{"pageNumber":"1797","pageRowStart":"44900","pageSize":"25","recordCount":184617,"records":[{"id":70036200,"text":"70036200 - 2011 - Evidence of two genetic clusters of manatees with low genetic diversity in Mexico and implications for their conservation","interactions":[],"lastModifiedDate":"2021-01-25T19:57:43.863748","indexId":"70036200","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1739,"text":"Genetica","active":true,"publicationSubtype":{"id":10}},"title":"Evidence of two genetic clusters of manatees with low genetic diversity in Mexico and implications for their conservation","docAbstract":"<p><span>The Antillean manatee (</span><i>Trichechus manatus manatus</i><span>) occupies the tropical coastal waters of the Greater Antilles and Caribbean, extending from Mexico along Central and South America to Brazil. Historically, manatees were abundant in Mexico, but hunting during the pre-Columbian period, the Spanish colonization and throughout the history of Mexico, has resulted in the significantly reduced population occupying Mexico today. The genetic structure, using microsatellites, shows the presence of two populations in Mexico: the Gulf of Mexico (GMx) and Chetumal Bay (ChB) on the Caribbean coast, with a zone of admixture in between. Both populations show low genetic diversity (GMx: N</span><sub>A</sub><span>&nbsp;=&nbsp;2.69; H</span><sub>E</sub><span>&nbsp;=&nbsp;0.41 and ChB: N</span><sub>A</sub><span>&nbsp;=&nbsp;3.0; H</span><sub>E</sub><span>&nbsp;=&nbsp;0.46). The lower genetic diversity found in the GMx, the largest manatee population in Mexico, is probably due to a combination of a founder effect, as this is the northern range of the sub-species of&nbsp;</span><i>T. m. manatus</i><span>, and a bottleneck event. The greater genetic diversity observed along the Caribbean coast, which also has the smallest estimated number of individuals, is possibly due to manatees that come from the GMx and Belize. There is evidence to support limited or unidirectional gene flow between these two important areas. The analyses presented here also suggest minimal evidence of a handful of individual migrants possibly between Florida and Mexico. To address management issues we suggest considering two distinct genetic populations in Mexico, one along the Caribbean coast and one in the riverine systems connected to the GMx.</span></p>","language":"English","publisher":"Springer Link","doi":"10.1007/s10709-011-9583-z","issn":"00166707","usgsCitation":"Nourisson, C., Morales-Vela, B., Padilla-Saldivar, J., Tucker, K., Clark, A., Olivera-Gomez, L.D., Bonde, R.K., and McGuire, P., 2011, Evidence of two genetic clusters of manatees with low genetic diversity in Mexico and implications for their conservation: Genetica, v. 139, no. 7, p. 833-842, https://doi.org/10.1007/s10709-011-9583-z.","productDescription":"10 p.","startPage":"833","endPage":"842","costCenters":[],"links":[{"id":246364,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218363,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10709-011-9583-z"}],"country":"Mexico","otherGeospatial":"Coastal waters of the Greater Antilles and Caribbean","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -98.525390625,\n              17.056784609942554\n            ],\n            [\n              -85.78125,\n              17.056784609942554\n            ],\n            [\n              -85.78125,\n              22.105998799750566\n            ],\n            [\n              -98.525390625,\n              22.105998799750566\n            ],\n            [\n              -98.525390625,\n              17.056784609942554\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"139","issue":"7","noUsgsAuthors":false,"publicationDate":"2011-06-17","publicationStatus":"PW","scienceBaseUri":"505a0d6fe4b0c8380cd52ffe","contributors":{"authors":[{"text":"Nourisson, C.","contributorId":103873,"corporation":false,"usgs":true,"family":"Nourisson","given":"C.","affiliations":[],"preferred":false,"id":454838,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morales-Vela, B.","contributorId":32481,"corporation":false,"usgs":false,"family":"Morales-Vela","given":"B.","email":"","affiliations":[],"preferred":false,"id":454831,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Padilla-Saldivar, J.","contributorId":77403,"corporation":false,"usgs":true,"family":"Padilla-Saldivar","given":"J.","affiliations":[],"preferred":false,"id":454834,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tucker, K.P.","contributorId":98449,"corporation":false,"usgs":true,"family":"Tucker","given":"K.P.","email":"","affiliations":[],"preferred":false,"id":454837,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Clark, A.","contributorId":50476,"corporation":false,"usgs":false,"family":"Clark","given":"A.","affiliations":[],"preferred":false,"id":454832,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Olivera-Gomez, L. D.","contributorId":98156,"corporation":false,"usgs":true,"family":"Olivera-Gomez","given":"L.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":454836,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Bonde, Robert K. 0000-0001-9179-4376 rbonde@usgs.gov","orcid":"https://orcid.org/0000-0001-9179-4376","contributorId":2675,"corporation":false,"usgs":true,"family":"Bonde","given":"Robert","email":"rbonde@usgs.gov","middleInitial":"K.","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":454835,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"McGuire, P.","contributorId":65039,"corporation":false,"usgs":true,"family":"McGuire","given":"P.","email":"","affiliations":[],"preferred":false,"id":454833,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70035395,"text":"70035395 - 2011 - Potential increase in floods in California's Sierra Nevada under future climate projections","interactions":[],"lastModifiedDate":"2021-02-24T19:19:07.269921","indexId":"70035395","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1252,"text":"Climatic Change","active":true,"publicationSubtype":{"id":10}},"title":"Potential increase in floods in California's Sierra Nevada under future climate projections","docAbstract":"<p><span>California’s mountainous topography, exposure to occasional heavily moisture-laden storm systems, and varied communities and infrastructures in low lying areas make it highly vulnerable to floods. An important question facing the state—in terms of protecting the public and formulating water management responses to climate change—is “how might future climate changes affect flood characteristics in California?” To help address this, we simulate floods on the western slopes of the Sierra Nevada Mountains, the state’s primary catchment, based on downscaled daily precipitation and temperature projections from three General Circulation Models (GCMs). These climate projections are fed into the Variable Infiltration Capacity (VIC) hydrologic model, and the VIC-simulated streamflows and hydrologic conditions, from historical and from projected climate change runs, allow us to evaluate possible changes in annual maximum 3-day flood magnitudes and frequencies of floods. By the end of the 21st Century, all projections yield larger-than-historical floods, for both the Northern Sierra Nevada (NSN) and for the Southern Sierra Nevada (SSN). The increases in flood magnitude are statistically significant (at&nbsp;</span><i>p</i><span> &lt;= 0.01) for all the three GCMs in the period 2051–2099. The frequency of flood events above selected historical thresholds also increases under projections from CNRM CM3 and NCAR PCM1 climate models, while under the third scenario, GFDL CM2.1, frequencies remain constant or decline slightly, owing to an overall drying trend. These increases appear to derive jointly from increases in heavy precipitation amount, storm frequencies, and days with more precipitation falling as rain and less as snow. Increases in antecedent winter soil moisture also play a role in some areas. Thus, a complex, as-yet unpredictable interplay of several different climatic influences threatens to cause increased flood hazards in California’s complex western Sierra landscapes.</span></p>","language":"English","publisher":"Springer Link","doi":"10.1007/s10584-011-0298-z","issn":"01650009","usgsCitation":"Das, T., Dettinger, M.D., Cayan, D., and Hidalgo, H., 2011, Potential increase in floods in California's Sierra Nevada under future climate projections: Climatic Change, v. 109, no. SUPPL. 1, p. 71-94, https://doi.org/10.1007/s10584-011-0298-z.","productDescription":"24 p.","startPage":"71","endPage":"94","costCenters":[],"links":[{"id":487253,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://link.springer.com/article/10.1007%2Fs10584-011-0298-z","text":"External Repository"},{"id":243019,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215230,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10584-011-0298-z"}],"country":"United States","state":"California","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -120.0146484375,\n              41.96765920367816\n            ],\n            [\n              -122.6953125,\n              42.032974332441405\n            ],\n            [\n              -122.82714843749999,\n              39.605688178320804\n            ],\n            [\n              -122.16796875,\n              38.51378825951165\n            ],\n            [\n              -120.0146484375,\n              36.94989178681327\n            ],\n            [\n              -118.564453125,\n              37.996162679728116\n            ],\n            [\n              -120.0146484375,\n              38.85682013474361\n            ],\n            [\n              -120.0146484375,\n              41.96765920367816\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"109","issue":"SUPPL. 1","noUsgsAuthors":false,"publicationDate":"2011-11-24","publicationStatus":"PW","scienceBaseUri":"505a7f43e4b0c8380cd7aa11","contributors":{"authors":[{"text":"Das, T.","contributorId":99383,"corporation":false,"usgs":true,"family":"Das","given":"T.","email":"","affiliations":[],"preferred":false,"id":450453,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dettinger, M. D. 0000-0002-7509-7332","orcid":"https://orcid.org/0000-0002-7509-7332","contributorId":93069,"corporation":false,"usgs":false,"family":"Dettinger","given":"M.","middleInitial":"D.","affiliations":[{"id":16196,"text":"Scripps Institution of Oceanography, La Jolla, CA","active":true,"usgs":false}],"preferred":false,"id":450452,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cayan, D.R.","contributorId":25961,"corporation":false,"usgs":false,"family":"Cayan","given":"D.R.","email":"","affiliations":[{"id":16196,"text":"Scripps Institution of Oceanography, La Jolla, CA","active":true,"usgs":false}],"preferred":false,"id":450450,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hidalgo, H.G.","contributorId":81229,"corporation":false,"usgs":true,"family":"Hidalgo","given":"H.G.","email":"","affiliations":[],"preferred":false,"id":450451,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70035722,"text":"70035722 - 2011 - Gas geochemistry of the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: implications for gas hydrate exploration in the Arctic","interactions":[],"lastModifiedDate":"2013-05-28T10:05:20","indexId":"70035722","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2682,"text":"Marine and Petroleum Geology","active":true,"publicationSubtype":{"id":10}},"title":"Gas geochemistry of the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: implications for gas hydrate exploration in the Arctic","docAbstract":"Gases were analyzed from well cuttings, core, gas hydrate, and formation tests at the BPXA-DOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test Well, drilled within the Milne Point Unit, Alaska North Slope. The well penetrated a portion of the Eileen gas hydrate deposit, which overlies the more deeply buried Prudhoe Bay, Milne Point, West Sak, and Kuparuk River oil fields. Gas sources in the upper 200 m are predominantly from microbial sources (C<sub>1</sub> isotopic compositions ranging from −86.4 to −80.6‰). The C<sub>1</sub> isotopic composition becomes progressively enriched from 200 m to the top of the gas hydrate-bearing sands at 600 m. The tested gas hydrates occur in two primary intervals, units D and C, between 614.0 m and 664.7 m, containing a total of 29.3 m of gas hydrate-bearing sands. The hydrocarbon gases in cuttings and core samples from 604 to 914 m are composed of methane with very little ethane. The isotopic composition of the methane carbon ranges from −50.1 to −43.9‰ with several outliers, generally decreasing with depth. Gas samples collected by the Modular Formation Dynamics Testing (MDT) tool in the hydrate-bearing units were similarly composed mainly of methane, with up to 284 ppm ethane. The methane isotopic composition ranged from −48.2 to −48.0‰ in the C sand and from −48.4 to −46.6‰ in the D sand. Methane hydrogen isotopic composition ranged from −238 to −230‰, with slightly more depleted values in the deeper C sand. These results are consistent with the concept that the Eileen gas hydrates contain a mixture of deep-sourced, microbially biodegraded thermogenic gas, with lesser amounts of thermogenic oil-associated gas, and coal gas. Thermal gases are likely sourced from existing oil and gas accumulations that have migrated up-dip and/or up-fault and formed gas hydrate in response to climate cooling with permafrost formation.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Marine and Petroleum Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.marpetgeo.2010.02.007","issn":"02648172","usgsCitation":"Lorenson, T., Collett, T.S., and Hunter, R., 2011, Gas geochemistry of the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: implications for gas hydrate exploration in the Arctic: Marine and Petroleum Geology, v. 28, no. 2, p. 343-360, https://doi.org/10.1016/j.marpetgeo.2010.02.007.","productDescription":"18 p.","startPage":"343","endPage":"360","costCenters":[],"links":[{"id":216135,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.marpetgeo.2010.02.007"},{"id":243982,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Alaska North Slope","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -166.85,68.0 ], [ -166.85,71.39 ], [ -141.0,71.39 ], [ -141.0,68.0 ], [ -166.85,68.0 ] ] ] } } ] }","volume":"28","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a14cae4b0c8380cd54b7d","contributors":{"authors":[{"text":"Lorenson, T.D.","contributorId":7715,"corporation":false,"usgs":true,"family":"Lorenson","given":"T.D.","email":"","affiliations":[],"preferred":false,"id":452063,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Collett, T. S. 0000-0002-7598-4708","orcid":"https://orcid.org/0000-0002-7598-4708","contributorId":86342,"corporation":false,"usgs":true,"family":"Collett","given":"T.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":452065,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hunter, R.B.","contributorId":29538,"corporation":false,"usgs":true,"family":"Hunter","given":"R.B.","email":"","affiliations":[],"preferred":false,"id":452064,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70036198,"text":"70036198 - 2011 - Predator-induced demographic shifts in coral reef fish assemblages","interactions":[],"lastModifiedDate":"2021-01-25T20:12:00.525113","indexId":"70036198","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2980,"text":"PLoS ONE","active":true,"publicationSubtype":{"id":10}},"title":"Predator-induced demographic shifts in coral reef fish assemblages","docAbstract":"<p><span>In recent years, it has become apparent that human impacts have altered community structure in coastal and marine ecosystems worldwide. Of these, fishing is one of the most pervasive, and a growing body of work suggests that fishing can have strong effects on the ecology of target species, especially top predators. However, the effects of removing top predators on lower trophic groups of prey fishes are less clear, particularly in highly diverse and trophically complex coral reef ecosystems. We examined patterns of abundance, size structure, and age-based demography through surveys and collection-based studies of five fish species from a variety of trophic levels at Kiritimati and Palmyra, two nearby atolls in the Northern Line Islands. These islands have similar biogeography and oceanography, and yet Kiritimati has ∼10,000 people with extensive local fishing while Palmyra is a US National Wildlife Refuge with no permanent human population, no fishing, and an intact predator fauna. Surveys indicated that top predators were relatively larger and more abundant at unfished Palmyra, while prey functional groups were relatively smaller but showed no clear trends in abundance as would be expected from classic trophic cascades. Through detailed analyses of focal species, we found that size and longevity of a top predator were lower at fished Kiritimati than at unfished Palmyra. Demographic patterns also shifted dramatically for 4 of 5 fish species in lower trophic groups, opposite in direction to the top predator, including decreases in average size and longevity at Palmyra relative to Kiritimati. Overall, these results suggest that fishing may alter community structure in complex and non-intuitive ways, and that indirect demographic effects should be considered more broadly in ecosystem-based management.</span></p>","largerWorkTitle":"PLoS ONE","language":"English","publisher":"PLoS","doi":"10.1371/journal.pone.0021062","issn":"19326203","usgsCitation":"Ruttenberg, B., Hamilton, S., Walsh, S., Donovan, M., Friedlander, A.M., DeMartini, E., Sala, E., and Sandin, S., 2011, Predator-induced demographic shifts in coral reef fish assemblages: PLoS ONE, v. 6, no. 6, e21062, 9 p., https://doi.org/10.1371/journal.pone.0021062.","productDescription":"e21062, 9 p.","costCenters":[],"links":[{"id":475430,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1371/journal.pone.0021062","text":"Publisher Index Page"},{"id":246304,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218305,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1371/journal.pone.0021062"}],"otherGeospatial":"Northern Line Islands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -162.158203125,\n              5.178482088522876\n            ],\n            [\n              -152.666015625,\n              5.178482088522876\n            ],\n            [\n              -152.666015625,\n              8.059229627200192\n            ],\n            [\n              -162.158203125,\n              8.059229627200192\n            ],\n            [\n              -162.158203125,\n              5.178482088522876\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"6","issue":"6","noUsgsAuthors":false,"publicationDate":"2011-06-16","publicationStatus":"PW","scienceBaseUri":"505a8175e4b0c8380cd7b53c","contributors":{"authors":[{"text":"Ruttenberg, B.I.","contributorId":21804,"corporation":false,"usgs":true,"family":"Ruttenberg","given":"B.I.","email":"","affiliations":[],"preferred":false,"id":454792,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hamilton, S.L.","contributorId":107546,"corporation":false,"usgs":true,"family":"Hamilton","given":"S.L.","email":"","affiliations":[],"preferred":false,"id":454797,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Walsh, S.M.","contributorId":89387,"corporation":false,"usgs":true,"family":"Walsh","given":"S.M.","email":"","affiliations":[],"preferred":false,"id":454796,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Donovan, Mary 0000-0001-6855-0197","orcid":"https://orcid.org/0000-0001-6855-0197","contributorId":229696,"corporation":false,"usgs":false,"family":"Donovan","given":"Mary","email":"","affiliations":[{"id":35760,"text":"University of Hawai'i","active":true,"usgs":false}],"preferred":false,"id":454794,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Friedlander, Alan M. afriedlander@usgs.gov","contributorId":4296,"corporation":false,"usgs":true,"family":"Friedlander","given":"Alan","email":"afriedlander@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":false,"id":454790,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"DeMartini, E.","contributorId":54053,"corporation":false,"usgs":true,"family":"DeMartini","given":"E.","email":"","affiliations":[],"preferred":false,"id":454793,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Sala, E.","contributorId":74615,"corporation":false,"usgs":true,"family":"Sala","given":"E.","email":"","affiliations":[],"preferred":false,"id":454795,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Sandin, S.A.","contributorId":13078,"corporation":false,"usgs":true,"family":"Sandin","given":"S.A.","email":"","affiliations":[],"preferred":false,"id":454791,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70035394,"text":"70035394 - 2011 - Shallow conduit system at Kilauea Volcano, Hawaii, revealed by seismic signals associated with degassing bursts","interactions":[],"lastModifiedDate":"2012-12-10T16:10:47","indexId":"70035394","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Shallow conduit system at Kilauea Volcano, Hawaii, revealed by seismic signals associated with degassing bursts","docAbstract":"Eruptive activity at the summit of Kilauea Volcano, Hawaii, beginning in March, 2008 and continuing to the present time is characterized by episodic explosive bursts of gas and ash from a vent within Halemaumau Pit Crater. These bursts are accompanied by seismic signals that are well recorded by a broadband network deployed in the summit caldera. We investigate in detail the dimensions and oscillation modes of the source of a representative burst in the 1−10 s band. An extended source is realized by a set of point sources distributed on a grid surrounding the source centroid, where the centroid position and source geometry are fixed from previous modeling of very-long-period (VLP) data in the 10–50 s band. The source time histories of all point sources are obtained simultaneously through waveform inversion carried out in the frequency domain. Short-scale noisy fluctuations of the source time histories between adjacent sources are suppressed with a smoothing constraint, whose strength is determined through a minimization of the Akaike Bayesian Information Criterion (ABIC). Waveform inversions carried out for homogeneous and heterogeneous velocity structures both image a dominant source component in the form of an east trending dike with dimensions of 2.9 × 2.9 km. The dike extends ∼2 km west and ∼0.9 km east of the VLP centroid and spans the depth range 0.2–3.1 km. The source model for a homogeneous velocity structure suggests the dike is hinged at the source centroid where it bends from a strike E 27°N with northern dip of 85° west of the centroid, to a strike E 7°N with northern dip of 80° east of the centroid. The oscillating behavior of the dike is dominated by simple harmonic modes with frequencies ∼0.2 Hz and ∼0.5 Hz, representing the fundamental mode <i>ν</i><sub>11</sub> and first degenerate mode <i>ν</i><sub>12</sub> = <i>ν</i><sub>21</sub> of the dike. Although not strongly supported by data in the 1–10 s band, a north striking dike segment is required for enhanced compatibility with the model elaborated in the 10–50 s band. This dike provides connectivity between the east trending dike and the new vent within Halemaumau Pit Crater. Waveform inversions with a dual-dike model suggest dimensions of 0.7 × 0.7 km to 2.6 × 2.6 km for this segment. Further elaboration of the complex dike system under Halemaumau does not appear to be feasible with presently available data.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geophysical Research B: Solid Earth","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2011JB008677","issn":"01480227","usgsCitation":"Chouet, B., and Dawson, P., 2011, Shallow conduit system at Kilauea Volcano, Hawaii, revealed by seismic signals associated with degassing bursts: Journal of Geophysical Research B: Solid Earth, v. 116, no. 12, https://doi.org/10.1029/2011JB008677.","productDescription":"22 p.","startPage":"B12317","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":487252,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011jb008677","text":"Publisher Index Page"},{"id":215229,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011JB008677"},{"id":243018,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawai'i","otherGeospatial":"Kilauea Volcano","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -155.798371,19.056854 ], [ -155.798371,19.550464 ], [ -155.016307,19.550464 ], [ -155.016307,19.056854 ], [ -155.798371,19.056854 ] ] ] } } ] }","volume":"116","issue":"12","noUsgsAuthors":false,"publicationDate":"2011-12-29","publicationStatus":"PW","scienceBaseUri":"505b8e1ae4b08c986b31872d","contributors":{"authors":[{"text":"Chouet, Bernard","contributorId":65485,"corporation":false,"usgs":true,"family":"Chouet","given":"Bernard","affiliations":[],"preferred":false,"id":450449,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dawson, Phillip","contributorId":21780,"corporation":false,"usgs":true,"family":"Dawson","given":"Phillip","affiliations":[],"preferred":false,"id":450448,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70035727,"text":"70035727 - 2011 - Stochastic population dynamics in populations of western terrestrial garter snakes with divergent life histories","interactions":[],"lastModifiedDate":"2021-02-16T18:57:11.382931","indexId":"70035727","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Stochastic population dynamics in populations of western terrestrial garter snakes with divergent life histories","docAbstract":"<p><span>Comparative evaluations of population dynamics in species with temporal and spatial variation in life‐history traits are rare because they require long‐term demographic time series from multiple populations. We present such an analysis using demographic data collected during the interval 1978–1996 for six populations of western terrestrial garter snakes (</span><i>Thamnophis elegans</i><span>) from two evolutionarily divergent ecotypes. Three replicate populations from a slow‐living ecotype, found in mountain meadows of northeastern California, were characterized by individuals that develop slowly, mature late, reproduce infrequently with small reproductive effort, and live longer than individuals of three populations of a fast‐living ecotype found at lakeshore locales. We constructed matrix population models for each of the populations based on 8–13 years of data per population and analyzed both deterministic dynamics based on mean annual vital rates and stochastic dynamics incorporating annual variation in vital rates. (1) Contributions of highly variable vital rates to fitness (λ</span><sub>s</sub><span>) were buffered against the negative effects of stochastic variation, and this relationship was consistent with differences between the meadow (M‐slow) and lakeshore (L‐fast) ecotypes. (2) Annual variation in the proportion of gravid females had the greatest negative effect among all vital rates on λ</span><sub>s</sub><span>. The magnitude of variation in the proportion of gravid females and its effect on λ</span><sub>s</sub><span>&nbsp;was greater in M‐slow than L‐fast populations. (3) Variation in the proportion of gravid females, in turn, depended on annual variation in prey availability, and its effect on λ</span><sub>s</sub><span>&nbsp;was 4–23 times greater in M‐slow than L‐fast populations. In addition to differences in stochastic dynamics between ecotypes, we also found higher mean mortality rates across all age classes in the L‐fast populations. Our results suggest that both deterministic and stochastic selective forces have affected the evolution of divergent life‐history traits in the two ecotypes, which, in turn, affect population dynamics. M‐slow populations have evolved life‐history traits that buffer fitness against direct effects of variation in reproduction and that spread lifetime reproduction across a greater number of reproductive bouts. These results highlight the importance of long‐term demographic and environmental monitoring and of incorporating temporal dynamics into empirical studies of life‐history evolution.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.1890/10-1438.1","issn":"00129658","usgsCitation":"Miller, D.A., Clark, W., Arnold, S., and Bronikowski, A., 2011, Stochastic population dynamics in populations of western terrestrial garter snakes with divergent life histories: Ecology, v. 92, no. 8, p. 1658-1671, https://doi.org/10.1890/10-1438.1.","productDescription":"14 p.","startPage":"1658","endPage":"1671","costCenters":[],"links":[{"id":475108,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://lib.dr.iastate.edu/eeob_ag_pubs/187","text":"External Repository"},{"id":244078,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216220,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1890/10-1438.1"}],"country":"United States","state":"California","county":"Lassen","otherGeospatial":"Eagle 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David A.","contributorId":29193,"corporation":false,"usgs":false,"family":"Miller","given":"David","email":"","middleInitial":"A.","affiliations":[{"id":6911,"text":"Iowa State University","active":true,"usgs":false}],"preferred":false,"id":452087,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clark, W.R.","contributorId":70716,"corporation":false,"usgs":true,"family":"Clark","given":"W.R.","email":"","affiliations":[],"preferred":false,"id":452089,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Arnold, S.J.","contributorId":80112,"corporation":false,"usgs":true,"family":"Arnold","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":452090,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bronikowski, A.M.","contributorId":56880,"corporation":false,"usgs":true,"family":"Bronikowski","given":"A.M.","affiliations":[],"preferred":false,"id":452088,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70035728,"text":"70035728 - 2011 - Coexistence in streams: Do source-sink dynamics allow salamanders to persist with fish predators?","interactions":[],"lastModifiedDate":"2021-02-16T18:37:04.386805","indexId":"70035728","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2932,"text":"Oecologia","active":true,"publicationSubtype":{"id":10}},"title":"Coexistence in streams: Do source-sink dynamics allow salamanders to persist with fish predators?","docAbstract":"<p><span>Theory suggests that source–sink dynamics can allow coexistence of intraguild predators and prey, but empirical evidence for this coexistence mechanism is limited. We used capture–mark–recapture, genetic methods, and stable isotopes to test whether source–sink dynamics promote coexistence between stream fishes, the intraguild predator, and stream salamanders (</span><i>Dicamptodon aterrimus</i><span>), the intraguild prey. Salamander populations from upstream reaches without fish were predicted to maintain or supplement sink populations in downstream reaches with fish. We found instead that downstream reaches with fish were not sinks even though fish consumed salamander larvae—apparent survival, recruitment, and population growth rate did not differ between upstream and downstream reaches. There was also no difference between upstream and downstream reaches in net emigration. We did find that&nbsp;</span><i>D. aterrimus</i><span>&nbsp;moved frequently along streams, but believe that this is a response to seasonal habitat changes rather than intraguild predation. Our study provides empirical evidence that local-scale mechanisms are more important than dispersal dynamics to coexistence of streams salamanders and fish. More broadly, it shows the value of empirical data on dispersal and gene flow for distinguishing between local and spatial mechanisms of coexistence.</span></p>","language":"English","publisher":"Springer Link","doi":"10.1007/s00442-011-1935-y","issn":"00298549","usgsCitation":"Sepulveda, A.J., and Lowe, W., 2011, Coexistence in streams: Do source-sink dynamics allow salamanders to persist with fish predators?: Oecologia, v. 166, no. 4, p. 1043-1054, https://doi.org/10.1007/s00442-011-1935-y.","productDescription":"12 p.","startPage":"1043","endPage":"1054","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":244079,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216221,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00442-011-1935-y"}],"country":"United States","state":"Idaho","otherGeospatial":"Lochsa River basin of the Clearwater River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -115.653076171875,\n              46.145588688591964\n            ],\n            [\n              -114.268798828125,\n              46.145588688591964\n            ],\n            [\n              -114.268798828125,\n              46.93901161506044\n            ],\n            [\n              -115.653076171875,\n              46.93901161506044\n            ],\n            [\n              -115.653076171875,\n              46.145588688591964\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"166","issue":"4","noUsgsAuthors":false,"publicationDate":"2011-02-23","publicationStatus":"PW","scienceBaseUri":"5059f7a0e4b0c8380cd4cbff","contributors":{"authors":[{"text":"Sepulveda, Adam J. 0000-0001-7621-7028 asepulveda@usgs.gov","orcid":"https://orcid.org/0000-0001-7621-7028","contributorId":150628,"corporation":false,"usgs":true,"family":"Sepulveda","given":"Adam","email":"asepulveda@usgs.gov","middleInitial":"J.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":452091,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lowe, W.H.","contributorId":91961,"corporation":false,"usgs":true,"family":"Lowe","given":"W.H.","affiliations":[],"preferred":false,"id":452092,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70036197,"text":"70036197 - 2011 - Geology and petroleum potential of the rifted margins of the Canada Basin","interactions":[],"lastModifiedDate":"2021-01-25T20:34:56.68697","indexId":"70036197","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1784,"text":"Geological Society Memoir","active":true,"publicationSubtype":{"id":10}},"chapter":"34","title":"Geology and petroleum potential of the rifted margins of the Canada Basin","docAbstract":"<p><span>Three sides of the Canada Basin are bordered by high-standing, conjugate rift shoulders of the Chukchi Borderland, Alaska and Canada. The Alaska and Canada margins are mantled with thick, growth-faulted sediment prisms, and the Chukchi Borderland contains only a thin veneer of sediment. The rift-margin strata of Alaska and Canada reflect the tectonics and sediment dispersal systems of adjacent continental regions whereas the Chukchi Borderland was tectonically isolated from these sediment dispersal systems. Along the eastern Alaska–southern Canada margin, termed herein the ‘Canning–Mackenzie deformed margin’, the rifted margin is deformed by ongoing Brooks Range tectonism. Additional contractional structures occur in a gravity fold belt that may be present along the entire Alaska and Canada margins of the Canada Basin. Source-rock data inboard of the rift shoulders and regional palaeogeographic reconstructions suggest three potential source-rock intervals: Lower Cretaceous (Hauterivian–Albian), Upper Cretaceous (mostly Turonian) and Lower Palaeogene. Burial history modelling indicates favourable timing for generation from all three intervals beneath the Alaska and Canada passive margins, and an active petroleum system has been documented in the Canning–Mackenzie deformed margin. Assessment of undiscovered petroleum resources indicates the greatest potential in the Canning–Mackenzie deformed margin and significant potential in the Canada and Alaska passive margins.</span></p>","language":"English","publisher":"Geological Society of London","doi":"10.1144/M35.34","issn":"04354052","usgsCitation":"Houseknecht, D., and Bird, K.J., 2011, Geology and petroleum potential of the rifted margins of the Canada Basin: Geological Society Memoir, no. 35, p. 509-526, https://doi.org/10.1144/M35.34.","productDescription":"18 p.","startPage":"509","endPage":"526","ipdsId":"IP-013993","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":246273,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218276,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1144/M35.34"}],"country":"Canada","otherGeospatial":"Canada Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -153.6328125,\n              73.72659470212253\n            ],\n            [\n              -154.68749999999997,\n              69.28725695167886\n            ],\n            [\n              -127.265625,\n              68.26938680456564\n            ],\n            [\n              -108.6328125,\n              69.77895177646761\n            ],\n            [\n              -106.875,\n              73.92246884621463\n            ],\n            [\n              -79.1015625,\n              81.09321385260837\n            ],\n            [\n              -75.9375,\n              83.4803661137381\n            ],\n            [\n              -133.9453125,\n              83.599030708362\n            ],\n            [\n              -170.15625,\n              79.87429692631282\n            ],\n            [\n              -169.1015625,\n              74.1160468394894\n            ],\n            [\n              -152.2265625,\n              74.01954331150228\n            ],\n            [\n              -153.6328125,\n              73.72659470212253\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","issue":"35","noUsgsAuthors":false,"publicationDate":"2011-08-05","publicationStatus":"PW","scienceBaseUri":"5059f46ae4b0c8380cd4bd06","contributors":{"authors":[{"text":"Houseknecht, D.W. 0000-0002-9633-6910","orcid":"https://orcid.org/0000-0002-9633-6910","contributorId":33695,"corporation":false,"usgs":true,"family":"Houseknecht","given":"D.W.","affiliations":[],"preferred":false,"id":454788,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bird, Kenneth J. kbird@usgs.gov","contributorId":1015,"corporation":false,"usgs":true,"family":"Bird","given":"Kenneth","email":"kbird@usgs.gov","middleInitial":"J.","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":454789,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70036196,"text":"70036196 - 2011 - Circum-Arctic mapping project: New magnetic and gravity anomaly maps of the Arctic","interactions":[],"lastModifiedDate":"2021-01-25T20:48:00.867474","indexId":"70036196","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1784,"text":"Geological Society Memoir","active":true,"publicationSubtype":{"id":10}},"chapter":"3","title":"Circum-Arctic mapping project: New magnetic and gravity anomaly maps of the Arctic","docAbstract":"<p><span>New Circum-Arctic maps of magnetic and gravity anomalies have been produced by merging regional gridded data. Satellite magnetic and gravity data were used for quality control of the long wavelengths of the new compilations. The new Circum-Arctic digital compilations of magnetic, gravity and some of their derivatives have been analyzed together with other freely available regional and global data and models in order to provide a consistent view of the tectonically complex Arctic basins and surrounding continents. Sharp, linear contrasts between deeply buried basement blocks with different magnetic properties and densities that can be identified on these maps can be used, together with other geological and geophysical information, to refine the tectonic boundaries of the Arctic domain.</span></p>","language":"English","publisher":"Geological Society of London","doi":"10.1144/M35.3","issn":"04354052","usgsCitation":"Gaina, C., Werner, S., Saltus, R., Maus, S., Aaro, S., Damaske, D., Forsberg, R., Glebovsky, V., Johnson, K.K., Jonberger, J., Koren, T., Korhonen, J., Litvinova, T., Oakey, G., Olesen, O., Petrov, O., Pilkington, M., Rasmussen, T., Schreckenberger, B., and Smelror, M., 2011, Circum-Arctic mapping project: New magnetic and gravity anomaly maps of the Arctic: Geological Society Memoir, no. 35, p. 39-48, https://doi.org/10.1144/M35.3.","productDescription":"10 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,{"id":70036193,"text":"70036193 - 2011 - Dynamic resource allocation in conservation planning","interactions":[],"lastModifiedDate":"2021-01-25T21:16:21.782836","indexId":"70036193","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Dynamic resource allocation in conservation planning","docAbstract":"<p>Consider the problem of protecting endangered species by selecting patches of land to be used for conservation purposes. Typically, the availability of patches changes over time, and recommendations must be made dynamically. This is a challenging prototypical example of a sequential optimization problem under uncertainty in computational sustainability. Existing techniques do not scale to problems of realistic size. In this paper, we develop an efficient algorithm for adaptively making recommendations for dynamic conservation planning, and prove that it obtains near-optimal performance. We further evaluate our approach on a detailed reserve design case study of conservation planning for three rare species in the Pacific Northwest of the United States.</p>","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Proceedings of the National Conference on Artificial Intelligence","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"25th AAAI Conference on Artificial Intelligence and the 23rd Innovative Applications of Artificial Intelligence Conference, AAAI-11 / IAAI-11","conferenceDate":"August 7-11, 2011","conferenceLocation":"San Francisco, CA","language":"English","publisher":"Association for the Advancement of Artificial Intelligence","isbn":"9781577355090","usgsCitation":"Golovin, D., Krause, A., Gardner, B., Converse, S.J., and Morey, S., 2011, Dynamic resource allocation in conservation planning, <i>in</i> Proceedings of the National Conference on Artificial Intelligence, v. 2, San Francisco, CA, August 7-11, 2011, p. 1331-1336.","productDescription":"6 p.","startPage":"1331","endPage":"1336","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":246208,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0429e4b0c8380cd50811","contributors":{"authors":[{"text":"Golovin, D.","contributorId":24244,"corporation":false,"usgs":true,"family":"Golovin","given":"D.","affiliations":[],"preferred":false,"id":454756,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Krause, A.","contributorId":9927,"corporation":false,"usgs":true,"family":"Krause","given":"A.","email":"","affiliations":[],"preferred":false,"id":454755,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gardner, B.","contributorId":26793,"corporation":false,"usgs":true,"family":"Gardner","given":"B.","email":"","affiliations":[],"preferred":false,"id":454757,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Converse, Sarah J. 0000-0002-3719-5441 sconverse@usgs.gov","orcid":"https://orcid.org/0000-0002-3719-5441","contributorId":173772,"corporation":false,"usgs":true,"family":"Converse","given":"Sarah","email":"sconverse@usgs.gov","middleInitial":"J.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true},{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":454758,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Morey, S.","contributorId":101491,"corporation":false,"usgs":true,"family":"Morey","given":"S.","email":"","affiliations":[],"preferred":false,"id":454759,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70036299,"text":"70036299 - 2011 - The importance of within-year repeated counts and the influence of scale on long-term monitoring of sage-grouse","interactions":[],"lastModifiedDate":"2021-01-20T13:23:48.285199","indexId":"70036299","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"The importance of within-year repeated counts and the influence of scale on long-term monitoring of sage-grouse","docAbstract":"<p><span>Long‐term population monitoring is the cornerstone of animal conservation and management. The accuracy and precision of models developed using monitoring data can be influenced by the protocols guiding data collection. The greater sage‐grouse (</span><i>Centrocercus urophasianus</i><span>) is a species of concern that has been monitored over decades, primarily, by counting the number of males that attend lek (breeding) sites. These lek count data have been used to assess long‐term population trends and for multiple mechanistic studies. However, some studies have questioned the efficacy of lek counts to accurately identify population trends. In response, monitoring protocols were changed to have a goal of counting lek sites multiple times within a season. We assessed the influence of this change in monitoring protocols on model accuracy and precision applying generalized additive models to describe trends over time. We found that at large spatial scales including &gt;50 leks, the absence of repeated counts within a year did not significantly alter population trend estimates or interpretation. Increasing sample size decreased the model confidence intervals. We developed a population trend model for Wyoming greater sage‐grouse from 1965 to 2008, identifying significant changes in the population indices and capturing the cyclic nature of this species. Most sage‐grouse declines in Wyoming occurred between 1965 and the 1990s and lek count numbers generally increased from the mid‐1990s to 2008. Our results validate the combination of monitoring data collected under different protocols in past and future studies—provided those studies are addressing large‐scale questions. 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,{"id":70036192,"text":"70036192 - 2011 - Maintenance of phenotypic variation: Repeatability, heritability and size-dependent processes in a wild brook trout population","interactions":[],"lastModifiedDate":"2012-03-12T17:22:06","indexId":"70036192","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1601,"text":"Evolutionary Applications","active":true,"publicationSubtype":{"id":10}},"title":"Maintenance of phenotypic variation: Repeatability, heritability and size-dependent processes in a wild brook trout population","docAbstract":"Phenotypic variation in body size can result from within-cohort variation in birth dates, among-individual growth variation and size-selective processes. We explore the relative effects of these processes on the maintenance of wide observed body size variation in stream-dwelling brook trout (Salvelinus fontinalis). Based on the analyses of multiple recaptures of individual fish, it appears that size distributions are largely determined by the maintenance of early size variation. We found no evidence for size-dependent compensatory growth (which would reduce size variation) and found no indication that size-dependent survival substantially influenced body size distributions. Depensatory growth (faster growth by larger individuals) reinforced early size variation, but was relatively strong only during the first sampling interval (age-0, fall). Maternal decisions on the timing and location of spawning could have a major influence on early, and as our results suggest, later (>age-0) size distributions. If this is the case, our estimates of heritability of body size (body length=0.25) will be dominated by processes that generate and maintain early size differences. As a result, evolutionary responses to environmental change that are mediated by body size may be largely expressed via changes in the timing and location of reproduction. Published 2011. This article is a US Government work and is in the public domain in the USA.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Evolutionary Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1752-4571.2011.00184.x","issn":"17524563","usgsCitation":"Letcher, B., Coombs, J., and Nislow, K., 2011, Maintenance of phenotypic variation: Repeatability, heritability and size-dependent processes in a wild brook trout population: Evolutionary Applications, v. 4, no. 4, p. 602-615, https://doi.org/10.1111/j.1752-4571.2011.00184.x.","startPage":"602","endPage":"615","numberOfPages":"14","costCenters":[],"links":[{"id":475259,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1752-4571.2011.00184.x","text":"Publisher Index Page"},{"id":246207,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218217,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1752-4571.2011.00184.x"}],"volume":"4","issue":"4","noUsgsAuthors":false,"publicationDate":"2011-03-08","publicationStatus":"PW","scienceBaseUri":"505a4bfee4b0c8380cd69917","contributors":{"authors":[{"text":"Letcher, B. H. 0000-0003-0191-5678","orcid":"https://orcid.org/0000-0003-0191-5678","contributorId":48132,"corporation":false,"usgs":true,"family":"Letcher","given":"B.","middleInitial":"H.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":454752,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coombs, J.A.","contributorId":91295,"corporation":false,"usgs":true,"family":"Coombs","given":"J.A.","affiliations":[],"preferred":false,"id":454754,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nislow, K.H.","contributorId":66477,"corporation":false,"usgs":true,"family":"Nislow","given":"K.H.","affiliations":[],"preferred":false,"id":454753,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70036190,"text":"70036190 - 2011 - Acetate availability and its influence on sustainable bioremediation of Uranium-contaminated groundwater","interactions":[],"lastModifiedDate":"2021-01-25T21:21:10.969421","indexId":"70036190","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1800,"text":"Geomicrobiology Journal","active":true,"publicationSubtype":{"id":10}},"title":"Acetate availability and its influence on sustainable bioremediation of Uranium-contaminated groundwater","docAbstract":"<p><span>Field biostimulation experiments at the U.S. Department of Energy's Integrated Field Research Challenge (IFRC) site in Rifle, Colorado, have demonstrated that uranium concentrations in groundwater can be decreased to levels below the U.S. Environmental Protection Agency's (EPA) drinking water standard (0.126 μM). During successive summer experiments – referred to as “Winchester” (2007) and “Big Rusty” (2008) - acetate was added to the aquifer to stimulate the activity of indigenous dissimilatory metal-reducing bacteria capable of reductively immobilizing uranium. The two experiments differed in the length of injection (31 vs. 110 days), the maximum concentration of acetate (5 vs. 30 mM), and the extent to which iron reduction (“Winchester”) or sulfate reduction (“Big Rusty”) was the predominant metabolic process. In both cases, rapid removal of U(VI) from groundwater occurred at calcium concentrations (6 mM) and carbonate alkalinities (8&nbsp;meq/L) where Ca-UO</span><sub>2</sub><span>-CO</span><sub>3</sub><span>&nbsp;ternary complexes constitute &gt;90% of uranyl species in groundwater. Complete consumption of acetate and increased alkalinity (&gt;30 meq/L) accompanying the onset of sulfate reduction corresponded to temporary increases in U(VI); however, by increasing acetate concentrations in excess of available sulfate (10 mM), low U(VI) concentrations (0.1–0.05 μM) were achieved for extended periods of time (&gt;140 days). Uniform delivery of acetate during “Big Rusty” was impeded due to decreases in injection well permeability, likely resulting from biomass accumulation and carbonate and sulfide mineral precipitation. Such decreases were not observed during the short-duration “Winchester” experiment. Terminal restriction fragment length polymorphism (TRFLP) analysis of 16S rRNA genes demonstrated that&nbsp;</span><i>Geobacter</i><span>&nbsp;sp. and&nbsp;</span><i>Geobacter</i><span>-like strains dominated the groundwater community profile during iron reduction, with&nbsp;</span><sup>13</sup><span>C stable isotope probing (SIP) results confirming these strains were actively utilizing acetate to replicate their genome during the period of optimal U(VI) removal. Gene transcript levels during “Big Rusty” were quantified for&nbsp;</span><i>Geobacter</i><span>-specific citrate synthase (</span><i>gltA</i><span>), with ongoing transcription during sulfate reduction indicating that members of the&nbsp;</span><i>Geobacteraceae</i><span>&nbsp;were still active and likely contributing to U(VI) removal. The persistence of reducible Fe(III) in sediments recovered from an area of prolonged (110-day) sulfate reduction is consistent with this conclusion. These results indicate that acetate availability and its ability to sustain the activity of iron- and uranyl-respiring&nbsp;</span><i>Geobacter</i><span>&nbsp;strains during sulfate reduction exerts a primary control on optimized U(VI) removal from groundwater at the Rifle IFRC site over extended time scales (&gt;50 days).</span></p>","language":"English","publisher":"Taylor & Francis Online","doi":"10.1080/01490451.2010.520074","issn":"01490451","usgsCitation":"Williams, K., Long, P., Davis, J., Wilkins, M., N’Guessan, A.L., Steefel, C., Yang, L., Newcomer, D., Spane, F., Kerkhof, L., Mcguinness, L., Dayvault, R., and Lovley, D.R., 2011, Acetate availability and its influence on sustainable bioremediation of Uranium-contaminated groundwater: Geomicrobiology Journal, v. 28, no. 5-6, p. 519-539, https://doi.org/10.1080/01490451.2010.520074.","productDescription":"21 p.","startPage":"519","endPage":"539","costCenters":[],"links":[{"id":246175,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218189,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/01490451.2010.520074"}],"volume":"28","issue":"5-6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e68de4b0c8380cd474c3","contributors":{"authors":[{"text":"Williams, K.H.","contributorId":89386,"corporation":false,"usgs":true,"family":"Williams","given":"K.H.","email":"","affiliations":[],"preferred":false,"id":454745,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Long, P.E.","contributorId":37514,"corporation":false,"usgs":true,"family":"Long","given":"P.E.","email":"","affiliations":[],"preferred":false,"id":454737,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Davis, J.A.","contributorId":71694,"corporation":false,"usgs":true,"family":"Davis","given":"J.A.","email":"","affiliations":[],"preferred":false,"id":454741,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wilkins, M.J.","contributorId":46292,"corporation":false,"usgs":true,"family":"Wilkins","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":454738,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"N’Guessan, A. L.","contributorId":83775,"corporation":false,"usgs":true,"family":"N’Guessan","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":454743,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Steefel, Carl","contributorId":66932,"corporation":false,"usgs":false,"family":"Steefel","given":"Carl","email":"","affiliations":[{"id":6670,"text":"Lawrence Berkeley National Laboratory, Berkeley, CA","active":true,"usgs":false}],"preferred":false,"id":454740,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Yang, L.","contributorId":6200,"corporation":false,"usgs":true,"family":"Yang","given":"L.","affiliations":[],"preferred":false,"id":454734,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Newcomer, D.","contributorId":9900,"corporation":false,"usgs":true,"family":"Newcomer","given":"D.","email":"","affiliations":[],"preferred":false,"id":454735,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Spane, F.A.","contributorId":87792,"corporation":false,"usgs":true,"family":"Spane","given":"F.A.","affiliations":[],"preferred":false,"id":454744,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Kerkhof, L.J.","contributorId":77314,"corporation":false,"usgs":true,"family":"Kerkhof","given":"L.J.","email":"","affiliations":[],"preferred":false,"id":454742,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Mcguinness, L.","contributorId":62445,"corporation":false,"usgs":true,"family":"Mcguinness","given":"L.","email":"","affiliations":[],"preferred":false,"id":454739,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Dayvault, R.","contributorId":14673,"corporation":false,"usgs":true,"family":"Dayvault","given":"R.","affiliations":[],"preferred":false,"id":454736,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Lovley, Derek R.","contributorId":107852,"corporation":false,"usgs":true,"family":"Lovley","given":"Derek","middleInitial":"R.","affiliations":[],"preferred":false,"id":454746,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}}
,{"id":70036170,"text":"70036170 - 2011 - Independent effects of temperature and precipitation on modeled runoff in the conterminous United States","interactions":[],"lastModifiedDate":"2021-01-26T19:41:55.004018","indexId":"70036170","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","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":"Independent effects of temperature and precipitation on modeled runoff in the conterminous United States","docAbstract":"<p><span>A water‐balance model is used to simulate time series of water‐year runoff for 4 km × 4 km grid cells for the conterminous United States during the 1900–2008 period. Model outputs are used to examine the separate effects of precipitation and temperature on runoff variability. Overall, water‐year runoff has increased in the conterminous United States and precipitation has accounted for almost all of the variability in water‐year runoff during the past century. In contrast, temperature effects on runoff have been small for most locations in the United States even during periods when temperatures for most of the United States increased significantly.</span></p>","largerWorkTitle":"Water Resources Research","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2011WR010630","issn":"00431397","usgsCitation":"McCabe, G.J., and Wolock, D.M., 2011, Independent effects of temperature and precipitation on modeled runoff in the conterminous United States: Water Resources Research, v. 47, no. 11, W11522, 11 p., https://doi.org/10.1029/2011WR010630.","productDescription":"W11522, 11 p.","costCenters":[],"links":[{"id":246363,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218362,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011WR010630"}],"country":"United 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dwolock@usgs.gov","orcid":"https://orcid.org/0000-0002-6209-938X","contributorId":540,"corporation":false,"usgs":true,"family":"Wolock","given":"David","email":"dwolock@usgs.gov","middleInitial":"M.","affiliations":[{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":503,"text":"Office of Water Quality","active":true,"usgs":true},{"id":353,"text":"Kansas Water Science Center","active":false,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true},{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true}],"preferred":true,"id":454590,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70036168,"text":"70036168 - 2011 - Resource selection by black-footed ferrets in South Dakota and Montana","interactions":[],"lastModifiedDate":"2012-03-12T17:22:05","indexId":"70036168","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2821,"text":"Natural Areas Journal","active":true,"publicationSubtype":{"id":10}},"title":"Resource selection by black-footed ferrets in South Dakota and Montana","docAbstract":"The black-footed ferret (Mustela nigripes), once extinct in the wild, remains one of the most critically endangered mammals in North America despite 18 years of reintroduction attempts. Because black-footed ferrets are specialized predators of prairie dogs (Cynomys sp.), a better understanding of how black-footed ferrets select resources might provide insight into how best to identify and manage reintroduction sites. We monitored ferret resource selection at two reintroduction sites with different densities of prairie dog populations-one that contained a high density of prairie dogs (Conata Basin, South Dakota) and one that was lower (UL Bend, Montana). We evaluated support for hypotheses about ferret resource selection as related to the distribution of active burrows used by black-tailed prairie dogs (Cynomys ludovicianus), interactions between ferrets, and habitat edge effects. We found support for all three factors within both populations; however, they affected ferret resource selection differently at each site. Ferrets at Conata Basin tended to select areas with high prairie dog burrow density, closer to the colony edge, and that overlapped other ferret ranges. In contrast, ferrets at UL Bend tended not to select areas of high active prairie dog burrow density, avoided areas close to edge habitat, and females avoided areas occupied by other ferrets. The differences observed between the two sites might be best explained by prairie dog densities, which were higher at Conata Basin (119.3 active burrows per ha) than at UL Bend (44.4 active burrows per ha). Given the positive growth of ferret populations at Conata Basin, management that increases the density of prairie dogs might enhance ferret success within natural areas. To achieve long-term recovery of ferrets in the wild, conservationists should increasingly work across and outside natural area boundaries to increase prairie dog populations.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Natural Areas Journal","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.3375/043.031.0304","issn":"08858608","usgsCitation":"Jachowski, D., Millspaugh, J., Biggins, E., Livieri, T., Matchett, M., and Rittenhouse, C., 2011, Resource selection by black-footed ferrets in South Dakota and Montana: Natural Areas Journal, v. 31, no. 3, p. 218-225, https://doi.org/10.3375/043.031.0304.","startPage":"218","endPage":"225","numberOfPages":"8","costCenters":[],"links":[{"id":246333,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218334,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.3375/043.031.0304"}],"volume":"31","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aa9fee4b0c8380cd860b1","contributors":{"authors":[{"text":"Jachowski, D.S.","contributorId":67309,"corporation":false,"usgs":true,"family":"Jachowski","given":"D.S.","email":"","affiliations":[],"preferred":false,"id":454543,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Millspaugh, J.J.","contributorId":99105,"corporation":false,"usgs":true,"family":"Millspaugh","given":"J.J.","email":"","affiliations":[],"preferred":false,"id":454546,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Biggins, E.","contributorId":88303,"corporation":false,"usgs":true,"family":"Biggins","given":"E.","email":"","affiliations":[],"preferred":false,"id":454544,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Livieri, T.M.","contributorId":96910,"corporation":false,"usgs":true,"family":"Livieri","given":"T.M.","affiliations":[],"preferred":false,"id":454545,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Matchett, Marc R.","contributorId":53121,"corporation":false,"usgs":true,"family":"Matchett","given":"Marc R.","affiliations":[],"preferred":false,"id":454542,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rittenhouse, C.D.","contributorId":101499,"corporation":false,"usgs":true,"family":"Rittenhouse","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":454547,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70035775,"text":"70035775 - 2011 - Benthic macroinvertebrate and fish communities in Lake Huron are linked to submerged groundwater vents","interactions":[],"lastModifiedDate":"2021-02-10T20:42:51.586581","indexId":"70035775","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":860,"text":"Aquatic Biology","active":true,"publicationSubtype":{"id":10}},"title":"Benthic macroinvertebrate and fish communities in Lake Huron are linked to submerged groundwater vents","docAbstract":"<p><span>Groundwater can be an important source of nutrients and energy to aquatic ecosystems, but quantifying the inputs and biogeochemical importance remains challenging. A series of submerged groundwater vents in northern Lake Huron were examined to determine the linkage between groundwater nutrients and aquatic food webs. We collected samples of key food-web components from groundwater vent and reference habitats and analyzed them for&nbsp;</span><sup>13</sup><span>C,&nbsp;</span><sup>15</sup><span>N, and&nbsp;</span><sup>34</sup><span>S isotopes. Dissolved inorganic carbon (DIC) in the groundwater was depleted in&nbsp;</span><sup>13</sup><span>C, while aqueous sulfate was enriched in&nbsp;</span><sup>34</sup><span>S (mean differences between groundwater and reference sites were –3.9‰ and +12.0‰, respectively). Benthic primary producers, macroinvertebrates, and benthivorous fish had significantly lower δ</span><sup>13</sup><span>C values in groundwater environments, and benthivorous fish were somewhat depleted (–2.5‰) in δ</span><sup>34</sup><span>S at groundwater sites compared to reference sites. However, δ</span><sup>15</sup><span>N values were not different between groundwater and reference sites, and pelagic components of the ecosystems (plankton and planktivorous and piscivorous fish) were similar in both δ</span><sup>13</sup><span>C and δ</span><sup>15</sup><span>N. These data suggest benthic metazoan communities surrounding groundwater vents are partially linked to groundwater-derived benthic primary production, while planktivorous and piscivorous communities not directly associated with the benthos do not rely on groundwater nutrients.</span></p>","language":"English","publisher":"Inter Research Science Publisher","doi":"10.3354/ab00318","issn":"18647782","usgsCitation":"Garrison, S.T., Biddanda, B., Stricker, C.A., and Nold, S., 2011, Benthic macroinvertebrate and fish communities in Lake Huron are linked to submerged groundwater vents: Aquatic Biology, v. 12, no. 1, p. 1-12, https://doi.org/10.3354/ab00318.","productDescription":"12 p.","startPage":"1","endPage":"12","costCenters":[],"links":[{"id":475197,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3354/ab00318","text":"Publisher Index Page"},{"id":383209,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Lake Huron","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -84.1552734375,\n              46.5286346952717\n            ],\n            [\n              -84.638671875,\n              45.67548217560647\n            ],\n            [\n              -83.7158203125,\n              44.68427737181225\n            ],\n            [\n              -84.4189453125,\n              43.96119063892024\n            ],\n            [\n              -84.0234375,\n              43.45291889355465\n            ],\n            [\n              -82.1337890625,\n              42.87596410238256\n            ],\n            [\n              -81.1669921875,\n              44.24519901522129\n            ],\n            [\n              -79.013671875,\n              44.77793589631623\n            ],\n            [\n              -81.0791015625,\n              46.07323062540835\n            ],\n            [\n              -82.353515625,\n              46.558860303117164\n            ],\n            [\n              -84.1552734375,\n              46.5286346952717\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"12","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f0c0e4b0c8380cd4a8c1","contributors":{"authors":[{"text":"Garrison, Sanders T.","contributorId":69811,"corporation":false,"usgs":true,"family":"Garrison","given":"Sanders","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":452309,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Biddanda, B.A.","contributorId":92881,"corporation":false,"usgs":true,"family":"Biddanda","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":452310,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stricker, Craig A. 0000-0002-5031-9437 cstricker@usgs.gov","orcid":"https://orcid.org/0000-0002-5031-9437","contributorId":1097,"corporation":false,"usgs":true,"family":"Stricker","given":"Craig","email":"cstricker@usgs.gov","middleInitial":"A.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":452308,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nold, S.C.","contributorId":30479,"corporation":false,"usgs":true,"family":"Nold","given":"S.C.","email":"","affiliations":[],"preferred":false,"id":452307,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70035776,"text":"70035776 - 2011 - Estimation of land surface evapotranspiration with A satellite remote sensing procedure","interactions":[],"lastModifiedDate":"2018-02-21T15:22:24","indexId":"70035776","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1859,"text":"Great Plains Research","active":true,"publicationSubtype":{"id":10}},"title":"Estimation of land surface evapotranspiration with A satellite remote sensing procedure","docAbstract":"<p><span>There are various methods available for estimating magnitude and trends of evapotranspiration. Bowen ratio energy balance system and eddy correlation techniques offer powerful alternatives for measuring land surface evapotranspiration. In spite of the elegance, high accuracy, and theoretical attractions of these techniques for measuring evapotranspiration, their practical use over large areas can be limited due to the number of sites needed and the related expense. Application of evapotranspiration mapping from satellite measurements can overcome the limitations. The objective of this study was to utilize the METRIC</span><sup>TM</sup><span> (Mapping Evapotranspiration at High Resolution using Internalized Calibration) model in Great Plains environmental settings to understand water use in managed ecosystems on a regional scale. We investigated spatiotemporal distribution of a fraction of reference evapotranspiration (ETrF) using eight Landsat 5 images during the 2005 and 2006 growing season for path 29, row 32. The ETrF maps generated by METRIC</span><sup>TM</sup><span> allowed us to follow the magnitude and trend in ETrF for major land-use classes during the growing season. The ETrF was lower early in the growing season for agricultural crops and gradually increased as the normalized difference vegetation index of crops increased, thus presenting more surface area over which water could transpire toward the midseason. Comparison of predictions with Bowen ratio energy balance system measurements at Clay Center, NE, showed that METRIC</span><sup>TM</sup><span> performed well at the field scale for predicting evapotranspiration from a cornfield. If calibrated properly, the model could be a viable tool to estimate water use in managed ecosystems in subhumid climates at a large scale.</span></p>","language":"English","issn":"10525165","usgsCitation":"Irmak, A., Ratcliffe, I., Ranade, P., Hubbard, K., Singh, R.K., Kamble, B., and Kjaersgaard, J., 2011, Estimation of land surface evapotranspiration with A satellite remote sensing procedure: Great Plains Research, v. 21, no. 1, p. 73-88.","productDescription":"16 p.","startPage":"73","endPage":"88","numberOfPages":"16","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":244272,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0b96e4b0c8380cd527b1","contributors":{"authors":[{"text":"Irmak, A.","contributorId":101473,"corporation":false,"usgs":true,"family":"Irmak","given":"A.","email":"","affiliations":[],"preferred":false,"id":452317,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ratcliffe, I.","contributorId":69812,"corporation":false,"usgs":true,"family":"Ratcliffe","given":"I.","email":"","affiliations":[],"preferred":false,"id":452314,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ranade, P.","contributorId":34744,"corporation":false,"usgs":true,"family":"Ranade","given":"P.","email":"","affiliations":[],"preferred":false,"id":452312,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hubbard, K.G.","contributorId":74224,"corporation":false,"usgs":true,"family":"Hubbard","given":"K.G.","email":"","affiliations":[],"preferred":false,"id":452315,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Singh, Ramesh K. 0000-0002-8164-3483","orcid":"https://orcid.org/0000-0002-8164-3483","contributorId":85424,"corporation":false,"usgs":true,"family":"Singh","given":"Ramesh","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":452316,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kamble, B.","contributorId":30071,"corporation":false,"usgs":true,"family":"Kamble","given":"B.","email":"","affiliations":[],"preferred":false,"id":452311,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Kjaersgaard, J.","contributorId":39608,"corporation":false,"usgs":true,"family":"Kjaersgaard","given":"J.","affiliations":[],"preferred":false,"id":452313,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70035389,"text":"70035389 - 2011 - Are temperate mature forests buffered from invasive lianas?","interactions":[],"lastModifiedDate":"2012-12-28T14:32:05","indexId":"70035389","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2571,"text":"Journal of the Torrey Botanical Society","active":true,"publicationSubtype":{"id":10}},"title":"Are temperate mature forests buffered from invasive lianas?","docAbstract":"Mature and old-growth forests are often thought to be buffered against invasive species due to low levels of light and infrequent disturbance. Lianas (woody vines) and other climbing plants are also known to exhibit lower densities in older forests. As part of a larger survey of the lianas of the southern Lake Michigan region in mature and old-growth forests, the level of infestation by invasive lianas was evaluated. The only invasive liana detected in these surveys was <i>Celastrus orbiculatus</i> Thunb. (Celastraceae). Although this species had only attached to trees and reached the canopy in a few instances, it was present in 30% of transects surveyed, mostly as a component of the ground layer. Transects with <i>C. orbiculatus</i> had higher levels of soil potassium and higher liana richness than transects without. In contrast, transects with the native <i>C. scandens</i> had higher pH, sand content, and soil magnesium and lower organic matter compared to transects where it was absent. <i>Celastrus orbiculatus</i> appears to be a generalist liana since it often occurs with native lianas. <i>Celastrus orbiculatus</i> poses a substantial threat to mature forests as it will persist in the understory until a canopy gap or other disturbance provides the light and supports necessary for it to ascend to the canopy and damage tree species. As a result, these forests should be monitored by land managers so that <i>C. orbiculatus</i> eradication can occur while invasions are at low densities and restricted to the ground layer.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the Torrey Botanical Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Torrey Botanical Society","publisherLocation":"Lawrence, KS","doi":"10.3159/10-RA-055.1","issn":"10955674","usgsCitation":"Pavlovic, N.B., and Leicht-Young, S.A., 2011, Are temperate mature forests buffered from invasive lianas?: Journal of the Torrey Botanical Society, v. 138, no. 1, p. 85-92, https://doi.org/10.3159/10-RA-055.1.","productDescription":"8 p.","startPage":"85","endPage":"92","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":215555,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.3159/10-RA-055.1"},{"id":243367,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Indiana;Michigan;Illinois","otherGeospatial":"Lake Michigan","volume":"138","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ed60e4b0c8380cd4978f","contributors":{"authors":[{"text":"Pavlovic, Noel B. 0000-0002-2335-2274 npavlovic@usgs.gov","orcid":"https://orcid.org/0000-0002-2335-2274","contributorId":1976,"corporation":false,"usgs":true,"family":"Pavlovic","given":"Noel","email":"npavlovic@usgs.gov","middleInitial":"B.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":450427,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Leicht-Young, Stacey A.","contributorId":80506,"corporation":false,"usgs":false,"family":"Leicht-Young","given":"Stacey","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":450428,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70035778,"text":"70035778 - 2011 - Perceptions of strengths and deficiencies: Disconnects between graduate students and prospective employers","interactions":[],"lastModifiedDate":"2021-02-10T19:30:35.098636","indexId":"70035778","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":997,"text":"BioScience","active":true,"publicationSubtype":{"id":10}},"title":"Perceptions of strengths and deficiencies: Disconnects between graduate students and prospective employers","docAbstract":"<p><span>The US Botanical Capacity Assessment Project (BCAP) was initiated as a first step to gauge the nation's collective ability to meet the environmental challenges of the 21st century. The project, in which the authors of this article are involved, specifically aimed to identify multisector contributions to and gaps in botanical capacity in order to develop growth opportunities to address research and management problems. One of the primary gaps revealed by the BCAP surveys was that the skills graduate students identified as their greatest strengths closely matched the areas future employers (government and private sectors) identified as needing greatest improvement. Although our survey focused on only one discipline (botany), we suspect that the results are applicable throughout the science, technology, engineering, and mathematics disciplines. We suggest that it is critical for university faculty and administrators to team with professionals from government, nonprofit, and for-profit organizations to identify critical and desired knowledge and skill sets and implement the necessary curriculum changes to provide graduates with the tools they need.</span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1525/bio.2011.61.2.8","issn":"00063568","usgsCitation":"Sundberg, M., Deangelis, P., Havens, K., Holsinger, K., Kennedy, K., Kramer, A., Muir, R., Olwell, P., Schierenbeck, K., Stritch, L., and Zorn-Arnold, B., 2011, Perceptions of strengths and deficiencies: Disconnects between graduate students and prospective employers: BioScience, v. 61, no. 2, p. 133-138, https://doi.org/10.1525/bio.2011.61.2.8.","productDescription":"6 p.","startPage":"133","endPage":"138","costCenters":[],"links":[{"id":244302,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216432,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1525/bio.2011.61.2.8"}],"volume":"61","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a766de4b0c8380cd780e1","contributors":{"authors":[{"text":"Sundberg, M.D.","contributorId":11445,"corporation":false,"usgs":true,"family":"Sundberg","given":"M.D.","email":"","affiliations":[],"preferred":false,"id":452324,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Deangelis, P.","contributorId":17849,"corporation":false,"usgs":true,"family":"Deangelis","given":"P.","email":"","affiliations":[],"preferred":false,"id":452326,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Havens, K.","contributorId":65691,"corporation":false,"usgs":true,"family":"Havens","given":"K.","email":"","affiliations":[],"preferred":false,"id":452333,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Holsinger, K.","contributorId":47999,"corporation":false,"usgs":true,"family":"Holsinger","given":"K.","email":"","affiliations":[],"preferred":false,"id":452329,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kennedy, K.","contributorId":62858,"corporation":false,"usgs":true,"family":"Kennedy","given":"K.","affiliations":[],"preferred":false,"id":452332,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kramer, A.T.","contributorId":57293,"corporation":false,"usgs":true,"family":"Kramer","given":"A.T.","email":"","affiliations":[],"preferred":false,"id":452331,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Muir, R.","contributorId":83357,"corporation":false,"usgs":true,"family":"Muir","given":"R.","email":"","affiliations":[],"preferred":false,"id":452334,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Olwell, Peggy","contributorId":39609,"corporation":false,"usgs":true,"family":"Olwell","given":"Peggy","affiliations":[],"preferred":false,"id":452328,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Schierenbeck, K.","contributorId":51574,"corporation":false,"usgs":true,"family":"Schierenbeck","given":"K.","email":"","affiliations":[],"preferred":false,"id":452330,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Stritch, L.","contributorId":28827,"corporation":false,"usgs":true,"family":"Stritch","given":"L.","email":"","affiliations":[],"preferred":false,"id":452327,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Zorn-Arnold, B.","contributorId":11446,"corporation":false,"usgs":true,"family":"Zorn-Arnold","given":"B.","email":"","affiliations":[],"preferred":false,"id":452325,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70035781,"text":"70035781 - 2011 - Method for detecting moment connection fracture using high-frequency transients in recorded accelerations","interactions":[],"lastModifiedDate":"2021-02-10T19:16:27.491912","indexId":"70035781","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2232,"text":"Journal of Constructional Steel Research","active":true,"publicationSubtype":{"id":10}},"title":"Method for detecting moment connection fracture using high-frequency transients in recorded accelerations","docAbstract":"<p><span>The 1994 Northridge earthquake caused brittle fractures in steel moment frame building connections, despite causing little visible building damage in most cases. Future strong earthquakes are likely to cause similar damage to the many un-retrofitted pre-Northridge buildings in the western US and elsewhere. Without obvious permanent building deformation, costly intrusive inspections are currently the only way to determine if major fracture damage that compromises building safety has occurred. Building instrumentation has the potential to provide engineers and owners with timely information on fracture occurrence. Structural dynamics theory predicts and scale model experiments have demonstrated that sudden, large changes in structure properties caused by moment connection fractures will cause transient dynamic response. A method is proposed for detecting the building-wide level of connection fracture damage, based on observing high-frequency, fracture-induced transient dynamic responses in strong motion accelerograms. High-frequency transients are short (&lt;1 s), sudden-onset waveforms with frequency content above 25 Hz that are visually apparent in recorded accelerations. Strong motion data and damage information from intrusive inspections collected from 24 sparsely instrumented buildings following the 1994 Northridge earthquake are used to evaluate the proposed method. The method’s overall success rate for this data set is 67%, but this rate varies significantly with damage level. The method performs reasonably well in detecting significant fracture damage and in identifying cases with no damage, but fails in cases with few fractures. Combining the method with other damage indicators and removing records with excessive noise improves the ability to detect the level of damage.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jcsr.2010.11.002","issn":"0143974X","usgsCitation":"Rodgers, J., and Celebi, M., 2011, Method for detecting moment connection fracture using high-frequency transients in recorded accelerations: Journal of Constructional Steel Research, v. 67, no. 3, p. 293-307, https://doi.org/10.1016/j.jcsr.2010.11.002.","productDescription":"15 p.","startPage":"293","endPage":"307","costCenters":[],"links":[{"id":244335,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216464,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jcsr.2010.11.002"}],"volume":"67","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a554ce4b0c8380cd6d1a0","contributors":{"authors":[{"text":"Rodgers, J.E.","contributorId":99069,"corporation":false,"usgs":true,"family":"Rodgers","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":452344,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Celebi, Mehmet 0000-0002-4769-7357 celebi@usgs.gov","orcid":"https://orcid.org/0000-0002-4769-7357","contributorId":200969,"corporation":false,"usgs":true,"family":"Celebi","given":"Mehmet","email":"celebi@usgs.gov","affiliations":[],"preferred":true,"id":452343,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70036162,"text":"70036162 - 2011 - Cold-climate slope deposits and landscape modifications of the Mid-Atlantic Coastal Plain, Eastern USA","interactions":[],"lastModifiedDate":"2013-03-06T17:23:38","indexId":"70036162","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1785,"text":"Geological Society Special Publication","active":true,"publicationSubtype":{"id":10}},"title":"Cold-climate slope deposits and landscape modifications of the Mid-Atlantic Coastal Plain, Eastern USA","docAbstract":"The effects of Pleistocene cold-climate geomorphology are distributed across the weathered and eroded Mid-Atlantic Coastal Plain uplands from the Wisconsinan terminal moraine south to Tidewater Virginia. Cold-climate deposits and landscape modifications are superimposed on antecedent landscapes of old, weathered Neogene upland gravels and Pleistocene marine terraces that had been built during warm periods and sea-level highstands. In New Jersey, sequences of surficial deposits define a long history of repeating climate change events. To the south across the Delmarva Peninsula and southern Maryland, most antecedent topography has been obscured by Late Pleistocene surficial deposits. These are spatially variable and are collectively described as a cold-climate alloformation. The cold-climate alloformation includes time-transgressive details of climate deterioration from at least marine isotope stage (MIS) 4 through the end of MIS 2. Some deposits and landforms within the alloformation may be as young as the Younger Dryas. Southwards along the trend of the Potomac River, these deposits and their climatic affinities become diffused. In Virginia, a continuum of erosion and surficial deposits appears to be the product of ‘normal’ temperate, climate-forced processes. The cold-climate alloformation and more temperate deposits in Virginia are being partly covered by Holocene alluvium and bay mud.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geological Society Special Publication","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Geological Society, London","publisherLocation":"London, U.K.","doi":"10.1144/SP354.17","issn":"03058719","usgsCitation":"Newell, W.L., and Dejong, B., 2011, Cold-climate slope deposits and landscape modifications of the Mid-Atlantic Coastal Plain, Eastern USA: Geological Society Special Publication, v. 354, p. 259-276, https://doi.org/10.1144/SP354.17.","productDescription":"18 p.","startPage":"259","endPage":"276","costCenters":[],"links":[{"id":218248,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1144/SP354.17"},{"id":246241,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.5,18.9 ], [ 172.5,71.4 ], [ -66.9,71.4 ], [ -66.9,18.9 ], [ 172.5,18.9 ] ] ] } } ] }","volume":"354","noUsgsAuthors":false,"publicationDate":"2011-05-18","publicationStatus":"PW","scienceBaseUri":"5059f7a7e4b0c8380cd4cc2d","contributors":{"authors":[{"text":"Newell, Wayne L. wnewell@usgs.gov","contributorId":99114,"corporation":false,"usgs":true,"family":"Newell","given":"Wayne","email":"wnewell@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":false,"id":454512,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dejong, B.D.","contributorId":96126,"corporation":false,"usgs":true,"family":"Dejong","given":"B.D.","email":"","affiliations":[],"preferred":false,"id":454511,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70036150,"text":"70036150 - 2011 - Mapping the distribution of materials in hyperspectral data using the USGS Material Identification and Characterization Algorithm (MICA)","interactions":[],"lastModifiedDate":"2021-01-26T21:05:33.609315","indexId":"70036150","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Mapping the distribution of materials in hyperspectral data using the USGS Material Identification and Characterization Algorithm (MICA)","docAbstract":"<p><span>Identifying materials by measuring and analyzing their reflectance spectra has been an important method in analytical chemistry for decades. Airborne and space-based imaging spectrometers allow scientists to detect materials and map their distributions across the landscape. With new satellite-borne hyperspectral sensors planned for the future, for example, HYSPIRI (HYPerspectral InfraRed Imager), robust methods are needed to fully exploit the information content of hyperspectral remote sensing data. A method of identifying and mapping materials using spectral feature based analysis of reflectance data in an expert-system framework called MICA (Material Identification and Characterization Algorithm) is described in this paper. The core concepts and calculations of MICA are presented. A MICA command file has been developed and applied to map minerals in the full-country coverage of the 2007 Afghanistan HyMap hyperspectral data.</span></p>","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"International Geoscience and Remote Sensing Symposium (IGARSS)","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"2011 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2011","conferenceDate":"July 24-29, 2011","conferenceLocation":"Vancouver, BC","language":"English","publisher":"Institute of Electrical and Electronic Engineers","doi":"10.1109/IGARSS.2011.6049370","isbn":"9781457710056","usgsCitation":"Kokaly, R.F., King, T.V., and Hoefen, T.M., 2011, Mapping the distribution of materials in hyperspectral data using the USGS Material Identification and Characterization Algorithm (MICA), <i>in</i> International Geoscience and Remote Sensing Symposium (IGARSS), Vancouver, BC, July 24-29, 2011, p. 1569-1572, https://doi.org/10.1109/IGARSS.2011.6049370.","productDescription":"4 p.","startPage":"1569","endPage":"1572","costCenters":[],"links":[{"id":475426,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://zenodo.org/record/1272791","text":"External Repository"},{"id":246565,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218544,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1109/IGARSS.2011.6049370"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a507fe4b0c8380cd6b70d","contributors":{"authors":[{"text":"Kokaly, Raymond F. 0000-0003-0276-7101","orcid":"https://orcid.org/0000-0003-0276-7101","contributorId":205165,"corporation":false,"usgs":true,"family":"Kokaly","given":"Raymond","email":"","middleInitial":"F.","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true},{"id":5078,"text":"Southwest Regional Director's Office","active":true,"usgs":true}],"preferred":true,"id":454460,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"King, T. V. V.","contributorId":6192,"corporation":false,"usgs":true,"family":"King","given":"T.","email":"","middleInitial":"V. V.","affiliations":[],"preferred":false,"id":454458,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hoefen, Todd M. 0000-0002-3083-5987 thoefen@usgs.gov","orcid":"https://orcid.org/0000-0002-3083-5987","contributorId":403,"corporation":false,"usgs":true,"family":"Hoefen","given":"Todd","email":"thoefen@usgs.gov","middleInitial":"M.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":454459,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70036147,"text":"70036147 - 2011 - The application of prototype point processes for the summary and description of California wildfires","interactions":[],"lastModifiedDate":"2021-01-27T13:22:30.851704","indexId":"70036147","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2477,"text":"Journal of Time Series Analysis","active":true,"publicationSubtype":{"id":10}},"title":"The application of prototype point processes for the summary and description of California wildfires","docAbstract":"<p><span>A method for summarizing repeated realizations of a space‐time marked point process, known as prototyping, is discussed and applied to catalogues of wildfires in California. Prototype summaries are constructed for varying time intervals using California wildfire data from 1990 to 2006. Previous work on prototypes for temporal and space‐time point processes is extended here to include methods for computing prototypes with marks and the incorporation of prototype summaries into hierarchical clustering algorithms, the latter of which is used to delineate fire seasons in California. Other results include summaries of patterns in the spatial‐temporal distribution of wildfires within each wildfire season.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/j.1467-9892.2011.00734.x","issn":"01439782","usgsCitation":"Nichols, K., Schoenberg, F., Keeley, J.E., Bray, A., and Diez, D., 2011, The application of prototype point processes for the summary and description of California wildfires: Journal of Time Series Analysis, v. 32, no. 4, p. 420-429, https://doi.org/10.1111/j.1467-9892.2011.00734.x.","productDescription":"10 p.","startPage":"420","endPage":"429","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":246498,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218483,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1467-9892.2011.00734.x"}],"country":"United 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,{"id":70036146,"text":"70036146 - 2011 - Evaluation of a black-footed ferret resource utilization function model","interactions":[],"lastModifiedDate":"2021-01-27T17:49:53.699457","indexId":"70036146","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of a black-footed ferret resource utilization function model","docAbstract":"<p><span>Resource utilization function (RUF) models permit evaluation of potential habitat for endangered species; ideally such models should be evaluated before use in management decision‐making. We evaluated the predictive capabilities of a previously developed black‐footed ferret (</span><i>Mustela nigripes</i><span>) RUF. Using the population‐level RUF, generated from ferret observations at an adjacent yet distinct colony, we predicted the distribution of ferrets within a black‐tailed prairie dog (</span><i>Cynomys ludovicianus</i><span>) colony in the Conata Basin, South Dakota, USA. We evaluated model performance, using data collected during post‐breeding spotlight surveys (2007–2008) by assessing model agreement via weighted compositional analysis and count‐metrics. Compositional analysis of home range use and colony‐level availability, and core area use and home range availability, demonstrated ferret selection of the predicted Very high and High occurrence categories in 2007 and 2008. Simple count‐metrics corroborated these findings and suggested selection of the Very high category in 2007 and the Very high and High categories in 2008. Collectively, these results suggested that the RUF was useful in predicting occurrence and intensity of space use of ferrets at our study site, the 2 objectives of the RUF. Application of this validated RUF would increase the resolution of habitat evaluations, permitting prediction of the distribution of ferrets within distinct colonies. Additional model evaluation at other sites, on other black‐tailed prairie dog colonies of varying resource configuration and size, would increase understanding of influences upon model performance and the general utility of the RUF.</span></p>","language":"English","publisher":"The Wildlife Society","doi":"10.1002/jwmg.130","issn":"0022541X","usgsCitation":"Eads, D., Millspaugh, J., Biggins, D.E., Jachowski, D., and Livieri, T., 2011, Evaluation of a black-footed ferret resource utilization function model: Journal of Wildlife Management, v. 75, no. 5, p. 1155-1163, https://doi.org/10.1002/jwmg.130.","productDescription":"9 p.","startPage":"1155","endPage":"1163","costCenters":[],"links":[{"id":246497,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218482,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1002/jwmg.130"}],"country":"United States","state":"South Dakota","otherGeospatial":"Buffalo Gap National Grasslands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -103.55712890625,\n              42.99661231842139\n            ],\n            [\n              -101.392822265625,\n              42.99661231842139\n            ],\n            [\n              -101.392822265625,\n              44.28453670601888\n            ],\n            [\n              -103.55712890625,\n              44.28453670601888\n            ],\n            [\n              -103.55712890625,\n              42.99661231842139\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"75","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0c2be4b0c8380cd52a72","contributors":{"authors":[{"text":"Eads, D.A.","contributorId":68973,"corporation":false,"usgs":true,"family":"Eads","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":454438,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Millspaugh, J.J.","contributorId":99105,"corporation":false,"usgs":true,"family":"Millspaugh","given":"J.J.","email":"","affiliations":[],"preferred":false,"id":454441,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Biggins, Dean E. 0000-0003-2078-671X bigginsd@usgs.gov","orcid":"https://orcid.org/0000-0003-2078-671X","contributorId":2522,"corporation":false,"usgs":true,"family":"Biggins","given":"Dean","email":"bigginsd@usgs.gov","middleInitial":"E.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":454439,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Jachowski, D.S.","contributorId":67309,"corporation":false,"usgs":true,"family":"Jachowski","given":"D.S.","email":"","affiliations":[],"preferred":false,"id":454437,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Livieri, T.M.","contributorId":96910,"corporation":false,"usgs":true,"family":"Livieri","given":"T.M.","affiliations":[],"preferred":false,"id":454440,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70036145,"text":"70036145 - 2011 - Constraints on the long-period moment-dip tradeoff for the Tohoku earthquake","interactions":[],"lastModifiedDate":"2021-01-27T18:28:49.065243","indexId":"70036145","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","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":"Constraints on the long-period moment-dip tradeoff for the Tohoku earthquake","docAbstract":"<p><span>Since the work of Kanamori and Given (1981), it has been recognized that shallow, pure dip‐slip earthquakes excite long‐period surface waves such that it is difficult to independently constrain the moment (</span><i>M</i><sub>0</sub><span>) and the dip (</span><i>δ</i><span>) of the source mechanism, with only the product&nbsp;</span><i>M</i><sub>0</sub><span>&nbsp;sin(2</span><i>δ</i><span>) being well constrained. Because of this, it is often assumed that the primary discrepancies between the moments of shallow, thrust earthquakes are due to this moment‐dip tradeoff. In this work, we quantify how severe this moment‐dip tradeoff is depending on the depth of the earthquake, the station distribution, the closeness of the mechanism to pure dip‐slip, and the quality of the data. We find that both long‐period Rayleigh and Love wave modes have moment‐dip resolving power even for shallow events, especially when stations are close to certain azimuths with respect to mechanism strike and when source depth is well determined. We apply these results to USGS W phase inversions of the recent M9.0 Tohoku, Japan earthquake and estimate the likely uncertainties in dip and moment associated with the moment‐ dip tradeoff. After discussing some of the important sources of moment and dip error, we suggest two methods for potentially improving this uncertainty.</span></p>","largerWorkTitle":"Geophysical Research Letters","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2011GL049129","issn":"00948276","usgsCitation":"Tsai, V., Hayes, G.P., and Duputel, Z., 2011, Constraints on the long-period moment-dip tradeoff for the Tohoku earthquake: Geophysical Research Letters, v. 38, no. 20, L00G17, 6 p., https://doi.org/10.1029/2011GL049129.","productDescription":"L00G17, 6 p.","costCenters":[],"links":[{"id":475422,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011gl049129","text":"Publisher Index Page"},{"id":246496,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218481,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011GL049129"}],"volume":"38","issue":"20","noUsgsAuthors":false,"publicationDate":"2011-10-25","publicationStatus":"PW","scienceBaseUri":"5059fa0ee4b0c8380cd4d8ee","contributors":{"authors":[{"text":"Tsai, V.C.","contributorId":41661,"corporation":false,"usgs":true,"family":"Tsai","given":"V.C.","email":"","affiliations":[],"preferred":false,"id":454435,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hayes, Gavin P. 0000-0003-3323-0112 ghayes@usgs.gov","orcid":"https://orcid.org/0000-0003-3323-0112","contributorId":842,"corporation":false,"usgs":true,"family":"Hayes","given":"Gavin","email":"ghayes@usgs.gov","middleInitial":"P.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":false,"id":454436,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Duputel, Z.","contributorId":37587,"corporation":false,"usgs":true,"family":"Duputel","given":"Z.","affiliations":[],"preferred":false,"id":454434,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
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