{"pageNumber":"971","pageRowStart":"24250","pageSize":"25","recordCount":46734,"records":[{"id":70031715,"text":"70031715 - 2005 - Comparison of velocity-log data collected using impeller and electromagnetic flowmeters","interactions":[],"lastModifiedDate":"2025-05-14T15:08:57.231874","indexId":"70031715","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1861,"text":"Ground Water","active":true,"publicationSubtype":{"id":10}},"title":"Comparison of velocity-log data collected using impeller and electromagnetic flowmeters","docAbstract":"<p><span>Previous studies have used flowmeters in environments that are within the expectations of their published ranges. Electromagnetic flowmeters have a published range from 0.1 to 79.0 m/min, and impeller flowmeters have a published range from 1.2 to 61.0 m/min. Velocity-log data collected in five long-screened production wells in the Pleasant Valley area of southern California showed that (1) electromagnetic flowmeter results were comparable within ±2% to results obtained using an impeller flowmeter for comparable depths; (2) the measured velocities from the electromagnetic flowmeter were up to 36% greater than the published maximum range; and (3) both data sets, collected without the use of centralizers or flow diverters, produced comparable and interpretable results. Although either method is acceptable for measuring wellbore velocities and the distribution of flow, the electromagnetic flowmeter enables collection of data over a now greater range of flows. In addition, changes in fluid temperature and fluid resistivity, collected as part of the electromagnetic flowmeter log, are useful in the identification of flow and hydrogeologic interpretation.</span></p>","language":"English","publisher":"National Ground Water Association","doi":"10.1111/j.1745-6584.2005.0030.x","issn":"0017467X","usgsCitation":"Newhouse, M., Izbicki, J., and Smith, G., 2005, Comparison of velocity-log data collected using impeller and electromagnetic flowmeters: Ground Water, v. 43, no. 3, p. 434-438, https://doi.org/10.1111/j.1745-6584.2005.0030.x.","productDescription":"5 p.","startPage":"434","endPage":"438","numberOfPages":"5","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":239774,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","issue":"3","noUsgsAuthors":false,"publicationDate":"2005-05-09","publicationStatus":"PW","scienceBaseUri":"5059f8bce4b0c8380cd4d270","contributors":{"authors":[{"text":"Newhouse, M.W.","contributorId":65892,"corporation":false,"usgs":true,"family":"Newhouse","given":"M.W.","email":"","affiliations":[],"preferred":false,"id":432819,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Izbicki, J. A. 0000-0003-0816-4408","orcid":"https://orcid.org/0000-0003-0816-4408","contributorId":28244,"corporation":false,"usgs":true,"family":"Izbicki","given":"J. A.","affiliations":[],"preferred":false,"id":432817,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Smith, G.A. 0000-0001-8170-9924","orcid":"https://orcid.org/0000-0001-8170-9924","contributorId":38350,"corporation":false,"usgs":true,"family":"Smith","given":"G.A.","email":"","affiliations":[],"preferred":false,"id":432818,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70029339,"text":"70029339 - 2005 - Slicing up the San Francisco Bay Area: Block kinematics and fault slip rates from GPS-derived surface velocities","interactions":[],"lastModifiedDate":"2012-03-12T17:20:50","indexId":"70029339","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","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":"Slicing up the San Francisco Bay Area: Block kinematics and fault slip rates from GPS-derived surface velocities","docAbstract":"Observations of surface deformation allow us to determine the kinematics of faults in the San Francisco Bay Area. We present the Bay Area velocity unification (BA??VU??, \"bay view\"), a compilation of over 200 horizontal surface velocities computed from campaign-style and continuous Global Positioning System (GPS) observations from 1993 to 2003. We interpret this interseismic velocity field using a three-dimensional block model to determine the relative contributions of block motion, elastic strain accumulation, and shallow aseismic creep. The total relative motion between the Pacific plate and the rigid Sierra Nevada/Great Valley (SNGV) microplate is 37.9 ?? 0.6 mm yr-1 directed toward N30.4??W ?? 0.8?? at San Francisco (??2??). Fault slip rates from our preferred model are typically within the error bounds of geologic estimates but provide a better fit to geodetic data (notable right-lateral slip rates in mm yr-1: San Gregorio fault, 2.4 ?? 1.0; West Napa fault, 4.0 ?? 3.0; zone of faulting along the eastern margin of the Coast Range, 5.4 ?? 1.0; and Mount Diablo thrust, 3.9 ?? 1.0 of reverse slip and 4.0 ?? 0.2 of right-lateral strike slip). Slip on the northern Calaveras is partitioned between both the West Napa and Concord/ Green Valley fault systems. The total convergence across the Bay Area is negligible. Poles of rotation for Bay Area blocks progress systematically from the North America-Pacific to North America-SNGV poles. The resulting present-day relative motion cannot explain the strike of most Bay Area faults, but fault strike does loosely correlate with inferred plate motions at the time each fault initiated. Copyright 2005 by the American Geophysical Union.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geophysical Research B: Solid Earth","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1029/2004JB003496","issn":"01480227","usgsCitation":"d'Alessio, M., Johanson, I., Burgmann, R., Schmidt, D., and Murray, M., 2005, Slicing up the San Francisco Bay Area: Block kinematics and fault slip rates from GPS-derived surface velocities: Journal of Geophysical Research B: Solid Earth, v. 110, no. 6, p. 1-19, https://doi.org/10.1029/2004JB003496.","startPage":"1","endPage":"19","numberOfPages":"19","costCenters":[],"links":[{"id":477941,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2004jb003496","text":"Publisher Index Page"},{"id":210558,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2004JB003496"},{"id":237518,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"110","issue":"6","noUsgsAuthors":false,"publicationDate":"2005-06-16","publicationStatus":"PW","scienceBaseUri":"505b9138e4b08c986b3197ae","contributors":{"authors":[{"text":"d'Alessio, M. A.","contributorId":43159,"corporation":false,"usgs":true,"family":"d'Alessio","given":"M. A.","affiliations":[],"preferred":false,"id":422327,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johanson, I.A.","contributorId":36735,"corporation":false,"usgs":true,"family":"Johanson","given":"I.A.","email":"","affiliations":[],"preferred":false,"id":422326,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burgmann, R.","contributorId":10167,"corporation":false,"usgs":true,"family":"Burgmann","given":"R.","affiliations":[],"preferred":false,"id":422325,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schmidt, D.A.","contributorId":75749,"corporation":false,"usgs":true,"family":"Schmidt","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":422329,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Murray, M.H.","contributorId":50171,"corporation":false,"usgs":true,"family":"Murray","given":"M.H.","email":"","affiliations":[],"preferred":false,"id":422328,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70029030,"text":"70029030 - 2005 - Subsurface structure and kinematics of the Calaveras-Hayward fault stepover from three-dimensional V<sub>p</sub> and seismicity, San Francisco Bay region, California","interactions":[],"lastModifiedDate":"2015-05-04T11:23:56","indexId":"70029030","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Subsurface structure and kinematics of the Calaveras-Hayward fault stepover from three-dimensional V<sub>p</sub> and seismicity, San Francisco Bay region, California","docAbstract":"<p id=\"p-1\">The Calaveras and Hayward faults are major components of the San Andreas fault system in the San Francisco Bay region. Dextral slip is presumed to transfer from the Calaveras fault to the Hayward fault in the Mission Hills region, an area of uplift in the contractional stepover between the two faults. Here the estimated deep slip rates drop from 15 to 6 mm/yr on the Calaveras fault, and slip begins on the Hayward fault at an estimated 9 mm/yr. A lineament of microseismicity near the Mission fault links the seismicity on the Calaveras and Hayward faults and is presumed to be related directly to this slip transfer. However, geologic and seismologic evidence suggest that the Mission fault may not be the source of the seismicity and that the Mission fault is not playing a major role in the slip transfer.</p>\n<p id=\"p-2\">We perform a joint inversion for hypocenters and the 3D&nbsp;<i>P</i>-wave velocity structure of the stepover region using 477 earthquakes. We find strong velocity contrasts across the Calaveras and Hayward faults, corroborated by geologic, gravity, and aeromagnetic data. Detailed examination of two seismic lineaments in conjunction with the velocity model and independent geologic and geophysical evidence suggests that they represent the southern extension of a northeasterly dipping Hayward fault that splays off the Calaveras fault, directly accounting for the deep slip transfer. The Mission fault appears to be accommodating deformation within the block between the Hayward and Calaveras faults. Thus, the Calaveras and Hayward faults need to be considered as a single system for developing rupture scenarios for seismic hazard assessments.</p>","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120020202","issn":"00371106","usgsCitation":"Manaker, D.M., Michael, A.J., and Burgmann, R., 2005, Subsurface structure and kinematics of the Calaveras-Hayward fault stepover from three-dimensional V<sub>p</sub> and seismicity, San Francisco Bay region, California: Bulletin of the Seismological Society of America, v. 95, no. 2, p. 446-470, https://doi.org/10.1785/0120020202.","productDescription":"25 p.","startPage":"446","endPage":"470","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":236319,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209652,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/0120020202"}],"volume":"95","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9d8ae4b08c986b31d8e1","contributors":{"authors":[{"text":"Manaker, David M.","contributorId":93682,"corporation":false,"usgs":true,"family":"Manaker","given":"David","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":421024,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Michael, Andrew J. 0000-0002-2403-5019 michael@usgs.gov","orcid":"https://orcid.org/0000-0002-2403-5019","contributorId":1280,"corporation":false,"usgs":true,"family":"Michael","given":"Andrew","email":"michael@usgs.gov","middleInitial":"J.","affiliations":[{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true},{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":421023,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burgmann, Roland","contributorId":95128,"corporation":false,"usgs":true,"family":"Burgmann","given":"Roland","affiliations":[],"preferred":false,"id":421022,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70029165,"text":"70029165 - 2005 - Single-pass versus two-pass boat electrofishing for characterizing river fish assemblages: Species richness estimates and sampling distance","interactions":[],"lastModifiedDate":"2012-03-12T17:20:54","indexId":"70029165","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3624,"text":"Transactions of the American Fisheries Society","active":true,"publicationSubtype":{"id":10}},"title":"Single-pass versus two-pass boat electrofishing for characterizing river fish assemblages: Species richness estimates and sampling distance","docAbstract":"Determining adequate sampling effort for characterizing fish assemblage structure in nonwadeable rivers remains a critical issue in river biomonitoring. Two-pass boat electrofishing data collected from 500-1,000-m-long river reaches as part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program were analyzed to assess the efficacy of single-pass boat electrofishing. True fish species richness was estimated by use of a two-pass removal model and nonparametric jackknife estimation for 157 sampled reaches across the United States. Compared with estimates made with a relatively unbiased nonparametric estimator, estimates of true species richness based on the removal model may be biased, particularly when true species richness is greater than 10. Based on jackknife estimation, the mean percent of estimated true species richness collected in the first electrofishing pass (p??j,s1) for all 157 reaches was 65.5%. The effectiveness of single-pass boat electrofishing may be greatest when the expected species richness is relatively low (>10 species). The second pass produced additional species (1-13) in 89.2% of sampled reaches. Of these additional species, centrarchids were collected in 50.3% of reaches and cyprinids were collected in 45.9% of reaches. Examination of relations between channel width ratio (reach length divided by wetted channel width) and p??j,s1 values provided no clear recommendation for sampling distances based on channel width ratios. Increasing sampling effort through an extension of the sampled reach distance can increase the percent species richness obtained from single-pass boat electrofishing. When single-pass boat electrofishing is used to characterize fish assemblage structure, determination of the sampling distance should take into account such factors as species richness and patchiness, the presence of species with relatively low probabilities of detection, and human alterations to the channel.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Transactions of the American Fisheries Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1577/FT03-094.1","issn":"00028487","usgsCitation":"Meador, M.R., 2005, Single-pass versus two-pass boat electrofishing for characterizing river fish assemblages: Species richness estimates and sampling distance: Transactions of the American Fisheries Society, v. 134, no. 1, p. 59-67, https://doi.org/10.1577/FT03-094.1.","startPage":"59","endPage":"67","numberOfPages":"9","costCenters":[],"links":[{"id":210635,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1577/FT03-094.1"},{"id":237618,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"134","issue":"1","noUsgsAuthors":false,"publicationDate":"2011-01-09","publicationStatus":"PW","scienceBaseUri":"505b90e1e4b08c986b3196bb","contributors":{"authors":[{"text":"Meador, M. R.","contributorId":74400,"corporation":false,"usgs":true,"family":"Meador","given":"M.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":421597,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70031496,"text":"70031496 - 2005 - Evaluating single-pass catch as a tool for identifying spatial pattern in fish distribution","interactions":[],"lastModifiedDate":"2017-11-18T12:52:49","indexId":"70031496","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2299,"text":"Journal of Freshwater Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating single-pass catch as a tool for identifying spatial pattern in fish distribution","docAbstract":"<p><span>We evaluate the efficacy of single-pass electrofishing without blocknets as a tool for collecting spatially continuous fish distribution data in headwater streams. We compare spatial patterns in abundance, sampling effort, and length-frequency distributions from single-pass sampling of coastal cutthroat trout (</span><span class=\"uu\">Oncorhynchus clarki clarki</span><span>) to data obtained from a more precise multiple-pass removal electrofishing method in two mid-sized (500&ndash;1000 ha) forested watersheds in western Oregon. Abundance estimates from single- and multiple-pass removal electrofishing were positively correlated in both watersheds, r = 0.99 and 0.86. There were no significant trends in capture probabilities at the watershed scale (P &gt; 0.05). Moreover, among-sample variation in fish abundance was higher than within-sample error in both streams indicating that increased precision of unit-scale abundance estimates would provide less information on patterns of abundance than increasing the fraction of habitat units sampled. In the two watersheds, respectively, single-pass electrofishing captured 78 and 74% of the estimated population of cutthroat trout with 7 and 10% of the effort. At the scale of intermediate-sized watersheds, single-pass electrofishing exhibited a sufficient level of precision to be effective in detecting spatial patterns of cutthroat trout abundance and may be a useful tool for providing the context for investigating fish-habitat relationships at multiple scales.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/02705060.2005.9664974","usgsCitation":"Bateman, D.S., Gresswell, R.E., and Torgersen, C.E., 2005, Evaluating single-pass catch as a tool for identifying spatial pattern in fish distribution: Journal of Freshwater Ecology, v. 20, no. 2, p. 335-345, https://doi.org/10.1080/02705060.2005.9664974.","productDescription":"11 p.","startPage":"335","endPage":"345","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":487593,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/02705060.2005.9664974","text":"Publisher Index Page"},{"id":240104,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oregon","otherGeospatial":"Blowout Creek, Slide Creek","volume":"20","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0bf3e4b0c8380cd5296d","contributors":{"authors":[{"text":"Bateman, Douglas S. 0000-0002-5609-2085 doug_bateman@usgs.gov","orcid":"https://orcid.org/0000-0002-5609-2085","contributorId":4016,"corporation":false,"usgs":true,"family":"Bateman","given":"Douglas","email":"doug_bateman@usgs.gov","middleInitial":"S.","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":false,"id":431795,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gresswell, Robert E. 0000-0003-0063-855X bgresswell@usgs.gov","orcid":"https://orcid.org/0000-0003-0063-855X","contributorId":147914,"corporation":false,"usgs":true,"family":"Gresswell","given":"Robert","email":"bgresswell@usgs.gov","middleInitial":"E.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":false,"id":431797,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Torgersen, Christian E. 0000-0001-8325-2737 ctorgersen@usgs.gov","orcid":"https://orcid.org/0000-0001-8325-2737","contributorId":3578,"corporation":false,"usgs":true,"family":"Torgersen","given":"Christian","email":"ctorgersen@usgs.gov","middleInitial":"E.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":false,"id":431796,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70029146,"text":"70029146 - 2005 - Influence of the Atchafalaya River on recent evolution of the chenier-plain inner continental shelf, northern Gulf of Mexico","interactions":[],"lastModifiedDate":"2012-03-12T17:20:55","indexId":"70029146","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1333,"text":"Continental Shelf Research","active":true,"publicationSubtype":{"id":10}},"title":"Influence of the Atchafalaya River on recent evolution of the chenier-plain inner continental shelf, northern Gulf of Mexico","docAbstract":"This study examines the influence of the Atchafalaya River, a major distributary of the Mississippi River, on stratigraphic evolution of the inner continental shelf in the northern Gulf of Mexico. Sedimentary, geochemical, and shallow acoustic data are used to identify the western limit of the distal Atchafalaya subaqueous delta, and to estimate the proportion of the Atchafalaya River's sediment load that accumulates on the inner shelf seaward of Louisiana's chenier-plain coast. The results demonstrate a link between sedimentary facies distribution on the inner shelf and patterns of shoreline accretion and retreat on the chenier plain. Mudflat progradation on the eastern chenier-plain coast corresponds to the location of deltaic mud accumulation on the inner shelf. On the central chenier-plain shelf, west of the subaqueous delta, relict sediment is exposed that was originally deposited between ???1200 and 600 years BP during activity of the Lafourche lobe of the Mississippi Delta complex. Mass-balance calculations indicate that the eastern chenier-plain inner shelf and coastal zone form a sink for 7??2% of the sediment load carried by the Atchafalaya River. ?? 2004 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Continental Shelf Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.csr.2004.09.002","issn":"02784343","usgsCitation":"Draut, A., Kineke, G., Velasco, D., Allison, M.A., and Prime, R., 2005, Influence of the Atchafalaya River on recent evolution of the chenier-plain inner continental shelf, northern Gulf of Mexico: Continental Shelf Research, v. 25, no. 1, p. 91-112, https://doi.org/10.1016/j.csr.2004.09.002.","startPage":"91","endPage":"112","numberOfPages":"22","costCenters":[],"links":[{"id":210470,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.csr.2004.09.002"},{"id":237396,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3b85e4b0c8380cd625e6","contributors":{"authors":[{"text":"Draut, A.E.","contributorId":50273,"corporation":false,"usgs":true,"family":"Draut","given":"A.E.","affiliations":[],"preferred":false,"id":421517,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kineke, G.C.","contributorId":12214,"corporation":false,"usgs":true,"family":"Kineke","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":421515,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Velasco, D.W.","contributorId":51972,"corporation":false,"usgs":true,"family":"Velasco","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":421518,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Allison, M. A.","contributorId":49834,"corporation":false,"usgs":true,"family":"Allison","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":421516,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Prime, R.J.","contributorId":88140,"corporation":false,"usgs":true,"family":"Prime","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":421519,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70035419,"text":"70035419 - 2005 - Reconnaissance study of late quaternary faulting along Cerro Goden fault zone, western Puerto Rico","interactions":[],"lastModifiedDate":"2020-09-01T21:09:35.440122","indexId":"70035419","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3459,"text":"Special Paper of the Geological Society of America","active":true,"publicationSubtype":{"id":10}},"title":"Reconnaissance study of late quaternary faulting along Cerro Goden fault zone, western Puerto Rico","docAbstract":"<p>The Cerro Goden fault zone is associated with a curvilinear, continuous, and prominent topographic lineament in western Puerto Rico. The fault varies in strike from northwest to west. In its westernmost section, the fault is ∼500 m south of an abrupt, curvilinear mountain front separating the 270- to 361-m-high La Cadena de San Francisco range from the Rio Añasco alluvial valley. The Quaternary fault of the Añasco Valley is in alignment with the bedrock fault mapped by D. McIntyre (1971) in the Central La Plata quadrangle sheet east of Añasco Valley. Previous workers have postulated that the Cerro Goden fault zone continues southeast from the Añasco Valley and merges with the Great Southern Puerto Rico fault zone of south-central Puerto Rico. West of the Añasco Valley, the fault continues offshore into the Mona Passage (Caribbean Sea) where it is characterized by offsets of seafloor sediments estimated to be of late Quaternary age. Using both 1:18,500 scale air photographs taken in 1936 and 1:40,000 scale photographs taken by the U.S. Department of Agriculture in 1986, we identified geomorphic features suggestive of Quaternary fault movement in the Añasco Valley, including aligned and deflected drainages, apparently offset terrace risers, and mountain-facing scarps. Many of these features suggest right-lateral displacement.</p><p>Mapping of Paleogene bedrock units in the uplifted La Cadena range adjacent to the Cerro Goden fault zone reveals the main tectonic events that have culminated in late Quaternary normal-oblique displacement across the Cerro Goden fault. Cretaceous to Eocene rocks of the La Cadena range exhibit large folds with wavelengths of several kms. The orientation of folds and analysis of fault striations within the folds indicate that the folds formed by northeast-southwest shortening in present-day geographic coordinates. The age of deformation is well constrained as late Eocene–early Oligocene by an angular unconformity separating folded, deep-marine middle Eocene rocks from transgressive, shallow-marine rocks of middle-upper Oligocene age. Rocks of middle Oligocene–early Pliocene age above unconformity are gently folded about the roughly east-west–trending Puerto Rico–Virgin Islands arch, which is well expressed in the geomorphology of western Puerto Rico. Arching appears ongoing because onshore and offshore late Quaternary oblique-slip faults closely parallel the complexly deformed crest of the arch and appear to be related to extensional strains focused in the crest of the arch. We estimate ∼4 km of vertical throw on the Cerro Goden fault based on the position of the carbonate cap north of the fault in the La Cadena de San Francisco and its position south of the fault inferred from seismic reflection data in Mayaguez Bay. Based on these observations, our interpretation of the kinematics and history of the Cerro Goden fault zone includes two major phases of motion: (1) Eocene northeast-southwest shortening possibly accompanied by left-lateral shearing as determined by previous workers on the Great Southern Puerto Rico fault zone; and (2) post–early Pliocene regional arching of Puerto Rico accompanied by normal offset and right-lateral shear along faults flanking the crest of the arch. The second phase of deformation accompanied east-west opening of the Mona rift and is inferred to continue to the present day.</p>","language":"English","publisher":"Geological Society of America","doi":"10.1130/0-8137-2385-X.115","usgsCitation":"Mann, P., Prentice, C., Hippolyte, J., Grindlay, N., Abrams, L., and Lao-Davila, D., 2005, Reconnaissance study of late quaternary faulting along Cerro Goden fault zone, western Puerto Rico: Special Paper of the Geological Society of America, v. 385, p. 115-137, https://doi.org/10.1130/0-8137-2385-X.115.","productDescription":"23 p.","startPage":"115","endPage":"137","numberOfPages":"23","costCenters":[],"links":[{"id":243175,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Puerto Rico","otherGeospatial":"Cerro Goden fault zone","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -67.3187255859375,\n              17.926475979176438\n            ],\n            [\n              -66.33270263671875,\n              17.926475979176438\n            ],\n            [\n              -66.33270263671875,\n              18.521283325496277\n            ],\n            [\n              -67.3187255859375,\n              18.521283325496277\n            ],\n            [\n              -67.3187255859375,\n              17.926475979176438\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"385","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9913e4b0c8380cd82d6f","contributors":{"authors":[{"text":"Mann, P.","contributorId":55167,"corporation":false,"usgs":true,"family":"Mann","given":"P.","email":"","affiliations":[],"preferred":false,"id":450576,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Prentice, C.S.","contributorId":56667,"corporation":false,"usgs":true,"family":"Prentice","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":450577,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hippolyte, J.-C.","contributorId":36377,"corporation":false,"usgs":true,"family":"Hippolyte","given":"J.-C.","email":"","affiliations":[],"preferred":false,"id":450574,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Grindlay, N.R.","contributorId":28445,"corporation":false,"usgs":true,"family":"Grindlay","given":"N.R.","email":"","affiliations":[],"preferred":false,"id":450573,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Abrams, L.J.","contributorId":98968,"corporation":false,"usgs":true,"family":"Abrams","given":"L.J.","email":"","affiliations":[],"preferred":false,"id":450578,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lao-Davila, D.","contributorId":44753,"corporation":false,"usgs":true,"family":"Lao-Davila","given":"D.","email":"","affiliations":[],"preferred":false,"id":450575,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70029232,"text":"70029232 - 2005 - Surficial geology of the sea floor in west-central Long Island Sound as shown by sidescan-sonar imagery","interactions":[],"lastModifiedDate":"2017-10-04T13:49:31","indexId":"70029232","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2897,"text":"Northeastern Geology and Environmental Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Surficial geology of the sea floor in west-central Long Island Sound as shown by sidescan-sonar imagery","docAbstract":"We used sidescan-sonar imagery detailing almost 300 km2 of the sea floor in west-central Long Island Sound in conjunction with bathymetry, sediment samples, bottom video, and seismic data to interpret the area's surficial geology. The distribution of sediments and sedimentary environments interpreted from these data sets represents the Quaternary geology, regional bathymetry, and effects of modern tidal- and wave-driven currents. Four distinct sedimentary environments consisting of 1) fine-grained deposition, 2) sorting and reworking, 3) coarse-grained bedload transport, and 4) erosion or nondeposition, were identified and mapped. Relatively low-energy environments prevail where deposition of clayey silts occurs in deeper water throughout the central part of the study area, and in the protected areas of the far northeastern corner. As low-energy environments transition to relatively high-energy environments, sorting and reworking of sand, silty sand, and sand-silt-clay takes place on the flanks of the shoals and over smaller bathymetric highs. Environments of coarse-grained bedload transport, distinguished by sandy sediments with current-derived bedforms, are located on an unnamed shoal in the northwestern part of the study area and directly to the south of this on Stratford Shoal. High-energy conditions are reflected by environments of erosion or nondeposition, which occur on bathymetric highs where gravel and gravelly sediments are present.","largerWorkTitle":"Northeastern Geology and Environmental Sciences","language":"English","issn":"01941453","usgsCitation":"McMullen, K., Poppe, L., DiGiacomo-Cohen, M., Moser, M.S., and Christman, E.B., 2005, Surficial geology of the sea floor in west-central Long Island Sound as shown by sidescan-sonar imagery: Northeastern Geology and Environmental Sciences, v. 27, no. 1, p. 60-70.","productDescription":"11 p.","startPage":"60","endPage":"70","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":237510,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -74.168701171875,\n              40.863679665481676\n            ],\n            [\n              -71.8505859375,\n              40.863679665481676\n            ],\n            [\n              -71.8505859375,\n              41.244772343082076\n            ],\n            [\n              -74.168701171875,\n              41.244772343082076\n            ],\n            [\n              -74.168701171875,\n              40.863679665481676\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"27","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba26fe4b08c986b31f6ed","contributors":{"authors":[{"text":"McMullen, K.Y.","contributorId":51857,"corporation":false,"usgs":true,"family":"McMullen","given":"K.Y.","email":"","affiliations":[],"preferred":false,"id":421853,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Poppe, L.J.","contributorId":72782,"corporation":false,"usgs":true,"family":"Poppe","given":"L.J.","affiliations":[],"preferred":false,"id":421855,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"DiGiacomo-Cohen, M. L.","contributorId":55465,"corporation":false,"usgs":true,"family":"DiGiacomo-Cohen","given":"M. L.","affiliations":[],"preferred":false,"id":421854,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Moser, M. S.","contributorId":98391,"corporation":false,"usgs":true,"family":"Moser","given":"M.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":421857,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Christman, E. B.","contributorId":81562,"corporation":false,"usgs":true,"family":"Christman","given":"E.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":421856,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70029184,"text":"70029184 - 2005 - Generation and validation of characteristic spectra from EO1 Hyperion image data for detecting the occurrence of the invasive species, Chinese tallow","interactions":[],"lastModifiedDate":"2012-03-12T17:20:48","indexId":"70029184","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2068,"text":"International Journal of Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Generation and validation of characteristic spectra from EO1 Hyperion image data for detecting the occurrence of the invasive species, Chinese tallow","docAbstract":"Chinese tallow (Triadica sebifera) is an invasive tree that is spreading throughout the south-eastern United States and now into the west, and in many places causing extensive change to native habitat and associated wildlife. Detecting and mapping the relative distribution of this species is important to its control and eradication. To map the relative distribution of Chinese tallow within a southwestern Louisiana coastal wetland to upland environment, Earth Observing 1 (EO1) satellite Hyperion sensor hyperspectral image data were combined with a subpixel extraction method that modelled characteristic spectra from the image data without requiring a priori characteristic spectra. Because of the low percentage occurrences of Chinese tallow and high spectral covariation in the environment, unique validation and verification methods were implemented, relying on simultaneous collection of field canopy reflectance spectra and subsequent classification of canopy compositions. The subpixel extraction method produced five characteristic spectra, which we further refined to four that adequately represented the field spectra, as well as the Hyperion imaged canopy reflectance datasets. Characteristic spectra were designated as senescing foliage, cypress-tupelo trees, and trees without leaves; shadows and green vegetation; senescing Chinese tallow with yellow leaves and yellowing foliage; and senescing Chinese tallow with red leaves ('red tallow'). About 81% (n=34) of the field and 78% (n=33) of the Hyperion imaged characteristic spectra associated with 'red tallow' were explained by the compositions generated in the field slide classifications. ?? 2005 US Government.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Journal of Remote Sensing","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1080/01431160512331326710","issn":"01431161","usgsCitation":"Ramsey, E., Rangoonwala, A., Nelson, G., Ehrlich, R., and Martella, K., 2005, Generation and validation of characteristic spectra from EO1 Hyperion image data for detecting the occurrence of the invasive species, Chinese tallow: International Journal of Remote Sensing, v. 26, no. 8, p. 1611-1636, https://doi.org/10.1080/01431160512331326710.","startPage":"1611","endPage":"1636","numberOfPages":"26","costCenters":[],"links":[{"id":210859,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/01431160512331326710"},{"id":237906,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"26","issue":"8","noUsgsAuthors":false,"publicationDate":"2007-02-22","publicationStatus":"PW","scienceBaseUri":"505a1550e4b0c8380cd54d54","contributors":{"authors":[{"text":"Ramsey, Elijah W. III 0000-0002-4518-5796","orcid":"https://orcid.org/0000-0002-4518-5796","contributorId":72769,"corporation":false,"usgs":true,"family":"Ramsey","given":"Elijah W.","suffix":"III","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":false,"id":421663,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rangoonwala, A. 0000-0002-0556-0598","orcid":"https://orcid.org/0000-0002-0556-0598","contributorId":95248,"corporation":false,"usgs":true,"family":"Rangoonwala","given":"A.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":false,"id":421664,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nelson, G.","contributorId":101072,"corporation":false,"usgs":true,"family":"Nelson","given":"G.","affiliations":[],"preferred":false,"id":421665,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ehrlich, R.","contributorId":72192,"corporation":false,"usgs":true,"family":"Ehrlich","given":"R.","email":"","affiliations":[],"preferred":false,"id":421662,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Martella, K.","contributorId":42417,"corporation":false,"usgs":true,"family":"Martella","given":"K.","affiliations":[],"preferred":false,"id":421661,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70029179,"text":"70029179 - 2005 - High dispersal in a frog species suggests that it is vulnerable to habitat fragmentation","interactions":[],"lastModifiedDate":"2015-12-14T10:11:44","indexId":"70029179","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1028,"text":"Biology Letters","active":true,"publicationSubtype":{"id":10}},"title":"High dispersal in a frog species suggests that it is vulnerable to habitat fragmentation","docAbstract":"<p>Global losses of amphibian populations are a major conservation concern and their causes have generated substantial debate. Habitat fragmentation is considered one important cause of amphibian decline. However, if fragmentation is to be invoked as a mechanism of amphibian decline, it must first be established that dispersal is prevalent among contiguous amphibian populations using formal movement estimators. In contrast, if dispersal is naturally low in amphibians, fragmentation can be disregarded as a cause of amphibian declines and conservation efforts can be focused elsewhere. We examined dispersal rates in Columbia spotted frogs (<i>Rana luteiventris</i>) using capture&ndash;recapture analysis of over 10 000 frogs in combination with genetic analysis of microsatellite loci in replicate basins. We found that frogs had exceptionally high juvenile dispersal rates (up to 62% annually) over long distances (&gt;5 km), large elevation gains (&gt;750 m) and steep inclines (36&deg; incline over 2 km) that were corroborated by genetic data showing high gene flow. These findings show that dispersal is an important life-history feature of some amphibians and suggest that habitat fragmentation is a serious threat to amphibian persistence.</p>","language":"English","publisher":"Royal Society","publisherLocation":"London","doi":"10.1098/rsbl.2004.0270","issn":"17449561","usgsCitation":"Funk, W., Greene, A., Corn, P., and Allendorf, F., 2005, High dispersal in a frog species suggests that it is vulnerable to habitat fragmentation: Biology Letters, v. 1, no. 1, p. 13-16, https://doi.org/10.1098/rsbl.2004.0270.","productDescription":"4 p.","startPage":"13","endPage":"16","numberOfPages":"4","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":477792,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/1629065","text":"External Repository"},{"id":237833,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210806,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1098/rsbl.2004.0270"}],"country":"United States","state":"Montana","otherGeospatial":"Keeler Creek, Marten Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -116.0430908203125,\n              48.13859959165873\n            ],\n            [\n              -116.0430908203125,\n              48.99463598353408\n            ],\n            [\n              -115.1531982421875,\n              48.99463598353408\n            ],\n            [\n              -115.1531982421875,\n              48.13859959165873\n            ],\n            [\n              -116.0430908203125,\n              48.13859959165873\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"1","issue":"1","noUsgsAuthors":false,"publicationDate":"2005-03-22","publicationStatus":"PW","scienceBaseUri":"505a30b8e4b0c8380cd5d8a8","contributors":{"authors":[{"text":"Funk, W.C.","contributorId":29934,"corporation":false,"usgs":true,"family":"Funk","given":"W.C.","email":"","affiliations":[],"preferred":false,"id":421634,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Greene, A.E.","contributorId":35534,"corporation":false,"usgs":true,"family":"Greene","given":"A.E.","email":"","affiliations":[],"preferred":false,"id":421635,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Corn, P.S.","contributorId":63751,"corporation":false,"usgs":true,"family":"Corn","given":"P.S.","affiliations":[],"preferred":false,"id":421636,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Allendorf, F.W.","contributorId":99937,"corporation":false,"usgs":true,"family":"Allendorf","given":"F.W.","affiliations":[],"preferred":false,"id":421637,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70029304,"text":"70029304 - 2005 - Hydrologic properties of coal-beds in the Powder River Basin, Montana: II. Aquifer test analysis","interactions":[],"lastModifiedDate":"2018-10-31T08:50:51","indexId":"70029304","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2342,"text":"Journal of Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Hydrologic properties of coal-beds in the Powder River Basin, Montana: II. Aquifer test analysis","docAbstract":"<p><span>A multiple well&nbsp;aquifer&nbsp;test to determine anisotropic&nbsp;transmissivity&nbsp;was conducted on a&nbsp;coal-bed&nbsp;in the Powder River Basin, southeastern Montana, as part of a multidisciplinary investigation to determine hydrologic conditions of coal-beds in the area. For the test, three wells were drilled equidistant from and at different angles to a production well tapping the Flowers–Goodale&nbsp;coal&nbsp;seam, a 7.6-m thick seam confined at a depth of about 110</span><span>&nbsp;</span><span>m. The test was conducted by air-lift pumping for 9</span><span>&nbsp;</span><span>h, and water levels were monitored in the three observation wells using pressure transducers. Drawdown data collected early in the test were affected by interporosity flow between the coal&nbsp;fracture network&nbsp;and the matrix, but later data were suitable to determine aquifer&nbsp;anisotropy, as the slopes of the late-time&nbsp;semilog&nbsp;time-drawdown curves are nearly identical, and the zero-drawdown intercepts are different. The maximum transmissivity, trending N87°E, is 14.9</span><span>&nbsp;</span><span>m</span><sup>2</sup><span>/d, and the minimum transmissivity 6.8</span><span>&nbsp;</span><span>m</span><sup>2</sup><span>/d, giving an anisotropy ratio of 2.2:1. Combined specific storage of the fractures and matrix is 2×10</span><sup>−5</sup><span>/m, and of the fracture network alone 5×10</span><sup>−6</sup><span>/m. The principal direction of the anisotropy tensor is not aligned with the face cleats, but instead is aligned with another fracture set and with dominant east–west tectonic compression. Results of the test indicate that the Flowers–Goodale coal-bed is more permeable than many coals in the Powder River Basin, but the anisotropy ratio and specific storage are similar to those found for other coal-beds in the basin.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jhydrol.2004.11.002","issn":"00221694","usgsCitation":"Weeks, E., 2005, Hydrologic properties of coal-beds in the Powder River Basin, Montana: II. Aquifer test analysis: Journal of Hydrology, v. 308, no. 1-4, p. 242-257, https://doi.org/10.1016/j.jhydrol.2004.11.002.","productDescription":"16 p.","startPage":"242","endPage":"257","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":237516,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210557,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jhydrol.2004.11.002"}],"country":"United States","state":"Montana","otherGeospatial":"Powder River Basin","volume":"308","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3667e4b0c8380cd606ad","contributors":{"authors":[{"text":"Weeks, E.P.","contributorId":38514,"corporation":false,"usgs":true,"family":"Weeks","given":"E.P.","email":"","affiliations":[],"preferred":false,"id":422161,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70029303,"text":"70029303 - 2005 - Utility of Penman-Monteith, Priestley-Taylor, reference evapotranspiration, and pan evaporation methods to estimate pasture evapotranspiration","interactions":[],"lastModifiedDate":"2012-03-12T17:20:55","indexId":"70029303","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2342,"text":"Journal of Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Utility of Penman-Monteith, Priestley-Taylor, reference evapotranspiration, and pan evaporation methods to estimate pasture evapotranspiration","docAbstract":"Actual evapotranspiration (ETa) was measured at 30-min resolution over a 19-month period (September 28, 2000-April 23, 2002) from a nonirrigated pasture site in Florida, USA, using eddy correlation methods. The relative magnitude of measured ETa (about 66% of long-term annual precipitation at the study site) indicates the importance of accurate ET a estimates for water resources planning. The time and cost associated with direct measurements of ETa and the rarity of historical measurements of ETa make the use of methods relying on more easily obtainable data desirable. Several such methods (Penman-Monteith (PM), modified Priestley-Taylor (PT), reference evapotranspiration (ET 0), and pan evaporation (Ep)) were related to measured ETa using regression methods to estimate PM bulk surface conductance, PT ??, ET0 vegetation coefficient, and Ep pan coefficient. The PT method, where the PT ?? is a function of green-leaf area index (LAI) and solar radiation, provided the best relation with ET a (standard error (SE) for daily ETa of 0.11 mm). The PM method, in which the bulk surface conductance was a function of net radiation and vapor-pressure deficit, was slightly less effective (SE=0.15 mm) than the PT method. Vegetation coefficients for the ET0 method (SE=0.29 mm) were found to be a simple function of LAI. Pan coefficients for the Ep method (SE=0.40 mm) were found to be a function of LAI and Ep. Historical or future meteorological, LAI, and pan evaporation data from the study site could be used, along with the relations developed within this study, to provide estimates of ETa in the absence of direct measurements of ETa. Additionally, relations among PM, PT, and ET0 methods and ETa can provide estimates of ETa in other, environmentally similar, pasture settings for which meteorological and LAI data can be obtained or estimated. ?? 2004 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Hydrology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.jhydrol.2004.10.023","issn":"00221694","usgsCitation":"Sumner, D.M., and Jacobs, J., 2005, Utility of Penman-Monteith, Priestley-Taylor, reference evapotranspiration, and pan evaporation methods to estimate pasture evapotranspiration: Journal of Hydrology, v. 308, no. 1-4, p. 81-104, https://doi.org/10.1016/j.jhydrol.2004.10.023.","startPage":"81","endPage":"104","numberOfPages":"24","costCenters":[],"links":[{"id":210556,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jhydrol.2004.10.023"},{"id":237515,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"308","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bc0cce4b08c986b32a310","contributors":{"authors":[{"text":"Sumner, D. M.","contributorId":100827,"corporation":false,"usgs":true,"family":"Sumner","given":"D.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":422160,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jacobs, J.M.","contributorId":10446,"corporation":false,"usgs":true,"family":"Jacobs","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":422159,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70029132,"text":"70029132 - 2005 - Magma generation at a large, hyperactive silicic volcano (Taupo, New Zealand) revealed by U-Th and U-Pb systematics in zircons","interactions":[],"lastModifiedDate":"2019-05-01T10:31:53","indexId":"70029132","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2420,"text":"Journal of Petrology","active":true,"publicationSubtype":{"id":10}},"title":"Magma generation at a large, hyperactive silicic volcano (Taupo, New Zealand) revealed by U-Th and U-Pb systematics in zircons","docAbstract":"<p><span>Young (&lt;∼65 ka) explosive silicic volcanism at Taupo volcano, New Zealand, has involved the development and evacuation of several crustal magmatic systems. Up to and including the 26·5 ka 530 km</span><sup>3</sup><span>&nbsp;Oruanui eruption, magmatic systems were contemporaneous but geographically separated. Subsequently they have been separated in time and have vented from geographically overlapping areas. Single-crystal (secondary ionization mass spectrometry) and multiple-crystal (thermal ionization mass spectrometry) zircon model-age data are presented from nine representative eruption deposits from ∼45 to ∼3·5 ka. Zircon yields vary by three orders of magnitude, correlating with the degrees of zircon saturation in the magmas, and influencing the spectra of model ages. Two adjacent magma systems active up to 26·5 ka show wholly contrasting model-age spectra. The smaller system shows a simple unimodal distribution. The larger system, using data from three eruptions, shows bimodal model-age spectra. An older ∼100 ka peak is interpreted to represent zircons (antecrysts) derived from older silicic mush or plutonic rocks, and a younger peak to represent zircons (phenocrysts) that grew in the magma body immediately prior to eruption. Post-26·5 ka magma batches show contrasting age spectra, consistent with a mixture of antecrysts, phenocrysts and, in two examples, xenocrysts from Quaternary plutonic and Mesozoic–Palaeozoic metasedimentary rocks. The model-age spectra, coupled with zircon-dissolution modelling, highlight contrasts between short-term silicic magma generation at Taupo, by bulk remobilization of crystal mush and assimilation of metasediment and/or silicic plutonic basement rocks, and the longer-term processes of fractionation from crustally contaminated mafic melts. Contrasts between adjacent or successive magma systems are attributed to differences in positions of the source and root zones within contrasting domains in the quartzo-feldspathic (&lt;15 km deep) crust below the volcano.</span></p>","largerWorkTitle":"Journal of Petrology","language":"English","doi":"10.1093/petrology/egh060","issn":"00223530","usgsCitation":"Charlier, B.L., Wilson, C.J., Lowenstern, J.B., Blake, S., van Calsteren, P., and Davidson, J., 2005, Magma generation at a large, hyperactive silicic volcano (Taupo, New Zealand) revealed by U-Th and U-Pb systematics in zircons: Journal of Petrology, v. 46, no. 1, p. 3-32, https://doi.org/10.1093/petrology/egh060.","productDescription":"30 p.","startPage":"3","endPage":"32","numberOfPages":"30","costCenters":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":237725,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210715,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1093/petrology/egh060"}],"country":"New Zealand","otherGeospatial":"Taupo volcano","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              175.59173583984375,\n              -39.03838632847035\n            ],\n            [\n              176.24542236328125,\n              -39.03838632847035\n            ],\n            [\n              176.24542236328125,\n              -38.62759968861309\n            ],\n            [\n              175.59173583984375,\n              -38.62759968861309\n            ],\n            [\n              175.59173583984375,\n              -39.03838632847035\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"46","issue":"1","noUsgsAuthors":false,"publicationDate":"2004-09-09","publicationStatus":"PW","scienceBaseUri":"505a4b31e4b0c8380cd69368","contributors":{"authors":[{"text":"Charlier, B. L. A.","contributorId":45090,"corporation":false,"usgs":false,"family":"Charlier","given":"B.","email":"","middleInitial":"L. A.","affiliations":[],"preferred":false,"id":421449,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilson, C. J. N.","contributorId":22096,"corporation":false,"usgs":true,"family":"Wilson","given":"C.","email":"","middleInitial":"J. N.","affiliations":[],"preferred":false,"id":421448,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lowenstern, J. B.","contributorId":7737,"corporation":false,"usgs":true,"family":"Lowenstern","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":421446,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Blake, S.","contributorId":59230,"corporation":false,"usgs":true,"family":"Blake","given":"S.","email":"","affiliations":[],"preferred":false,"id":421450,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"van Calsteren, P.W.","contributorId":7068,"corporation":false,"usgs":true,"family":"van Calsteren","given":"P.W.","email":"","affiliations":[],"preferred":false,"id":421445,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Davidson, J.P.","contributorId":16123,"corporation":false,"usgs":true,"family":"Davidson","given":"J.P.","email":"","affiliations":[],"preferred":false,"id":421447,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70029153,"text":"70029153 - 2005 - Mapping the invasive species, Chinese tallow, with EO1 satellite Hyperion hyperspectral image data and relating tallow occurrences to a classified Landsat Thematic Mapper land cover map","interactions":[],"lastModifiedDate":"2012-03-12T17:20:54","indexId":"70029153","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2068,"text":"International Journal of Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Mapping the invasive species, Chinese tallow, with EO1 satellite Hyperion hyperspectral image data and relating tallow occurrences to a classified Landsat Thematic Mapper land cover map","docAbstract":"Our objective was to provide a realistic and accurate representation of the spatial distribution of Chinese tallow (Triadica sebifera) in the Earth Observing 1 (EO1) Hyperion hyperspectral image coverage by using methods designed and tested in previous studies. We transformed, corrected, and normalized Hyperion reflectance image data into composition images with a subpixel extraction model. Composition images were related to green vegetation, senescent foliage and senescing cypress-tupelo forest, senescing Chinese tallow with red leaves ('red tallow'), and a composition image that only corresponded slightly to yellowing vegetation. These statistical and visual comparisons confirmed a successful portrayal of landscape features at the time of the Hyperion image collection. These landscape features were amalgamated in the Landsat Thematic Mapper (TM) pixel, thereby preventing the detection of Chinese tallow occurrences in the Landsat TM classification. With the occurrence in percentage of red tallow (as a surrogate for Chinese tallow) per pixel mapped, we were able to link dominant land covers generated with Landsat TM image data to Chinese tallow occurrences as a first step toward determining the sensitivity and susceptibility of various land covers to tallow establishment. Results suggested that the highest occurrences and widest distribution of red tallow were (1) apparent in disturbed or more open canopy woody wetland deciduous forests (including cypress-tupelo forests), upland woody land evergreen forests (dominantly pines and seedling plantations), and upland woody land deciduous and mixed forests; (2) scattered throughout the fallow fields or located along fence rows separating active and non-active cultivated and grazing fields, (3) found along levees lining the ubiquitous canals within the marsh and on the cheniers near the coastline; and (4) present within the coastal marsh located on the numerous topographic highs. ?? 2005 US Government.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Journal of Remote Sensing","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1080/01431160512331326701","issn":"01431161","usgsCitation":"Ramsey, E., Rangoonwala, A., Nelson, G., and Ehrlich, R., 2005, Mapping the invasive species, Chinese tallow, with EO1 satellite Hyperion hyperspectral image data and relating tallow occurrences to a classified Landsat Thematic Mapper land cover map: International Journal of Remote Sensing, v. 26, no. 8, p. 1637-1657, https://doi.org/10.1080/01431160512331326701.","startPage":"1637","endPage":"1657","numberOfPages":"21","costCenters":[],"links":[{"id":210549,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/01431160512331326701"},{"id":237505,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"26","issue":"8","noUsgsAuthors":false,"publicationDate":"2007-02-22","publicationStatus":"PW","scienceBaseUri":"505a5083e4b0c8380cd6b72e","contributors":{"authors":[{"text":"Ramsey, Elijah W. III 0000-0002-4518-5796","orcid":"https://orcid.org/0000-0002-4518-5796","contributorId":72769,"corporation":false,"usgs":true,"family":"Ramsey","given":"Elijah W.","suffix":"III","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":false,"id":421547,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rangoonwala, A. 0000-0002-0556-0598","orcid":"https://orcid.org/0000-0002-0556-0598","contributorId":95248,"corporation":false,"usgs":true,"family":"Rangoonwala","given":"A.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":false,"id":421548,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nelson, G.","contributorId":101072,"corporation":false,"usgs":true,"family":"Nelson","given":"G.","affiliations":[],"preferred":false,"id":421549,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ehrlich, R.","contributorId":72192,"corporation":false,"usgs":true,"family":"Ehrlich","given":"R.","email":"","affiliations":[],"preferred":false,"id":421546,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70028999,"text":"70028999 - 2005 - Observer variability in pinniped counts: Ground-based enumeration of walruses at haul-out sites","interactions":[],"lastModifiedDate":"2018-08-20T20:05:41","indexId":"70028999","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2671,"text":"Marine Mammal Science","active":true,"publicationSubtype":{"id":10}},"title":"Observer variability in pinniped counts: Ground-based enumeration of walruses at haul-out sites","docAbstract":"<p>Pinnipeds are often monitored by counting individuals at haul-out sites, but the often large numbers of densely packed individuals at these sites are difficult to enumerate accurately. Errors in enumeration can induce bias and reduce precision in estimates of population size and trend. We used data from paired observers monitoring walrus haul-outs in Bristol Bay, Alaska, to quantify observer variability and assess its relative importance. The probability of a pair of observers making identical counts was 50 individuals. Mean count differences ranged up to 25% for the largest counts, depending on beach and observers. In at least some cases, there was a clear tendency for counts of one observer to be consistently greater than counts of the other observer in a pair, indicating that counts of at least one of the observers were biased. These results suggest that efforts to improve accuracy of counts will be worthwhile. However, we also found that variation among observers was relatively small compared to variation among visits to a beach so that efforts to account for other sources of variation will be more important.</p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Marine Mammal Science","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1748-7692.2005.tb01211.x","issn":"08240469","usgsCitation":"Udevitz, M.S., Jay, C., and Cody, M., 2005, Observer variability in pinniped counts: Ground-based enumeration of walruses at haul-out sites: Marine Mammal Science, v. 21, no. 1, p. 108-120, https://doi.org/10.1111/j.1748-7692.2005.tb01211.x.","productDescription":"13 p.","startPage":"108","endPage":"120","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":236734,"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":"505a6af8e4b0c8380cd7444d","contributors":{"authors":[{"text":"Udevitz, Mark S. 0000-0003-4659-138X mudevitz@usgs.gov","orcid":"https://orcid.org/0000-0003-4659-138X","contributorId":3189,"corporation":false,"usgs":true,"family":"Udevitz","given":"Mark","email":"mudevitz@usgs.gov","middleInitial":"S.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":420888,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jay, C.V. 0000-0002-9559-2189","orcid":"https://orcid.org/0000-0002-9559-2189","contributorId":67827,"corporation":false,"usgs":true,"family":"Jay","given":"C.V.","affiliations":[],"preferred":false,"id":420887,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cody, M.B.","contributorId":43154,"corporation":false,"usgs":true,"family":"Cody","given":"M.B.","email":"","affiliations":[],"preferred":false,"id":420886,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":1016618,"text":"1016618 - 2005 - Markov Chain Monte Carlo estimation of species distributions: A case study of the swift fox in western Kansas","interactions":[],"lastModifiedDate":"2022-12-05T17:38:55.88902","indexId":"1016618","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","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":"Markov Chain Monte Carlo estimation of species distributions: A case study of the swift fox in western Kansas","docAbstract":"<p><span>Accurate maps of species distributions are essential tools for wildlife research and conservation. Unfortunately, biologists often are forced to rely on maps derived from observed occurrences recorded opportunistically during observation periods of variable length. Spurious inferences are likely to result because such maps are profoundly affected by the duration and intensity of observation and by methods used to delineate distributions, especially when detection is uncertain. We conducted a systematic survey of swift fox (</span><i><span class=\"genus-species\">Vulpes velox</span></i><span>) distribution in western Kansas, USA, and used Markov chain Monte Carlo (MCMC) image restoration to rectify these problems. During 1997–1999, we searched 355 townships (ca. 93 km</span><sup>2</sup><span>) 1–3 times each for an average cost of $7,315 per year and achieved a detection rate (probability of detecting swift foxes, if present, during a single search) of θ̂ = 0.69 (95% Bayesian confidence interval [BCI] = [0.60, 0.77]). Our analysis produced an estimate of the underlying distribution, rather than a map of observed occurrences, that reflected the uncertainty associated with estimates of model parameters. To evaluate our results, we analyzed simulated data with similar properties. Results of our simulations suggest negligible bias and god good precision when probabilities of detection on ≥1 survey occasions (cumulative probabilities of detection) exceed 0.65. Although the use of MCMC image restoration has been limited by theoretical and computational complexities, alternatives do not possess the same advantages. Image models accommodate uncertain detection, do not require spatially independent data or a census of map units, and can be used to estimate species distributions directly from observations without relying on habitat covariates or parameters that must be estimated subjectively. These features facilitate economical surveys of large regions, the detection of temporal trends in distribution, and assessments of landscape-level relations between species and habitats. Requirements for the use of MCMC image restoration include study areas that can be partitioned into regular grids of mapping units, spatially contagious species distributions, reliable methods for identifying target species, and cumulative probabilities of detection ≥0.65.</span></p>","language":"English","publisher":"Wildlife Society","doi":"10.2193/0022-541X(2005)069[0483:MCMCEO]2.0.CO;2","usgsCitation":"Sargeant, G.A., Sovada, M.A., Slivinski, C.C., and Johnson, D.H., 2005, Markov Chain Monte Carlo estimation of species distributions: A case study of the swift fox in western Kansas: Journal of Wildlife Management, v. 69, no. 2, p. 483-487, https://doi.org/10.2193/0022-541X(2005)069[0483:MCMCEO]2.0.CO;2.","productDescription":"5 p.","startPage":"483","endPage":"487","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":132903,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Kansas","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -99.1195294810754,\n              40\n            ],\n            [\n              -101.97864152565768,\n              40\n            ],\n            [\n              -101.97864152565768,\n              37.01223829729045\n            ],\n            [\n              -99.1195294810754,\n              37.01223829729045\n            ],\n            [\n              -99.1195294810754,\n              40\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"69","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a25e4b07f02db60eebc","contributors":{"authors":[{"text":"Sargeant, Glen A. 0000-0003-3845-8503 gsargeant@usgs.gov","orcid":"https://orcid.org/0000-0003-3845-8503","contributorId":1301,"corporation":false,"usgs":true,"family":"Sargeant","given":"Glen","email":"gsargeant@usgs.gov","middleInitial":"A.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":324521,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sovada, Marsha A. msovada@usgs.gov","contributorId":2601,"corporation":false,"usgs":true,"family":"Sovada","given":"Marsha","email":"msovada@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":324522,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Slivinski, Christiane C.","contributorId":174792,"corporation":false,"usgs":false,"family":"Slivinski","given":"Christiane","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":324520,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Johnson, Douglas H. 0000-0002-7778-6641 douglas_h_johnson@usgs.gov","orcid":"https://orcid.org/0000-0002-7778-6641","contributorId":1387,"corporation":false,"usgs":true,"family":"Johnson","given":"Douglas","email":"douglas_h_johnson@usgs.gov","middleInitial":"H.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":324523,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70029129,"text":"70029129 - 2005 - Observations of plan-view sand ripple behavior and spectral wave climate on the inner shelf of San Pedro Bay, California","interactions":[],"lastModifiedDate":"2012-03-12T17:20:53","indexId":"70029129","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1333,"text":"Continental Shelf Research","active":true,"publicationSubtype":{"id":10}},"title":"Observations of plan-view sand ripple behavior and spectral wave climate on the inner shelf of San Pedro Bay, California","docAbstract":"Concurrent video images of sand ripples and current meter measurements of directional wave spectra are analyzed to study the relations between waves and wave-generated sand ripples. The data were collected on the inner shelf off Huntington Beach, California, at 15 m water depth, where the sea floor is comprised of well-sorted very fine sands (D50=92 ??m), during the winter of 2002. The wave climate, which was controlled by southerly swells (12-18 s period) and westerly wind waves (5-10 s period), included three wave types: (A) uni-modal, swells only; (B) bi-modal, swells dominant; and (C) bi-modal, wind-wave dominant. Each wave type has distinct relations with the plan-view shapes of ripples that are classified into five types: (1) sharp-crested, two-dimensional (2-D) ripples; (2) sharp-crested, brick-pattern, 3-D ripples; (3) bifurcated, 3-D ripples; (4) round-crested, shallow, 3-D ripples; and (5) flat bed. The ripple spacing is very small and varies between 4.5 and 7.5 cm. These ripples are anorbital as ripples in many field studies. Ripple orientation is only correlated with wave directions during strong storms (wave type C). In a poly-modal, multi-directional spectral wave environment, the use of the peak parameters (frequency, direction), a common practice when spectral wave measurements are unavailable, may lead to significant errors in boundary layer and sediment transport calculations. ?? 2004 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Continental Shelf Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.csr.2004.10.004","issn":"02784343","usgsCitation":"Xu, J.P., 2005, Observations of plan-view sand ripple behavior and spectral wave climate on the inner shelf of San Pedro Bay, California: Continental Shelf Research, v. 25, no. 3, p. 373-396, https://doi.org/10.1016/j.csr.2004.10.004.","startPage":"373","endPage":"396","numberOfPages":"24","costCenters":[],"links":[{"id":210660,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.csr.2004.10.004"},{"id":237653,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6a9ae4b0c8380cd74282","contributors":{"authors":[{"text":"Xu, J. P.","contributorId":74528,"corporation":false,"usgs":true,"family":"Xu","given":"J.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":421433,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70029124,"text":"70029124 - 2005 - An alternative approach to characterize nonlinear site effects","interactions":[],"lastModifiedDate":"2016-01-27T12:10:40","indexId":"70029124","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1436,"text":"Earthquake Spectra","active":true,"publicationSubtype":{"id":10}},"title":"An alternative approach to characterize nonlinear site effects","docAbstract":"<p>This paper examines the rationale of a method of nonstationary processing and analysis, referred to as the Hilbert-Huang transform (HHT), for its application to a recording-based approach in quantifying influences of soil nonlinearity in site response. In particular, this paper first summarizes symptoms of soil nonlinearity shown in earthquake recordings, reviews the Fourier-based approach to characterizing nonlinearity, and offers justifications for the HHT in addressing nonlinearity issues. This study then uses the HHT method to analyze synthetic data and recordings from the 1964 Niigata and 2001 Nisqually earthquakes. In doing so, the HHT-based site response is defined as the ratio of marginal Hilbert amplitude spectra, alternative to the Fourier-based response that is the ratio of Fourier amplitude spectra. With the Fourier-based approach in studies of site response as a reference, this study shows that the alternative HHT-based approach is effective in characterizing soil nonlinearity and nonlinear site response.</p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Earthquake Spectra","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Earthquake Engineering Research Institute","publisherLocation":"Berkeley","doi":"10.1193/1.1853390","issn":"87552930","usgsCitation":"Zhang, R., Hartzell, S., Liang, J., and Hu, Y., 2005, An alternative approach to characterize nonlinear site effects: Earthquake Spectra, v. 21, no. 1, p. 243-274, https://doi.org/10.1193/1.1853390.","productDescription":"32 p.","startPage":"243","endPage":"274","numberOfPages":"32","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":237581,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210607,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1193/1.1853390"}],"volume":"21","issue":"1","noUsgsAuthors":false,"publicationDate":"2005-02-01","publicationStatus":"PW","scienceBaseUri":"5059e9ebe4b0c8380cd4851b","contributors":{"authors":[{"text":"Zhang, R.R.","contributorId":18942,"corporation":false,"usgs":true,"family":"Zhang","given":"R.R.","email":"","affiliations":[],"preferred":false,"id":421411,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hartzell, S.","contributorId":12603,"corporation":false,"usgs":true,"family":"Hartzell","given":"S.","email":"","affiliations":[],"preferred":false,"id":421410,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Liang, J.","contributorId":80069,"corporation":false,"usgs":true,"family":"Liang","given":"J.","email":"","affiliations":[],"preferred":false,"id":421413,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hu, Y.","contributorId":68474,"corporation":false,"usgs":true,"family":"Hu","given":"Y.","email":"","affiliations":[],"preferred":false,"id":421412,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70029143,"text":"70029143 - 2005 - Advantageous GOES IR results for ash mapping at high latitudes: Cleveland eruptions 2001","interactions":[],"lastModifiedDate":"2019-05-02T11:28:17","indexId":"70029143","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","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":"Advantageous GOES IR results for ash mapping at high latitudes: Cleveland eruptions 2001","docAbstract":"<p><span>The February 2001 eruption of Cleveland Volcano, Alaska allowed for comparisons of volcanic ash detection using two‐band thermal infrared (10–12 μm) remote sensing from MODIS, AVHRR, and GOES 10. Results show that high latitude GOES volcanic cloud sensing the range of about 50 to 65°N is significantly enhanced. For the Cleveland volcanic clouds the MODIS and AVHRR data have zenith angles 6–65 degrees and the GOES has zenith angles that are around 70 degrees. The enhancements are explained by distortion in the satellite view of the cloud's lateral extent because the satellite zenith angles result in a “side‐looking” aspect and longer path lengths through the volcanic cloud. The shape of the cloud with respect to the GOES look angle also influences the results. The MODIS and AVHRR data give consistent retrievals of the ash cloud evolution over time and are good corrections for the GOES data.</span></p>","language":"English","publisher":"AGU","doi":"10.1029/2004GL021651","issn":"00948276","usgsCitation":"Gu, Y., Rose, W.I., Schneider, D., Bluth, G., and Watson, I., 2005, Advantageous GOES IR results for ash mapping at high latitudes: Cleveland eruptions 2001: Geophysical Research Letters, v. 32, no. 2, p. 1-5, https://doi.org/10.1029/2004GL021651.","productDescription":"5 p.","startPage":"1","endPage":"5","numberOfPages":"5","costCenters":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":477901,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2004gl021651","text":"Publisher Index Page"},{"id":237904,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210858,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2004GL021651"}],"country":"United States","state":"Alaska","otherGeospatial":"Cleveland volcano","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -170.01617431640625,\n              52.79113653258534\n            ],\n            [\n              -169.86923217773438,\n              52.79113653258534\n            ],\n            [\n              -169.86923217773438,\n              52.859180945520826\n            ],\n            [\n              -170.01617431640625,\n              52.859180945520826\n            ],\n            [\n              -170.01617431640625,\n              52.79113653258534\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"32","issue":"2","noUsgsAuthors":false,"publicationDate":"2005-01-28","publicationStatus":"PW","scienceBaseUri":"5059e709e4b0c8380cd477eb","contributors":{"authors":[{"text":"Gu, Yingxin 0000-0002-3544-1856 ygu@usgs.gov","orcid":"https://orcid.org/0000-0002-3544-1856","contributorId":139586,"corporation":false,"usgs":true,"family":"Gu","given":"Yingxin","email":"ygu@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true},{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":true,"id":421503,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rose, William I. Jr.","contributorId":71556,"corporation":false,"usgs":true,"family":"Rose","given":"William","suffix":"Jr.","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":421504,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schneider, D.J.","contributorId":12997,"corporation":false,"usgs":true,"family":"Schneider","given":"D.J.","email":"","affiliations":[],"preferred":false,"id":421502,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bluth, G.J.S.","contributorId":79258,"corporation":false,"usgs":true,"family":"Bluth","given":"G.J.S.","email":"","affiliations":[],"preferred":false,"id":421506,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Watson, I.M.","contributorId":77696,"corporation":false,"usgs":true,"family":"Watson","given":"I.M.","email":"","affiliations":[],"preferred":false,"id":421505,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70029123,"text":"70029123 - 2005 - Acute toxicity of six freshwater mussel species (Glochidia) to six chemicals: Implications for daphnids and Utterbackia imbecillis as surrogates for protection of freshwater mussels (Unionidae)","interactions":[],"lastModifiedDate":"2012-03-12T17:20:53","indexId":"70029123","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":887,"text":"Archives of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Acute toxicity of six freshwater mussel species (Glochidia) to six chemicals: Implications for daphnids and Utterbackia imbecillis as surrogates for protection of freshwater mussels (Unionidae)","docAbstract":"Acute (24-h) toxicity tests were used in this study to compare lethality responses in early life stages (glochidia) of six freshwater mussel species, Leptodea fragilis, U. imbecillis, Lampsilis cardium, Lampsilis siliquoidea, Megalonaias nervosa, and Ligumia subrostrata, and two standard test organisms, Ceriodaphnia dubia and Daphnia magna. Concentrations of carbaryl, copper, 4-nonylphenol, pentachlorophenol, permethrin, and 2,4-D were used in acute exposures to represent different chemical classes and modes of action. The relative sensitivities of species were evaluated by ranking their LC 50 values for each chemical. We used these ranks to determine the extent to which U. imbecillis (one of the most commonly used unionids in toxicity tests) was representative of the tolerances of other mussels. We also calculated geometric mean LC50s for the families Unionidae and Daphnidae. Rankings of these data were used to assess the extent to which Daphnidae can be used as surrogates for freshwater mussels relative to chemical sensitivity. While no single chemical elicited consistently high or low toxicity estimates, carbaryl and 2,4-D were generally the least toxic to all species tested. No species was always the most sensitive, and Daphnidae were generally protective of Unionidae. Utterbackia imbecillis, while often proposed as a standard unionid mussel test species, did not always qualify as a sufficient surrogate (i.e., a substitute organism that often elicits similar sensitivity responses to the same contaminant exposure) for other species of mussels, since it was usually one of the more tolerant species in our rankings. U. imbecillis should be used as a surrogate species only with this caution on its relative insensitivity. ?? 2005 Springer Science+Business Media, Inc.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Archives of Environmental Contamination and Toxicology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00244-003-3125-3","issn":"00904341","usgsCitation":"Milam, C., Farris, J., Dwyer, F., and Hardesty, D., 2005, Acute toxicity of six freshwater mussel species (Glochidia) to six chemicals: Implications for daphnids and Utterbackia imbecillis as surrogates for protection of freshwater mussels (Unionidae): Archives of Environmental Contamination and Toxicology, v. 48, no. 2, p. 166-173, https://doi.org/10.1007/s00244-003-3125-3.","startPage":"166","endPage":"173","numberOfPages":"8","costCenters":[],"links":[{"id":210606,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00244-003-3125-3"},{"id":237580,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"48","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e6dee4b0c8380cd476ad","contributors":{"authors":[{"text":"Milam, C.D.","contributorId":65197,"corporation":false,"usgs":true,"family":"Milam","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":421407,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Farris, J.L.","contributorId":88849,"corporation":false,"usgs":true,"family":"Farris","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":421408,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dwyer, F.J.","contributorId":107818,"corporation":false,"usgs":true,"family":"Dwyer","given":"F.J.","email":"","affiliations":[],"preferred":false,"id":421409,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hardesty, D.K.","contributorId":43935,"corporation":false,"usgs":true,"family":"Hardesty","given":"D.K.","email":"","affiliations":[],"preferred":false,"id":421406,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70031459,"text":"70031459 - 2005 - The accuracy of matrix population model projections for coniferous trees in the Sierra Nevada, California","interactions":[],"lastModifiedDate":"2012-03-12T17:21:09","indexId":"70031459","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2242,"text":"Journal of Ecology","active":true,"publicationSubtype":{"id":10}},"title":"The accuracy of matrix population model projections for coniferous trees in the Sierra Nevada, California","docAbstract":"1 We assess the use of simple, size-based matrix population models for projecting population trends for six coniferous tree species in the Sierra Nevada, California. We used demographic data from 16 673 trees in 15 permanent plots to create 17 separate time-invariant, density-independent population projection models, and determined differences between trends projected from initial surveys with a 5-year interval and observed data during two subsequent 5-year time steps. 2 We detected departures from the assumptions of the matrix modelling approach in terms of strong growth autocorrelations. We also found evidence of observation errors for measurements of tree growth and, to a more limited degree, recruitment. Loglinear analysis provided evidence of significant temporal variation in demographic rates for only two of the 17 populations. 3 Total population sizes were strongly predicted by model projections, although population dynamics were dominated by carryover from the previous 5-year time step (i.e. there were few cases of recruitment or death). Fractional changes to overall population sizes were less well predicted. Compared with a null model and a simple demographic model lacking size structure, matrix model projections were better able to predict total population sizes, although the differences were not statistically significant. Matrix model projections were also able to predict short-term rates of survival, growth and recruitment. Mortality frequencies were not well predicted. 4 Our results suggest that simple size-structured models can accurately project future short-term changes for some tree populations. However, not all populations were well predicted and these simple models would probably become more inaccurate over longer projection intervals. The predictive ability of these models would also be limited by disturbance or other events that destabilize demographic rates. ?? 2005 British Ecological Society.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1365-2745.2005.01007.x","issn":"00220477","usgsCitation":"van Mantgem, P.J., and Stephenson, N., 2005, The accuracy of matrix population model projections for coniferous trees in the Sierra Nevada, California: Journal of Ecology, v. 93, no. 4, p. 737-747, https://doi.org/10.1111/j.1365-2745.2005.01007.x.","startPage":"737","endPage":"747","numberOfPages":"11","costCenters":[],"links":[{"id":212564,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1365-2745.2005.01007.x"},{"id":240066,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"93","issue":"4","noUsgsAuthors":false,"publicationDate":"2005-05-03","publicationStatus":"PW","scienceBaseUri":"505ba99ce4b08c986b3223a7","contributors":{"authors":[{"text":"van Mantgem, P. J.","contributorId":73527,"corporation":false,"usgs":true,"family":"van Mantgem","given":"P.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":431600,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stephenson, N.L.","contributorId":17559,"corporation":false,"usgs":true,"family":"Stephenson","given":"N.L.","email":"","affiliations":[],"preferred":false,"id":431599,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70027762,"text":"70027762 - 2005 - Radiogenic 4He as a conservative tracer in buried‐valley aquifers","interactions":[],"lastModifiedDate":"2018-03-30T11:09:10","indexId":"70027762","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","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}},"displayTitle":"Radiogenic <sup>4</sup>He as a conservative tracer in buried‐valley aquifers","title":"Radiogenic 4He as a conservative tracer in buried‐valley aquifers","docAbstract":"<p><span>The accumulation of&nbsp;</span><sup>4</sup><span>He in groundwater can be a powerful tool in hydrogeologic investigations. However, the use of<span>&nbsp;</span></span><sup>4</sup><span>He often suffers from disagreement or uncertainty related to in situ and external sources of<span>&nbsp;</span></span><sup>4</sup><span>He. In situ sources are quantified by several methods, while external sources are often treated as calibration parameters in modeling. We present data from direct laboratory measurements of<span>&nbsp;</span></span><sup>4</sup><span>He release from sediments and field data of dissolved<span>&nbsp;</span></span><sup>4</sup><span>He in the Mahomet Aquifer, a well‐studied buried‐valley aquifer in central Illinois. The laboratory‐derived accumulation rates (0.13–0.91 μcm</span><sup>3</sup><span><span>&nbsp;</span>STP kg</span><sub>water</sub><sup>−1</sup><span><span>&nbsp;</span>yr</span><sup>−1</sup><span>) are 1–2 orders of magnitude greater than the accumulation rates based on the U and Th concentrations of the sediments (0.004–0.009 μcm</span><sup>3</sup><span><span>&nbsp;</span>STP kg</span><sub>water</sub><sup>−1</sup><span><span>&nbsp;</span>yr</span><sup>−1</sup><span>). The direct measurement of accumulation rates are more consistent with dissolved concentrations of<span>&nbsp;</span></span><sup>4</sup><span>He in the groundwater. We suggest that the direct measurement method is applicable in a variety of hydrogeologic settings. The patterns of accumulation of<span>&nbsp;</span></span><sup>4</sup><span>He are consistent with the conceptual model of flow in the aquifer based on hydraulic and geochemical evidence and show areas where in situ production and external sources of<span>&nbsp;</span></span><sup>4</sup><span>He are dominant. In the southwestern part of the study area, Ne concentrations are less than atmospheric solubility, indicating gases have been lost from the groundwater. Available evidence indicates that the gases are lost as groundwater passes by pockets of CH</span><sub>4</sub><span><span>&nbsp;</span>in glacial deposits overlying the aquifer. However, the external flux from the underlying bedrock appears to dominate the accumulation of radiogenic<span>&nbsp;</span></span><sup>4</sup><span>He in the aquifer in the southwestern part of the study area, and the loss or gain of helium as groundwater passes through the overlying sediments is minor in comparison.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2004WR003857","usgsCitation":"Van der Hoven, S.J., Wright, R.E., Carstens, D.A., and Hackley, K.C., 2005, Radiogenic 4He as a conservative tracer in buried‐valley aquifers: Water Resources Research, v. 41, no. 11, Article W11414; 13 p., https://doi.org/10.1029/2004WR003857.","productDescription":"Article W11414; 13 p.","costCenters":[],"links":[{"id":477919,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2004wr003857","text":"Publisher Index Page"},{"id":238141,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"11","noUsgsAuthors":false,"publicationDate":"2005-11-16","publicationStatus":"PW","scienceBaseUri":"505a93f8e4b0c8380cd8111d","contributors":{"authors":[{"text":"Van der Hoven, Stephen J.","contributorId":95260,"corporation":false,"usgs":false,"family":"Van der Hoven","given":"Stephen","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":415114,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wright, R. Erik","contributorId":59588,"corporation":false,"usgs":false,"family":"Wright","given":"R.","email":"","middleInitial":"Erik","affiliations":[],"preferred":false,"id":415112,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carstens, David A.","contributorId":47570,"corporation":false,"usgs":false,"family":"Carstens","given":"David","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":415113,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hackley, Keith C.","contributorId":12166,"corporation":false,"usgs":true,"family":"Hackley","given":"Keith","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":415111,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70027833,"text":"70027833 - 2005 - Stress distribution along the Fairweather-Queen Charlotte transform fault system","interactions":[],"lastModifiedDate":"2012-03-12T17:20:50","indexId":"70027833","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Stress distribution along the Fairweather-Queen Charlotte transform fault system","docAbstract":"Tectonic loading and Coulomb stress transfer are modeled along the right-lateral Fairweather-Queen Charlotte transform fault system using a threedimensional boundary element program. The loading model includes slip below 12 km along the transform as well as motion of the Pacific plate, and it is consistent with most available Global Positioning System (GPS) displacement rate data. Coulomb stress transfer is shown to have been a weak contributing factor in the failure of the southeastern (Sitka) segment of the Fairweather fault in 1972, hastening the occurrence of the earthquake by only about 8 months. Failure of the Sitka segment was enhanced by a combination of cumulative loading from below (95%) by slip of about 5 cm/yr since 1848, by stress transfer (about 1%) from major earthquakes on straddling segments of the Queen Charlotte fault (M 8.1 in 1949) and the Fairweather fault (M 7.8 in 1958), and by viscoelastic relaxation (about 4%) following the great 1964 Alaska earthquake, modeled by Pollitz et al. (1998). Cumulative stress increases in excess of 7 MPa at a depth of 8 km are projected prior to the M 7.6 earthquake. Coulomb stress transferred by the rupture of the great M 9.2 Alaska earthquake in 1964 (Bufe, 2004a) also hastened the occurrence of the 1972 event, but only by a month or two. Continued tectonic loading over the last half century and stress transfer from the M 7.6 Sitka event has resulted in restressing of the adjacent segments by about 3 MPa at 8 km depth. The occurrence of a M 6.8 earthquake on the northwestern part of the Queen Charlotte fault on 28 June 2004, the largest since 1949, also suggests increased stress. The Cape St. James segment of the fault immediately southeast of the 1949 Queen Charlotte rupture has accumulated about 6 MPa at 8 km through loading since 1900 and stress transfer in 1949. A continued rise in earthquake hazard is indicated for the Alaska panhandle and Queen Charlotte Islands region in the decades ahead as the potential for damaging earthquakes increases.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the Seismological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/0120040171","issn":"00371106","usgsCitation":"Bufe, C., 2005, Stress distribution along the Fairweather-Queen Charlotte transform fault system: Bulletin of the Seismological Society of America, v. 95, no. 5, p. 2001-2008, https://doi.org/10.1785/0120040171.","startPage":"2001","endPage":"2008","numberOfPages":"8","costCenters":[],"links":[{"id":210986,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/0120040171"},{"id":238109,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"95","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9b55e4b08c986b31cdef","contributors":{"authors":[{"text":"Bufe, C. G.","contributorId":79443,"corporation":false,"usgs":true,"family":"Bufe","given":"C. G.","affiliations":[],"preferred":false,"id":415433,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70027947,"text":"70027947 - 2005 - Trend analysis of time-series phenology derived from satellite data","interactions":[],"lastModifiedDate":"2018-02-21T10:42:04","indexId":"70027947","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Trend analysis of time-series phenology derived from satellite data","docAbstract":"Remote sensing information has been used in studies of the seasonal dynamics (phenology) of the land surface for the past 15 years. While our understanding of remote sensing phenology is still in development, it is regarded as a key to understanding land surface processes over large areas. Repeat observations from satellite-borne multispectral sensors provide a mechanism to move from plant-specific to regional scale studies of phenology. In addition, we now have sufficient time-series (since 1982 at 8-km resolution covering the globe and since 1989 at 1-km resolution over the conterminous US) to study seasonal and interannual trends from satellite data. Phenology metrics including start of season, end of season, duration of season, and seasonally integrated greenness were derived from 8 km AVHRR data over North America spanning the years 1982-2003. Trend analysis was performed on the annual summaries of the metrics to determine areas with increasing or decreasing trends for the time period under study. Results show only small areas of changing start of season, but the end of season is coming later over well defined areas of New England and SE Canada, principally as a result of land use changes. The total greenness metric is most striking at the shrub/tundra boundary of North America, indicating increasing vegetation vigor or possible vegetation conversion as a result of warming. ?? 2005 IEEE.","largerWorkTitle":"Proceedings of the Third International Workshop on the Analysis of Multi-Temporal Remote Sensing Images 2005","conferenceTitle":"3rd International Workshop on the Analysis of Multi-Temporal Remote Sensing Images 2005","conferenceDate":"16 May 2005 through 18 May 2005","conferenceLocation":"Biloxi, MS","language":"English","doi":"10.1109/AMTRSI.2005.1469863","isbn":"0780391187; 9780780391185","usgsCitation":"Reed, B., and Brown, J.F., 2005, Trend analysis of time-series phenology derived from satellite data, <i>in</i> Proceedings of the Third International Workshop on the Analysis of Multi-Temporal Remote Sensing Images 2005, v. 2005, Biloxi, MS, 16 May 2005 through 18 May 2005, p. 166-168, https://doi.org/10.1109/AMTRSI.2005.1469863.","startPage":"166","endPage":"168","numberOfPages":"3","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":237042,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210194,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1109/AMTRSI.2005.1469863"}],"volume":"2005","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bb7c9e4b08c986b3274a3","contributors":{"authors":[{"text":"Reed, B. C. 0000-0002-1132-7178","orcid":"https://orcid.org/0000-0002-1132-7178","contributorId":55594,"corporation":false,"usgs":true,"family":"Reed","given":"B. C.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":415880,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brown, Jesslyn F. 0000-0002-9976-1998 jfbrown@usgs.gov","orcid":"https://orcid.org/0000-0002-9976-1998","contributorId":3241,"corporation":false,"usgs":true,"family":"Brown","given":"Jesslyn","email":"jfbrown@usgs.gov","middleInitial":"F.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":415879,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70027787,"text":"70027787 - 2005 - Use of relational databases to evaluate regional petroleum accumulation, groundwater flow, and CO2 sequestration in Kansas","interactions":[],"lastModifiedDate":"2012-03-12T17:20:50","indexId":"70027787","displayToPublicDate":"2005-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":701,"text":"American Association of Petroleum Geologists Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Use of relational databases to evaluate regional petroleum accumulation, groundwater flow, and CO2 sequestration in Kansas","docAbstract":"Large-scale relational databases and geographic information system tools are used to integrate temperature, pressure, and water geo-chemistry data from numerous wells to better understand regional-scale geothermal and hydrogeological regimes of the lower Paleozoic aquifer systems in the mid-continent and to evaluate their potential for geologic CO2 sequestration. The lower Paleozoic (Cambrian to Mississippian) aquifer systems in Kansas, Missouri, and Oklahoma comprise one of the largest regional-scale saline aquifer systems in North America. Understanding hydrologic conditions and processes of these regional-scale aquifer systems provides insight to the evolution of the various sedimentary basins, migration of hydrocarbons out of the Anadarko and Arkoma basins, and the distribution of Arbuckle petroleum reservoirs across Kansas and provides a basis to evaluate CO2 sequestration potential. The Cambrian and Ordovician stratigraphic units form a saline aquifer that is in hydrologic continuity with the freshwater recharge from the Ozark plateau and along the Nemaha anticline. The hydrologic continuity with areas of freshwater recharge provides an explanation for the apparent underpressure in the Arbuckle Group. Copyright ?? 2005. The American Association of Petroleum Geologists. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Association of Petroleum Geologists Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1306/07190504086","issn":"01491423","usgsCitation":"Carr, T., Merriam, D.F., and Bartley, J., 2005, Use of relational databases to evaluate regional petroleum accumulation, groundwater flow, and CO2 sequestration in Kansas: American Association of Petroleum Geologists Bulletin, v. 89, no. 12, p. 1607-1627, https://doi.org/10.1306/07190504086.","startPage":"1607","endPage":"1627","numberOfPages":"21","costCenters":[],"links":[{"id":237961,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210891,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1306/07190504086"}],"volume":"89","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bbf6ce4b08c986b329b58","contributors":{"authors":[{"text":"Carr, T.R.","contributorId":37094,"corporation":false,"usgs":true,"family":"Carr","given":"T.R.","email":"","affiliations":[],"preferred":false,"id":415213,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Merriam, D. F.","contributorId":63175,"corporation":false,"usgs":true,"family":"Merriam","given":"D.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":415214,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bartley, J.D.","contributorId":88533,"corporation":false,"usgs":true,"family":"Bartley","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":415215,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
]}