{"pageNumber":"820","pageRowStart":"20475","pageSize":"25","recordCount":40777,"records":[{"id":70034216,"text":"70034216 - 2010 - Summer spatial patterning of chukars in relation to free water in Western Utah","interactions":[],"lastModifiedDate":"2012-03-12T17:21:46","indexId":"70034216","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2602,"text":"Landscape Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Summer spatial patterning of chukars in relation to free water in Western Utah","docAbstract":"Free water is considered important to wildlife in arid regions. In the western United States, thousands of water developments have been built to benefit wildlife in arid landscapes. Agencies and researchers have yet to clearly demonstrate their effectiveness. We combined a spatial analysis of summer chukar (Alectoris chukar) covey locations with dietary composition analysis in western Utah. Our specific objectives were to determine if chukars showed a spatial pattern that suggested association with free water in four study areas and to document summer dietary moisture content in relation to average distance from water. The observed data for the Cedar Mountains study area fell within the middle of the random mean distance to water distribution suggesting no association with free water. The observed mean distance to water for the other three areas was much closer than expected compared to a random spatial process, suggesting the importance of free water to these populations. Dietary moisture content of chukar food items from the Cedar Mountains (59%) was significantly greater (P < 0.05) than that of birds from Box Elder (44%) and Keg-Dugway (44%). Water developments on the Cedar Mountains are likely ineffective for chukars. Spatial patterns on the other areas, however, suggest association with free water and our results demonstrate the need for site-specific considerations. Researchers should be aware of the potential to satisfy water demand with pre-formed and metabolic water for a variety of species in studies that address the effects of wildlife water developments. We encourage incorporation of spatial structure in model error components in future ecological research. ?? Springer Science+Business Media B.V. 2009.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Landscape Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s10980-009-9407-z","issn":"09212973","usgsCitation":"Larsen, R., Bissonette, J., Flinders, J., Hooten, M., and Wilson, T., 2010, Summer spatial patterning of chukars in relation to free water in Western Utah: Landscape Ecology, v. 25, no. 1, p. 135-145, https://doi.org/10.1007/s10980-009-9407-z.","startPage":"135","endPage":"145","numberOfPages":"11","costCenters":[],"links":[{"id":216636,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10980-009-9407-z"},{"id":244518,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"1","noUsgsAuthors":false,"publicationDate":"2009-09-17","publicationStatus":"PW","scienceBaseUri":"505b9f43e4b08c986b31e458","contributors":{"authors":[{"text":"Larsen, R.T.","contributorId":6693,"corporation":false,"usgs":true,"family":"Larsen","given":"R.T.","email":"","affiliations":[],"preferred":false,"id":444658,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bissonette, J.A.","contributorId":21498,"corporation":false,"usgs":true,"family":"Bissonette","given":"J.A.","email":"","affiliations":[],"preferred":false,"id":444659,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Flinders, J.T.","contributorId":43703,"corporation":false,"usgs":true,"family":"Flinders","given":"J.T.","email":"","affiliations":[],"preferred":false,"id":444660,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hooten, M.B.","contributorId":50261,"corporation":false,"usgs":true,"family":"Hooten","given":"M.B.","email":"","affiliations":[],"preferred":false,"id":444661,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wilson, T.L.","contributorId":78561,"corporation":false,"usgs":true,"family":"Wilson","given":"T.L.","email":"","affiliations":[],"preferred":false,"id":444662,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70034224,"text":"70034224 - 2010 - Predicting performance for ecological restoration: A case study using Spartina altemiflora","interactions":[],"lastModifiedDate":"2012-03-12T17:21:46","indexId":"70034224","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Predicting performance for ecological restoration: A case study using Spartina altemiflora","docAbstract":"The success of population-based ecological restoration relies on the growth and reproductive performance of selected donor materials, whether consisting of whole plants or seed. Accurately predicting performance requires an understanding of a variety of underlying processes, particularly gene flow and selection, which can be measured, at least in part, using surrogates such as neutral marker genetic distances and simple latitudinal effects. Here we apply a structural equation modeling approach to understanding and predicting performance in a widespread salt marsh grass, Spartina alterniflora, commonly used for ecological restoration throughout its native range in North America. We collected source materials from throughout this range, consisting of eight clones each from 23 populations, for transplantation to a common garden site in coastal Louisiana and monitored their performance. We modeled performance as a latent process described by multiple indicator variables (e.g., clone diameter, stem number) and estimated direct and indirect influences of geographic and genetic distances on performance. Genetic distances were determined by comparison of neutral molecular markers with those from a local population at the common garden site. Geographic distance metrics included dispersal distance (the minimum distance over water between donor and experimental sites) and latitude. Model results indicate direct effects of genetic distance and latitude on performance variation among the donor sites. Standardized effect strengths indicate that performance was roughly twice as sensitive to variation in genetic distance as to latitudinal variation. Dispersal distance had an indirect influence on performance through effects on genetic distance, indicating a typical pattern of genetic isolation by distance. Latitude also had an indirect effect on genetic distance through its linear relationship with dispersal distance. Three performance indicators had significant loadings on performance alone (mean clone diameter, mean number of stems, mean number of inflorescences), while the performance indicators mean stem height and mean stem width were also influenced by latitude. We suggest that dispersal distance and latitude should provide an adequate means of predicting performance in future S. alterniflora restorations and propose a maximum sampling distance of 300 km (holding latitude constant) to avoid the sampling of inappropriate ecotypes. ?? 2010 by the Ecological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1890/08-1443.1","issn":"10510761","usgsCitation":"Travis, S., and Grace, J., 2010, Predicting performance for ecological restoration: A case study using Spartina altemiflora: Ecological Applications, v. 20, no. 1, p. 192-204, https://doi.org/10.1890/08-1443.1.","startPage":"192","endPage":"204","numberOfPages":"13","costCenters":[],"links":[{"id":475940,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1890/08-1443.1","text":"Publisher Index Page"},{"id":216729,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1890/08-1443.1"},{"id":244615,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a81c1e4b0c8380cd7b6f1","contributors":{"authors":[{"text":"Travis, S.E. 0000-0001-9338-8953","orcid":"https://orcid.org/0000-0001-9338-8953","contributorId":28718,"corporation":false,"usgs":true,"family":"Travis","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":444695,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Grace, J.B. 0000-0001-6374-4726","orcid":"https://orcid.org/0000-0001-6374-4726","contributorId":38938,"corporation":false,"usgs":true,"family":"Grace","given":"J.B.","affiliations":[],"preferred":false,"id":444696,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70037175,"text":"70037175 - 2010 - Recorded motions of the 6 April 2009 Mw 6.3 L'Aquila, Italy, earthquake and implications for building structural damage: Overview","interactions":[],"lastModifiedDate":"2013-02-14T13:17:57","indexId":"70037175","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1436,"text":"Earthquake Spectra","active":true,"publicationSubtype":{"id":10}},"title":"Recorded motions of the 6 April 2009 Mw 6.3 L'Aquila, Italy, earthquake and implications for building structural damage: Overview","docAbstract":"The normal-faulting earthquake of 6 April 2009 in the Abruzzo Region of central Italy caused heavy losses of life and substantial damage to centuriesold buildings of significant cultural importance and to modern reinforcedconcrete- framed buildings with hollow masonry infill walls. Although structural deficiencies were significant and widespread, the study of the characteristics of strong motion data from the heavily affected area indicated that the short duration of strong shaking may have spared many more damaged buildings from collapsing. It is recognized that, with this caveat of shortduration shaking, the infill walls may have played a very important role in preventing further deterioration or collapse of many buildings. It is concluded that better new or retrofit construction practices that include reinforcedconcrete shear walls may prove helpful in reducing risks in such seismic areas of Italy, other Mediterranean countries, and even in United States, where there are large inventories of deficient structures. ?? 2010, Earthquake Engineering Research Institute.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Earthquake Spectra","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1193/1.3450317","issn":"87552930","usgsCitation":"Çelebi, M., Bazzurro, P., Chiaraluce, L., Clemente, P., Decanini, L., Desortis, A., Ellsworth, W., Gorini, A., Kalkan, E., Marcucci, S., Milana, G., Mollaioli, F., Olivieri, M., Paolucci, R., Rinaldis, D., Rovelli, A., Sabetta, F., and Stephens, C., 2010, Recorded motions of the 6 April 2009 Mw 6.3 L'Aquila, Italy, earthquake and implications for building structural damage: Overview: Earthquake Spectra, v. 26, no. 3, p. 651-684, https://doi.org/10.1193/1.3450317.","startPage":"651","endPage":"684","numberOfPages":"34","costCenters":[],"links":[{"id":217080,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1193/1.3450317"},{"id":267400,"type":{"id":11,"text":"Document"},"url":"https://nsmp.wr.usgs.gov/ekalkan/PDFs/A63_Celebi_et_al.pdf"},{"id":244993,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"26","issue":"3","noUsgsAuthors":false,"publicationDate":"2010-08-01","publicationStatus":"PW","scienceBaseUri":"50e4a284e4b0e8fec6cdb62d","contributors":{"authors":[{"text":"Çelebi, M.","contributorId":36946,"corporation":false,"usgs":true,"family":"Çelebi","given":"M.","affiliations":[],"preferred":false,"id":459743,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bazzurro, P.","contributorId":90537,"corporation":false,"usgs":true,"family":"Bazzurro","given":"P.","email":"","affiliations":[],"preferred":false,"id":459750,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chiaraluce, L.","contributorId":61226,"corporation":false,"usgs":true,"family":"Chiaraluce","given":"L.","affiliations":[],"preferred":false,"id":459748,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clemente, P.","contributorId":100536,"corporation":false,"usgs":true,"family":"Clemente","given":"P.","email":"","affiliations":[],"preferred":false,"id":459752,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Decanini, L.","contributorId":53199,"corporation":false,"usgs":true,"family":"Decanini","given":"L.","email":"","affiliations":[],"preferred":false,"id":459746,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Desortis, A.","contributorId":107529,"corporation":false,"usgs":true,"family":"Desortis","given":"A.","email":"","affiliations":[],"preferred":false,"id":459753,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ellsworth, W.","contributorId":59967,"corporation":false,"usgs":true,"family":"Ellsworth","given":"W.","email":"","affiliations":[],"preferred":false,"id":459747,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Gorini, A.","contributorId":99402,"corporation":false,"usgs":true,"family":"Gorini","given":"A.","email":"","affiliations":[],"preferred":false,"id":459751,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kalkan, E. 0000-0002-9138-9407","orcid":"https://orcid.org/0000-0002-9138-9407","contributorId":8212,"corporation":false,"usgs":true,"family":"Kalkan","given":"E.","affiliations":[],"preferred":false,"id":459736,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Marcucci, S.","contributorId":45931,"corporation":false,"usgs":true,"family":"Marcucci","given":"S.","email":"","affiliations":[],"preferred":false,"id":459745,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Milana, G.","contributorId":23700,"corporation":false,"usgs":true,"family":"Milana","given":"G.","email":"","affiliations":[],"preferred":false,"id":459739,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Mollaioli, F.","contributorId":28458,"corporation":false,"usgs":true,"family":"Mollaioli","given":"F.","email":"","affiliations":[],"preferred":false,"id":459740,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Olivieri, M.","contributorId":20190,"corporation":false,"usgs":true,"family":"Olivieri","given":"M.","email":"","affiliations":[],"preferred":false,"id":459738,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Paolucci, R.","contributorId":76577,"corporation":false,"usgs":true,"family":"Paolucci","given":"R.","email":"","affiliations":[],"preferred":false,"id":459749,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Rinaldis, D.","contributorId":30483,"corporation":false,"usgs":true,"family":"Rinaldis","given":"D.","email":"","affiliations":[],"preferred":false,"id":459742,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Rovelli, A.","contributorId":12718,"corporation":false,"usgs":true,"family":"Rovelli","given":"A.","email":"","affiliations":[],"preferred":false,"id":459737,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Sabetta, F.","contributorId":28459,"corporation":false,"usgs":true,"family":"Sabetta","given":"F.","email":"","affiliations":[],"preferred":false,"id":459741,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Stephens, C.","contributorId":44169,"corporation":false,"usgs":true,"family":"Stephens","given":"C.","email":"","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":459744,"contributorType":{"id":1,"text":"Authors"},"rank":18}]}}
,{"id":70034225,"text":"70034225 - 2010 - The anatomy of a (potential) disaster: Volcanoes, behavior, and population viability of the short-tailed albatross (Phoebastria albatrus)","interactions":[],"lastModifiedDate":"2012-03-12T17:21:46","indexId":"70034225","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1015,"text":"Biological Conservation","active":true,"publicationSubtype":{"id":10}},"title":"The anatomy of a (potential) disaster: Volcanoes, behavior, and population viability of the short-tailed albatross (Phoebastria albatrus)","docAbstract":"Catastrophic events, either from natural (e.g., hurricane) or human-induced (e.g., forest clear-cut) processes, are a well-known threat to wild populations. However, our lack of knowledge about population-level effects of catastrophic events has inhibited the careful examination of how catastrophes affect population growth and persistence. For the critically endangered short-tailed albatross (Phoebastria albatrus), episodic volcanic eruptions are considered a serious catastrophic threat since approximately 80% of the global population of ???2500 birds (in 2006) currently breeds on an active volcano, Torishima Island. We evaluated how short-tailed albatross population persistence is affected by the catastrophic threat of a volcanic eruption relative to chronic threats. We also provide an example for overcoming the seemingly overwhelming problems created by modelling the population dynamics of a species with limited demographic data by incorporating uncertainty in our analysis. As such, we constructed a stochastic age-based matrix model that incorporated both catastrophic mortality due to volcanic eruptions and chronic mortality from several potential sources (e.g., contaminant exposure, fisheries bycatch) to determine the relative effects of these two types of threats on short-tailed albatross population growth and persistence. Modest increases (1%) in chronic (annual) mortality had a 2.5-fold greater effect on predicted short-tailed albatross stochastic population growth rate (lambda) than did the occurrence of periodic volcanic eruptions that follow historic eruption frequencies (annual probability of eruption 2.2%). Our work demonstrates that periodic catastrophic volcanic eruptions, despite their dramatic nature, are less likely to affect the population viability and recovery of short-tailed albatross than low-level chronic mortality. ?? 2009 Elsevier Ltd.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Biological Conservation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.biocon.2009.10.013","issn":"00063207","usgsCitation":"Finkelstein, M., Wolf, S., Goldman, M., Doak, D., Sievert, P., Balogh, G., and Hasegawa, H., 2010, The anatomy of a (potential) disaster: Volcanoes, behavior, and population viability of the short-tailed albatross (Phoebastria albatrus): Biological Conservation, v. 143, no. 2, p. 321-331, https://doi.org/10.1016/j.biocon.2009.10.013.","startPage":"321","endPage":"331","numberOfPages":"11","costCenters":[],"links":[{"id":216730,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.biocon.2009.10.013"},{"id":244616,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"143","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba9bce4b08c986b32248e","contributors":{"authors":[{"text":"Finkelstein, M.E.","contributorId":94885,"corporation":false,"usgs":true,"family":"Finkelstein","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":444702,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wolf, S.","contributorId":76869,"corporation":false,"usgs":true,"family":"Wolf","given":"S.","affiliations":[],"preferred":false,"id":444700,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Goldman, M.","contributorId":84540,"corporation":false,"usgs":true,"family":"Goldman","given":"M.","affiliations":[],"preferred":false,"id":444701,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Doak, D.F.","contributorId":39729,"corporation":false,"usgs":true,"family":"Doak","given":"D.F.","email":"","affiliations":[],"preferred":false,"id":444697,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sievert, P.R.","contributorId":104858,"corporation":false,"usgs":true,"family":"Sievert","given":"P.R.","email":"","affiliations":[],"preferred":false,"id":444703,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Balogh, G.","contributorId":42461,"corporation":false,"usgs":true,"family":"Balogh","given":"G.","email":"","affiliations":[],"preferred":false,"id":444698,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hasegawa, H.","contributorId":48416,"corporation":false,"usgs":true,"family":"Hasegawa","given":"H.","email":"","affiliations":[],"preferred":false,"id":444699,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70034226,"text":"70034226 - 2010 - Polychlorinated biphenyls, dioxins, furans, and organochlorine pesticides in spotted sandpiper eggs from the upper Hudson River basin, New York","interactions":[],"lastModifiedDate":"2018-10-20T10:53:00","indexId":"70034226","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1479,"text":"Ecotoxicology","active":true,"publicationSubtype":{"id":10}},"title":"Polychlorinated biphenyls, dioxins, furans, and organochlorine pesticides in spotted sandpiper eggs from the upper Hudson River basin, New York","docAbstract":"<p><span>In 2004, spotted sandpipers (</span><i class=\"EmphasisTypeItalic \">Actitis macularia</i><span>) were studied on the Hudson River near Fort Edward south to New Baltimore, NY and on two river drainages that flow into the Hudson River. Concentrations of 28 organochlorine pesticides, 160 polychlorinated biphenyl (PCB) congeners, and 17 dioxin and furan (PCDD-F) congeners were quantified in eggs collected on and off the Hudson River. The pattern of organochlorine pesticides and PCDD-F congeners did not differ significantly between eggs collected on and off the Hudson River. In contrast, the pattern of PCB congeners differed significantly between the Hudson River and other rivers. Total PCBs were significantly greater in eggs from the Hudson River (geometric mean&nbsp;=&nbsp;9.1&nbsp;μg PCBs/g wet weight) than from the other two rivers (0.6 and 0.6&nbsp;μg PCBs/g wet weight). Seven of 35 (20%) eggs exceeded 20&nbsp;μg PCBs/g wet weight, the estimated threshold for reduced hatching in tree swallows (</span><i class=\"EmphasisTypeItalic \">Tachycineta bicolor</i><span>) and some raptor species; the maximum concentration was 72.3&nbsp;μg PCBs/g wet weight. Models that predicted nest survival and egg success (the proportion of eggs hatching in a clutch if at least one egg hatched) as functions of contaminant levels were poorly distinguished from models that presumed no such associations. While small sample size could have contributed to the inability to distinguish among contaminant and no toxicant models, we cannot rule out the possibility that contaminant concentrations on the Hudson River were not sufficiently high to demonstrate a relationship between contaminant concentrations and reproductive success.</span></p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecotoxicology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","doi":"10.1007/s10646-009-0425-z","issn":"09639292","usgsCitation":"Custer, T.W., Custer, C.M., and Gray, B.R., 2010, Polychlorinated biphenyls, dioxins, furans, and organochlorine pesticides in spotted sandpiper eggs from the upper Hudson River basin, New York: Ecotoxicology, v. 19, no. 2, p. 391-404, https://doi.org/10.1007/s10646-009-0425-z.","productDescription":"14 p.","startPage":"391","endPage":"404","numberOfPages":"14","costCenters":[{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true}],"links":[{"id":244648,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216761,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10646-009-0425-z"}],"country":"United States","state":"New York","otherGeospatial":"Hudson River","volume":"19","issue":"2","noUsgsAuthors":false,"publicationDate":"2009-10-07","publicationStatus":"PW","scienceBaseUri":"505a7cf5e4b0c8380cd79c87","contributors":{"authors":[{"text":"Custer, Thomas W. 0000-0003-3170-6519 tcuster@usgs.gov","orcid":"https://orcid.org/0000-0003-3170-6519","contributorId":2835,"corporation":false,"usgs":true,"family":"Custer","given":"Thomas","email":"tcuster@usgs.gov","middleInitial":"W.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":444706,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Custer, Christine M. 0000-0003-0500-1582 ccuster@usgs.gov","orcid":"https://orcid.org/0000-0003-0500-1582","contributorId":1143,"corporation":false,"usgs":true,"family":"Custer","given":"Christine","email":"ccuster@usgs.gov","middleInitial":"M.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":444705,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gray, Brian R. 0000-0001-7682-9550 brgray@usgs.gov","orcid":"https://orcid.org/0000-0001-7682-9550","contributorId":2615,"corporation":false,"usgs":true,"family":"Gray","given":"Brian","email":"brgray@usgs.gov","middleInitial":"R.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":444704,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70034227,"text":"70034227 - 2010 - The High Resolution Imaging Science Experiment (HiRISE) during MRO's Primary Science Phase (PSP)","interactions":[],"lastModifiedDate":"2020-10-02T14:05:55.751252","indexId":"70034227","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1963,"text":"Icarus","active":true,"publicationSubtype":{"id":10}},"title":"The High Resolution Imaging Science Experiment (HiRISE) during MRO's Primary Science Phase (PSP)","docAbstract":"<p><span>The High Resolution Imaging Science Experiment (HiRISE) on the Mars Reconnaissance Orbiter (MRO) acquired 8</span><span>&nbsp;</span><span>terapixels of data in 9137 images of Mars between October 2006 and December 2008, covering ∼0.55% of the surface. Images are typically 5–6</span><span>&nbsp;</span><span>km wide with 3-color coverage over the central 20% of the swath, and their scales usually range from 25 to 60</span><span>&nbsp;</span><span>cm/pixel. Nine hundred and sixty stereo pairs were acquired and more than 50&nbsp;digital terrain models&nbsp;(DTMs) completed; these data have led to some of the most significant science results. New methods to measure and correct distortions due to pointing jitter facilitate topographic and&nbsp;change-detection&nbsp;studies at sub-meter scales. Recent results address Noachian&nbsp;bedrock stratigraphy, fluvially deposited fans in craters and in or near Valles Marineris,&nbsp;groundwater flow&nbsp;in fractures and&nbsp;porous media, quasi-periodic layering in polar and non-polar deposits, tectonic history of west Candor Chasma, geometry of clay-rich deposits near and within Mawrth Vallis, dynamics of flood lavas in the Cerberus Palus region, evidence for&nbsp;pyroclastic deposits, columnar jointing in&nbsp;lava flows, recent collapse pits, evidence for water in well-preserved impact craters, newly discovered large rayed craters, and glacial and&nbsp;periglacial processes. Of particular interest are ongoing processes such as those driven by the wind, impact cratering, avalanches of dust and/or frost, relatively bright deposits on steep gullied slopes, and the dynamic seasonal processes over&nbsp;polar regions. HiRISE has acquired hundreds of large images of past, present and potential future&nbsp;landing sites&nbsp;and has contributed to scientific and engineering studies of those sites. 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,{"id":70037577,"text":"70037577 - 2010 - Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA","interactions":[],"lastModifiedDate":"2017-08-29T10:56:24","indexId":"70037577","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1801,"text":"Geomorphology","active":true,"publicationSubtype":{"id":10}},"title":"Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA","docAbstract":"<p><span>Seafloor pockmarks occur worldwide and may represent millions of m</span><sup>3</sup><span><span>&nbsp;</span>of continental shelf erosion, but few numerical analyses of their morphology and spatial distribution of pockmarks exist. We introduce a quantitative definition of pockmark morphology and, based on this definition, propose a three-step geomorphometric method to identify and extract pockmarks from high-resolution swath bathymetry. We apply this GIS-implemented approach to 25</span><span>&nbsp;</span><span>km</span><sup>2</sup><span><span>&nbsp;</span>of bathymetry collected in the Belfast Bay, Maine USA pockmark field. Our model extracted 1767 pockmarks and found a linear pockmark depth-to-diameter ratio for pockmarks field-wide. Mean pockmark depth is 7.6</span><span>&nbsp;</span><span>m and mean diameter is 84.8</span><span>&nbsp;</span><span>m. Pockmark distribution is non-random, and nearly half of the field's pockmarks occur in chains. The most prominent chains are oriented semi-normal to the steepest gradient in Holocene sediment thickness. A descriptive model yields field-wide spatial statistics indicating that pockmarks are distributed in non-random clusters. Results enable quantitative comparison of pockmarks in fields worldwide as well as similar concave features, such as impact craters, dolines, or salt pools.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.geomorph.2010.08.009","issn":"0169555X","usgsCitation":"Andrews, B., Brothers, L.L., and Barnhardt, W., 2010, Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA: Geomorphology, v. 124, no. 1-2, p. 55-64, https://doi.org/10.1016/j.geomorph.2010.08.009.","productDescription":"10 p.","startPage":"55","endPage":"64","numberOfPages":"10","ipdsId":"IP-019314","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":475860,"rank":10001,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://hdl.handle.net/1912/4169","text":"External Repository"},{"id":438840,"rank":10000,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P90QQCOR","text":"USGS data release","linkHelpText":"High-resolution marine geophysical data collected by the USGS in the Belfast Bay, Maine pockmark field in 2006, 2008, and 2009."},{"id":246056,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218076,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.geomorph.2010.08.009"}],"volume":"124","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059eef4e4b0c8380cd4a071","contributors":{"authors":[{"text":"Andrews, Brian D. bandrews@usgs.gov","contributorId":138513,"corporation":false,"usgs":true,"family":"Andrews","given":"Brian D.","email":"bandrews@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":461728,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brothers, Laura L. lbrothers@usgs.gov","contributorId":131142,"corporation":false,"usgs":true,"family":"Brothers","given":"Laura","email":"lbrothers@usgs.gov","middleInitial":"L.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":461726,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Barnhardt, Walter A. wbarnhardt@usgs.gov","contributorId":2474,"corporation":false,"usgs":true,"family":"Barnhardt","given":"Walter A.","email":"wbarnhardt@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":461727,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70037387,"text":"70037387 - 2010 - Depositional environments and cyclo- and chronostratigraphy of uppermost Carboniferous-Lower Triassic -lacustrine deposits, southern Bogda Mountains, NW China - A terrestrfluvialial paleoclimatic record of mid-latitude NE Pangea","interactions":[],"lastModifiedDate":"2017-06-30T09:47:51","indexId":"70037387","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1844,"text":"Global and Planetary Change","active":true,"publicationSubtype":{"id":10}},"title":"Depositional environments and cyclo- and chronostratigraphy of uppermost Carboniferous-Lower Triassic -lacustrine deposits, southern Bogda Mountains, NW China - A terrestrfluvialial paleoclimatic record of mid-latitude NE Pangea","docAbstract":"<p>Two uppermost Carboniferous–Lower Triassic fluvial–lacustrine sections in the Tarlong–Taodonggou half-graben, southern Bogda Mountains, NW China, comprise a 1834&nbsp;m-thick, relatively complete sedimentary and paleoclimatic record of the east coast of mid-latitude NE Pangea. Depositional environmental interpretations identified three orders (high, intermediate, and low) of sedimentary cycles. High-order cycles (HCs) have five basic types, including fluvial cycles recording repetitive changes of erosion and deposition and lacustrine cycles recording repetitive environmental changes associated with lake expansion and contraction. HCs are grouped into intermediate-order cycles (ICs) on the basis of systematic changes of thickness, type, and component lithofacies of HCs. Nine low-order cycles (LCs) are demarcated by graben-wide surfaces across which significant long-term environmental changes occurred. A preliminary cyclostratigraphic framework provides a foundation for future studies of terrestrial climate, tectonics, and paleontology in mid-latitude NE Pangea.</p><p>Climate variabilities at the intra-HC, HC, IC, and LC scales were interpreted from sedimentary and paleosol evidence. Four prominent climatic shifts are present: 1) from the humid–subhumid to highly-variable subhumid–semiarid conditions at the beginning of Sakamarian; 2) from highly-variable subhumid–semiarid to humid–subhumid conditions across the Artinskian-Capitanian unconformity; 3) from humid–subhumid to highly-variable subhumid–semiarid conditions at early Induan; and 4) from the highly-variable subhumid–semiarid to humid–subhumid conditions across the Olenekian-Anisian unconformity. The stable humid–subhumid condition from Lopingian to early Induan implies that paleoclimate change may not have been the cause of the end-Permian terrestrial mass extinction. A close documentation of the pace and timing of the extinction and exploration of other causes are needed. In addition, the semiarid–subhumid conditions from Sakamarian to Artinskian–Kungurian (?) and from middle Induan to end of Olenekian are in conflict with modern mid-latitude east coast meso- and macrothermal humid climate. Extreme continentality, regional orographic effect, and/or abnormal circulation of Paleo-Tethys maybe are possible causes. Our work serves as a rare data point at mid-latitude NE Pangea for climate modeling to seek explanations on the origin(s) of climate variability in NE Pangea from latest Carboniferous to Early Triassic.</p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Global and Planetary Change","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.gloplacha.2010.03.008","issn":"09218181","usgsCitation":"Yang, W., Feng, Q., Liu, Y., Tabor, N., Miggins, D., Crowley, J., Lin, J., and Thomas, S., 2010, Depositional environments and cyclo- and chronostratigraphy of uppermost Carboniferous-Lower Triassic -lacustrine deposits, southern Bogda Mountains, NW China - A terrestrfluvialial paleoclimatic record of mid-latitude NE Pangea: Global and Planetary Change, v. 73, no. 1-2, p. 15-113, https://doi.org/10.1016/j.gloplacha.2010.03.008.","startPage":"15","endPage":"113","numberOfPages":"99","ipdsId":"IP-019060","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":217410,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.gloplacha.2010.03.008"},{"id":245356,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"73","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059febee4b0c8380cd4eed4","contributors":{"authors":[{"text":"Yang, W.","contributorId":17449,"corporation":false,"usgs":true,"family":"Yang","given":"W.","email":"","affiliations":[],"preferred":false,"id":460822,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Feng, Q.","contributorId":15081,"corporation":false,"usgs":true,"family":"Feng","given":"Q.","email":"","affiliations":[],"preferred":false,"id":460820,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Liu, Yajing","contributorId":16553,"corporation":false,"usgs":true,"family":"Liu","given":"Yajing","affiliations":[],"preferred":false,"id":460821,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tabor, N.","contributorId":54478,"corporation":false,"usgs":true,"family":"Tabor","given":"N.","email":"","affiliations":[],"preferred":false,"id":460825,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Miggins, D.","contributorId":34397,"corporation":false,"usgs":true,"family":"Miggins","given":"D.","affiliations":[],"preferred":false,"id":460824,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Crowley, J.L.","contributorId":70663,"corporation":false,"usgs":true,"family":"Crowley","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":460827,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Lin, J.","contributorId":33065,"corporation":false,"usgs":true,"family":"Lin","given":"J.","email":"","affiliations":[],"preferred":false,"id":460823,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Thomas, S.","contributorId":69430,"corporation":false,"usgs":true,"family":"Thomas","given":"S.","affiliations":[],"preferred":false,"id":460826,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70034593,"text":"70034593 - 2010 - Vadose zone attenuation of organic compounds at a crude oil spill site - Interactions between biogeochemical reactions and multicomponent gas transport","interactions":[],"lastModifiedDate":"2018-10-11T10:26:50","indexId":"70034593","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2233,"text":"Journal of Contaminant Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Vadose zone attenuation of organic compounds at a crude oil spill site - Interactions between biogeochemical reactions and multicomponent gas transport","docAbstract":"<p><span>Contaminant attenuation processes in the vadose zone of a crude oil spill site near Bemidji, MN have been simulated with a reactive transport model that includes multicomponent gas transport, solute transport, and the most relevant biogeochemical reactions. Dissolution and volatilization of oil components, their aerobic and anaerobic degradation coupled with sequential electron acceptor consumption, ingress of atmospheric O</span><sub>2</sub><span>, and the release of CH</span><sub>4</sub><span>&nbsp;and CO</span><sub>2</sub><span>&nbsp;from the smear zone generated by the floating oil were considered. The focus of the simulations was to assess the dynamics between biodegradation and gas transport processes in the vadose zone, to evaluate the rates and contributions of different electron accepting processes towards vadose zone natural attenuation, and to provide an estimate of the historical mass loss. Concentration distributions of reactive (O</span><sub>2</sub><span>, CH</span><sub>4</sub><span>, and CO</span><sub>2</sub><span>) and non-reactive (Ar and N</span><sub>2</sub><span>) gases served as key constraints for the model calibration. Simulation results confirm that as of 2007, the main degradation pathway can be attributed to methanogenic degradation of organic compounds in the smear zone and the vadose zone resulting in a contaminant plume dominated by high CH</span><sub>4</sub><span>&nbsp;concentrations. In accordance with field observations, zones of volatilization and CH</span><sub>4</sub><span>&nbsp;generation are correlated to slightly elevated total gas pressures and low partial pressures of N</span><sub>2</sub><span>&nbsp;and Ar, while zones of aerobic CH</span><sub>4</sub><span>&nbsp;oxidation are characterized by slightly reduced gas pressures and elevated concentrations of N</span><sub>2</sub><span>&nbsp;and Ar. Diffusion is the most significant transport mechanism for gases in the vadose zone; however, the simulations also indicate that, despite very small pressure gradients, advection contributes up to 15% towards the net flux of CH</span><sub>4</sub><span>, and to a more limited extent to O</span><sub>2</sub><span>&nbsp;ingress. Model calibration strongly suggests that transfer of biogenically generated gases from the smear zone provides a major control on vadose zone gas distributions and vadose zone carbon balance. Overall, the model was successful in capturing the complex interactions between biogeochemical reactions and multicomponent gas transport processes. However, despite employing a process-based modeling approach, honoring observed parameter ranges, and generally obtaining good agreement between field observations and model simulations, accurate quantification of natural attenuation rates remains difficult. The modeling results are affected by uncertainties regarding gas phase saturations, tortuosities, and the magnitude of CH</span><sub>4</sub><span>&nbsp;and CO</span><sub>2</sub><span>&nbsp;flux from the smear zone. These findings highlight the need to better delineate gas fluxes at the model boundaries, which will help constrain contaminant degradation rates, and ultimately source zone longevity.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jconhyd.2009.09.002","issn":"01697722","usgsCitation":"Molins, S., Mayer, K., Amos, R., and Bekins, B.A., 2010, Vadose zone attenuation of organic compounds at a crude oil spill site - Interactions between biogeochemical reactions and multicomponent gas transport: Journal of Contaminant Hydrology, v. 112, no. 1-4, p. 15-29, https://doi.org/10.1016/j.jconhyd.2009.09.002.","productDescription":"15 p.","startPage":"15","endPage":"29","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":243408,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215594,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jconhyd.2009.09.002"}],"country":"United States","state":"Minnesota","city":"Bemidji","volume":"112","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bc0f7e4b08c986b32a3db","contributors":{"authors":[{"text":"Molins, S.","contributorId":24589,"corporation":false,"usgs":true,"family":"Molins","given":"S.","email":"","affiliations":[],"preferred":false,"id":446551,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mayer, K.U.","contributorId":80891,"corporation":false,"usgs":true,"family":"Mayer","given":"K.U.","email":"","affiliations":[],"preferred":false,"id":446553,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Amos, R.T.","contributorId":61630,"corporation":false,"usgs":true,"family":"Amos","given":"R.T.","email":"","affiliations":[],"preferred":false,"id":446552,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bekins, Barbara A. 0000-0002-1411-6018 babekins@usgs.gov","orcid":"https://orcid.org/0000-0002-1411-6018","contributorId":1348,"corporation":false,"usgs":true,"family":"Bekins","given":"Barbara","email":"babekins@usgs.gov","middleInitial":"A.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true}],"preferred":true,"id":446554,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70035174,"text":"70035174 - 2010 - Migrating tremors illuminate complex deformation beneath the seismogenic San Andreas fault","interactions":[],"lastModifiedDate":"2017-10-26T15:00:43","indexId":"70035174","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Migrating tremors illuminate complex deformation beneath the seismogenic San Andreas fault","docAbstract":"<p><span>The San Andreas fault is one of the most extensively studied faults in the world, yet its physical character and deformation mode beneath the relatively shallow earthquake-generating portion remain largely unconstrained. Tectonic ‘non-volcanic’ tremor, a recently discovered seismic signal</span><span><span>&nbsp;</span>probably generated by shear slip on the deep extension of some major faults</span><span>, can provide new insight into the deep fate of such faults, including that of the San Andreas fault near Parkfield, California</span><span>. Here I examine continuous seismic data from mid-2001 to 2008, identifying tremor and decomposing the signal into different families of activity based on the shape and timing of the waveforms at multiple stations</span><span>. This approach allows differentiation between activities from nearby patches of the deep fault and begins to unveil rich and complex patterns of tremor occurrence. I find that tremor exhibits nearly continuous migration, with the most extensive episodes propagating more than 20 kilometres along fault strike at rates of 15–80 kilometres per hour. This suggests that the San Andreas fault remains a localized through-going structure, at least to the base of the crust, in this area. Tremor rates and recurrence behaviour changed markedly in the wake of the 2004 magnitude-6.0 Parkfield earthquake</span><span>, but these changes were far from uniform within the tremor zone, probably reflecting heterogeneous fault properties and static and dynamic stresses decaying away from the rupture. The systematic recurrence of tremor demonstrated here suggests the potential to monitor detailed time-varying deformation on this portion of the deep San Andreas fault, deformation which unsteadily loads the shallower zone that last ruptured in the 1857 magnitude-7.9 Fort Tejon earthquake.</span></p>","language":"English","publisher":"Nature","doi":"10.1038/nature08755","issn":"00280836","usgsCitation":"Shelly, D.R., 2010, Migrating tremors illuminate complex deformation beneath the seismogenic San Andreas fault: Nature, v. 463, no. 7281, p. 648-652, https://doi.org/10.1038/nature08755.","productDescription":"5 p.","startPage":"648","endPage":"652","numberOfPages":"5","ipdsId":"IP-015384","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":243096,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215301,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1038/nature08755"}],"country":"United States","state":"California","otherGeospatial":"San Andreas Fault","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -120.6,\n              35.5\n            ],\n            [\n              -120,\n              35.5\n            ],\n            [\n              -120,\n              36\n            ],\n            [\n              -120.6,\n              36\n            ],\n            [\n              -120.6,\n              35.5\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"463","issue":"7281","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a56f3e4b0c8380cd6d943","contributors":{"authors":[{"text":"Shelly, David R. dshelly@usgs.gov","contributorId":2978,"corporation":false,"usgs":true,"family":"Shelly","given":"David","email":"dshelly@usgs.gov","middleInitial":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":449594,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70034240,"text":"70034240 - 2010 - The vegetation outlook (VegOut): a new method for predicting vegetation seasonal greenness","interactions":[],"lastModifiedDate":"2012-12-26T12:25:12","indexId":"70034240","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1722,"text":"GIScience and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"The vegetation outlook (VegOut): a new method for predicting vegetation seasonal greenness","docAbstract":"The vegetation outlook (VegOut) is a geospatial tool for predicting general vegetation condition patterns across large areas. VegOut predicts a standardized seasonal greenness (SSG) measure, which represents a general indicator of relative vegetation health. VegOut predicts SSG values at multiple time steps (two to six weeks into the future) based on the analysis of \"historical patterns\" (i.e., patterns at each 1 km grid cell and time of the year) of satellite, climate, and oceanic data over an 18-year period (1989 to 2006). The model underlying VegOut capitalizes on historical climate-vegetation interactions and ocean-climate teleconnections (such as El Niño and the Southern Oscillation, ENSO) expressed over the 18-year data record and also considers several environmental characteristics (e.g., land use/cover type and soils) that influence vegetation's response to weather conditions to produce 1 km maps that depict future general vegetation conditions. VegOut provides regionallevel vegetation monitoring capabilities with local-scale information (e.g., county to sub-county level) that can complement more traditional remote sensing-based approaches that monitor \"current\" vegetation conditions. In this paper, the VegOut approach is discussed and a case study over the central United States for selected periods of the 2008 growing season is presented to demonstrate the potential of this new tool for assessing and predicting vegetation conditions.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"GIScience and Remote Sensing","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Bellwether Publishing, Ltd.","publisherLocation":"Columbia, MD","doi":"10.2747/1548-1603.47.1.25","issn":"15481603","usgsCitation":"Tadesse, T., Wardlow, B., Hayes, M., Svoboda, M., and Brown, J., 2010, The vegetation outlook (VegOut): a new method for predicting vegetation seasonal greenness: GIScience and Remote Sensing, v. 47, no. 1, p. 25-52, https://doi.org/10.2747/1548-1603.47.1.25.","productDescription":"28 p.","startPage":"25","endPage":"52","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":475891,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2747/1548-1603.47.1.25","text":"Publisher Index Page"},{"id":244876,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216971,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2747/1548-1603.47.1.25"}],"volume":"47","issue":"1","noUsgsAuthors":false,"publicationDate":"2013-05-15","publicationStatus":"PW","scienceBaseUri":"505bb1b5e4b08c986b3253b6","contributors":{"authors":[{"text":"Tadesse, T.","contributorId":57661,"corporation":false,"usgs":true,"family":"Tadesse","given":"T.","affiliations":[],"preferred":false,"id":444849,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wardlow, B.","contributorId":56863,"corporation":false,"usgs":false,"family":"Wardlow","given":"B.","email":"","affiliations":[{"id":12505,"text":"University of Nebraska - Lincoln","active":true,"usgs":false}],"preferred":false,"id":444848,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hayes, M.","contributorId":68138,"corporation":false,"usgs":true,"family":"Hayes","given":"M.","affiliations":[],"preferred":false,"id":444851,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Svoboda, M.","contributorId":74604,"corporation":false,"usgs":true,"family":"Svoboda","given":"M.","email":"","affiliations":[],"preferred":false,"id":444852,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, J.","contributorId":57801,"corporation":false,"usgs":true,"family":"Brown","given":"J.","affiliations":[],"preferred":false,"id":444850,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70037389,"text":"70037389 - 2010 - Spider-mediated flux of PCBs from contaminated sediments to terrestrial ecosystems and potential risks to arachnivorous birds","interactions":[],"lastModifiedDate":"2012-03-12T17:22:11","indexId":"70037389","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","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":"Spider-mediated flux of PCBs from contaminated sediments to terrestrial ecosystems and potential risks to arachnivorous birds","docAbstract":"We investigated aquatic insect utilization and PCB exposure in riparian spiders at the Lake Hartwell Superfund site (Clemson, SC). We sampled sediments, adult chironomids, terrestrial insects, riparian spiders (Tetragnathidae, Araneidae, and Mecynogea lemniscata), and upland spiders (Araneidae) along a sediment contamination gradient. Stable isotopes (?<sup>13</sup>C, ? <sup>15</sup>N) indicated that riparian spiders primarily consumed aquatic insects whereas upland spiders consumed terrestrial insects. PCBs in chironomids (mean 1240 ng/g among sites) were 2 orders of magnitude higher than terrestrial insects (15.2 ng/g), similar to differences between riparian (820?2012 ng/g) and upland spiders (30 ng/g). Riparian spider PCBs were positively correlated with sediment concentrations for all taxa (r<sup>2</sup> = 0.44?0.87). We calculated spider-based wildlife values (WVs, the minimum spider PCB concentrations causing physiologically significant doses in consumers) to assess exposure risks for arachnivorous birds. Spider concentrations exceeded WVs for most birds at heavily contaminated sites and were ?14-fold higher for the most sensitive species (chickadee nestlings, Poecile spp.). Spiders are abundant and ubiquitous in riparian habitats, where they depend on aquatic insect prey. These traits, along with the high degree of spatial correlation between spider and sediment concentrations we observed, suggest that they are model indicator species for monitoring contaminated sediment sites and assessing risks associated with contaminant flux into terrestrial ecosystems. ?? This article not subject to U.S. Copyright. Published 2009 by the American Chemical Society.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Science and Technology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1021/es9023139","issn":"0013936X","usgsCitation":"Walters, D., Mills, M., Fritz, K., and Raikow, D., 2010, Spider-mediated flux of PCBs from contaminated sediments to terrestrial ecosystems and potential risks to arachnivorous birds: Environmental Science & Technology, v. 44, no. 8, p. 2849-2856, https://doi.org/10.1021/es9023139.","startPage":"2849","endPage":"2856","numberOfPages":"8","costCenters":[],"links":[{"id":245386,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":217438,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/es9023139"}],"volume":"44","issue":"8","noUsgsAuthors":false,"publicationDate":"2009-12-21","publicationStatus":"PW","scienceBaseUri":"505b95c3e4b08c986b31b0eb","contributors":{"authors":[{"text":"Walters, D.M.","contributorId":41507,"corporation":false,"usgs":true,"family":"Walters","given":"D.M.","email":"","affiliations":[],"preferred":false,"id":460832,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mills, M.A.","contributorId":77764,"corporation":false,"usgs":true,"family":"Mills","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":460833,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fritz, K.M.","contributorId":93300,"corporation":false,"usgs":true,"family":"Fritz","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":460834,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Raikow, D.F.","contributorId":98972,"corporation":false,"usgs":true,"family":"Raikow","given":"D.F.","email":"","affiliations":[],"preferred":false,"id":460835,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034244,"text":"70034244 - 2010 - Numerical simulation of magmatic hydrothermal systems","interactions":[],"lastModifiedDate":"2012-03-12T17:21:47","indexId":"70034244","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3283,"text":"Reviews of Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Numerical simulation of magmatic hydrothermal systems","docAbstract":"The dynamic behavior of magmatic hydrothermal systems entails coupled and nonlinear multiphase flow, heat and solute transport, and deformation in highly heterogeneous media. Thus, quantitative analysis of these systems depends mainly on numerical solution of coupled partial differential equations and complementary equations of state (EOS). The past 2 decades have seen steady growth of computational power and the development of numerical models that have eliminated or minimized the need for various simplifying assumptions. Considerable heuristic insight has been gained from process-oriented numerical modeling. Recent modeling efforts employing relatively complete EOS and accurate transport calculations have revealed dynamic behavior that was damped by linearized, less accurate models, including fluid property control of hydrothermal plume temperatures and three-dimensional geometries. Other recent modeling results have further elucidated the controlling role of permeability structure and revealed the potential for significant hydrothermally driven deformation. Key areas for future reSearch include incorporation of accurate EOS for the complete H2O-NaCl-CO2 system, more realistic treatment of material heterogeneity in space and time, realistic description of large-scale relative permeability behavior, and intercode benchmarking comparisons. Copyright 2010 by the American Geophysical Union.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Reviews of Geophysics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1029/2009RG000287","issn":"87551209","usgsCitation":"Ingebritsen, S.E., Geiger, S., Hurwitz, S., and Driesner, T., 2010, Numerical simulation of magmatic hydrothermal systems: Reviews of Geophysics, v. 48, no. 1, https://doi.org/10.1029/2009RG000287.","costCenters":[],"links":[{"id":475802,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2009rg000287","text":"Publisher Index Page"},{"id":244431,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216553,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2009RG000287"}],"volume":"48","issue":"1","noUsgsAuthors":false,"publicationDate":"2010-03-19","publicationStatus":"PW","scienceBaseUri":"505a6926e4b0c8380cd73bb2","contributors":{"authors":[{"text":"Ingebritsen, S. E.","contributorId":8078,"corporation":false,"usgs":true,"family":"Ingebritsen","given":"S.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":444869,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Geiger, S.","contributorId":37568,"corporation":false,"usgs":true,"family":"Geiger","given":"S.","email":"","affiliations":[],"preferred":false,"id":444870,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hurwitz, S.","contributorId":61110,"corporation":false,"usgs":true,"family":"Hurwitz","given":"S.","email":"","affiliations":[],"preferred":false,"id":444872,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Driesner, T.","contributorId":53626,"corporation":false,"usgs":true,"family":"Driesner","given":"T.","email":"","affiliations":[],"preferred":false,"id":444871,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70037176,"text":"70037176 - 2010 - Soil organic carbon stocks in Alaska estimated with spatial and pedon data","interactions":[],"lastModifiedDate":"2017-04-05T14:09:00","indexId":"70037176","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3420,"text":"Soil Science Society of America Journal","active":true,"publicationSubtype":{"id":10}},"title":"Soil organic carbon stocks in Alaska estimated with spatial and pedon data","docAbstract":"<p><span>Temperatures in high-latitude ecosystems are increasing faster than the average rate of global warming, which may lead to a positive feedback for climate change by increasing the respiration rates of soil organic C. If a positive feedback is confirmed, soil C will represent a source of greenhouse gases that is not currently considered in international protocols to regulate C emissions. We present new estimates of the stocks of soil organic C in Alaska, calculated by linking spatial and field data developed by the USDA NRCS. The spatial data are from the State Soil Geographic database (STATSGO), and the field and laboratory data are from the National Soil Characterization Database, also known as the pedon database. The new estimates range from 32 to 53 Pg of soil organic C for Alaska, formed by linking the spatial and field data using the attributes of Soil Taxonomy. For modelers, we recommend an estimation method based on taxonomic subgroups with interpolation for missing areas, which yields an estimate of 48 Pg. This is a substantial increase over a magnitude of 13 Pg estimated from only the STATSGO data as originally distributed in 1994, but the increase reflects different estimation methods and is not a measure of the change in C on the landscape. Pedon samples were collected between 1952 and 2002, so the results do not represent a single point in time. The linked databases provide an improved basis for modeling the impacts of climate change on net ecosystem exchange.</span></p>","language":"English","publisher":"ACSESS","doi":"10.2136/sssaj2008.0404","issn":"03615995","usgsCitation":"Bliss, N.B., and Maursetter, J., 2010, Soil organic carbon stocks in Alaska estimated with spatial and pedon data: Soil Science Society of America Journal, v. 74, no. 2, p. 565-579, https://doi.org/10.2136/sssaj2008.0404.","productDescription":"15 p.","startPage":"565","endPage":"579","numberOfPages":"15","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":217081,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2136/sssaj2008.0404"},{"id":244994,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"74","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9212e4b08c986b319c9e","contributors":{"authors":[{"text":"Bliss, Norman B. 0000-0003-2409-5211 bliss@usgs.gov","orcid":"https://orcid.org/0000-0003-2409-5211","contributorId":1921,"corporation":false,"usgs":true,"family":"Bliss","given":"Norman","email":"bliss@usgs.gov","middleInitial":"B.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true},{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":true,"id":459755,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Maursetter, J.","contributorId":67336,"corporation":false,"usgs":true,"family":"Maursetter","given":"J.","email":"","affiliations":[],"preferred":false,"id":459754,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70032697,"text":"70032697 - 2010 - Treated wastewater and Nitrate transport beneath irrigated fields near Dodge city, Kansas","interactions":[],"lastModifiedDate":"2012-03-12T17:21:23","indexId":"70032697","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1358,"text":"Current Research in Earth Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Treated wastewater and Nitrate transport beneath irrigated fields near Dodge city, Kansas","docAbstract":"Use of secondary-treated municipal wastewater for crop irrigation south of Dodge City, Kansas, where the soils are mainly of silty clay loam texture, has raised a concern that it has resulted in high nitratenitrogen concentrations (10-50 mg/kg) in the soil and deeper vadose zone, and also in the underlying deep (20-45 m) ground water. The goal of this field-monitoring project was to assess how and under what circumstances nitrogen (N) nutrients under cultivated corn that is irrigated with this treated wastewater can reach the deep ground water of the underlying High Plains aquifer, and what can realistically be done to minimize this problem. We collected 15.2-m-deep cores for physical and chemical properties characterization; installed neutron moisture-probe access tubes and suction lysimeters for periodic measurements; sampled area monitoring, irrigation, and domestic wells; performed dye-tracer experiments to examine soil preferential-flow processes through macropores; and obtained climatic, crop, irrigation, and N-application rate records. These data and additional information were used in the comprehensive Root Zone Water Quality Model (RZWQM2) to identify key parameters and processes that influence N losses in the study area. We demonstrated that nitrate-N transport processes result in significant accumulations of N in the thick vadose zone. We also showed that nitrate-N in the underlying ground water is increasing with time and that the source of the nitrate is from the wastewater applications. RZWQM2 simulations indicated that macropore flow is generated particularly during heavy rainfall events, but during our 2005-06 simulations the total macropore flow was only about 3% of precipitation for one of two investigated sites, whereas it was more than 13% for the other site. Our calibrated model for the two wastewater-irrigated study sites indicated that reducing current levels of corn N fertilization by half or more to the level of 170 kg/ha substantially increases N-use efficiency and achieves near-maximum crop yield. Combining such measures with a crop rotation that includes alfalfa should further reduce the amounts of residual N in the soil, as indicated in one of the study sites that had alfalfa in past crop rotations.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Current Research in Earth Sciences","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Sophocleous, M., Townsend, M., Vocasek, F., Ma, L., and Ashok, K., 2010, Treated wastewater and Nitrate transport beneath irrigated fields near Dodge city, Kansas: Current Research in Earth Sciences, v. 258, no. 1, p. 1-31.","startPage":"1","endPage":"31","numberOfPages":"31","costCenters":[],"links":[{"id":241565,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"258","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bb78fe4b08c986b32734e","contributors":{"authors":[{"text":"Sophocleous, M.","contributorId":13373,"corporation":false,"usgs":true,"family":"Sophocleous","given":"M.","email":"","affiliations":[],"preferred":false,"id":437507,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Townsend, M.A.","contributorId":88785,"corporation":false,"usgs":true,"family":"Townsend","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":437511,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vocasek, F.","contributorId":51996,"corporation":false,"usgs":true,"family":"Vocasek","given":"F.","email":"","affiliations":[],"preferred":false,"id":437509,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ma, Liwang","contributorId":29140,"corporation":false,"usgs":true,"family":"Ma","given":"Liwang","email":"","affiliations":[],"preferred":false,"id":437508,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ashok, K.C.","contributorId":56867,"corporation":false,"usgs":true,"family":"Ashok","given":"K.C.","email":"","affiliations":[],"preferred":false,"id":437510,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70036454,"text":"70036454 - 2010 - Extension in Mona Passage, Northeast Caribbean","interactions":[],"lastModifiedDate":"2017-11-18T10:02:37","indexId":"70036454","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Extension in Mona Passage, Northeast Caribbean","docAbstract":"As shown by the recent Mw 7.0 Haiti earthquake, intra-arc deformation, which accompanies the subduction process, can present seismic and tsunami hazards to nearby islands. Spatially-limited diffuse tectonic deformation within the Northeast Caribbean Plate Boundary Zone likely led to the development of the submerged Mona Passage between Puerto Rico and the Dominican Republic. GPS geodetic data and a moderate to high level of seismicity indicate that extension within the region is ongoing. Newly-collected high-resolution multibeam bathymetry and multi-channel seismic reflection profiles and previously-collected samples are used here to determine the tectonic evolution of the Mona Passage intra-arc region. The passage is floored almost completely by Oligocene-Pliocene carbonate platform strata, which have undergone submarine and subaerial erosion. Structurally, the passage is characterized by W- to NNW-trending normal faults that offset the entire thickness of the Oligo-Pliocene carbonate platform rocks. The orientation of these faults is compatible with the NE-oriented extension vector observed in GPS data. Fault geometry best fits an oblique extension model rather than previously proposed single-phase, poly-phase, bending-moment, or rotation extension models. The intersection of these generally NW-trending faults in Mona Passage with the N-S oriented faults of Mona Canyon may reflect differing responses of the brittle upper-crust, along an arc-forearc rheological boundary, to oblique subduction along the Puerto Rico trench. Several faults within the passage, if ruptured completely, are long enough to generate earthquakes with magnitudes on the order of Mw 6.5-7. ?? 2010.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Tectonophysics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.tecto.2010.07.002","issn":"00401951","usgsCitation":"Chaytor, J., and ten Brink, U., 2010, Extension in Mona Passage, Northeast Caribbean: Tectonophysics, v. 493, no. 1-2, p. 74-92, https://doi.org/10.1016/j.tecto.2010.07.002.","startPage":"74","endPage":"92","numberOfPages":"19","ipdsId":"IP-017925","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":246380,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218378,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.tecto.2010.07.002"}],"volume":"493","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0e42e4b0c8380cd53387","contributors":{"authors":[{"text":"Chaytor, J.D.","contributorId":80936,"corporation":false,"usgs":true,"family":"Chaytor","given":"J.D.","affiliations":[],"preferred":false,"id":456232,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"ten Brink, Uri S. 0000-0001-6858-3001 utenbrink@usgs.gov","orcid":"https://orcid.org/0000-0001-6858-3001","contributorId":127560,"corporation":false,"usgs":true,"family":"ten Brink","given":"Uri S.","email":"utenbrink@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true},{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"preferred":false,"id":456233,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70036453,"text":"70036453 - 2010 - The areal extent of brown shrimp habitat suitability in Mobile Bay, Alabama, USA: Targeting vegetated habitat restoration","interactions":[],"lastModifiedDate":"2012-03-12T17:22:03","indexId":"70036453","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1552,"text":"Environmental Monitoring and Assessment","onlineIssn":"1573-2959","printIssn":"0167-6369","active":true,"publicationSubtype":{"id":10}},"title":"The areal extent of brown shrimp habitat suitability in Mobile Bay, Alabama, USA: Targeting vegetated habitat restoration","docAbstract":"The availability of wetlands and shallow water habitats significantly influences Gulf of Mexico (GOM) penaeid shrimp fishery productivity. However, the GOM region has the highest rate of wetland loss in the USA. Protection and management of these vital GOM habitats are critical to sustainable shrimp fisheries. Brown shrimp (Farfantepenaeus aztecus) are a major component of GOM fisheries. We present an approach for estimating the areal extent of suitable habitat for post-larval and juvenile brown shrimp in Mobile Bay, Alabama, using an existing habitat suitability index model for the northern GOM calculated from probabilistic survey of water quality and sediment data, land cover data, and submerged aquatic vegetation coverages. This estuarine scale approach is intended to support targeted protection and restoration of these habitats. These analyses indicate that approximately 60% of the area of Mobile Bay is categorized as suitable to near optimal for post-larval and juvenile shrimp and 38% of the area is marginally to minimally suitable. We identify potential units within Mobile Bay for targeted restoration to improve habitat suitability. ?? 2010 Springer Science+Business Media B.V.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Monitoring and Assessment","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s10661-009-1303-0","issn":"01676369","usgsCitation":"Smith, L., Nestlerode, J., Harwell, L., and Bourgeois, P., 2010, The areal extent of brown shrimp habitat suitability in Mobile Bay, Alabama, USA: Targeting vegetated habitat restoration: Environmental Monitoring and Assessment, v. 171, no. 1-4, p. 611-620, https://doi.org/10.1007/s10661-009-1303-0.","startPage":"611","endPage":"620","numberOfPages":"10","costCenters":[],"links":[{"id":218352,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10661-009-1303-0"},{"id":246352,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"171","issue":"1-4","noUsgsAuthors":false,"publicationDate":"2010-01-16","publicationStatus":"PW","scienceBaseUri":"505ba9d1e4b08c986b322525","contributors":{"authors":[{"text":"Smith, L.M.","contributorId":82650,"corporation":false,"usgs":true,"family":"Smith","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":456230,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nestlerode, J.A.","contributorId":67738,"corporation":false,"usgs":true,"family":"Nestlerode","given":"J.A.","affiliations":[],"preferred":false,"id":456229,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Harwell, L.C.","contributorId":45162,"corporation":false,"usgs":true,"family":"Harwell","given":"L.C.","email":"","affiliations":[],"preferred":false,"id":456228,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bourgeois, P.","contributorId":94498,"corporation":false,"usgs":true,"family":"Bourgeois","given":"P.","affiliations":[],"preferred":false,"id":456231,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70036451,"text":"70036451 - 2010 - Comparing forest fragmentation and its drivers in China and the USA with Globcover v2.2","interactions":[],"lastModifiedDate":"2018-02-23T11:47:22","indexId":"70036451","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2258,"text":"Journal of Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"Comparing forest fragmentation and its drivers in China and the USA with Globcover v2.2","docAbstract":"<p><span>Forest loss and fragmentation are of major concern to the international community, in large part because they impact so many important environmental processes. The main objective of this study was to assess the differences in forest fragmentation patterns and drivers between China and the conterminous United States (USA). Using the latest 300-m resolution global land cover product, Globcover v2.2, a comparative analysis of forest fragmentation patterns and drivers was made. The fragmentation patterns were characterized by using a forest fragmentation model built on the sliding window analysis technique in association with landscape indices. Results showed that China’s forests were substantially more fragmented than those of the USA. This was evidenced by a large difference in the amount of interior forest area share, with China having 48% interior forest versus the 66% for the USA. China’s forest fragmentation was primarily attributed to anthropogenic disturbances, driven particularly by agricultural expansion from an increasing and large population, as well as poor forest management practices. In contrast, USA forests were principally fragmented by natural land cover types. However, USA urban sprawl contributed more to forest fragmentation than in China. This is closely tied to the USA’s economy, lifestyle and institutional processes. Fragmentation maps were generated from this study, which provide valuable insights and implications regarding habitat planning for rare and endangered species. Such maps enable development of strategic plans for sustainable forest management by identifying areas with high amounts of human-induced fragmentation, which improve risk assessments and enable better targeting for protection and remediation efforts. Because forest fragmentation is a long-term, complex process that is highly related to political, institutional, economic and philosophical arenas, both nations need to take effective and comprehensive measures to mitigate the negative effects of forest loss and fragmentation on the existing forest ecosystems.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jenvman.2010.07.010","issn":"03014797","usgsCitation":"Chen, M., Mao, L., Zhou, C., Vogelmann, J., and Zhu, Z., 2010, Comparing forest fragmentation and its drivers in China and the USA with Globcover v2.2: Journal of Environmental Management, v. 91, no. 12, p. 2572-2580, https://doi.org/10.1016/j.jenvman.2010.07.010.","productDescription":"9 p.","startPage":"2572","endPage":"2580","numberOfPages":"9","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":246319,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218320,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jenvman.2010.07.010"}],"volume":"91","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f832e4b0c8380cd4cf30","contributors":{"authors":[{"text":"Chen, Mingshi mchen@usgs.gov","contributorId":4204,"corporation":false,"usgs":true,"family":"Chen","given":"Mingshi","email":"mchen@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":456226,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mao, Lijun","contributorId":202732,"corporation":false,"usgs":false,"family":"Mao","given":"Lijun","email":"","affiliations":[],"preferred":false,"id":456224,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zhou, Chunguo","contributorId":202733,"corporation":false,"usgs":false,"family":"Zhou","given":"Chunguo","email":"","affiliations":[],"preferred":false,"id":456225,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Vogelmann, James E. 0000-0002-0804-5823","orcid":"https://orcid.org/0000-0002-0804-5823","contributorId":16604,"corporation":false,"usgs":true,"family":"Vogelmann","given":"James E.","affiliations":[],"preferred":false,"id":456223,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Zhu, Zhiliang 0000-0002-6860-6936 zzhu@usgs.gov","orcid":"https://orcid.org/0000-0002-6860-6936","contributorId":150078,"corporation":false,"usgs":true,"family":"Zhu","given":"Zhiliang","email":"zzhu@usgs.gov","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true},{"id":5055,"text":"Land Change Science","active":true,"usgs":true},{"id":505,"text":"Office of the AD Climate and Land-Use Change","active":true,"usgs":true}],"preferred":true,"id":456222,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70036448,"text":"70036448 - 2010 - Broadband ground-motion simulation using a hybrid approach","interactions":[],"lastModifiedDate":"2012-03-12T17:22:03","indexId":"70036448","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Broadband ground-motion simulation using a hybrid approach","docAbstract":"This paper describes refinements to the hybrid broadband ground-motion simulation methodology of Graves and Pitarka (2004), which combines a deterministic approach at low frequencies (f< 1 Hz) with a semistochastic approach at high frequencies (f> 1 Hz). In our approach, fault rupture is represented kinematically and incorporates spatial heterogeneity in slip, rupture speed, and rise time. The prescribed slip distribution is constrained to follow an inverse wavenumber-squared fall-off and the average rupture speed is set at 80% of the local shear-wave velocity, which is then adjusted such that the rupture propagates faster in regions of high slip and slower in regions of low slip. We use a Kostrov-like slip-rate function having a rise time proportional to the square root of slip, with the average rise time across the entire fault constrained empirically. Recent observations from large surface rupturing earthquakes indicate a reduction of rupture propagation speed and lengthening of rise time in the near surface, which we model by applying a 70% reduction of the rupture speed and increasing the rise time by a factor of 2 in a zone extending from the surface to a depth of 5 km. We demonstrate the fidelity of the technique by modeling the strong-motion recordings from the Imperial Valley, Loma Prieta, Landers, and Northridge earthquakes.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the Seismological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/0120100057","issn":"00371106","usgsCitation":"Graves, R., and Pitarka, A., 2010, Broadband ground-motion simulation using a hybrid approach: Bulletin of the Seismological Society of America, v. 100, no. 5 A, p. 2095-2123, https://doi.org/10.1785/0120100057.","startPage":"2095","endPage":"2123","numberOfPages":"29","costCenters":[],"links":[{"id":246287,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218288,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/0120100057"}],"volume":"100","issue":"5 A","noUsgsAuthors":false,"publicationDate":"2010-09-20","publicationStatus":"PW","scienceBaseUri":"5059f286e4b0c8380cd4b212","contributors":{"authors":[{"text":"Graves, R.W. 0000-0001-9758-453X","orcid":"https://orcid.org/0000-0001-9758-453X","contributorId":77691,"corporation":false,"usgs":true,"family":"Graves","given":"R.W.","affiliations":[],"preferred":false,"id":456208,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pitarka, A.","contributorId":84185,"corporation":false,"usgs":true,"family":"Pitarka","given":"A.","affiliations":[],"preferred":false,"id":456209,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70032698,"text":"70032698 - 2010 - Mixing effects on apparent reaction rates and isotope fractionation during denitrification in a heterogeneous aquifer","interactions":[],"lastModifiedDate":"2018-10-09T10:50:46","indexId":"70032698","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Mixing effects on apparent reaction rates and isotope fractionation during denitrification in a heterogeneous aquifer","docAbstract":"<p><span>Gradients in contaminant concentrations and isotopic compositions commonly are used to derive reaction parameters for natural attenuation in aquifers. Differences between field‐scale (apparent) estimated reaction rates and isotopic fractionations and local‐scale (intrinsic) effects are poorly understood for complex natural systems. For a heterogeneous alluvial fan aquifer, numerical models and field observations were used to study the effects of physical heterogeneity on reaction parameter estimates. Field measurements included major ions, age tracers, stable isotopes, and dissolved gases. Parameters were estimated for the O</span><sub>2</sub><span><span>&nbsp;</span>reduction rate, denitrification rate, O</span><sub>2</sub><span><span>&nbsp;</span>threshold for denitrification, and stable N isotope fractionation during denitrification. For multiple geostatistical realizations of the aquifer, inverse modeling was used to establish reactive transport simulations that were consistent with field observations and served as a basis for numerical experiments to compare sample‐based estimates of “apparent” parameters with “true“ (intrinsic) values. For this aquifer, non‐Gaussian dispersion reduced the magnitudes of apparent reaction rates and isotope fractionations to a greater extent than Gaussian mixing alone. Apparent and true rate constants and fractionation parameters can differ by an order of magnitude or more, especially for samples subject to slow transport, long travel times, or rapid reactions. The effect of mixing on apparent N isotope fractionation potentially explains differences between previous laboratory and field estimates. Similarly, predicted effects on apparent O</span><sub>2</sub><span>threshold values for denitrification are consistent with previous reports of higher values in aquifers than in the laboratory. These results show that hydrogeological complexity substantially influences the interpretation and prediction of reactive transport.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2009WR008903","usgsCitation":"Green, C.T., Bohlke, J., Bekins, B.A., and Phillips, S.P., 2010, Mixing effects on apparent reaction rates and isotope fractionation during denitrification in a heterogeneous aquifer: Water Resources Research, v. 46, no. 8, Article W08525; 19 p., https://doi.org/10.1029/2009WR008903.","productDescription":"Article W08525; 19 p.","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":476083,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2009wr008903","text":"Publisher Index Page"},{"id":241598,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"46","issue":"8","noUsgsAuthors":false,"publicationDate":"2010-08-13","publicationStatus":"PW","scienceBaseUri":"505a5b86e4b0c8380cd6f5f5","contributors":{"authors":[{"text":"Green, Christopher T. 0000-0002-6480-8194 ctgreen@usgs.gov","orcid":"https://orcid.org/0000-0002-6480-8194","contributorId":1343,"corporation":false,"usgs":true,"family":"Green","given":"Christopher","email":"ctgreen@usgs.gov","middleInitial":"T.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":437513,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bohlke, J.K. 0000-0001-5693-6455 jkbohlke@usgs.gov","orcid":"https://orcid.org/0000-0001-5693-6455","contributorId":191103,"corporation":false,"usgs":true,"family":"Bohlke","given":"J.K.","email":"jkbohlke@usgs.gov","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true}],"preferred":true,"id":437514,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bekins, Barbara A. 0000-0002-1411-6018 babekins@usgs.gov","orcid":"https://orcid.org/0000-0002-1411-6018","contributorId":1348,"corporation":false,"usgs":true,"family":"Bekins","given":"Barbara","email":"babekins@usgs.gov","middleInitial":"A.","affiliations":[{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"preferred":true,"id":437515,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Phillips, Steven P. 0000-0002-5107-868X sphillip@usgs.gov","orcid":"https://orcid.org/0000-0002-5107-868X","contributorId":1506,"corporation":false,"usgs":true,"family":"Phillips","given":"Steven","email":"sphillip@usgs.gov","middleInitial":"P.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":437512,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034610,"text":"70034610 - 2010 - On the composition of earth's short-period seismic noise field","interactions":[],"lastModifiedDate":"2012-03-12T17:21:40","indexId":"70034610","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"On the composition of earth's short-period seismic noise field","docAbstract":"In the classic microseismic band of 5-20 sec, seismic noise consists mainly of fundamental mode Rayleigh and Love waves; however, at shorter periods seismic noise also contains a significant amount of body-wave energy and higher mode surface waves. In this study we perform a global survey of Earth's short-period seismic noise field with the goal of quantifying the relative contributions of these propagation modes. We examined a year's worth of vertical component data from 18 seismic arrays of the International Monitoring System that were sited in a variety of geologic environments. The apertures of the arrays varied from 2 to 28 km, constraining the periods we analyzed to 0.25-2.5 sec. Using frequency-wavenumber analysis we identified the apparent velocity for each sample of noise and classified its mode of propagation. The dominant component was found to be L<sub>g</sub>, occurring in about 50% of the noise windows. Because L<sub>g</sub> does not propagate across ocean-continent boundaries, this energy is most likely created in shallow water areas near coastlines. The next most common component was P-wave energy, which accounted for about 28% of the noise windows. These were split between regional P waves (P<sub>n</sub>=P<sub>g</sub> at 6%), mantle bottoming P waves (14%), and core-sensitive waves (PKP at 8%). This energy is mostly generated in deep water away from coastlines, with a region of the North Pacific centered at 165?? W and 40?? N being especially prolific. The remainder of the energy arriving in the noise consisted of R<sub>g</sub> waves (28%), a large fraction of which may have a cultural origin. Hence, in contrast to the classic micro-seismic band of 5-20 sec, at shorter periods fundamental mode Rayleigh waves are the least significant component.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the Seismological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/0120090120","issn":"00371106","usgsCitation":"Koper, K., Seats, K., and Benz, H., 2010, On the composition of earth's short-period seismic noise field: Bulletin of the Seismological Society of America, v. 100, no. 2, p. 606-617, https://doi.org/10.1785/0120090120.","startPage":"606","endPage":"617","numberOfPages":"12","costCenters":[],"links":[{"id":215862,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/0120090120"},{"id":243694,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"100","issue":"2","noUsgsAuthors":false,"publicationDate":"2010-03-15","publicationStatus":"PW","scienceBaseUri":"505a6dbfe4b0c8380cd752e0","contributors":{"authors":[{"text":"Koper, K.D.","contributorId":69798,"corporation":false,"usgs":true,"family":"Koper","given":"K.D.","email":"","affiliations":[],"preferred":false,"id":446653,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Seats, K.","contributorId":70258,"corporation":false,"usgs":true,"family":"Seats","given":"K.","affiliations":[],"preferred":false,"id":446654,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Benz, H.","contributorId":61953,"corporation":false,"usgs":true,"family":"Benz","given":"H.","email":"","affiliations":[],"preferred":false,"id":446652,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70037674,"text":"70037674 - 2010 - Summary of the Second International Planetary Dunes Workshop: Planetary Analogs - Integrating Models, Remote Sensing, and Field Data, Alamosa, Colorado, USA, May 18-21, 2010","interactions":[],"lastModifiedDate":"2012-04-30T16:43:35","indexId":"70037674","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Summary of the Second International Planetary Dunes Workshop: Planetary Analogs - Integrating Models, Remote Sensing, and Field Data, Alamosa, Colorado, USA, May 18-21, 2010","docAbstract":"The Second International Planetary Dunes Workshop took place in Alamosa, Colorado, USA from May 18-21, 2010. The workshop brought together researchers from diverse backgrounds to foster discussion and collaboration regarding terrestrial and extra-terrestrial dunes and dune systems. Two and a half days were spent on five oral sessions and one poster session, a full-day field trip to Great Sand Dunes National Park, with a great deal of time purposefully left open for discussion. On the last day of the workshop, participants assembled a list of thirteen priorities for future research on planetary dune systems. ?? 2010.","largerWorkTitle":"Aeolian Research","language":"English","doi":"10.1016/j.aeolia.2010.09.001","issn":"18759637","usgsCitation":"Fenton, L., Bishop, M., Bourke, M., Bristow, C., Hayward, R., Horgan, B., Lancaster, N., Michaels, T., Tirsch, D., Titus, T., and Valdez, A., 2010, Summary of the Second International Planetary Dunes Workshop: Planetary Analogs - Integrating Models, Remote Sensing, and Field Data, Alamosa, Colorado, USA, May 18-21, 2010, <i>in</i> Aeolian Research, v. 2, no. 2-3, p. 173-178, https://doi.org/10.1016/j.aeolia.2010.09.001.","startPage":"173","endPage":"178","numberOfPages":"6","costCenters":[],"links":[{"id":487886,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1016/j.aeolia.2010.09.001>.","text":"External Repository"},{"id":218080,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.aeolia.2010.09.001"},{"id":246061,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","issue":"2-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9ef2e4b08c986b31e236","contributors":{"authors":[{"text":"Fenton, L.K.","contributorId":102189,"corporation":false,"usgs":true,"family":"Fenton","given":"L.K.","affiliations":[],"preferred":false,"id":462229,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bishop, M.A.","contributorId":95426,"corporation":false,"usgs":true,"family":"Bishop","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":462226,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bourke, M.C.","contributorId":59165,"corporation":false,"usgs":true,"family":"Bourke","given":"M.C.","email":"","affiliations":[],"preferred":false,"id":462223,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bristow, C.S.","contributorId":41684,"corporation":false,"usgs":true,"family":"Bristow","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":462222,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hayward, R.K.","contributorId":31885,"corporation":false,"usgs":true,"family":"Hayward","given":"R.K.","email":"","affiliations":[],"preferred":false,"id":462220,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Horgan, B.H.","contributorId":99409,"corporation":false,"usgs":true,"family":"Horgan","given":"B.H.","email":"","affiliations":[],"preferred":false,"id":462227,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Lancaster, N.","contributorId":36330,"corporation":false,"usgs":true,"family":"Lancaster","given":"N.","email":"","affiliations":[],"preferred":false,"id":462221,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Michaels, T.I.","contributorId":100632,"corporation":false,"usgs":true,"family":"Michaels","given":"T.I.","email":"","affiliations":[],"preferred":false,"id":462228,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Tirsch, D.","contributorId":68997,"corporation":false,"usgs":true,"family":"Tirsch","given":"D.","affiliations":[],"preferred":false,"id":462224,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Titus, T.N.","contributorId":102615,"corporation":false,"usgs":true,"family":"Titus","given":"T.N.","email":"","affiliations":[],"preferred":false,"id":462230,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Valdez, A.","contributorId":80127,"corporation":false,"usgs":true,"family":"Valdez","given":"A.","email":"","affiliations":[],"preferred":false,"id":462225,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70034258,"text":"70034258 - 2010 - Sources of suspended-sediment flux in streams of the chesapeake bay watershed: A regional application of the sparrow model","interactions":[],"lastModifiedDate":"2012-03-12T17:21:46","indexId":"70034258","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2529,"text":"Journal of the American Water Resources Association","active":true,"publicationSubtype":{"id":10}},"title":"Sources of suspended-sediment flux in streams of the chesapeake bay watershed: A regional application of the sparrow model","docAbstract":"We describe the sources and transport of fluvial suspended sediment in nontidal streams of the Chesapeake Bay watershed and vicinity. We applied SPAtially Referenced Regressions on Watershed attributes, which spatially correlates estimated mean annual flux of suspended sediment in nontidal streams with sources of suspended sediment and transport factors. According to our model, urban development generates on average the greatest amount of suspended sediment per unit area (3,928 Mg/km2/year), although agriculture is much more widespread and is the greatest overall source of suspended sediment (57 Mg/km2/year). Factors affecting sediment transport from uplands to streams include mean basin slope, reservoirs, physiography, and soil permeability. On average, 59% of upland suspended sediment generated is temporarily stored along large rivers draining the Coastal Plain or in reservoirs throughout the watershed. Applying erosion and sediment controls from agriculture and urban development in areas of the northern Piedmont close to the upper Bay, where the combined effects of watershed characteristics on sediment transport have the greatest influence may be most helpful in mitigating sedimentation in the bay and its tributaries. Stream restoration efforts addressing floodplain and bank stabilization and incision may be more effective in smaller, headwater streams outside of the Coastal Plain. ?? 2010 American Water Resources Association. No claim to original U.S. government works.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the American Water Resources Association","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1752-1688.2010.00450.x","issn":"1093474X","usgsCitation":"Brakebill, J., Ator, S., and Schwarz, G., 2010, Sources of suspended-sediment flux in streams of the chesapeake bay watershed: A regional application of the sparrow model: Journal of the American Water Resources Association, v. 46, no. 4, p. 757-776, https://doi.org/10.1111/j.1752-1688.2010.00450.x.","startPage":"757","endPage":"776","numberOfPages":"20","costCenters":[],"links":[{"id":475988,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1752-1688.2010.00450.x","text":"Publisher Index Page"},{"id":216764,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1752-1688.2010.00450.x"},{"id":244651,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"46","issue":"4","noUsgsAuthors":false,"publicationDate":"2010-07-26","publicationStatus":"PW","scienceBaseUri":"505b9394e4b08c986b31a58c","contributors":{"authors":[{"text":"Brakebill, J. W.","contributorId":48206,"corporation":false,"usgs":true,"family":"Brakebill","given":"J. W.","affiliations":[],"preferred":false,"id":444951,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ator, S.W. 0000-0002-9186-4837","orcid":"https://orcid.org/0000-0002-9186-4837","contributorId":104100,"corporation":false,"usgs":true,"family":"Ator","given":"S.W.","affiliations":[],"preferred":false,"id":444952,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schwarz, G. E. 0000-0002-9239-4566","orcid":"https://orcid.org/0000-0002-9239-4566","contributorId":14852,"corporation":false,"usgs":true,"family":"Schwarz","given":"G. E.","affiliations":[],"preferred":false,"id":444950,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70034259,"text":"70034259 - 2010 - The release of dissolved nutrients and metals from coastal sediments due to resuspension","interactions":[],"lastModifiedDate":"2017-08-30T14:21:12","indexId":"70034259","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2662,"text":"Marine Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"The release of dissolved nutrients and metals from coastal sediments due to resuspension","docAbstract":"Coastal sediments in many regions are impacted by high levels of contaminants. Due to a combination of shallow water depths, waves, and currents, these sediments are subject to regular episodes of sediment resuspension. However, the influence of such disturbances on sediment chemistry and the release of solutes is poorly understood. The aim of this study is to quantify the release of dissolved metals (iron, manganese, silver, copper, and lead) and nutrients due to resuspension in Boston Harbor, Massachusetts, USA. Using a laboratory-based erosion chamber, a range of typical shear stresses was applied to fine-grained Harbor sediments and the solute concentration at each shear stress was measured. At low shear stress, below the erosion threshold, limited solutes were released. Beyond the erosion threshold, a release of all solutes, except lead, was observed and the concentrations increased with shear stress. The release was greater than could be accounted for by conservative mixing of porewaters into the overlying water, suggesting that sediment resuspension enhances the release of nutrients and metals to the dissolved phase. To address the long-term fate of resuspended particles, samples from the erosion chamber were maintained in suspension for 90. h. Over this time, 5-7% of the particulate copper and silver was released to the dissolved phase, while manganese was removed from solution. Thus resuspension releases solutes both during erosion events and over a longer timescale due to reactions of suspended particles in the water column. The magnitude of the annual solute release during erosion events was estimated by coupling the erosion chamber results with a record of bottom shear stresses simulated by a hydrodynamic model. The release of dissolved copper, lead, and phosphate due to resuspension is between 2% and 10% of the total (dissolved plus particulate phase) known inputs to Boston Harbor. Sediment resuspension is responsible for transferring a significant quantity of solid phase metals to the more bioavailable and mobile dissolved phase. The relative importance of sediment resuspension as a source of dissolved metals to Boston Harbor is expected to increase as continuing pollutant control decreases the inputs from other sources. ?? 2010 Elsevier B.V.","language":"English","publisher":"Elsevier","doi":"10.1016/j.marchem.2010.05.002","issn":"03044203","usgsCitation":"Kalnejais, L.H., Martin, W.R., and Bothner, M., 2010, The release of dissolved nutrients and metals from coastal sediments due to resuspension: Marine Chemistry, v. 121, no. 1-4, p. 224-235, https://doi.org/10.1016/j.marchem.2010.05.002.","productDescription":"12 p.","startPage":"224","endPage":"235","numberOfPages":"12","ipdsId":"IP-013150","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":244682,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216790,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.marchem.2010.05.002"}],"volume":"121","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505baf30e4b08c986b3245fe","contributors":{"authors":[{"text":"Kalnejais, Linda H.","contributorId":24865,"corporation":false,"usgs":true,"family":"Kalnejais","given":"Linda","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":444954,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Martin, William R.","contributorId":196033,"corporation":false,"usgs":false,"family":"Martin","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":444953,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bothner, Michael H. mbothner@usgs.gov","contributorId":139855,"corporation":false,"usgs":true,"family":"Bothner","given":"Michael H.","email":"mbothner@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":444955,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70037300,"text":"70037300 - 2010 - Active shoreline of Ontario Lacus, Titan: A morphological study of the lake and its surroundings","interactions":[],"lastModifiedDate":"2012-03-12T17:22:08","indexId":"70037300","displayToPublicDate":"2010-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Active shoreline of Ontario Lacus, Titan: A morphological study of the lake and its surroundings","docAbstract":"Of more than 400 filled lakes now identified on Titan, the first and largest reported in the southern latitudes is Ontario Lacus, which is dark in both infrared and microwave. Here we describe recent observations including synthetic aperture radar (SAR) images by Cassini's radar instrument (??= 2 cm) and show morphological evidence for active material transport and erosion. Ontario Lacus lies in a shallow depression, with greater relief on the southwestern shore and a gently sloping, possibly wave-generated beach to the northeast. The lake has a closed internal drainage system fed by Earth-like rivers, deltas and alluvial fans. Evidence for active shoreline processes, including the wave-modified lakefront and deltaic deposition, indicates that Ontario is a dynamic feature undergoing typical terrestrial forms of littoral modification. Copyright ?? 2010 by the American Geophysical Union.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1029/2009GL041821","issn":"00948276","usgsCitation":"Wall, S., Hayes, A., Bristow, C., Lorenz, R., Stofan, E., Lunine, J., Le, G.A., Janssen, M., Lopes, R., Wye, L., Soderblom, L., Paillou, P., Aharonson, O., Zebker, H., Farr, T., Mitri, G., Kirk, R., Mitchell, K., Notarnicola, C., Casarano, D., and Ventura, B., 2010, Active shoreline of Ontario Lacus, Titan: A morphological study of the lake and its surroundings: Geophysical Research Letters, v. 37, no. 5, https://doi.org/10.1029/2009GL041821.","costCenters":[],"links":[{"id":475934,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://hal.science/hal-00495897","text":"External Repository"},{"id":244968,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":217057,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2009GL041821"}],"volume":"37","issue":"5","noUsgsAuthors":false,"publicationDate":"2010-03-06","publicationStatus":"PW","scienceBaseUri":"5059e6ace4b0c8380cd4759b","contributors":{"authors":[{"text":"Wall, S.","contributorId":103774,"corporation":false,"usgs":true,"family":"Wall","given":"S.","affiliations":[],"preferred":false,"id":460344,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hayes, A.","contributorId":26415,"corporation":false,"usgs":true,"family":"Hayes","given":"A.","affiliations":[],"preferred":false,"id":460330,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bristow, C.","contributorId":81724,"corporation":false,"usgs":true,"family":"Bristow","given":"C.","email":"","affiliations":[],"preferred":false,"id":460341,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lorenz, R.","contributorId":49503,"corporation":false,"usgs":true,"family":"Lorenz","given":"R.","affiliations":[],"preferred":false,"id":460336,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stofan, E.","contributorId":99268,"corporation":false,"usgs":true,"family":"Stofan","given":"E.","affiliations":[],"preferred":false,"id":460343,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lunine, J.","contributorId":42335,"corporation":false,"usgs":true,"family":"Lunine","given":"J.","affiliations":[],"preferred":false,"id":460334,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Le, Gall 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