749999,\n              45.85941212790755\n            ],\n            [\n              -111.4892578125,\n              45.85941212790755\n            ],\n            [\n              -111.4892578125,\n              50.62507306341435\n            ],\n            [\n              -117.02636718749999,\n              50.62507306341435\n            ],\n            [\n              -117.02636718749999,\n              45.85941212790755\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"107","issue":"6","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"5a6105a1e4b06e28e9c25587","contributors":{"authors":[{"text":"Box, Stephen E. 0000-0002-5268-8375 sbox@usgs.gov","orcid":"https://orcid.org/0000-0002-5268-8375","contributorId":1843,"corporation":false,"usgs":true,"family":"Box","given":"Stephen","email":"sbox@usgs.gov","middleInitial":"E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":713743,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bookstrom, Arthur A. 0000-0003-1336-3364 abookstrom@usgs.gov","orcid":"https://orcid.org/0000-0003-1336-3364","contributorId":1542,"corporation":false,"usgs":true,"family":"Bookstrom","given":"Arthur","email":"abookstrom@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":5056,"text":"Office of the AD Energy and Minerals, and Environmental Health","active":true,"usgs":true}],"preferred":true,"id":713742,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Anderson, Robert G.","contributorId":197569,"corporation":false,"usgs":false,"family":"Anderson","given":"Robert","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":713744,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
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