{"pageNumber":"1013","pageRowStart":"25300","pageSize":"25","recordCount":46734,"records":[{"id":70027465,"text":"70027465 - 2004 - Phylogenetic evidence for an ancient rapid radiation of Caribbean sponge-dwelling snapping shrimps (Synalpheus)","interactions":[],"lastModifiedDate":"2012-03-12T17:20:47","indexId":"70027465","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2779,"text":"Molecular Phylogenetics and Evolution","active":true,"publicationSubtype":{"id":10}},"title":"Phylogenetic evidence for an ancient rapid radiation of Caribbean sponge-dwelling snapping shrimps (Synalpheus)","docAbstract":"A common challenge in reconstructing phylogenies involves a high frequency of short internal branches, which makes basal relationships difficult to resolve. Often it is not clear whether this pattern results from insufficient or inappropriate data, versus from a rapid evolutionary radiation. The snapping shrimp genus Synalpheus, which contains in excess of 100 species and is a prominent component of coral-reef faunas worldwide, provides an example. Its taxonomy has long been problematic due to the subtlety of diagnostic characters and apparently widespread variability within species. Here we use partial mt COI and 16S rRNA sequences and morphological characters to reconstruct relationships among 31 species in the morphologically well-defined gambarelloides species group, a putative clade of obligate sponge associates that is mostly endemic to the Caribbean and contains the only known eusocial marine animals. Analysis of the combined data produced a single tree with good support for many terminal clades and for relationships with outgroups, but poor support for branches near the base of the gambarelloides group. Most basal branches are extremely short and terminal branches are long, suggesting a relatively ancient, but rapid radiation of the gambarelloides group. This hypothesis is supported by significant departure from a null model of temporally random cladogenesis. Calibration of divergence times among gambarelloides-group species using data from three geminate pairs of Synalpheus species separated by the isthmus of Panama suggests a major radiation between ???5 and 7 Mya, a few My before final closure of the Panamanian seaway during a period of spreading carbonate environments in the Caribbean; a second, smaller radiation occurred ???4 Mya. This molecular evidence for a rapid radiation among Caribbean marine organisms in the late Miocene/early Pliocene is strikingly similar to patterns documented from fossil data for several other Caribbean reef-associated invertebrate taxa. The similar patterns and timing of cladogenesis evidenced by molecular and fossil data for different Caribbean and East Pacific taxa suggests that the radiation involved a wide range of organisms, and strengthens the case that poor basal resolution in the gambarelloides group of Synalpheus reflects a real evolutionary phenomenon. The rapid radiation also helps explain the historical difficulty of diagnosing species in Synalpheus. ?? 2003 Elsevier Inc. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Molecular Phylogenetics and Evolution","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/S1055-7903(03)00252-5","issn":"10557903","usgsCitation":"Morrison, C., Rios, R., and Duffy, J., 2004, Phylogenetic evidence for an ancient rapid radiation of Caribbean sponge-dwelling snapping shrimps (Synalpheus): Molecular Phylogenetics and Evolution, v. 30, no. 3, p. 563-581, https://doi.org/10.1016/S1055-7903(03)00252-5.","startPage":"563","endPage":"581","numberOfPages":"19","costCenters":[],"links":[{"id":238086,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":210972,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/S1055-7903(03)00252-5"}],"volume":"30","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a7a4fe4b0c8380cd78e49","contributors":{"authors":[{"text":"Morrison, C.L. 0000-0001-9425-691X cmorrison@usgs.gov","orcid":"https://orcid.org/0000-0001-9425-691X","contributorId":72915,"corporation":false,"usgs":true,"family":"Morrison","given":"C.L.","email":"cmorrison@usgs.gov","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":413791,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rios, R.","contributorId":42419,"corporation":false,"usgs":true,"family":"Rios","given":"R.","email":"","affiliations":[],"preferred":false,"id":413790,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Duffy, J.E.","contributorId":36743,"corporation":false,"usgs":true,"family":"Duffy","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":413789,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":1008289,"text":"1008289 - 2004 - Plant functional traits in relation to fire in crown-fire ecosystems","interactions":[],"lastModifiedDate":"2016-09-23T13:51:09","indexId":"1008289","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Plant functional traits in relation to fire in crown-fire ecosystems","docAbstract":"<p><span>Disturbance is a dominant factor in many ecosystems, and the disturbance regime is likely to change over the next decades in response to land-use changes and global warming. We assume that predictions of vegetation dynamics can be made on the basis of a set of life-history traits that characterize the response of a species to disturbance. For crown-fire ecosystems, the main plant traits related to postfire persistence are the ability to resprout (persistence of individuals) and the ability to retain a persistent seed bank (persistence of populations). In this context, we asked (1) to what extent do different life-history traits co-occur with the ability to resprout and/or the ability to retain a persistent seed bank among differing ecosystems and (2) to what extent do combinations of fire-related traits (fire syndromes) change in a fire regime gradient? We explored these questions by reviewing the literature and analyzing databases compiled from different crown-fire ecosystems (mainly eastern Australia, California, and the Mediterranean basin). The review suggests that the pattern of correlation between the two basic postfire persistent traits and other plant traits varies between continents and ecosystems. From these results we predict, for instance, that not all resprouters respond in a similar way everywhere because the associated plant traits of resprouter species vary in different places. Thus, attempts to generalize predictions on the basis of the resprouting capacity may have limited power at a global scale. An example is presented for Australian heathlands. Considering the combination of persistence at individual (resprouting) and at population (seed bank) level, the predictive power at local scale was significantly increased.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.1890/02-4094","usgsCitation":"Pausas, J.G., Bradstock, R.A., Keith, D.A., and Keeley, J.E., 2004, Plant functional traits in relation to fire in crown-fire ecosystems: Ecology, v. 85, no. 4, p. 1085-1100, https://doi.org/10.1890/02-4094.","productDescription":"16 p.","startPage":"1085","endPage":"1100","numberOfPages":"16","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":478185,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://figshare.com/articles/journal_contribution/Plant_functional_traits_in_relation_to_fire_in_crown-fire_ecosystems/27742062","text":"External Repository"},{"id":132924,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad9e4b07f02db685024","contributors":{"authors":[{"text":"Pausas, Juli G.","contributorId":91347,"corporation":false,"usgs":true,"family":"Pausas","given":"Juli","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":317290,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bradstock, Ross A.","contributorId":42826,"corporation":false,"usgs":false,"family":"Bradstock","given":"Ross","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":317289,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Keith, David A.","contributorId":174879,"corporation":false,"usgs":false,"family":"Keith","given":"David","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":317292,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Keeley, Jon E. 0000-0002-4564-6521 jon_keeley@usgs.gov","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":1268,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon","email":"jon_keeley@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":317291,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70026546,"text":"70026546 - 2004 - Visual enhancement of unmixed multispectral imagery using adaptive smoothing","interactions":[],"lastModifiedDate":"2012-03-12T17:20:22","indexId":"70026546","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Visual enhancement of unmixed multispectral imagery using adaptive smoothing","docAbstract":"Adaptive smoothing (AS) has been previously proposed as a method to smooth uniform regions of an image, retain contrast edges, and enhance edge boundaries. The method is an implementation of the anisotropic diffusion process which results in a gray scale image. This paper discusses modifications to the AS method for application to multi-band data which results in a color segmented image. The process was used to visually enhance the three most distinct abundance fraction images produced by the Lagrange constraint neural network learning-based unmixing of Landsat 7 Enhanced Thematic Mapper Plus multispectral sensor data. A mutual information-based method was applied to select the three most distinct fraction images for subsequent visualization as a red, green, and blue composite. A reported image restoration technique (partial restoration) was applied to the multispectral data to reduce unmixing error, although evaluation of the performance of this technique was beyond the scope of this paper. The modified smoothing process resulted in a color segmented image with homogeneous regions separated by sharpened, coregistered multiband edges. There was improved class separation with the segmented image, which has importance to subsequent operations involving data classification.","largerWorkTitle":"Proceedings of SPIE - The International Society for Optical Engineering","conferenceTitle":"Visual Information Processing XIII","conferenceDate":"15 April 2004 through 16 April 2004","conferenceLocation":"Orlando, FL","language":"English","doi":"10.1117/12.543109","issn":"0277786X","usgsCitation":"Lemeshewsky, G., 2004, Visual enhancement of unmixed multispectral imagery using adaptive smoothing, <i>in</i> Proceedings of SPIE - The International Society for Optical Engineering, v. 5438, Orlando, FL, 15 April 2004 through 16 April 2004, p. 252-262, https://doi.org/10.1117/12.543109.","startPage":"252","endPage":"262","numberOfPages":"11","costCenters":[],"links":[{"id":208498,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1117/12.543109"},{"id":234273,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"5438","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bc293e4b08c986b32ac1d","contributors":{"editors":[{"text":"Rahman, Z.-U.","contributorId":112042,"corporation":false,"usgs":true,"family":"Rahman","given":"Z.-U.","email":"","affiliations":[],"preferred":false,"id":508875,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Schowengerdt, R.A.","contributorId":83707,"corporation":false,"usgs":true,"family":"Schowengerdt","given":"R.A.","affiliations":[],"preferred":false,"id":508874,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Reichenbach, S.E.","contributorId":113015,"corporation":false,"usgs":true,"family":"Reichenbach","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":508876,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Lemeshewsky, G.P.","contributorId":106927,"corporation":false,"usgs":true,"family":"Lemeshewsky","given":"G.P.","affiliations":[],"preferred":false,"id":409968,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":57982,"text":"ofr20041291 - 2004 - Stratton Sagebrush Hydrology Study Area: An annotated bibliography of research conducted 1968-1990","interactions":[],"lastModifiedDate":"2016-05-23T11:41:48","indexId":"ofr20041291","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2004-1291","title":"Stratton Sagebrush Hydrology Study Area: An annotated bibliography of research conducted 1968-1990","docAbstract":"<p>This annotated bibliography provides an overview of research projects conducted on the Stratton Sagebrush Hydrology Study Area (Stratton) since its designation as such in 1967. Sources include the Rocky Mountain Forest and Range Experiment Station records storage room, Laramie, Wyoming, the USGS and USFS online reference libraries, and scientific journal databases at the University of Wyoming and Colorado State University. This annotated bibliography summarizes publications from research conducted at Stratton during the prime of its tenure as a research lab from 1968 to 1990. In addition, an appendix is included that catalogues all data on file at the Rocky Mountain Forest and Range Experiment Station in Laramie, Wyoming. Each file folder was searched and its contents recorded here for the researcher seeking original data sets, charts, photographs and records.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20041291","usgsCitation":"Burgess, L.M., and Schoenecker, K.A., 2004, Stratton Sagebrush Hydrology Study Area: An annotated bibliography of research conducted 1968-1990: U.S. Geological Survey Open-File Report 2004-1291, iii, 40 p., https://doi.org/10.3133/ofr20041291.","productDescription":"iii, 40 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":185200,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20041291.PNG"},{"id":320291,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2004/1291/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a52b4","contributors":{"authors":[{"text":"Burgess, Leah M.","contributorId":58713,"corporation":false,"usgs":true,"family":"Burgess","given":"Leah","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258092,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schoenecker, Kathryn A. 0000-0001-9906-911X schoeneckerk@usgs.gov","orcid":"https://orcid.org/0000-0001-9906-911X","contributorId":2001,"corporation":false,"usgs":true,"family":"Schoenecker","given":"Kathryn","email":"schoeneckerk@usgs.gov","middleInitial":"A.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":258091,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":57983,"text":"ofr20041281 - 2004 - Colorado Canyons National Conservation Area 2003 visitor use survey: Completion report","interactions":[],"lastModifiedDate":"2016-05-23T11:11:08","indexId":"ofr20041281","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2004-1281","title":"Colorado Canyons National Conservation Area 2003 visitor use survey: Completion report","docAbstract":"<p>This report represents the analysis of research conducted by the U.S. Geological Survey (USGS) for the Bureau of Land Management (BLM). The purpose is to provide socio-economic and recreational use information that can be used in the development of a Resource Management Plan (RMP) for the Colorado Canyons National Conservation Area (CCNCA). The results reported here deal primarily with recreation-based activities in four areas: Kokopelli Loops, Rabbit Valley, Loma Boat Launch, and Devil&rsquo;s Canyon.</p>\n<p>In the fall of 2002, researchers from the Policy Analysis and Science Assistance Program (PASA) of the Fort Collins Science Center (FORT) in the USGS met with the staff of the CCNCA to discuss the issues related to social, economic, and human dimensions of natural resource management related to the RMP. As a result, a research study was designed to investigate the recreational experiences of visitors and their attitudes toward the management of the conservation area.</p>\n<p>In the spring of 2003, PASA conducted an intercept survey of recreational users at the CCNCA and a mail survey of local residents who were actively involved in decision-making regarding recreation on public lands in Mesa County, Colorado. Two hundred and three (203) mail surveys (66%) were returned and all of them were completed in full and considered usable. The intercept survey had a response rate with a range from 56%&ndash;64% among the four sites that were surveyed. We developed a questionnaire (OMB Control Number: 1040-0001) to answer the following questions:<br /><br /></p>\n<ul>\n<li>What are the important differences in citizens&rsquo; attitudes regarding recreation at the CCNCA?</li>\n<li>What are the factors that explain the differences in attitudes and preferences regarding recreation management of the NCA?</li>\n<li>What are citizens&rsquo; attitudes and preferences regarding their attitudes about paying a fee to visit the CCNCA?</li>\n</ul>\n<p>In general, respondents at all sites reported having an excellent or good recreation experience and almost all indicated that they intended to return. The results from the intercept survey indicated that across four sites 1(Kokopelli Loops, Devil&rsquo;s Canyon, Loma Boat Launch, and Rabbit Valley) respondents reported support for undeveloped use and recreation restrictions to limit resource impacts. Respondents indicated that managing sites for undeveloped use was a good idea.</p>\n<p>The respondents from the mail survey generally had a positive orientation toward current management practices of the CCNCA. According to our surveys, non-motorized trail related activities were among the three most popular activities people engaged in both close to home and while away. These trail-based recreational activities included walking, running, mountain bike riding, and horseback riding. Research has shown that people participate in these activities for many reasons including learning about nature, exercising, to learning about paleontology, escaping for awhile, and socializing with family and friends (Taylor, 2000). National data indicate that larger percentages of the general American population engage in trail activities than in many other traditional outdoor&nbsp;activities (Cordell, 1999). Over 65% of people in the U.S. engage in walking as a recreational activity (Figure 1). We found that people wanted to experience the outdoors and the CCNCA provided a good place to do it.</p>\n<p>Trail activities are often those that people participate in on a regular basis as a way to exercise. This can make trail related activities more attractive from a management standpoint because people who participate in an activity may be more likely to be repeat visitors.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20041281","usgsCitation":"Ponds, P., Gillette, S.C., and Koontz, L., 2004, Colorado Canyons National Conservation Area 2003 visitor use survey: Completion report: U.S. Geological Survey Open-File Report 2004-1281, iii, 68 p., https://doi.org/10.3133/ofr20041281.","productDescription":"iii, 68 p.","numberOfPages":"76","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2003-01-01","temporalEnd":"2003-12-31","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":185201,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20041281.PNG"},{"id":320279,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2004/1281/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d48e","contributors":{"authors":[{"text":"Ponds, Phadrea","contributorId":88788,"corporation":false,"usgs":true,"family":"Ponds","given":"Phadrea","affiliations":[],"preferred":false,"id":258095,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gillette, Shana C.","contributorId":9346,"corporation":false,"usgs":true,"family":"Gillette","given":"Shana","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":258094,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Koontz, Lynne koontzl@usgs.gov","contributorId":2174,"corporation":false,"usgs":false,"family":"Koontz","given":"Lynne","email":"koontzl@usgs.gov","affiliations":[{"id":7016,"text":"Environmental Quality Division, National Park Service, Fort Collins, Colorado","active":true,"usgs":false}],"preferred":false,"id":258093,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026567,"text":"70026567 - 2004 - Seismic hazard maps of Mexico, the Caribbean, and Central and South America","interactions":[],"lastModifiedDate":"2012-03-12T17:20:39","indexId":"70026567","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Seismic hazard maps of Mexico, the Caribbean, and Central and South America","docAbstract":"The growth of megacities in seismically active regions around the world often includes the construction of seismically unsafe buildings and infrastructures due to an insufficient knowledge of existing seismic hazard and/or economic constraints. Minimization of the loss of life, property damage, and social and economic disruption due to earthquakes depends on reliable estimates of seismic hazard. We have produced a suite of seismic hazard estimates for Mexico, the Caribbean, and Central and South America. One of the preliminary maps in this suite served as the basis for the Caribbean and Central and South America portion of the Global Seismic Hazard Map (GSHM) published in 1999, which depicted peak ground acceleration (pga) with a 10% chance of exceedance in 50 years for rock sites. Herein we present maps depicting pga and 0.2 and 1.0 s spectral accelerations (SA) with 50%, 10%, and 2% chances of exceedance in 50 years for rock sites. The seismicity catalog used in the generation of these maps adds 3 more years of data to those used to calculate the GSH Map. Different attenuation functions (consistent with those used to calculate the U.S. and Canadian maps) were used as well. These nine maps are designed to assist in global risk mitigation by providing a general seismic hazard framework and serving as a resource for any national or regional agency to help focus further detailed studies required for regional/local needs. The largest seismic hazard values in Mexico, the Caribbean, and Central and South America generally occur in areas that have been, or are likely to be, the sites of the largest plate boundary earthquakes. High hazard values occur in areas where shallow-to-intermediate seismicity occurs frequently. ?? 2004 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Tectonophysics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.tecto.2004.03.033","issn":"00401951","usgsCitation":"Tanner, J., and Shedlock, K.M., 2004, Seismic hazard maps of Mexico, the Caribbean, and Central and South America: Tectonophysics, v. 390, no. 1-4, p. 159-175, https://doi.org/10.1016/j.tecto.2004.03.033.","startPage":"159","endPage":"175","numberOfPages":"17","costCenters":[],"links":[{"id":208374,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.tecto.2004.03.033"},{"id":234093,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"390","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8b1ce4b08c986b3175da","contributors":{"authors":[{"text":"Tanner, J.G.","contributorId":28030,"corporation":false,"usgs":true,"family":"Tanner","given":"J.G.","email":"","affiliations":[],"preferred":false,"id":410042,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shedlock, K. M.","contributorId":72805,"corporation":false,"usgs":true,"family":"Shedlock","given":"K.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":410043,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70026607,"text":"70026607 - 2004 - Modeling interpopulation dispersal by banner-tailed kangaroo rats","interactions":[],"lastModifiedDate":"2021-08-13T16:46:00.081335","indexId":"70026607","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Modeling interpopulation dispersal by banner-tailed kangaroo rats","docAbstract":"<p>Many metapopulation models assume rules of population connectivity that are implicitly based on what we know about within-population dispersal, but especially for vertebrates, few data exist to assess whether interpopulation dispersal is just within-population dispersal \"scaled up.\" We extended existing multi-stratum mark-release-recapture models to incorporate the robust design, allowing us to compare patterns of within- and between-population movement in the banner-tailed kangaroo rat (<i>Dipodomys spectabilis</i>). Movement was rare among eight populations separated by only a few hundred meters: seven years of twice-annual sampling captured &gt;1200 individuals but only 26 interpopulation dispersers. We developed a program that implemented models with parameters for capture, survival, and interpopulation movement probability and that evaluated competing hypotheses in a model selection framework. We evaluated variants of the island, stepping-stone, and isolation-by-distance models of interpopulation movement, incorporating effects of age, season, and habitat (short or tall grass). For both sexes, QAICc values clearly favored isolation-by-distance models, or models combining the effects of isolation by distance and habitat. Models with probability of dispersal expressed as linear-logistic functions of distance and as negative exponentials of distance fit the data equally well. Interpopulation movement probabilities were similar among sexes (perhaps slightly biased toward females), greater for juveniles than adults (especially for females), and greater before than during the breeding season (especially for females). These patterns resemble those previously described for within-population dispersal in this species, which we interpret as indicating that the same processes initiate both within- and between-population dispersal.</p>","language":"English","publisher":"Wiley","doi":"10.1890/03-0599","usgsCitation":"Skvarla, J., Nichols, J., Hines, J., and Waser, P., 2004, Modeling interpopulation dispersal by banner-tailed kangaroo rats: Ecology, v. 85, no. 10, p. 2737-2746, https://doi.org/10.1890/03-0599.","productDescription":"10 p.","startPage":"2737","endPage":"2746","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":234096,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"10","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5c06e4b0c8380cd6f997","contributors":{"authors":[{"text":"Skvarla, J.L.","contributorId":68935,"corporation":false,"usgs":true,"family":"Skvarla","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":410172,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":410169,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hines, J.E. 0000-0001-5478-7230","orcid":"https://orcid.org/0000-0001-5478-7230","contributorId":36885,"corporation":false,"usgs":true,"family":"Hines","given":"J.E.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":410170,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Waser, P.M.","contributorId":66454,"corporation":false,"usgs":true,"family":"Waser","given":"P.M.","affiliations":[],"preferred":false,"id":410171,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70026365,"text":"70026365 - 2004 - Annual survival estimation of migratory songbirds confounded by incomplete breeding site-fidelity: Study designs that may help","interactions":[],"lastModifiedDate":"2012-03-12T17:20:20","indexId":"70026365","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":771,"text":"Animal Biodiversity and Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Annual survival estimation of migratory songbirds confounded by incomplete breeding site-fidelity: Study designs that may help","docAbstract":"Many species of bird exhibit varying degrees of site-fidelity to the previous year's territory or breeding area, a phenomenon we refer to as incomplete breeding site-fidelity. If the territory they occupy is located beyond the bounds of the study area or search area (i.e., they have emigrated from the study area), the bird will go undetected and is therefore indistinguishable from dead individuals in capture-mark-recapture studies. Differential emigration rates confound inferences regarding differences in survival between sexes and among species if apparent survival rates are used as estimates of true survival. Moreover, the bias introduced by using apparent survival rates for true survival rates can have profound effects on the predictions of population persistence through time, source/sink dynamics, and other aspects of life-history theory. We investigated four study design and analysis approaches that result in apparent survival estimates that are closer to true survival estimates. Our motivation for this research stemmed from a multi-year capture-recapture study of Prothonotary Warblers (Protonotaria citrea) on multiple study plots within a larger landscape of suitable breeding habitat where substantial inter-annual movements of marked individuals among neighboring study plots was documented. We wished to quantify the effects of this type of movement on annual survival estimation. The first two study designs we investigated involved marking birds in a core area and resighting them in the core as well as an area surrounding the core. For the first of these two designs, we demonstrated that as the resighting area surrounding the core gets progressively larger, and more \"emigrants\" are resighted, apparent survival estimates begin to approximate true survival rates (bias < 0.01). However, given observed inter-annual movements of birds, it is likely to be logistically impractical to resight birds on sufficiently large surrounding areas to minimize bias. Therefore, as an alternative protocol, we analyzed the data with subsets of three progressively larger areas surrounding the core. The data subsets provided four estimates of apparent survival that asymptotically approached true survival. This study design and analytical approach is likely to be logistically feasible in field settings and yields estimates of true survival unbiased (bias < 0.03) by incomplete breeding site-fidelity over a range of inter-annual territory movement patterns. The third approach we investigated used a robust design data collection and analysis approach. This approach resulted in estimates of survival that were unbiased (bias < 0.02), but were very imprecise and likely would not yield reliable estimates in field situations. The fourth approach utilized a fixed study area size, but modeled detection probability as a function of bird proximity to the study plot boundary (e.g., those birds closest to the edge are more likely to emigrate). This approach also resulted in estimates of survival that were unbiased (bias < 0.02), but because the individual covariates were normalized, the average capture probability was 0.50, and thus did not provide an accurate estimate of the true capture probability. Our results show that the core-area with surrounding resight-only can provide estimates of survival that are not biased by the effects of incomplete breeding site-fidelity. ?? 2004 Museu de Cie??ncies Naturals.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Animal Biodiversity and Conservation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"1578665X","usgsCitation":"Marshall, M., Diefenbach, D., Wood, L., and Cooper, R., 2004, Annual survival estimation of migratory songbirds confounded by incomplete breeding site-fidelity: Study designs that may help: Animal Biodiversity and Conservation, v. 27, no. 1, p. 59-72.","startPage":"59","endPage":"72","numberOfPages":"14","costCenters":[],"links":[{"id":234261,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ec39e4b0c8380cd49135","contributors":{"authors":[{"text":"Marshall, M.R.","contributorId":82427,"corporation":false,"usgs":true,"family":"Marshall","given":"M.R.","email":"","affiliations":[],"preferred":false,"id":409194,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Diefenbach, Duane R. 0000-0001-5111-1147","orcid":"https://orcid.org/0000-0001-5111-1147","contributorId":106592,"corporation":false,"usgs":true,"family":"Diefenbach","given":"Duane R.","affiliations":[],"preferred":false,"id":409196,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wood, L.A.","contributorId":10785,"corporation":false,"usgs":true,"family":"Wood","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":409193,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cooper, R.J.","contributorId":89077,"corporation":false,"usgs":true,"family":"Cooper","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":409195,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70026963,"text":"70026963 - 2004 - Shallow-source aeromagnetic anomalies observed over the West Antarctic Ice Sheet compared with coincident bed topography from radar ice sounding - New evidence for glacial \"removal\" of subglacially erupted late Cenozoic rift-related volcanic edifices","interactions":[],"lastModifiedDate":"2012-03-12T17:20:35","indexId":"70026963","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Shallow-source aeromagnetic anomalies observed over the West Antarctic Ice Sheet compared with coincident bed topography from radar ice sounding - New evidence for glacial \"removal\" of subglacially erupted late Cenozoic rift-related volcanic edifices","docAbstract":"Aeromagnetic and radar ice sounding results from the 1991-1997 Central West Antarctica (CWA) aerogeophysical survey over part of the West Antarctic Ice Sheet (WAIS) and subglacial area of the volcanically active West Antarctic rift system have enabled detailed examination of specific anomaly sources. These anomalies, previously interpreted as caused by late Cenozoic subglacial volcanic centers, are compared to newly available glacial bed-elevation data from the radar ice sounding compilation of the entire area of the aeromagnetic survey to test this hypothesis in detail. We examined about 1000 shallow-source magnetic anomalies for bedrock topographic expression. Using very conservative criteria, we found over 400 specific anomalies which correlate with bed topography directly beneath each anomaly. We interpret these anomalies as indicative of the relative abundance of volcanic anomalies having shallow magnetic sources. Of course, deeper source magnetic anomalies are present, but these have longer wavelengths, lower gradients and mostly lower amplitudes from those caused by the highly magnetic late Cenozoic volcanic centers. The great bulk of these >400 (40-1200-nT) anomaly sources at the base of the ice have low bed relief (60-600 m, with about 80%<200 m). We interpret this relief as an indication of residual topography after glacial removal of volcanic edifices comprising hyaloclastite, pillow breccia and other volcanic debris erupted into the moving ice during volcanism since the initiation of the WAIS >10 million years ago. Eighteen of the anomalies examined, about half concentrated in the area of the WAIS divide, have high-topographic expression (as great as 400 m above sea level) and high bed relief (up to 1500 m). All of these high-topography anomaly sources at the base of the ice would isostatically rebound to elevations above sea level were the ice removed. We interpret these 18 anomaly sources as evidence of subaerial eruption of volcanoes whose topography was protected from erosion by competent volcanic flows similar to prominent volcanic peaks that are exposed above the surface of the WAIS. Further, we infer these volcanoes as possibly erupted at a time when the WAIS was absent. In contrast, at the other extreme, there are a number of shallow-source, volcanic appearing magnetic anomalies overlying the very smooth bed topography in the survey area beneath Ice Stream D (Bindshadler Ice Stream); the glacial bed probably comprises a very thin layer of unconsolidated sediments (till). Probably, the volcanic edifices here were removed at a more rapid rate because of fast glacial flow. A few of the very shallow-source \"volcanic\" anomalies overlie the ice shelf just downstream of the grounding line of Ice Stream D, suggesting a causal relationship, if the volcanism is recent. ?? 2004 Elsevier B.V. All rights reserved.","largerWorkTitle":"Global and Planetary Change","language":"English","doi":"10.1016/j.gloplacha.2003.10.006","issn":"09218181","usgsCitation":"Behrendt, J.C., Blankenship, D.D., Morse, D.L., and Bell, R., 2004, Shallow-source aeromagnetic anomalies observed over the West Antarctic Ice Sheet compared with coincident bed topography from radar ice sounding - New evidence for glacial \"removal\" of subglacially erupted late Cenozoic rift-related volcanic edifices, <i>in</i> Global and Planetary Change, v. 42, no. 1-4, p. 177-193, https://doi.org/10.1016/j.gloplacha.2003.10.006.","startPage":"177","endPage":"193","numberOfPages":"17","costCenters":[],"links":[{"id":235252,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209063,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.gloplacha.2003.10.006"}],"volume":"42","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8e47e4b08c986b318844","contributors":{"authors":[{"text":"Behrendt, John C. jbehrendt@usgs.gov","contributorId":25945,"corporation":false,"usgs":true,"family":"Behrendt","given":"John","email":"jbehrendt@usgs.gov","middleInitial":"C.","affiliations":[{"id":213,"text":"Crustal Imaging and Characterization Team","active":false,"usgs":true},{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":false,"id":411803,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Blankenship, D. D.","contributorId":29012,"corporation":false,"usgs":false,"family":"Blankenship","given":"D.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":411805,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morse, D. L.","contributorId":28024,"corporation":false,"usgs":false,"family":"Morse","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":411804,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bell, R.E.","contributorId":70010,"corporation":false,"usgs":true,"family":"Bell","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":411806,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":1008248,"text":"1008248 - 2004 - The role of fire and fire management in the invasion of nonnative plants","interactions":[],"lastModifiedDate":"2016-09-28T11:28:50","indexId":"1008248","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3014,"text":"Park Science","active":true,"publicationSubtype":{"id":10}},"title":"The role of fire and fire management in the invasion of nonnative plants","docAbstract":"Spacecraft imagery, especially from the National Atmospheric and Oceanic Administration's Improved TIROS (Television Infra-Red Observational Satellite) Operational Satellites, permits timely evaluations of snow and ice conditions encountered by arctic nesting geese.  Imagery from the TIROS satellite for 5 wide]y scattered locations in arctic North America was obtained for three 3-day intervals in June 1973 and 1974.  These pictures were used to expand fragmentary habitat data available from ground observations.  Late disappearance of snow and ice may prevent or retard nesting effort and reproductive success.  Our immediate aim is to recognize years of catastrophic or very good production; however, supporting information from ground studies, LANDSAT imagery, analyses of banding data, and studies of age ratios in popu]ations and harvests eventua]]y may permit assessment of relative reproductive success.  Satellite images from both Multi-Spectral Scanner and Very High Resolution Radiomder sensors were first used as management tools for consideration in setting the U.S. and Canadian regulations for the 1975-76 goose hunting season.  Preliminary age ratio data from field observations and harvests substantiated the prediction of good production during the 1975 breeding season.","language":"English","publisher":"U.S. Department of the Interior, National Park Service","usgsCitation":"Merriam, K.E., McGinnis, T.W., and Keeley, J.E., 2004, The role of fire and fire management in the invasion of nonnative plants: Park Science, v. 22, no. 2, p. 32-36, 52.","productDescription":"6 p.","startPage":"32","endPage":"36, 52","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":131465,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":329066,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://www.nature.nps.gov/ParkScience/archive/PDF/ParkScience22(2)Fall2004.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"22","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6fe4b07f02db640e7e","contributors":{"authors":[{"text":"Merriam, Kyle E.","contributorId":82801,"corporation":false,"usgs":true,"family":"Merriam","given":"Kyle","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":317143,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McGinnis, Thomas W.","contributorId":87272,"corporation":false,"usgs":true,"family":"McGinnis","given":"Thomas","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":317142,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Keeley, Jon E. 0000-0002-4564-6521 jon_keeley@usgs.gov","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":1268,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon","email":"jon_keeley@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":317144,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026612,"text":"70026612 - 2004 - Emplacement mechanisms of the South Kona slide complex, Hawaii Island: Sampling and observations by remotely operated vehicle Kaiko","interactions":[],"lastModifiedDate":"2012-03-12T17:20:38","indexId":"70026612","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1109,"text":"Bulletin of Volcanology","active":true,"publicationSubtype":{"id":10}},"title":"Emplacement mechanisms of the South Kona slide complex, Hawaii Island: Sampling and observations by remotely operated vehicle Kaiko","docAbstract":"Emplacement of a giant submarine slide complex, offshore of South Kona, Hawaii Island, was investigated in 2001 by visual observation and in-situ sampling on the bench scarp and a megablock, during two dives utilizing the Remotely Operated Vehicle (ROV) Kaiko and its mother ship R/V Kairei. Topography of the bench scarp and megablocks were defined in 3-D perspective, using high-resolution digital bathymetric data acquired during the cruise. Compositions of 34 rock samples provide constraints on the landslide source regions and emplacement mechanisms. The bench scarp consists mainly of highly fractured, vesiculated, and oxidized a-a lavas that slumped from the subaerial flank of ancestral Mauna Loa. The megablock contains three units: block facies, matrix facies, and draped sediment. The block facies contains hyaloclastite interbedded with massive lava, which slid from the shallow submarine flank of ancestral Mauna Loa, as indicated by glassy groundmass of the hyaloclastite, low oxidation state, and low sulfur content. The matrix facies, which directly overlies the block facies and is similar to a lahar deposit, is thought to have been deposited from the water column immediately after the South Kona slide event. The draped sediment is a thin high-density turbidite layer that may be a distal facies of the Alika-2 debris-avalanche deposit; its composition overlaps with rocks from subaerial Mauna Loa. The deposits generated by the South Kona slide vary from debris avalanche deposit to turbidite. Spatial distribution of the deposits is consistent with deposits related to large landslides adjacent to other Hawaiian volcanoes and the Canary Islands. ?? Springer-Verlag 2004.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of Volcanology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00445-004-0339-9","issn":"02588900","usgsCitation":"Yokose, H., and Lipman, P.W., 2004, Emplacement mechanisms of the South Kona slide complex, Hawaii Island: Sampling and observations by remotely operated vehicle Kaiko: Bulletin of Volcanology, v. 66, no. 7, p. 569-584, https://doi.org/10.1007/s00445-004-0339-9.","startPage":"569","endPage":"584","numberOfPages":"16","costCenters":[],"links":[{"id":208431,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00445-004-0339-9"},{"id":234172,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"66","issue":"7","noUsgsAuthors":false,"publicationDate":"2004-04-20","publicationStatus":"PW","scienceBaseUri":"505a0912e4b0c8380cd51db7","contributors":{"authors":[{"text":"Yokose, H.","contributorId":75308,"corporation":false,"usgs":true,"family":"Yokose","given":"H.","affiliations":[],"preferred":false,"id":410188,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lipman, P. W.","contributorId":93470,"corporation":false,"usgs":true,"family":"Lipman","given":"P.","middleInitial":"W.","affiliations":[],"preferred":false,"id":410189,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70035235,"text":"70035235 - 2004 - Effect of temporal resolution on the accuracy of ADCP measurements","interactions":[],"lastModifiedDate":"2012-03-12T17:21:54","indexId":"70035235","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Effect of temporal resolution on the accuracy of ADCP measurements","docAbstract":"The application of acoustic Doppler current profilers (ADCP's) in river flow measurements is promoting a great deal of progress in hydrometry. ADCP's not only require shorter times to collect data than traditional current meters, but also allow streamflow measurements at sites where the use of conventional meters is either very expensive, unsafe, or simply not possible. Moreover, ADCP's seem to offer a means for collecting flow data with spatial and temporal resolutions that cannot be achieved with traditional current-meters. High-resolution data is essential to characterize the mean flow and turbulence structure of streams, which can in turn lead to a better understanding of the hydrodynamic and transport processes in rivers. However, to properly characterize the mean flow and turbulence intensities of stationary flows in natural turbulent boundary layers, velocities need to be sampled over a long-enough time span. The question then arises, how long should velocities be sampled in the flow field to achieve an adequate temporal resolution? Theoretically, since velocities cannot be sampled over an infinitely long time interval, the error due to finite integration time must be considered. This error can be estimated using the integral time scale. The integral time scale is not only a measure of the time interval over which a fluctuating function is correlated with itself but also a measure of the time span over which the function is dependent on itself. This time scale, however, is not a constant but varies spatially in the flow field. In this paper we present an analysis of the effect of the temporal resolution (sampling time span) on the accuracy of ADCP measurements based on the integral time scale. Single ping velocity profiles collected with frequencies of 1 Hz in the Chicago River at Columbus Drive using an uplooking 600 kHz ADCP are used in this analysis. The integral time scale at different depths is estimated based on the autocorrelation function of the velocity fluctuations and is used to evaluate the mean-square error as a function of the integration time. The implications of these errors in typical ADCP measurements for discharge estimates in natural streams are discussed. Copyright ASCE 2004.","largerWorkTitle":"Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000: Building Partnerships","conferenceTitle":"Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000","conferenceDate":"30 July 2000 through 2 August 2000","conferenceLocation":"Minneapolis, MN","language":"English","doi":"10.1061/40517(2000)308","isbn":"0784405174; 9780784405178","usgsCitation":"Gonzalez-Castro, J.A., Oberg, K., and Duncker, J., 2004, Effect of temporal resolution on the accuracy of ADCP measurements, <i>in</i> Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000: Building Partnerships, v. 104, Minneapolis, MN, 30 July 2000 through 2 August 2000, https://doi.org/10.1061/40517(2000)308.","costCenters":[],"links":[{"id":478073,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.598.4783","text":"External Repository"},{"id":215215,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40517(2000)308"},{"id":243002,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"104","noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"505a0613e4b0c8380cd510f3","contributors":{"authors":[{"text":"Gonzalez-Castro, J. A.","contributorId":96885,"corporation":false,"usgs":true,"family":"Gonzalez-Castro","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":449847,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Oberg, K.","contributorId":60376,"corporation":false,"usgs":true,"family":"Oberg","given":"K.","affiliations":[],"preferred":false,"id":449845,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Duncker, James J.","contributorId":62620,"corporation":false,"usgs":true,"family":"Duncker","given":"James J.","affiliations":[],"preferred":false,"id":449846,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026614,"text":"70026614 - 2004 - Mortality sensitivity in life-stage simulation analysis: A case study of southern sea otters","interactions":[],"lastModifiedDate":"2021-08-11T17:14:17.977185","indexId":"70026614","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Mortality sensitivity in life-stage simulation analysis: A case study of southern sea otters","docAbstract":"<p>Currently, there are no generally recognized approaches for linking detailed mortality and pathology data to population-level analyses of extinction risk. We used a combination of analytical and simulation-based analyses to examine 20 years of age- and sex-specific mortality data for southern sea otters (<i>Enhydra lutris</i>), and we applied results to project the efficacy of alternative conservation strategies. Population recovery of the southern sea otter has been slow (rate of population <span>increase λ = 1.05)</span> compared to other recovering populations (<span>λ = 1.17–1.20</span>), and the population declined (<span>λ = 0.975</span>) between 1995 and 1999. Age-based Leslie matrices were developed to explore explanations for the slow recovery and recent decline in the southern sea other population. An elasticity analysis was performed to predict effects of proportional changes in stage-specific reproductive or survival rates on the rate of population increase. A life-stage simulation analysis (LSA) was developed to evaluate the impact of changing age- and cause-specific mortality rates on <span>λ</span>. The information used to develop these models was derived from death assemblage, pathology, and live population census data to examine the sensitivity of sea otter population growth to different sources of mortality (e.g., disease and starvation, direct human take [fisheries, gun shot, boat strike, oil pollution], mating trauma and intraspecific aggression, shark bites, and unknown). We used resampling simulations to generate random combinations of vital rates for a large number of matrix replicates and drew on these to estimate potential effects of mortality sources on population growth (<span>λ</span>). Our analyses suggest management actions that are likely and unlikely to promote recovery of the southern sea otter and more broadly indicate a methodology to better utilize cause-of-death data in conservation decision-making.</p>","language":"English","publisher":"Wiley","doi":"10.1890/03-5006","usgsCitation":"Gerber, L., Tinker, M.T., Doak, D., Estes, J.A., and Jessup, D.A., 2004, Mortality sensitivity in life-stage simulation analysis: A case study of southern sea otters: Ecological Applications, v. 14, no. 5, p. 1554-1565, https://doi.org/10.1890/03-5006.","productDescription":"12 p.","startPage":"1554","endPage":"1565","costCenters":[{"id":586,"text":"Tinker & Estes Lab and Santa Cruz Field Station","active":false,"usgs":true}],"links":[{"id":234207,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5e81e4b0c8380cd70aa7","contributors":{"authors":[{"text":"Gerber, L.R.","contributorId":33097,"corporation":false,"usgs":true,"family":"Gerber","given":"L.R.","email":"","affiliations":[],"preferred":false,"id":410196,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tinker, M. T. 0000-0002-3314-839X","orcid":"https://orcid.org/0000-0002-3314-839X","contributorId":54152,"corporation":false,"usgs":false,"family":"Tinker","given":"M.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":410199,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Doak, D.F.","contributorId":39729,"corporation":false,"usgs":true,"family":"Doak","given":"D.F.","email":"","affiliations":[],"preferred":false,"id":410197,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Estes, J. A.","contributorId":53319,"corporation":false,"usgs":true,"family":"Estes","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":410198,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jessup, David A.","contributorId":96226,"corporation":false,"usgs":false,"family":"Jessup","given":"David","email":"","middleInitial":"A.","affiliations":[{"id":6952,"text":"California Department of Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":410200,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":1008240,"text":"1008240 - 2004 - Comparison of AVIRIS and Landsat ETM+ detection capabilities for burn severity","interactions":[],"lastModifiedDate":"2016-09-26T16:04:15","indexId":"1008240","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3254,"text":"Remote Sensing of Environment","printIssn":"0034-4257","active":true,"publicationSubtype":{"id":10}},"title":"Comparison of AVIRIS and Landsat ETM+ detection capabilities for burn severity","docAbstract":"<p><span>Our study compares data on burn severity collected from multi-temporal Airborne Visible and Infrared Imaging Spectrometer (AVIRIS) with similar data from the Enhanced Thematic Mapper Plus (ETM+) using the differenced Normalized Burn Ratio (dNBR). Two AVIRIS and ETM+ data acquisitions recorded surface conditions immediately before the Hoover Fire began to spread rapidly and again the following year. Data were validated with 63 field plots using the Composite Burn Index (CBI). The relationship between spectral channels and burn severity was examined by comparing pre- and post-fire datasets. Based on the high burn severity comparison, AVIRIS channels 47 and 60 at wavelengths of 788 and 913 nm showed the greatest negative response to fire. Post-fire reflectance values decreased the most on average at those wavelengths, while channel 210 at 2370 nm showed the greatest positive response on average. Fire increased reflectance the most at that wavelength over the entire measured spectral range. Furthermore, channel 210 at 2370 nm exhibited the greatest variation in spectral response, suggesting potentially high information content for fire severity. Based on general remote sensing principles and the logic of variable spectral responses to fire, dNBR from both sensors should produce useful results in quantifying burn severity. The results verify the band–response relationships to burn severity as seen with ETM+ data and confirm the relationships by way of a distinctly different sensor system.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.rse.2003.12.015","usgsCitation":"Van Wagtendonk, J.W., Root, R.R., and Key, C.H., 2004, Comparison of AVIRIS and Landsat ETM+ detection capabilities for burn severity: Remote Sensing of Environment, v. 92, no. 3, p. 397-408, https://doi.org/10.1016/j.rse.2003.12.015.","productDescription":"12 p.","startPage":"397","endPage":"408","numberOfPages":"12","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":132209,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"92","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b24e4b07f02db6ae429","contributors":{"authors":[{"text":"Van Wagtendonk, Jan W. jan_van_wagtendonk@usgs.gov","contributorId":2648,"corporation":false,"usgs":true,"family":"Van Wagtendonk","given":"Jan","email":"jan_van_wagtendonk@usgs.gov","middleInitial":"W.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":317122,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Root, Ralph R.","contributorId":174937,"corporation":false,"usgs":false,"family":"Root","given":"Ralph","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":317123,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Key, Carl H. carl_key@usgs.gov","contributorId":4138,"corporation":false,"usgs":true,"family":"Key","given":"Carl","email":"carl_key@usgs.gov","middleInitial":"H.","affiliations":[],"preferred":true,"id":317121,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026663,"text":"70026663 - 2004 - Elevation and stream-size thresholds affect distributions of native and exotic warmwater fishes in Wyoming","interactions":[],"lastModifiedDate":"2021-09-03T16:10:26.977484","indexId":"70026663","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","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":"Elevation and stream-size thresholds affect distributions of native and exotic warmwater fishes in Wyoming","docAbstract":"<p>This study was conducted to assess the influence of elevation and stream width on the occurrence of 28 native and six exotic fish species using data collected (1954-2003) from 1,114 stream reaches in Wyoming. Medians and ranges of elevation and stream width were used to assess how elevation and stream width influenced the occurrence of individual species and to indicate which species had large and small ranges of distribution. Twenty-four species were common at elevations below 1,550 m and 31 species occurred in streams less than 20 m wide. The six exotic species had the potential to overlap all of the native species with regard to both elevation and stream width. In general, species that were collected over a wide range of elevations were also collected over a wide range of stream widths. Red shiner (<i>Cyprinella lutrensis</i>) and river carpsucker (<i>Carpiodes carpio</i>) occurred over the smallest elevation ranges (&lt; 250 m), whereas longnose sucker (<i>Catostomus catostomus</i>) was sampled over the greatest elevation ranges (&gt; 2,500 m). Longnose sucker and white sucker (<i>Catostomus commersoni</i>) occurred over the greatest ranges in stream widths (&gt; 90 m), and brook stickleback (<i>Culaea inconstans</i>), black bullhead (<i>Ameiurus melas</i>), and quillback (<i>Carpiodes cyprinus</i>) were found over the lowest ranges in stream widths (&lt; 12 m). The distributions of native and exotic species in streams that transition from the Rocky Mountains to the Great Plains were largely explained by elevation and stream width.</p>","language":"English","publisher":"Taylor & Francis Online","doi":"10.1080/02705060.2004.9664536","usgsCitation":"Quist, M., Hubert, W., and Rahel, F., 2004, Elevation and stream-size thresholds affect distributions of native and exotic warmwater fishes in Wyoming: Journal of Freshwater Ecology, v. 19, no. 2, p. 227-236, https://doi.org/10.1080/02705060.2004.9664536.","productDescription":"10 p.","startPage":"227","endPage":"236","costCenters":[{"id":342,"text":"Idaho Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true},{"id":683,"text":"Wyoming Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true}],"links":[{"id":234387,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wyoming","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-110.048476,40.997555],[-110.121639,40.997101],[-110.125709,40.99655],[-110.237848,40.995427],[-110.250709,40.996089],[-110.375714,40.994947],[-110.500718,40.994746],[-110.539819,40.996346],[-110.715026,40.996347],[-110.750727,40.996847],[-111.046723,40.997959],[-111.046551,41.251716],[-111.0466,41.360692],[-111.046264,41.377731],[-111.045789,41.565571],[-111.045818,41.579845],[-111.046689,42.001567],[-111.047109,42.142497],[-111.047107,42.148971],[-111.047058,42.182672],[-111.047097,42.194773],[-111.047074,42.280787],[-111.04708,42.34942],[-111.046801,42.504946],[-111.046719,42.513118],[-111.046017,42.582723],[-111.043564,42.722624],[-111.044135,42.874924],[-111.043959,42.96445],[-111.043957,42.969482],[-111.043924,42.975063],[-111.044129,43.018702],[-111.044156,43.020052],[-111.044206,43.022614],[-111.044034,43.024581],[-111.044034,43.024844],[-111.044033,43.026411],[-111.044094,43.02927],[-111.043997,43.041415],[-111.044058,43.04464],[-111.044063,43.046302],[-111.044086,43.054819],[-111.044117,43.060309],[-111.04415,43.066172],[-111.044162,43.068222],[-111.044143,43.072364],[-111.044235,43.177121],[-111.044266,43.177236],[-111.044232,43.18444],[-111.044168,43.189244],[-111.044229,43.195579],[-111.044617,43.31572],[-111.045205,43.501136],[-111.045706,43.659112],[-111.04588,43.681033],[-111.046118,43.684902],[-111.046051,43.685812],[-111.04611,43.687848],[-111.046421,43.722059],[-111.046435,43.726545],[-111.04634,43.726957],[-111.046715,43.815832],[-111.046515,43.908376],[-111.046917,43.974978],[-111.047064,43.983467],[-111.047349,43.999921],[-111.049077,44.020072],[-111.048751,44.060403],[-111.048751,44.060838],[-111.048633,44.062903],[-111.048452,44.114831],[-111.049119,44.124923],[-111.049695,44.353626],[-111.049148,44.374925],[-111.049216,44.435811],[-111.049194,44.438058],[-111.048974,44.474072],[-111.055208,44.624927],[-111.055333,44.666263],[-111.055511,44.725343],[-111.056416,44.749928],[-111.056888,44.866658],[-111.055629,44.933578],[-111.056207,44.935901],[-111.055199,45.001321],[-111.044275,45.001345],[-110.785008,45.002952],[-110.761554,44.999934],[-110.750767,44.997948],[-110.705272,44.992324],[-110.552433,44.992237],[-110.547165,44.992459],[-110.48807,44.992361],[-110.402927,44.99381],[-110.362698,45.000593],[-110.342131,44.999053],[-110.324441,44.999156],[-110.28677,44.99685],[-110.199503,44.996188],[-110.110103,45.003905],[-110.026347,45.003665],[-110.025544,45.003602],[-109.99505,45.003174],[-109.875735,45.003275],[-109.798687,45.002188],[-109.75073,45.001605],[-109.663673,45.002536],[-109.574321,45.002631],[-109.386432,45.004887],[-109.375713,45.00461],[-109.269294,45.005283],[-109.263431,45.005345],[-109.103445,45.005904],[-109.08301,44.99961],[-109.062262,44.999623],[-108.621313,45.000408],[-108.578484,45.000484],[-108.565921,45.000578],[-108.500679,44.999691],[-108.271201,45.000251],[-108.249345,44.999458],[-108.238139,45.000206],[-108.218479,45.000541],[-108.14939,45.001062],[-108.000663,45.001223],[-107.997353,45.001565],[-107.911743,45.001292],[-107.750654,45.000778],[-107.608854,45.00086],[-107.607824,45.000929],[-107.49205,45.00148],[-107.351441,45.001407],[-107.13418,45.000109],[-107.125633,44.999388],[-107.105685,44.998734],[-107.084939,44.996599],[-107.074996,44.997004],[-107.050801,44.996424],[-106.892875,44.995947],[-106.888773,44.995885],[-106.263586,44.993788],[-106.024814,44.993688],[-105.928184,44.993647],[-105.914258,44.999986],[-105.913382,45.000941],[-105.848065,45.000396],[-105.076607,45.000347],[-105.038405,45.000345],[-105.025266,45.00029],[-105.019284,45.000329],[-105.01824,45.000437],[-104.765063,44.999183],[-104.759855,44.999066],[-104.72637,44.999518],[-104.665171,44.998618],[-104.663882,44.998869],[-104.470422,44.998453],[-104.470117,44.998453],[-104.250145,44.99822],[-104.057698,44.997431],[-104.055914,44.874986],[-104.056496,44.867034],[-104.055963,44.768236],[-104.055963,44.767962],[-104.055934,44.72372],[-104.05587,44.723422],[-104.055777,44.700466],[-104.055938,44.693881],[-104.05581,44.691343],[-104.055877,44.571016],[-104.055892,44.543341],[-104.055927,44.51773],[-104.055389,44.249983],[-104.054487,44.180381],[-104.054562,44.141081],[-104.05495,43.93809],[-104.055077,43.936535],[-104.055488,43.853477],[-104.055488,43.853476],[-104.055138,43.750421],[-104.055133,43.747105],[-104.054902,43.583852],[-104.054885,43.583512],[-104.05484,43.579368],[-104.055032,43.558603],[-104.054787,43.503328],[-104.054786,43.503072],[-104.054779,43.477815],[-104.054766,43.428914],[-104.054614,43.390949],[-104.054403,43.325914],[-104.054218,43.30437],[-104.053884,43.297047],[-104.053876,43.289801],[-104.053127,43.000585],[-104.052863,42.754569],[-104.052809,42.749966],[-104.052583,42.650062],[-104.052741,42.633982],[-104.052586,42.630917],[-104.052773,42.611766],[-104.052775,42.61159],[-104.052775,42.610813],[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 \"}}]}","volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a08cbe4b0c8380cd51c92","contributors":{"authors":[{"text":"Quist, M.C. 0000-0001-8268-1839","orcid":"https://orcid.org/0000-0001-8268-1839","contributorId":62805,"corporation":false,"usgs":true,"family":"Quist","given":"M.C.","affiliations":[],"preferred":false,"id":410401,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hubert, W.A.","contributorId":12822,"corporation":false,"usgs":true,"family":"Hubert","given":"W.A.","email":"","affiliations":[],"preferred":false,"id":410400,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rahel, F.J.","contributorId":82037,"corporation":false,"usgs":true,"family":"Rahel","given":"F.J.","affiliations":[],"preferred":false,"id":410402,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70027088,"text":"70027088 - 2004 - Some statistical relationships between stream sediment and soil geochemistry in northwestern Wisconsin - can stream sediment compositions be used to predict compositions of soils in glaciated terranes?","interactions":[],"lastModifiedDate":"2012-03-12T17:20:30","indexId":"70027088","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2302,"text":"Journal of Geochemical Exploration","active":true,"publicationSubtype":{"id":10}},"title":"Some statistical relationships between stream sediment and soil geochemistry in northwestern Wisconsin - can stream sediment compositions be used to predict compositions of soils in glaciated terranes?","docAbstract":"Mean stream sediment chemical compositions from northwestern Wisconsin in the north central United States, based on more than 800 samples, differ significantly from mean A-horizon and C-horizon soil compositions, based on about 380 samples of each horizon. Differences by a factor greater than 1.5 exist for some elements (Ca, Mn, Mg, P, Ti, Ni, Pb, Se, Zn). A very large database of stream sediment geochemistry exists for the region (more than 2200 samples) and for the U.S. (roughly 400,000 samples), whereas data on the chemistry of soils is much sparser both regionally and nationally. Therefore, we have attempted to quantify trends in compositional differences between stream sediments and nearby soils to test whether the abundant stream sediment data can be used to predict soil compositions. A simple computational technique of adjusting the stream sediment compositions according to the ratio of means of soils and stream sediments was conducted. A variety of techniques of correction and interpolation of data were tested and indicate that repetitive testing of results allows an optimum correction to be achieved. Predicted soil compositions compared to analytically determined soil compositions show a range of results from relatively good correspondence for some elements to rather poor correspondence for others. In general, predictions are best at midranges of compositions. The technique does not predict well more extreme or anomalous values. Thus, this technique appears to be useful for estimating background soil compositions and delineating regional compositional trends in soils in situations where large amounts of stream sediment analyses and smaller amounts of soil analyses are available. The technique also provides probabilistic qualifications on the expected error between predicted and actual soil compositions so that individual users can judge if the technique provides data of sufficient accuracy for specific needs. ?? 2003 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geochemical Exploration","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/S0375-6742(03)00211-5","issn":"03756742","usgsCitation":"Cannon, W., Woodruff, L.G., and Pimley, S., 2004, Some statistical relationships between stream sediment and soil geochemistry in northwestern Wisconsin - can stream sediment compositions be used to predict compositions of soils in glaciated terranes?: Journal of Geochemical Exploration, v. 81, no. 1-3, p. 29-46, https://doi.org/10.1016/S0375-6742(03)00211-5.","startPage":"29","endPage":"46","numberOfPages":"18","costCenters":[],"links":[{"id":209270,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/S0375-6742(03)00211-5"},{"id":235554,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"81","issue":"1-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b92eae4b08c986b31a1a9","contributors":{"authors":[{"text":"Cannon, W.F. 0000-0002-2699-8118","orcid":"https://orcid.org/0000-0002-2699-8118","contributorId":70382,"corporation":false,"usgs":true,"family":"Cannon","given":"W.F.","affiliations":[],"preferred":false,"id":412308,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Woodruff, L. G.","contributorId":46999,"corporation":false,"usgs":true,"family":"Woodruff","given":"L.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":412306,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pimley, S.","contributorId":62389,"corporation":false,"usgs":true,"family":"Pimley","given":"S.","email":"","affiliations":[],"preferred":false,"id":412307,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":1015238,"text":"1015238 - 2004 - When should Mayfield model data be discarded?","interactions":[],"lastModifiedDate":"2017-12-28T09:51:54","indexId":"1015238","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3783,"text":"The Wilson Bulletin","printIssn":"0043-5643","active":true,"publicationSubtype":{"id":10}},"title":"When should Mayfield model data be discarded?","docAbstract":"<p>Much confusion exists over the proper way to handle nest-fate data collected after the fledge date when using the Mayfield method. I provide a simple numerical example showing how use of these data can bias estimates of daily survival probability, and present a likelihood function demonstrating that nest-fate data collected after the fledge date do not contribute any information for parameter estimation, except in a seldom-realized special case. Consequently, it is recommended that under the Mayfield model, nest-fate data collected after the fledge date be discarded.</p>","language":"English","publisher":"The Wilson Ornithological Society","doi":"10.1676/04-042","usgsCitation":"Stanley, T., 2004, When should Mayfield model data be discarded?: The Wilson Bulletin, v. 116, no. 3, p. 267-269, https://doi.org/10.1676/04-042.","productDescription":"3 p.","startPage":"267","endPage":"269","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":132545,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"116","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f4e4b07f02db5f065a","contributors":{"authors":[{"text":"Stanley, T.R.","contributorId":61379,"corporation":false,"usgs":true,"family":"Stanley","given":"T.R.","affiliations":[],"preferred":false,"id":322637,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70026966,"text":"70026966 - 2004 - Dome growth behavior at Soufriere Hills Volcano, Montserrat, revealed by relocation of volcanic event swarms, 1995-1996","interactions":[],"lastModifiedDate":"2012-03-12T17:20:35","indexId":"70026966","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2499,"text":"Journal of Volcanology and Geothermal Research","active":true,"publicationSubtype":{"id":10}},"title":"Dome growth behavior at Soufriere Hills Volcano, Montserrat, revealed by relocation of volcanic event swarms, 1995-1996","docAbstract":"We have relocated a subset of events from the digital waveform catalogue of ???17,000 volcanic microearthquakes recorded between July 1995 and February 1996 at Soufriere Hills Volcano (SHV), Montserrat, using a cross-correlation-based phase repicking technique with a joint location method. Hypocenters were estimated for 3914 earthquakes having five or more corrected P-wave picks. The seismic source region collapsed to a volume of ???1 km3 from an initial ???100 km3. Relocated events represent 36 swarms, each containing nearly identical waveforms, having source dimensions of 10 to 100 m in diameter and spatial separations on the order of 500 m or less. Each swarm occurred over a span of several hours to a few days.Triggered data appear to miss between 65% and 98% of the events that occur within these swarms, based on review of helicorder records. Visual estimates of summit dome growth show a rough correspondence between episodes of intense swarming and increases in extruded magma, although dome observations are too sparse to make a direct comparison for this time period. The limited depth range over which dome-growth-related events occur is consistent with a dynamic model of cyclic plug extrusion behavior in the shallow conduit, governed by magma supply rate, overpressure buildup and physical properties of the magma and conduit geometry. Seismic sources may occur in locally overpressured regions that result from microlite formation in a zone of rapid decompression; we propose that this zone exists in the vicinity of a detachment plane associated with the cyclic plug extrusion. ?? 2004 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Volcanology and Geothermal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.jvolgeores.2004.01.008","issn":"03770273","usgsCitation":"Rowe, C., Thurber, C., and White, R., 2004, Dome growth behavior at Soufriere Hills Volcano, Montserrat, revealed by relocation of volcanic event swarms, 1995-1996: Journal of Volcanology and Geothermal Research, v. 134, no. 3, p. 199-221, https://doi.org/10.1016/j.jvolgeores.2004.01.008.","startPage":"199","endPage":"221","numberOfPages":"23","costCenters":[],"links":[{"id":235286,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209093,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jvolgeores.2004.01.008"}],"volume":"134","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a03a1e4b0c8380cd5059d","contributors":{"authors":[{"text":"Rowe, C.A.","contributorId":71741,"corporation":false,"usgs":true,"family":"Rowe","given":"C.A.","email":"","affiliations":[],"preferred":false,"id":411816,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thurber, C.H.","contributorId":28617,"corporation":false,"usgs":true,"family":"Thurber","given":"C.H.","email":"","affiliations":[],"preferred":false,"id":411815,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"White, R.A.","contributorId":21953,"corporation":false,"usgs":true,"family":"White","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":411814,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026997,"text":"70026997 - 2004 - Three-dimensional distribution of gas hydrate beneath southern Hydrate Ridge: Constraints from ODP Leg 204","interactions":[],"lastModifiedDate":"2012-03-12T17:20:31","indexId":"70026997","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Three-dimensional distribution of gas hydrate beneath southern Hydrate Ridge: Constraints from ODP Leg 204","docAbstract":"Large uncertainties about the energy resource potential and role in global climate change of gas hydrates result from uncertainty about how much hydrate is contained in marine sediments. During Leg 204 of the Ocean Drilling Program (ODP) to the accretionary complex of the Cascadia subduction zone, we sampled the gas hydrate stability zone (GHSZ) from the seafloor to its base in contrasting geological settings defined by a 3D seismic survey. By integrating results from different methods, including several new techniques developed for Leg 204, we overcome the problem of spatial under-sampling inherent in robust methods traditionally used for estimating the hydrate content of cores and obtain a high-resolution, quantitative estimate of the total amount and spatial variability of gas hydrate in this structural system. We conclude that high gas hydrate content (30-40% of pore space or 20-26% of total volume) is restricted to the upper tens of meters below the seafloor near the summit of the structure, where vigorous fluid venting occurs. Elsewhere, the average gas hydrate content of the sediments in the gas hydrate stability zone is generally <2% of the pore space, although this estimate may increase by a factor of 2 when patchy zones of locally higher gas hydrate content are included in the calculation. These patchy zones are structurally and stratigraphically controlled, contain up to 20% hydrate in the pore space when averaged over zones ???10 m thick, and may occur in up to ???20% of the region imaged by 3D seismic data. This heterogeneous gas hydrate distribution is an important constraint on models of gas hydrate formation in marine sediments and the response of the sediments to tectonic and environmental change. ?? 2004 Published by Elsevier B.V.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Earth and Planetary Science Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.epsl.2004.03.035","issn":"0012821X","usgsCitation":"Trehu, A., Long, P., Torres, M., Bohrmann, G., Rack, F., Collett, T.S., Goldberg, D., Milkov, A., Riedel, M., Schultheiss, P., Bangs, N., Barr, S.R., Borowski, W., Claypool, G., Delwiche, M., Dickens, G., Gracia, E., Guerin, G., Holland, M., Johnson, J., Lee, Y., Liu, C., Su, X., Teichert, B., Tomaru, H., Vanneste, M., Watanabe, M.E., and Weinberger, J., 2004, Three-dimensional distribution of gas hydrate beneath southern Hydrate Ridge: Constraints from ODP Leg 204: Earth and Planetary Science Letters, v. 222, no. 3-4, p. 845-862, https://doi.org/10.1016/j.epsl.2004.03.035.","startPage":"845","endPage":"862","numberOfPages":"18","costCenters":[],"links":[{"id":235187,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209020,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.epsl.2004.03.035"}],"volume":"222","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bb326e4b08c986b325bee","contributors":{"authors":[{"text":"Trehu, A.M.","contributorId":90754,"corporation":false,"usgs":true,"family":"Trehu","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":411951,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Long, P.E.","contributorId":37514,"corporation":false,"usgs":true,"family":"Long","given":"P.E.","email":"","affiliations":[],"preferred":false,"id":411935,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Torres, M.E.","contributorId":58443,"corporation":false,"usgs":true,"family":"Torres","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":411941,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bohrmann, G.","contributorId":50700,"corporation":false,"usgs":true,"family":"Bohrmann","given":"G.","email":"","affiliations":[],"preferred":false,"id":411939,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rack, F.R.","contributorId":24147,"corporation":false,"usgs":true,"family":"Rack","given":"F.R.","email":"","affiliations":[],"preferred":false,"id":411933,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Collett, T. S. 0000-0002-7598-4708","orcid":"https://orcid.org/0000-0002-7598-4708","contributorId":86342,"corporation":false,"usgs":true,"family":"Collett","given":"T.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":411949,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Goldberg, D.S.","contributorId":62001,"corporation":false,"usgs":true,"family":"Goldberg","given":"D.S.","email":"","affiliations":[],"preferred":false,"id":411942,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Milkov, A.V.","contributorId":81272,"corporation":false,"usgs":true,"family":"Milkov","given":"A.V.","affiliations":[],"preferred":false,"id":411946,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Riedel, M.","contributorId":65268,"corporation":false,"usgs":true,"family":"Riedel","given":"M.","email":"","affiliations":[],"preferred":false,"id":411943,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Schultheiss, P.","contributorId":79657,"corporation":false,"usgs":true,"family":"Schultheiss","given":"P.","affiliations":[],"preferred":false,"id":411945,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Bangs, N.L.","contributorId":17385,"corporation":false,"usgs":true,"family":"Bangs","given":"N.L.","email":"","affiliations":[],"preferred":false,"id":411932,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Barr, S. R.","contributorId":92473,"corporation":false,"usgs":false,"family":"Barr","given":"S.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":411952,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Borowski, W.S.","contributorId":39984,"corporation":false,"usgs":true,"family":"Borowski","given":"W.S.","email":"","affiliations":[],"preferred":false,"id":411936,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Claypool, George E.","contributorId":8475,"corporation":false,"usgs":true,"family":"Claypool","given":"George E.","affiliations":[],"preferred":false,"id":411926,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Delwiche, M.E.","contributorId":42003,"corporation":false,"usgs":true,"family":"Delwiche","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":411937,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Dickens, G.R.","contributorId":88101,"corporation":false,"usgs":true,"family":"Dickens","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":411950,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Gracia, E.","contributorId":85380,"corporation":false,"usgs":true,"family":"Gracia","given":"E.","email":"","affiliations":[],"preferred":false,"id":411948,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Guerin, G.","contributorId":51943,"corporation":false,"usgs":true,"family":"Guerin","given":"G.","email":"","affiliations":[],"preferred":false,"id":411940,"contributorType":{"id":1,"text":"Authors"},"rank":18},{"text":"Holland, M.","contributorId":17380,"corporation":false,"usgs":true,"family":"Holland","given":"M.","email":"","affiliations":[],"preferred":false,"id":411931,"contributorType":{"id":1,"text":"Authors"},"rank":19},{"text":"Johnson, J.E.","contributorId":44857,"corporation":false,"usgs":true,"family":"Johnson","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":411938,"contributorType":{"id":1,"text":"Authors"},"rank":20},{"text":"Lee, Y.-J.","contributorId":13793,"corporation":false,"usgs":true,"family":"Lee","given":"Y.-J.","affiliations":[],"preferred":false,"id":411929,"contributorType":{"id":1,"text":"Authors"},"rank":21},{"text":"Liu, C.-S.","contributorId":10972,"corporation":false,"usgs":true,"family":"Liu","given":"C.-S.","email":"","affiliations":[],"preferred":false,"id":411927,"contributorType":{"id":1,"text":"Authors"},"rank":22},{"text":"Su, X.","contributorId":10973,"corporation":false,"usgs":true,"family":"Su","given":"X.","email":"","affiliations":[],"preferred":false,"id":411928,"contributorType":{"id":1,"text":"Authors"},"rank":23},{"text":"Teichert, B.","contributorId":78134,"corporation":false,"usgs":true,"family":"Teichert","given":"B.","email":"","affiliations":[],"preferred":false,"id":411944,"contributorType":{"id":1,"text":"Authors"},"rank":24},{"text":"Tomaru, H.","contributorId":34305,"corporation":false,"usgs":true,"family":"Tomaru","given":"H.","email":"","affiliations":[],"preferred":false,"id":411934,"contributorType":{"id":1,"text":"Authors"},"rank":25},{"text":"Vanneste, M.","contributorId":16629,"corporation":false,"usgs":true,"family":"Vanneste","given":"M.","email":"","affiliations":[],"preferred":false,"id":411930,"contributorType":{"id":1,"text":"Authors"},"rank":26},{"text":"Watanabe, M. E.","contributorId":82264,"corporation":false,"usgs":true,"family":"Watanabe","given":"M.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":411947,"contributorType":{"id":1,"text":"Authors"},"rank":27},{"text":"Weinberger, J.L.","contributorId":95662,"corporation":false,"usgs":true,"family":"Weinberger","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":411953,"contributorType":{"id":1,"text":"Authors"},"rank":28}]}}
,{"id":70027011,"text":"70027011 - 2004 - Log Pearson type 3 quantile estimators with regional skew information and low outlier adjustments","interactions":[],"lastModifiedDate":"2018-04-02T15:01:57","indexId":"70027011","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Log Pearson type 3 quantile estimators with regional skew information and low outlier adjustments","docAbstract":"<p><span>The recently developed expected moments algorithm (EMA) [</span><span><i>Cohn et al.</i>, 1997</span><span>] does as well as maximum likelihood estimations at estimating log‐Pearson type 3 (LP3) flood quantiles using systematic and historical flood information. Needed extensions include use of a regional skewness estimator and its precision to be consistent with<span>&nbsp;</span></span><i>Bulletin 17B</i><span>. Another issue addressed by<span>&nbsp;</span></span><i>Bulletin 17B</i><span><span>&nbsp;</span>is the treatment of low outliers. A Monte Carlo study compares the performance of<span>&nbsp;</span></span><i>Bulletin 17B</i><span><span>&nbsp;</span>using the entire sample with and without regional skew with estimators that use regional skew and censor low outliers, including an extended EMA estimator, the conditional probability adjustment (CPA) from<span>&nbsp;</span></span><i>Bulletin 17B</i><span>, and an estimator that uses probability plot regression (PPR) to compute substitute values for low outliers. Estimators that neglect regional skew information do much worse than estimators that use an informative regional skewness estimator. For LP3 data the low outlier rejection procedure generally results in no loss of overall accuracy, and the differences between the MSEs of the estimators that used an informative regional skew are generally modest in the skewness range of real interest. Samples contaminated to model actual flood data demonstrate that estimators which give special treatment to low outliers significantly outperform estimators that make no such adjustment.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2003WR002697","usgsCitation":"Griffis, V., Stedinger, J.R., and Cohn, T., 2004, Log Pearson type 3 quantile estimators with regional skew information and low outlier adjustments: Water Resources Research, v. 40, no. 7, Article W07503; 17 p., https://doi.org/10.1029/2003WR002697.","productDescription":"Article W07503; 17 p.","costCenters":[],"links":[{"id":235402,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"40","issue":"7","noUsgsAuthors":false,"publicationDate":"2004-07-15","publicationStatus":"PW","scienceBaseUri":"505a493fe4b0c8380cd68466","contributors":{"authors":[{"text":"Griffis, V.W.","contributorId":29616,"corporation":false,"usgs":true,"family":"Griffis","given":"V.W.","email":"","affiliations":[],"preferred":false,"id":412010,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stedinger, Jery R.","contributorId":76198,"corporation":false,"usgs":true,"family":"Stedinger","given":"Jery","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":412012,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cohn, T.A.","contributorId":84789,"corporation":false,"usgs":true,"family":"Cohn","given":"T.A.","email":"","affiliations":[],"preferred":false,"id":412011,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026671,"text":"70026671 - 2004 - Application of deterministic deconvolution of ground-penetrating radar data in a study of carbonate strata","interactions":[],"lastModifiedDate":"2012-03-12T17:20:40","indexId":"70026671","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2165,"text":"Journal of Applied Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Application of deterministic deconvolution of ground-penetrating radar data in a study of carbonate strata","docAbstract":"We successfully applied deterministic deconvolution to real ground-penetrating radar (GPR) data by using the source wavelet that was generated in and transmitted through air as the operator. The GPR data were collected with 400-MHz antennas on a bench adjacent to a cleanly exposed quarry face. The quarry site is characterized by horizontally bedded carbonate strata with shale partings. In order to provide groundtruth for this deconvolution approach, 23 conductive rods were drilled into the quarry face at key locations. The steel rods provided critical information for: (1) correlation between reflections on GPR data and geologic features exposed in the quarry face, (2) GPR resolution limits, (3) accuracy of velocities calculated from common midpoint data and (4) identifying any multiples. Comparing the results of deconvolved data with non-deconvolved data demonstrates the effectiveness of deterministic deconvolution in low dielectric-loss media for increased accuracy of velocity models (improved at least 10-15% in our study after deterministic deconvolution), increased vertical and horizontal resolution of specific geologic features and more accurate representation of geologic features as confirmed from detailed study of the adjacent quarry wall. ?? 2004 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Applied Geophysics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.jappgeo.2004.07.003","issn":"09269851","usgsCitation":"Xia, J., Franseen, E.K., Miller, R., and Weis, T., 2004, Application of deterministic deconvolution of ground-penetrating radar data in a study of carbonate strata: Journal of Applied Geophysics, v. 56, no. 3, p. 213-229, https://doi.org/10.1016/j.jappgeo.2004.07.003.","startPage":"213","endPage":"229","numberOfPages":"17","costCenters":[],"links":[{"id":208300,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jappgeo.2004.07.003"},{"id":233953,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"56","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ec99e4b0c8380cd4938c","contributors":{"authors":[{"text":"Xia, J.","contributorId":63513,"corporation":false,"usgs":true,"family":"Xia","given":"J.","email":"","affiliations":[],"preferred":false,"id":410433,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Franseen, E. K.","contributorId":30367,"corporation":false,"usgs":false,"family":"Franseen","given":"E.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":410432,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miller, R. D.","contributorId":92693,"corporation":false,"usgs":true,"family":"Miller","given":"R. D.","affiliations":[],"preferred":false,"id":410434,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Weis, T.V.","contributorId":9432,"corporation":false,"usgs":true,"family":"Weis","given":"T.V.","email":"","affiliations":[],"preferred":false,"id":410431,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":1015189,"text":"1015189 - 2004 - Estimating the use of morphometric measurements from museum specimens for sex determination in Mountain Plovers (Charadrius montanus)","interactions":[],"lastModifiedDate":"2017-12-26T12:09:16","indexId":"1015189","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3746,"text":"Western North American Naturalist","onlineIssn":"1944-8341","printIssn":"1527-0904","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Estimating the use of morphometric measurements from museum specimens for sex determination in Mountain Plovers (<i>Charadrius montanus</i>)","title":"Estimating the use of morphometric measurements from museum specimens for sex determination in Mountain Plovers (Charadrius montanus)","docAbstract":"<p>The Mountain Plover (<i>Charadrius montanus</i>) is a shorebird species endemic to the dry, terrestrial ecosystems of the Great Plains and southwestern United States. Breeding Bird Survey data suggest that Mountain Plover populations have declined by &gt;60% in the last 30 years. A better understanding of the population dynamics of the Mountain Plover is important in determining future management goals for this species. However, this effort is hampered by the inability to determine the sex of Mountain Plovers accurately under field conditions. In an effort to develop a simple method for sexing plovers in the hand, we measured external morphometric characteristics from 190 museum specimens of adult Mountain Plovers in alternate (breeding) plumage. Logistic regression and discriminant function analyses were performed on 10 external morphometric measurements (lengths of unflattened wing chord, 10th primary, central rectrix, outer rectrix, total head length, exposed culmen, culmen, bill depth, bill width, and tarsus). The results of these analyses indicated that Mountain Plover sexes were similar for all measures except culmen length. However, further analysis determined that culmen length accurately predicted sex in less than two-thirds of the specimens, suggesting that this measure is a poor predictor of sex in Mountain Plovers. Structurally, Mountain Plovers appear to be nearly identical between the sexes, and other methods of sexing birds (e.g., plumage characteristics, behavioral observations, or molecular markers) should be further assessed for devising a simple method for sexing Mountain Plovers under field conditions.</p>","language":"English","publisher":"Monte L. Bean Life Science Museum, Brigham Young University","usgsCitation":"Iko, W., Dinsmore, S., and Knopf, F., 2004, Estimating the use of morphometric measurements from museum specimens for sex determination in Mountain Plovers (Charadrius montanus): Western North American Naturalist, v. 64, no. 4, p. 492-496.","productDescription":"5 p.","startPage":"492","endPage":"496","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":133100,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350208,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/41717405"}],"volume":"64","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc7ea","contributors":{"authors":[{"text":"Iko, W.M.","contributorId":99933,"corporation":false,"usgs":true,"family":"Iko","given":"W.M.","email":"","affiliations":[],"preferred":false,"id":322475,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dinsmore, S.J.","contributorId":85114,"corporation":false,"usgs":true,"family":"Dinsmore","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":322474,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Knopf, F.L.","contributorId":26998,"corporation":false,"usgs":true,"family":"Knopf","given":"F.L.","email":"","affiliations":[],"preferred":false,"id":322473,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026878,"text":"70026878 - 2004 - An automated approach to mapping corn from Landsat imagery","interactions":[],"lastModifiedDate":"2017-04-10T10:48:12","indexId":"70026878","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1313,"text":"Computers and Electronics in Agriculture","active":true,"publicationSubtype":{"id":10}},"title":"An automated approach to mapping corn from Landsat imagery","docAbstract":"<p><span>Most land cover maps generated from Landsat imagery involve classification of a wide variety of land cover types, whereas some studies may only need spatial information on a single cover type. For example, we required a map of corn in order to estimate exposure to agricultural chemicals for an environmental epidemiology study. Traditional classification techniques, which require the collection and processing of costly ground reference data, were not feasible for our application because of the large number of images to be analyzed. We present a new method that has the potential to automate the classification of corn from Landsat satellite imagery, resulting in a more timely product for applications covering large geographical regions. Our approach uses readily available agricultural areal estimates to enable automation of the classification process resulting in a map identifying land cover as ‘highly likely corn,’ ‘likely corn’ or ‘unlikely corn.’ To demonstrate the feasibility of this approach, we produced a map consisting of the three corn likelihood classes using a Landsat image in south central Nebraska. Overall classification accuracy of the map was 92.2% when compared to ground reference data.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.compag.2003.09.001","issn":"01681699","usgsCitation":"Maxwell, S., Nuckols, J., Ward, M., and Hoffer, R., 2004, An automated approach to mapping corn from Landsat imagery: Computers and Electronics in Agriculture, v. 43, no. 1, p. 43-54, https://doi.org/10.1016/j.compag.2003.09.001.","productDescription":"12 p.","startPage":"43","endPage":"54","numberOfPages":"12","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":235612,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":209309,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.compag.2003.09.001"}],"volume":"43","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ea1fe4b0c8380cd48651","contributors":{"authors":[{"text":"Maxwell, S.K.","contributorId":36665,"corporation":false,"usgs":true,"family":"Maxwell","given":"S.K.","email":"","affiliations":[],"preferred":false,"id":411473,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nuckols, J.R.","contributorId":85385,"corporation":false,"usgs":true,"family":"Nuckols","given":"J.R.","affiliations":[],"preferred":false,"id":411474,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ward, M.H.","contributorId":35939,"corporation":false,"usgs":true,"family":"Ward","given":"M.H.","email":"","affiliations":[],"preferred":false,"id":411472,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hoffer, R.M.","contributorId":6861,"corporation":false,"usgs":true,"family":"Hoffer","given":"R.M.","affiliations":[],"preferred":false,"id":411471,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70027181,"text":"70027181 - 2004 - Mapping of the Culann-Tohil region of Io from Galileo imaging data","interactions":[],"lastModifiedDate":"2018-11-06T11:47:29","indexId":"70027181","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1963,"text":"Icarus","active":true,"publicationSubtype":{"id":10}},"title":"Mapping of the Culann-Tohil region of Io from Galileo imaging data","docAbstract":"<p><span>We have used Galileo spacecraft data to produce a geomorphologic map of the Culann–Tohil region of Io's antijovian hemisphere. This region includes a newly discovered&nbsp;shield volcano, Tsũi Goab Tholus and a neighboring bright&nbsp;flow field, Tsũi Goab Fluctus, the active Culann Patera and the enigmatic Tohil Mons-Radegast Patera–Tohil Patera complex. Analysis of Voyager global color and Galileo Solid-State Imaging (SSI) high-resolution, regional (50–330&nbsp;m/pixel), and global color (1.4&nbsp;km/pixel) images, along with available Galileo Near-Infrared Mapping&nbsp;Spectrometer&nbsp;(NIMS) data, suggests that 16 distinct geologic units can be defined and characterized in this region, including 5 types of diffuse deposits. Tsũi Goab Fluctus is the center of a low-temperature hotspot detected by NIMS late during the Galileo mission, and could represent the best case for active effusive&nbsp;sulfur&nbsp;volcanism&nbsp;detected by Galileo. The Culann volcanic center has produced a range of explosive and effusive deposits, including an outer yellowish ring of enhanced&nbsp;sulfur dioxide&nbsp;(SO</span><sub>2</sub><span>), an inner red ring of SO</span><sub>2</sub><span>with short-chain sulfur (S</span><sub>3</sub><span>–S</span><sub>4</sub><span>) contaminants, and two irregular green diffuse deposits (one in Tohil Patera) apparently produced by the interaction of dark,&nbsp;silicate&nbsp;lava flows&nbsp;with sulfurous contaminants ballistically-emplaced from Culann's eruption plume(s). Fresh and red-mantled dark lava flows west of the Culann vent can be contrasted with unusual red–brown flows east of the vent. These red–brown flows have a distinct color that is suggestive of a compositional difference, although whether this is due to surface alteration or distinct lava compositions cannot be determined. The main massif of Tohil Mons is covered with ridges and grooves, defining a unit of tectonically disrupted crustal materials. Tohil Mons also contains a younger unit of mottled crustal materials that were displaced by&nbsp;mass wasting&nbsp;processes. Neighboring Radegast Patera contains a NIMS hotspot and a young lava lake of dark silicate flows, whereas the southwest portion of Tohil Patera contains white flow-like units, perhaps consisting of ‘ponds’ of effusively emplaced SO</span><sub>2</sub><span>. From 0°–15°&nbsp;S the hummocky bright plains unit away from volcanic centers contains&nbsp;scarps, grooves, pits, graben, and channel-like features, some of which have been modified by erosion. Although the most active volcanic centers appear to be found in structural lows (as indicated by mapping of scarps), DEMs derived from&nbsp;stereo images&nbsp;show that, with the exception of Tohil Mons, there is less than 1 km of relief in the Culann–Tohil region. There is no discernable correlation between centers of active volcanism and topography.</span></p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Icarus","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.icarus.2003.08.024","issn":"00191035","usgsCitation":"Williams, D., Schenk, P., Moore, J., Keszthelyi, L., Turtle, E.P., Jaeger, W.L., Radebaugh, J., Milazzo, M.P., Lopes, R., and Greeley, R., 2004, Mapping of the Culann-Tohil region of Io from Galileo imaging data: Icarus, v. 169, no. 1, p. 80-97, https://doi.org/10.1016/j.icarus.2003.08.024.","productDescription":"18 p.","startPage":"80","endPage":"97","numberOfPages":"18","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":209173,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.icarus.2003.08.024"},{"id":235412,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"169","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a506ae4b0c8380cd6b6a7","contributors":{"authors":[{"text":"Williams, D.A.","contributorId":98048,"corporation":false,"usgs":false,"family":"Williams","given":"D.A.","email":"","affiliations":[{"id":7114,"text":"Arizona State Unviersity","active":true,"usgs":false}],"preferred":false,"id":412660,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schenk, Paul M.","contributorId":66946,"corporation":false,"usgs":false,"family":"Schenk","given":"Paul M.","affiliations":[{"id":12445,"text":"Lunar and Planetary Institute","active":true,"usgs":false}],"preferred":false,"id":412657,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Moore, Jeffrey M.","contributorId":102585,"corporation":false,"usgs":true,"family":"Moore","given":"Jeffrey M.","affiliations":[],"preferred":false,"id":412654,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Keszthelyi, Laszlo P. 0000-0003-1879-4331 laz@usgs.gov","orcid":"https://orcid.org/0000-0003-1879-4331","contributorId":52802,"corporation":false,"usgs":true,"family":"Keszthelyi","given":"Laszlo P.","email":"laz@usgs.gov","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":412653,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Turtle, Elizabeth P.","contributorId":45443,"corporation":false,"usgs":false,"family":"Turtle","given":"Elizabeth","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":412656,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Jaeger, Windy L.","contributorId":61679,"corporation":false,"usgs":true,"family":"Jaeger","given":"Windy","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":412659,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Radebaugh, Jani","contributorId":101792,"corporation":false,"usgs":true,"family":"Radebaugh","given":"Jani","email":"","affiliations":[],"preferred":false,"id":412655,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Milazzo, Moses P. 0000-0002-9101-2191 moses@usgs.gov","orcid":"https://orcid.org/0000-0002-9101-2191","contributorId":4811,"corporation":false,"usgs":true,"family":"Milazzo","given":"Moses","email":"moses@usgs.gov","middleInitial":"P.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":412652,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Lopes, Rosaly","contributorId":210492,"corporation":false,"usgs":false,"family":"Lopes","given":"Rosaly","email":"","affiliations":[],"preferred":false,"id":412658,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Greeley, Ronald","contributorId":20833,"corporation":false,"usgs":true,"family":"Greeley","given":"Ronald","email":"","affiliations":[],"preferred":false,"id":412651,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70026877,"text":"70026877 - 2004 - An evaluation of the individual components and accuracies associated with the determination of impervious area","interactions":[],"lastModifiedDate":"2021-08-26T15:46:13.462751","indexId":"70026877","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1722,"text":"GIScience and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"An evaluation of the individual components and accuracies associated with the determination of impervious area","docAbstract":"<p>The percentage of impervious surface area in a watershed has been widely recognized as a key indicator of terrestrial and aquatic ecosystem condition. Although the use of the impervious indicator is widespread, there is currently no consistent or mutually accepted method of computing impervious area and the approach of various commonly used techniques varies widely. Further, we do not have reliable information on the components of impervious surfaces, which would be critical in any future planning attempts to remediate problems associated with impervious surface coverage. In cooperation with the USGS Geographic Analysis and Monitoring Program (GAM) and The National Map, and the EPA Landscape Ecology Program, this collaborative research project utilized very high resolution imagery and GIS techniques to map and quantify the individual components of total impervious area in six urban/suburban watersheds in different parts of the United States. These data were served as ground reference, or \"truth,\" for the evaluation for four techniques used to compute impervious area. The results show some important aspects about the component make-up of impervious cover and the variability of methods commonly used to compile this critical emerging indicator of ecosystem condition.</p>","language":"English","publisher":"Taylor & Francis Online","doi":"10.2747/1548-1603.41.2.165","usgsCitation":"Slonecker, E., and Tilley, J., 2004, An evaluation of the individual components and accuracies associated with the determination of impervious area: GIScience and Remote Sensing, v. 41, no. 2, p. 165-184, https://doi.org/10.2747/1548-1603.41.2.165.","productDescription":"20 p.","startPage":"165","endPage":"184","costCenters":[{"id":247,"text":"Eastern Region Geography","active":false,"usgs":true}],"links":[{"id":489930,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2747/1548-1603.41.2.165","text":"Publisher Index 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