{"pageNumber":"2714","pageRowStart":"67825","pageSize":"25","recordCount":184617,"records":[{"id":72273,"text":"fs20043144 - 2004 - Fort Collins Science Center: Policy Analysis and Science Assistance","interactions":[],"lastModifiedDate":"2016-05-26T15:05:58","indexId":"fs20043144","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2004-3144","title":"Fort Collins Science Center: Policy Analysis and Science Assistance","docAbstract":"<p>Most resource management decisions involve the integrated use of biological, sociological, and economic information. Combining this information provides a more comprehensive basis for making effective land management and conservation decisions. Toward this end, scientists in the Policy Analysis and Science Assistance Branch (PASA) of the Fort Collins Science Center (FORT) contribute expert knowledge for natural resources management by conducting biological, social, economic, and institutional analyses of conservation policies and management practices.</p>\n<p>PASA's mission is to integrate biological, social, and economic research so that resource managers can use the resulting information to make informed decisions and resolve resource management conflicts. PASA scientists pursue and conduct scientific analyses that help agencies and Native American tribes to (1) identify impending policy controversies and areas where social and natural science research is needed to address future policy questions; (2) develop methods and approaches to assist researchers in preparing scientific evidence; (3) assess habitat alteration in a manner consistent with policy needs; and (4) evaluate policy options. Branch scientists also evaluate policy options (e.g., effects of different land treatments, fish and wildlife management practices, or visitor/recreation management practices) in response to specific questions faced by policymakers and managers.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20043144","usgsCitation":"Lamb, B., 2004, Fort Collins Science Center: Policy Analysis and Science Assistance: U.S. Geological Survey Fact Sheet 2004-3144, 2 p., https://doi.org/10.3133/fs20043144.","productDescription":"2 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":125063,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2004_3144.jpg"},{"id":320284,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2004/3144/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4779e4b07f02db47f3fc","contributors":{"authors":[{"text":"Lamb, Berton L.","contributorId":24009,"corporation":false,"usgs":true,"family":"Lamb","given":"Berton L.","affiliations":[],"preferred":false,"id":285326,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":1015186,"text":"1015186 - 2004 - Vegetation response to fire and postburn seeding treatments in juniper woodlands of the Grand Staircase-Escalante National Monument, Utah","interactions":[],"lastModifiedDate":"2018-01-01T16:08:52","indexId":"1015186","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}},"title":"Vegetation response to fire and postburn seeding treatments in juniper woodlands of the Grand Staircase-Escalante National Monument, Utah","docAbstract":"<p>We compared 3 naturally ignited burns with unburned sites in the Grand Staircase-Escalante National Monument. Each burn site was restored with native and nonnative seed mixes, restored with native seeds only, or regenerated naturally. In general, burned sites had significantly lower native species richness (1.8 vs. 2.9 species), native species cover (11% vs. 22.5%), and soil crust cover (4.1% vs. 15%) than unburned sites. Most burned plots, seeded or not, had significantly higher average nonnative species richness and cover and lower average native species richness and cover than unburned sites. Regression tree analyses suggest site variation was equally important to rehabilitation results as seeding treatments. Low native species richness and cover, high soil C, and low cover of biological soil crusts may facilitate increased nonnative species richness and cover. Our study also found that unburned sites in the region had equally high cover of nonnative species compared with the rest of the Monument. Cheatgrass (<i>Bromus tectorum</i>) dominated both burned and unburned sites. Despite the invasion of cheatgrass, unburned sites still maintain higher native species richness; however, the high cover of cheatgrass may increase fire frequency, further reduce native species richness and cover, and ultimately change vegetation composition in juniper woodlands.</p>","language":"English","publisher":"Monte L. Bean Life Science Museum, Brigham Young University","usgsCitation":"Evangelista, P., Stohlgren, T., Guenther, D., and Stewart, S., 2004, Vegetation response to fire and postburn seeding treatments in juniper woodlands of the Grand Staircase-Escalante National Monument, Utah: Western North American Naturalist, v. 64, no. 3, p. 293-305.","productDescription":"13 p.","startPage":"293","endPage":"305","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":133257,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":14874,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/41717377"}],"volume":"64","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db6024e5","contributors":{"authors":[{"text":"Evangelista, P.","contributorId":21903,"corporation":false,"usgs":true,"family":"Evangelista","given":"P.","email":"","affiliations":[],"preferred":false,"id":322461,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stohlgren, T.J.","contributorId":7217,"corporation":false,"usgs":true,"family":"Stohlgren","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":322459,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Guenther, D.","contributorId":21902,"corporation":false,"usgs":true,"family":"Guenther","given":"D.","email":"","affiliations":[],"preferred":false,"id":322460,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stewart, S.","contributorId":66650,"corporation":false,"usgs":true,"family":"Stewart","given":"S.","affiliations":[],"preferred":false,"id":322462,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70035291,"text":"70035291 - 2004 - A prototype for understanding the effects of TMDL standards: Tying property values to sediment loads in the Lake Tahoe Basin","interactions":[],"lastModifiedDate":"2012-03-12T17:21:55","indexId":"70035291","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"A prototype for understanding the effects of TMDL standards: Tying property values to sediment loads in the Lake Tahoe Basin","docAbstract":"The Federal Clean Water Act (Section 303(d)) mandates that states develop Total Maximum Daily Load (TMDL) plans for water bodies that are on the Section 303(d) list. To be placed on the 303(d) list, a water body must be found to have water quality conditions that limit its ability to meet its designated beneficial uses. The TMDL for a water body is defined in 40 CFR 130 as the sum of waste load allocations from identified points sources and non-point sources within the water body's watershed. The TMDL plan for a listed water body should identify the current waste loads to the water body, the waste load capacity of the water body and then allocate the waste load capacity to the known point and non-point sources of pollution within the water body's watershed. Copyright 2004 ASCE.","largerWorkTitle":"Watershed Management and Operations Management 2000","conferenceTitle":"Watershed Management and Operations Management 2000","conferenceDate":"20 June 2000 through 24 June 2000","conferenceLocation":"Fort Collins, CO","language":"English","doi":"10.1061/40499(2000)68","isbn":"0784404992; 9780784404997","usgsCitation":"Tracy, J., Bernknopf, R., Forney, W., and Hill, K., 2004, A prototype for understanding the effects of TMDL standards: Tying property values to sediment loads in the Lake Tahoe Basin, <i>in</i> Watershed Management and Operations Management 2000, v. 105, Fort Collins, CO, 20 June 2000 through 24 June 2000, https://doi.org/10.1061/40499(2000)68.","costCenters":[],"links":[{"id":215097,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40499(2000)68"},{"id":242871,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"105","noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"5059e521e4b0c8380cd46b3a","contributors":{"authors":[{"text":"Tracy, J.C.","contributorId":21734,"corporation":false,"usgs":true,"family":"Tracy","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":450043,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bernknopf, R.","contributorId":51169,"corporation":false,"usgs":true,"family":"Bernknopf","given":"R.","affiliations":[],"preferred":false,"id":450044,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Forney, W.","contributorId":67780,"corporation":false,"usgs":true,"family":"Forney","given":"W.","email":"","affiliations":[],"preferred":false,"id":450045,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hill, K.","contributorId":18641,"corporation":false,"usgs":true,"family":"Hill","given":"K.","email":"","affiliations":[],"preferred":false,"id":450042,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":57981,"text":"ofr20041306 - 2004 - Quality assurance report - Loch Vale watershed, 1999-2002","interactions":[],"lastModifiedDate":"2022-09-16T20:26:56.802384","indexId":"ofr20041306","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":"2004-1306","title":"Quality assurance report - Loch Vale watershed, 1999-2002","docAbstract":"<p>The National Park Service initiated the Loch Vale Watershed (LVWS) project in 1980 with funding from the Aquatic Effects Research Program of the National Acid Precipitation Assessment Program. Long-term ecological research and monitoring address watershed-scale ecosystem processes, particularly as they respond to atmospheric deposition and climate variability. Monitoring of meteorological, hydrologic, precipitation chemistry, and surface water quality parameters enable us to use long-term trends to distinguish natural from human-caused disturbances. Research into snow distribution, hydrologic flowpaths, vegetation responses to N deposition, isotopic transformations of N by forest and soil processes, trace metals, and aquatic ecological responses to disturbance enable us to understand processes that influence high elevation ecosystems.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20041306","collaboration":"In collaboration with Natural Resource Ecology Laboratory","usgsCitation":"Botte, J.A., and Baron, J., 2004, Quality assurance report - Loch Vale watershed, 1999-2002: U.S. Geological Survey Open-File Report 2004-1306, iii, 17 p., https://doi.org/10.3133/ofr20041306.","productDescription":"iii, 17 p.","numberOfPages":"20","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"1999-01-01","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":185199,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20041306.PNG"},{"id":406883,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_69659.htm","linkFileType":{"id":5,"text":"html"}},{"id":320292,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2004/1306/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","otherGeospatial":"Loch Vale watershed","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -105.6378,\n              40.2828\n            ],\n            [\n              -105.8464,\n              40.2828\n            ],\n            [\n              -105.8464,\n              40.3089\n            ],\n            [\n              -105.6378,\n              40.3089\n            ],\n            [\n              -105.6378,\n              40.2828\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a73e4b07f02db643d2c","contributors":{"authors":[{"text":"Botte, Jorin A.","contributorId":106571,"corporation":false,"usgs":true,"family":"Botte","given":"Jorin","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":258090,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Baron, Jill 0000-0002-5902-6251 jill_baron@usgs.gov","orcid":"https://orcid.org/0000-0002-5902-6251","contributorId":194124,"corporation":false,"usgs":true,"family":"Baron","given":"Jill","email":"jill_baron@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":258089,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":1015214,"text":"1015214 - 2004 - Nitrogen regulation of algal biomass, productivity, and composition in shallow mountain lakes, Snowy Range, Wyoming, USA","interactions":[],"lastModifiedDate":"2018-02-21T17:56:51","indexId":"1015214","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1169,"text":"Canadian Journal of Fisheries and Aquatic Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Nitrogen regulation of algal biomass, productivity, and composition in shallow mountain lakes, Snowy Range, Wyoming, USA","docAbstract":"<p>We investigated the effects of increased nitrate (NO<sub>3</sub>), alone and in combination with phosphorus (P), on phytoplankton, epilithon, and epipelon in shallow lakes of the Snowy Range, Wyoming, using two enclosure experiments during early and late summer. Phytoplankton responded strongly to N and N + P, but not to P, with increased cell density, chlorophyll <i>a</i>, and photosynthesis and shifts in composition from chrysophytes to cyanophytes, chlorophytes, and diatoms. Zooplankton density and biomass were unaltered despite the additional phytoplankton stock, probably as the result of poor food quality. In the late summer, algae on tiles responded to N and N + P additions with greater chlorophyll <i>a</i> and increases in cyanophyte and chlorophyte density. Algae on sediment dominated whole-enclosure algal biomass but were spatially variable and responded insignificantly to nutrients. Consequently, N controlled productivity and community composition of phytoplankton and algae on hard substrates but had less impact on ecosystem algal biomass because of the large pool of nutrient-sufficient sediment algae. Phytoplankton were more photosynthetically efficient than the benthos, however, such that primary productivity did shift more toward the water column.</p>","language":"English","publisher":"NRC Research Press","doi":"10.1139/f04-085","usgsCitation":"Nydick, K.R., Lafrancois, B.M., Baron, J., and Johnson, B.M., 2004, Nitrogen regulation of algal biomass, productivity, and composition in shallow mountain lakes, Snowy Range, Wyoming, USA: Canadian Journal of Fisheries and Aquatic Sciences, v. 61, no. 7, p. 1256-1268, https://doi.org/10.1139/f04-085.","productDescription":"13 p.","startPage":"1256","endPage":"1268","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":132673,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"61","issue":"7","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afee4b07f02db697374","contributors":{"authors":[{"text":"Nydick, Koren R.","contributorId":196601,"corporation":false,"usgs":false,"family":"Nydick","given":"Koren","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":322543,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lafrancois, Brenda Moraska","contributorId":68559,"corporation":false,"usgs":true,"family":"Lafrancois","given":"Brenda","email":"","middleInitial":"Moraska","affiliations":[],"preferred":false,"id":322545,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Baron, Jill 0000-0002-5902-6251 jill_baron@usgs.gov","orcid":"https://orcid.org/0000-0002-5902-6251","contributorId":194124,"corporation":false,"usgs":true,"family":"Baron","given":"Jill","email":"jill_baron@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":322544,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Johnson, Brett M.","contributorId":70240,"corporation":false,"usgs":true,"family":"Johnson","given":"Brett","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":322546,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"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":70026304,"text":"70026304 - 2004 - Mass-dependent fractionation of selenium and chromium isotopes in low-temperature environments","interactions":[],"lastModifiedDate":"2021-10-21T11:43:23.534339","indexId":"70026304","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3281,"text":"Reviews in Mineralogy and Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Mass-dependent fractionation of selenium and chromium isotopes in low-temperature environments","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Mineralogical Society of America","doi":"10.2138/gsrmg.55.1.289","usgsCitation":"Johnson, T., and Bullen, T., 2004, Mass-dependent fractionation of selenium and chromium isotopes in low-temperature environments: Reviews in Mineralogy and Geochemistry, v. 55, no. 1, p. 289-317, https://doi.org/10.2138/gsrmg.55.1.289.","productDescription":"29 p.","startPage":"289","endPage":"317","costCenters":[{"id":629,"text":"Water Resources Division","active":false,"usgs":true}],"links":[{"id":234363,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"55","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a525ee4b0c8380cd6c372","contributors":{"authors":[{"text":"Johnson, T.M.","contributorId":63998,"corporation":false,"usgs":true,"family":"Johnson","given":"T.M.","email":"","affiliations":[],"preferred":false,"id":408935,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bullen, T.D.","contributorId":79911,"corporation":false,"usgs":true,"family":"Bullen","given":"T.D.","email":"","affiliations":[],"preferred":false,"id":408936,"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":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":1015222,"text":"1015222 - 2004 - Great Plains ecosystems: Past, present, and future","interactions":[],"lastModifiedDate":"2017-12-28T09:59:39","indexId":"1015222","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":"Great Plains ecosystems: Past, present, and future","docAbstract":"<p>Little question exists that the main bodies of North American prairie (i.e., the tall-grass, mixed, and shortgrass) are among the most endangered resources on the continent. The purpose of this paper is to provide a past and present biological baseline by which to understand North American prairies and to provide a platform for future conservation. Events both immediate to the end of the Pleistocene and historic suggest that the present grassland conditions are different from those within which most of the grassland organisms evolved. Our analysis suggests that few grassland landscapes remain adequate in area and distribution to sustain diversity sufficient to include biota and ecological drivers native to the landscape. A robust and history-based scenario to conserve Great Plains grasslands is to 1) identify areas large enough to sustain an ecological system with all its biodiversity, 2) reverse significant losses in area of native grasslands, 3) ensure that restoration matches the grassland previously existing at that site, 4) refocus the profession of range management, and 5) establish a more meaningful agency design for grassland and natural resource management.</p>","language":"English","publisher":"The Wildlife Society","doi":"10.2193/0091-7648(2004)32[6:GPEPPA]2.0.CO;2","usgsCitation":"Samson, F.B., Knopf, F., and Ostlie, W., 2004, Great Plains ecosystems: Past, present, and future: Wildlife Society Bulletin, v. 32, no. 1, p. 6-15, https://doi.org/10.2193/0091-7648(2004)32[6:GPEPPA]2.0.CO;2.","productDescription":"10 p.","startPage":"6","endPage":"15","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":132990,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"32","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abae4b07f02db671cde","contributors":{"authors":[{"text":"Samson, F. B.","contributorId":77880,"corporation":false,"usgs":true,"family":"Samson","given":"F.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":322582,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Knopf, F.L.","contributorId":26998,"corporation":false,"usgs":true,"family":"Knopf","given":"F.L.","email":"","affiliations":[],"preferred":false,"id":322580,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ostlie, W.R.","contributorId":65805,"corporation":false,"usgs":true,"family":"Ostlie","given":"W.R.","email":"","affiliations":[],"preferred":false,"id":322581,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70178220,"text":"70178220 - 2004 - Correlations among densities of stream fishes in the upper Neosho River, with focus on the federally threatened Neosho madtom <i>Noturus placidus</i>","interactions":[],"lastModifiedDate":"2016-11-07T15:03:24","indexId":"70178220","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3634,"text":"Transactions of the Kansas Academy of Science","active":true,"publicationSubtype":{"id":10}},"title":"Correlations among densities of stream fishes in the upper Neosho River, with focus on the federally threatened Neosho madtom <i>Noturus placidus</i>","docAbstract":"<p><span>We sampled fishes monthly from November 2000 to October 2001 at four gravel bar sites along a 34-km stretch of the upper Neosho River in Lyon County, Kansas. We assessed the potential for interspecific competition among stream fishes, with focus on the federally threatened Neosho madtom, </span><i>Noturus placidus</i><span>, by using Pearson's correlation analysis with sequential Bonferroni correction of alpha to examine relationships among fish densities. Of the 19 fish species analyzed, there were six significant positive and no significant negative correlations. Abundance of </span><i>N. placidus</i><span>did not vary significantly with total abundance of fishes or with abundance of any of these potential competitors. The lack of significant negative correlations at these sites at this time might reflect an assemblage in equilibrium or one controlled abiotically rather than by ongoing active competition.</span></p>","language":"English","publisher":"Kansas Academy of Science","doi":"10.1660/0022-8443(2004)107[0017:CADOSF]2.0.CO;2","usgsCitation":"Tiemann, J.S., Gillette, D.P., Wildhaber, M.L., and Edds, D.R., 2004, Correlations among densities of stream fishes in the upper Neosho River, with focus on the federally threatened Neosho madtom <i>Noturus placidus</i>: Transactions of the Kansas Academy of Science, v. 107, no. 1 & 2, p. 17-24, https://doi.org/10.1660/0022-8443(2004)107[0017:CADOSF]2.0.CO;2.","productDescription":"8 p.","startPage":"17","endPage":"24","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":330855,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"107","issue":"1 & 2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5821a0dde4b02f1a881de978","contributors":{"authors":[{"text":"Tiemann, Jeremy S.","contributorId":66584,"corporation":false,"usgs":true,"family":"Tiemann","given":"Jeremy","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":653316,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gillette, David P.","contributorId":174112,"corporation":false,"usgs":false,"family":"Gillette","given":"David","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":653317,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wildhaber, Mark L. 0000-0002-6538-9083 mwildhaber@usgs.gov","orcid":"https://orcid.org/0000-0002-6538-9083","contributorId":1386,"corporation":false,"usgs":true,"family":"Wildhaber","given":"Mark","email":"mwildhaber@usgs.gov","middleInitial":"L.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":653318,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Edds, David R.","contributorId":174113,"corporation":false,"usgs":false,"family":"Edds","given":"David","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":653319,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70178247,"text":"70178247 - 2004 - Degradation of picric acid and 2,6-DNT in marine sediments and waters: The role of microbial activity and ultra-violet exposure","interactions":[],"lastModifiedDate":"2016-11-08T13:37:42","indexId":"70178247","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1226,"text":"Chemosphere","active":true,"publicationSubtype":{"id":10}},"title":"Degradation of picric acid and 2,6-DNT in marine sediments and waters: The role of microbial activity and ultra-violet exposure","docAbstract":"<p><span>Bio- and photo-transformation of two munitions and explosives of concern, 2,6-dinitrotoluene (2,6-DNT) and 2,4,6-trinitrophenol (picric acid) were assessed in spiked marine sediments and water. A sandy and a fine-grained sediment, with 0.25% and 1.1% total organic carbon, respectively, were used for biotransformation assessments at 10 and 20 °C. Sterilized sediments were used as controls for biotic vs. abiotic transformation. Transformation products were analyzed by HPLC, GC/MS and LC/MS. Biotransformation in sediments started soon after the initial contact of the chemicals with the sediments and proceeded for several months, with rates in the following sequence: fine-grain at 20 °C&nbsp;&gt;&nbsp;fine-grain at 10 °C&nbsp;&gt;&nbsp;sand at 20 °C&nbsp;&gt;&nbsp;sand at 10 °C. The biotransformation paths seemed to be similar for all conditions. The major biotransformation product of 2,6-DNT was 2-amino-6-nitrotoluene (2-A-6-NT). 2-Nitrotoluene (2-NT) and other minor components, including </span><i>N</i><span>,</span><i>N</i><span>-dimethyl-3-nitroaniline, benzene nitrile, methylamino-2-nitrosophenol and diaminophenol, were also identified. After more prolonged incubation these chemicals were replaced by high molecular weight polymers. Several breakdown products of picric acid were identified by GC/MS, including 2,4-dinitrophenol, amino dinitrophenols, 3,4-diamino phenol, amino nitrophenol and nitro diaminophenol. Photo-transformation of 2,6-DNT and picric acid in seawater was assessed under simulated solar radiation (SSR). No significant photolysis of picric acid in seawater was observed for up to 47 days, but photo-transformation of 2,6-DNT began soon after the initial exposure to SSR, with 89% being photo-transformed in 24 h and none remaining after 72 h. High molecular weight chemicals were generated, with mass spectra ranging from molecular weight 200–500 compared to 182 for DNT, and the color of the stock solution changed from clear to orange. Complexity of the mass spectra and mass differences among fragments suggest that multiple polymers were produced and were co-eluting during the LC/MS analyses.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.chemosphere.2004.04.039","usgsCitation":"Nipper, M., Qian, Y., Carr, R.S., and Miller, K., 2004, Degradation of picric acid and 2,6-DNT in marine sediments and waters: The role of microbial activity and ultra-violet exposure: Chemosphere, v. 56, no. 6, p. 519-530, https://doi.org/10.1016/j.chemosphere.2004.04.039.","productDescription":"12 p.","startPage":"519","endPage":"530","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":330871,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"56","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5822f23be4b0ef3123a9702b","contributors":{"authors":[{"text":"Nipper, Marion","contributorId":56273,"corporation":false,"usgs":true,"family":"Nipper","given":"Marion","email":"","affiliations":[],"preferred":false,"id":653362,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Qian, Yaorong","contributorId":176739,"corporation":false,"usgs":false,"family":"Qian","given":"Yaorong","email":"","affiliations":[],"preferred":false,"id":653363,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carr, R. Scott","contributorId":14025,"corporation":false,"usgs":true,"family":"Carr","given":"R.","email":"","middleInitial":"Scott","affiliations":[],"preferred":false,"id":653364,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Miller, Karen","contributorId":176740,"corporation":false,"usgs":false,"family":"Miller","given":"Karen","affiliations":[],"preferred":false,"id":653365,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70179785,"text":"70179785 - 2004 - White sturgeon mitigation and restoration in the Columbia and Snake rivers upstream from Bonneville Dam, Annual progress report April 2002 - March 2003. Report C ","interactions":[],"lastModifiedDate":"2017-01-17T15:56:07","indexId":"70179785","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"White sturgeon mitigation and restoration in the Columbia and Snake rivers upstream from Bonneville Dam, Annual progress report April 2002 - March 2003. Report C ","docAbstract":"<p>During 1 April 2002 through 31 March 2003, the U.S. Geological Survey (USGS) continued work on several tasks, including quantifying habitat suitable for white sturgeon Acipenser transmontanus spawning, a long-term survey of young-of-the-year (YOY) white sturgeon recruitment in the lower Columbia River, and a laboratory study investigating predation on larval and juvenile white sturgeon. River discharge and water temperatures that occurred during April through July 2002 provided relatively good conditions for spawning by white sturgeon downstream from Bonneville, The Dalles, John Day, and McNary dams. Optimal spawning temperatures in the four tailraces occurred for approximately three weeks and during a period of relatively high river discharge. Our monthly estimates of the index of spawning habitat showed that the availability of habitat for spawning peaked in June at levels higher than the average of past years. However, indices for the month of May were less than average in all four tailraces. YOY white sturgeon were collected during bottom trawling in Bonneville and The Dalles reservoirs, but none were captured in the John Day Reservoir. In an ongoing comparison of indices of abundance derived from bottom trawls and gill nets, the Oregon Department of Fish and Wildlife also caught YOY white sturgeon in gill nets set in The Dalles Reservoir, but none in the John Day Reservoir. The third year of a three-year laboratory predation study was completed. Adult channel catfish ingested white sturgeon up to a mean total length of about 120 mm, and juvenile walleye ate white sturgeon up to a mean length of 53 mm. When white sturgeon and coho salmon were both available as prey, northern pikeminnow continued to ingest white sturgeon, but in most cases preferred salmon. Conversely, prickly sculpins preferred white sturgeon over goldfish as prey. The presence of cover and also lower light levels reduced predation by sculpins on white sturgeon larvae, but cover did not reduce predation on white sturgeon juveniles. Similar to the past two years, turbidity affected predation of white sturgeon larvae by prickly sculpins, with less sturgeon ingested at higher turbidities. </p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"White sturgeon mitigation and restoration in the Columbia and Snake rivers upstream from Bonneville Dam","language":"English","publisher":"Bonneville Power Administration","usgsCitation":"Gadomski, D., Parsley, M., and Kofoot, P., 2004, White sturgeon mitigation and restoration in the Columbia and Snake rivers upstream from Bonneville Dam, Annual progress report April 2002 - March 2003. Report C , 32 p. .","productDescription":"32 p. ","startPage":"70","endPage":"101","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":333278,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oregon, Washington","otherGeospatial":"Bonneville Dam ","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -121.89914703369139,\n              45.687715074360916\n            ],\n            [\n              -121.9207763671875,\n              45.67764111679879\n            ],\n            [\n              -121.92146301269531,\n              45.659167483312785\n            ],\n            [\n              -121.94412231445314,\n              45.65484809235974\n            ],\n            [\n              -121.97021484374999,\n              45.64524825291491\n            ],\n            [\n              -121.98291778564455,\n              45.63396633909786\n            ],\n            [\n              -122.00489044189453,\n              45.63084540868369\n            ],\n            [\n              -122.01381683349611,\n              45.62892474973852\n            ],\n            [\n              -122.00523376464842,\n              45.60995470865843\n            ],\n            [\n              -121.94652557373045,\n              45.628444574718564\n            ],\n            [\n              -121.89331054687499,\n              45.65004837830723\n            ],\n            [\n              -121.87854766845703,\n              45.671883755186784\n            ],\n            [\n              -121.85451507568358,\n              45.6819587493002\n            ],\n            [\n              -121.87408447265625,\n              45.70210329565788\n            ],\n            [\n              -121.89914703369139,\n              45.687715074360916\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"587f3ddbe4b0d96de256457a","contributors":{"authors":[{"text":"Gadomski, D.M.","contributorId":37101,"corporation":false,"usgs":true,"family":"Gadomski","given":"D.M.","email":"","affiliations":[],"preferred":false,"id":658701,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parsley, M.J.","contributorId":59542,"corporation":false,"usgs":true,"family":"Parsley","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":658702,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kofoot, P.","contributorId":177790,"corporation":false,"usgs":false,"family":"Kofoot","given":"P.","email":"","affiliations":[],"preferred":false,"id":658703,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70026317,"text":"70026317 - 2004 - A method for evaluating the importance of system state observations to model predictions, with application to the Death Valley regional groundwater flow system","interactions":[],"lastModifiedDate":"2018-04-02T15:37:19","indexId":"70026317","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":"A method for evaluating the importance of system state observations to model predictions, with application to the Death Valley regional groundwater flow system","docAbstract":"<p><span>We develop a new observation‐prediction (OPR) statistic for evaluating the importance of system state observations to model predictions. The OPR statistic measures the change in prediction uncertainty produced when an observation is added to or removed from an existing monitoring network, and it can be used to guide refinement and enhancement of the network. Prediction uncertainty is approximated using a first‐order second‐moment method. We apply the OPR statistic to a model of the Death Valley regional groundwater flow system (DVRFS) to evaluate the importance of existing and potential hydraulic head observations to predicted advective transport paths in the saturated zone underlying Yucca Mountain and underground testing areas on the Nevada Test Site. Important existing observations tend to be far from the predicted paths, and many unimportant observations are in areas of high observation density. These results can be used to select locations at which increased observation accuracy would be beneficial and locations that could be removed from the network. Important potential observations are mostly in areas of high hydraulic gradient far from the paths. Results for both existing and potential observations are related to the flow system dynamics and coarse parameter zonation in the DVRFS model. If system properties in different locations are as similar as the zonation assumes, then the OPR results illustrate a data collection opportunity whereby observations in distant, high‐gradient areas can provide information about properties in flatter‐gradient areas near the paths. If this similarity is suspect, then the analysis produces a different type of data collection opportunity involving testing of model assumptions critical to the OPR results.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2004WR003313","usgsCitation":"Tiedeman, C.R., Ely, D.M., Hill, M.C., and O’Brien, G.M., 2004, A method for evaluating the importance of system state observations to model predictions, with application to the Death Valley regional groundwater flow system: Water Resources Research, v. 40, no. 12, Article W2411; 14 p., https://doi.org/10.1029/2004WR003313.","productDescription":"Article W2411; 14 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":234006,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","volume":"40","issue":"12","noUsgsAuthors":false,"publicationDate":"2004-12-22","publicationStatus":"PW","scienceBaseUri":"5059e453e4b0c8380cd465a2","contributors":{"authors":[{"text":"Tiedeman, Claire R. 0000-0002-0128-3685 tiedeman@usgs.gov","orcid":"https://orcid.org/0000-0002-0128-3685","contributorId":196777,"corporation":false,"usgs":true,"family":"Tiedeman","given":"Claire","email":"tiedeman@usgs.gov","middleInitial":"R.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"preferred":true,"id":408986,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ely, D. Matthew","contributorId":100052,"corporation":false,"usgs":true,"family":"Ely","given":"D.","email":"","middleInitial":"Matthew","affiliations":[],"preferred":false,"id":408984,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hill, Mary C. mchill@usgs.gov","contributorId":974,"corporation":false,"usgs":true,"family":"Hill","given":"Mary","email":"mchill@usgs.gov","middleInitial":"C.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":408985,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"O’Brien, Grady M.","contributorId":71197,"corporation":false,"usgs":true,"family":"O’Brien","given":"Grady","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":408983,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70035531,"text":"70035531 - 2004 - Simulation of an urban ground-water-flow system in the Menomonee Valley, Milwaukee, Wisconsin using analytic element modeling","interactions":[],"lastModifiedDate":"2012-03-12T17:21:51","indexId":"70035531","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Simulation of an urban ground-water-flow system in the Menomonee Valley, Milwaukee, Wisconsin using analytic element modeling","docAbstract":"A single-layer, steady-state analytic element model was constructed to simulate shallow ground-water flow in the Menomonee Valley, an old industrial center southwest of downtown Milwaukee, Wisconsin. Project objectives were to develop an understanding of the shallow ground-water flow system and identify primary receptors of recharge to the valley. The analytic element model simulates flow in a 18.3 m (60 ft) thick layer of estuarine and alluvial sediments and man-made fill that comprises the shallow aquifer across the valley. The thin, laterally extensive nature of the shallow aquifer suggests horizontal-flow predominates, thus the system can appropriately be modeled with the Dupuit-Forchheimer approximation in an analytic element model. The model was calibrated to the measured baseflow increase between two USGS gages on the Menomonee River, 90 head measurements taken in and around the valley during December 1999, and vertical gradients measured at five locations under the river and estuary in the valley. Recent construction of the Milwaukee Metropolitan Sewer District Inline Storage System (ISS) in the Silurian dolomite under the Menomonee Valley has locally lowered heads in the dolomite appreciably, below levels caused by historic pumping. The ISS is a regional hydraulic sink which removes water from the bedrock even during dry weather. The potential effect on flow directions in the shallow aquifer of dry-weather infiltration to the ISS was evaluated by adjusting the resistance of the line-sink strings representing the ISS in the model to allow infiltration from 0 to 100% of the reported 9,500 m<sup>3</sup>/d. The best fit to calibration targets was found between 60% (5,700 m<sup>3</sup>/d) and 80% (7,600 m<sup>3</sup>/d) of the reported dry-weather infiltration. At 60% infiltration, 65% of the recharge falling on the valley terminates at the ISS and 35% at the Menomonee River and estuary. At 80% infiltration, 73% of the recharge terminates at the ISS, and 27% at the river and estuary. Model simulations suggest that the ISS has an greater influence on the shallow ground-water flow in the eastern half of valley as compared to the western half. Preliminary three-dimensional simulations using the numerical MODFLOW code show good agreement with the single-layer simulation and supports its use in evaluating the shallow system. Copyright ASCE 2004.","largerWorkTitle":"Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges - Proceedings of the World Water and Environmental Resources Congress 2001","conferenceTitle":"World Water and Environmental Resources Congress 2001","conferenceDate":"20 May 2001 through 24 May 2001","conferenceLocation":"Orlando, FL","language":"English","doi":"10.1061/40569(2001)32","isbn":"0784405697; 9780784405697","usgsCitation":"Dunning, C.P., and Feinstein, D.T., 2004, Simulation of an urban ground-water-flow system in the Menomonee Valley, Milwaukee, Wisconsin using analytic element modeling, <i>in</i> Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges - Proceedings of the World Water and Environmental Resources Congress 2001, v. 111, Orlando, FL, 20 May 2001 through 24 May 2001, https://doi.org/10.1061/40569(2001)32.","costCenters":[],"links":[{"id":216210,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40569(2001)32"},{"id":244064,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"111","noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"505b9011e4b08c986b3192d7","contributors":{"authors":[{"text":"Dunning, C. P.","contributorId":35792,"corporation":false,"usgs":true,"family":"Dunning","given":"C.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":451114,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Feinstein, D. T.","contributorId":47328,"corporation":false,"usgs":true,"family":"Feinstein","given":"D.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":451115,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70026316,"text":"70026316 - 2004 - 3D near-to-surface conductivity reconstruction by inversion of VETEM data using the distorted Born iterative method","interactions":[],"lastModifiedDate":"2012-03-12T17:20:37","indexId":"70026316","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2103,"text":"Inverse Problems","active":true,"publicationSubtype":{"id":10}},"title":"3D near-to-surface conductivity reconstruction by inversion of VETEM data using the distorted Born iterative method","docAbstract":"Three-dimensional (3D) subsurface imaging by using inversion of data obtained from the very early time electromagnetic system (VETEM) was discussed. The study was carried out by using the distorted Born iterative method to match the internal nonlinear property of the 3D inversion problem. The forward solver was based on the total-current formulation bi-conjugate gradient-fast Fourier transform (BCCG-FFT). It was found that the selection of regularization parameter follow a heuristic rule as used in the Levenberg-Marquardt algorithm so that the iteration is stable.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Inverse Problems","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1088/0266-5611/20/6/S12","issn":"02665611","usgsCitation":"Wang, G., Chew, W., Cui, T., Aydiner, A., Wright, D., and Smith, D., 2004, 3D near-to-surface conductivity reconstruction by inversion of VETEM data using the distorted Born iterative method: Inverse Problems, v. 20, no. 6, https://doi.org/10.1088/0266-5611/20/6/S12.","costCenters":[],"links":[{"id":234005,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":208331,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1088/0266-5611/20/6/S12"}],"volume":"20","issue":"6","noUsgsAuthors":false,"publicationDate":"2004-11-09","publicationStatus":"PW","scienceBaseUri":"5059e25ce4b0c8380cd45af5","contributors":{"authors":[{"text":"Wang, G.L.","contributorId":96458,"corporation":false,"usgs":true,"family":"Wang","given":"G.L.","email":"","affiliations":[],"preferred":false,"id":408982,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chew, W.C.","contributorId":19730,"corporation":false,"usgs":true,"family":"Chew","given":"W.C.","email":"","affiliations":[],"preferred":false,"id":408977,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cui, T.J.","contributorId":72552,"corporation":false,"usgs":true,"family":"Cui","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":408979,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Aydiner, A.A.","contributorId":76088,"corporation":false,"usgs":true,"family":"Aydiner","given":"A.A.","affiliations":[],"preferred":false,"id":408980,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wright, D.L.","contributorId":88758,"corporation":false,"usgs":true,"family":"Wright","given":"D.L.","email":"","affiliations":[],"preferred":false,"id":408981,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Smith, D.V.","contributorId":31143,"corporation":false,"usgs":true,"family":"Smith","given":"D.V.","email":"","affiliations":[],"preferred":false,"id":408978,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70035315,"text":"70035315 - 2004 - Use of acoustic technology to define hydraulic characteristics of an estuary near the Mississippi Gulf Coast","interactions":[],"lastModifiedDate":"2012-03-12T17:21:53","indexId":"70035315","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Use of acoustic technology to define hydraulic characteristics of an estuary near the Mississippi Gulf Coast","docAbstract":"An Acoustic Doppler Current Profiler (ADCP) was used on the Jourdan River at Interstate Highway 10 near Kiln, Mississippi, in 1996 to measure three-dimensional velocity vectors and water depths and in 1998, in combination with a global positioning system, to define channel bathymetry in the vicinity of the bridge. During a 25-hour period on September 19-20, 1996, 117 consecutive measurements of stage and discharge were obtained throughout a complete tidal cycle. These measurements were obtained during the time of year when headwater flows were minimal, and, therefore, the tidal-affected flow conditions were noticeable. The stage ranged from only 0.7 to 2.8 ft above sea level, but discharge ranged from 3,980 ft<sup>3</sup>/s flowing upstream to 5,580 ft <sup>3</sup>/s flowing downstream. The average discharge during the 25-hour period was only 80 ft<sup>3</sup>/s flowing downstream. By using the ADCP, full downstream flow, bi-directional flow, and full upstream flow conditions were identified. If conventional measurement techniques had been used, the bi-directional flow conditions could not have been detected since flow direction would have been based on what was seen at the water surface. These measurements were used to define the lower range of the stage-storage-volume relation inland of the highway. On June 10, 1998, the ADCP, in combination with a global positional system, was used to define channel bathymetry for the river reach from about 3,500 ft upstream to about 2,500 ft downstream of the bridge. The bathymetry was compared to past soundings obtained in the vicinity of the bridge; as much as 18 ft of total scour was indicated to have occurred at a bridge pier. 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)305","isbn":"0784405174; 9780784405178","usgsCitation":"Van Wilson, K., 2004, Use of acoustic technology to define hydraulic characteristics of an estuary near the Mississippi Gulf Coast, <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)305.","costCenters":[],"links":[{"id":215461,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40517(2000)305"},{"id":243269,"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":"505bbea7e4b08c986b3296e8","contributors":{"authors":[{"text":"Van Wilson, K. Jr.","contributorId":62403,"corporation":false,"usgs":true,"family":"Van Wilson","given":"K.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":450148,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70035368,"text":"70035368 - 2004 - Identifying a base network of federally funded streamgaging stations","interactions":[],"lastModifiedDate":"2012-03-12T17:21:56","indexId":"70035368","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Identifying a base network of federally funded streamgaging stations","docAbstract":"The U.S. Geological Survey (USGS) has completed a preliminary analysis to identify streamgaging stations needed in a base network that would satisfy five primary Federal goals for collecting streamflow information. The five goals are (1) determining streamflow at interstate and international borders and at locations mandated by court decrees, (2) determining the streamflow component of water budgets for the major river basins of the Nation, (3) providing real-time streamflow information to the U.S. National Weather Service to support flood-forecasting activities, (4) providing streamflow information at locations of monitoring stations included in USGS national water-quality networks, and (5) providing streamflow information necessary for regionalization of streamflow characteristics and assessing potential long-term trends in streamflow associated with changes in climate. The analysis was done using a Geographic Information System. USGS headquarters staff made initial selections of stations that satisfied at least one of the five goals, and then staff in each of the 48 USGS district offices reviewed the selections, making suggestions for additions or changes based on detailed local knowledge of the streams in the area. The analysis indicated that 4,242 streamgaging stations are needed in the base network to meet the 5 Federal goals for streamflow information. Of these, 2,692 stations (63.5 percent) are currently operated by the USGS, 277 stations (6.5 percent) are currently operated by other agencies, 865 (20.4 percent) are discontinued USGS stations that need to be reactivated, and 408 (9.6 percent) are locations where new stations are needed. Copyright ASCE 2004.","largerWorkTitle":"Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges - Proceedings of the World Water and Environmental Resources Congress 2001","conferenceTitle":"World Water and Environmental Resources Congress 2001","conferenceDate":"20 May 2001 through 24 May 2001","conferenceLocation":"Orlando, FL","language":"English","doi":"10.1061/40569(2001)136","isbn":"0784405697; 9780784405697","usgsCitation":"Ries, K., Kolva, J., and Stewart, D.W., 2004, Identifying a base network of federally funded streamgaging stations, <i>in</i> Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges - Proceedings of the World Water and Environmental Resources Congress 2001, v. 111, Orlando, FL, 20 May 2001 through 24 May 2001, https://doi.org/10.1061/40569(2001)136.","costCenters":[],"links":[{"id":243044,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215254,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40569(2001)136"}],"volume":"111","noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"505a3846e4b0c8380cd614e3","contributors":{"authors":[{"text":"Ries, Kernell G. III kries@usgs.gov","contributorId":1913,"corporation":false,"usgs":true,"family":"Ries","given":"Kernell G.","suffix":"III","email":"kries@usgs.gov","affiliations":[{"id":502,"text":"Office of Surface Water","active":true,"usgs":true}],"preferred":false,"id":450357,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kolva, J.R.","contributorId":64264,"corporation":false,"usgs":true,"family":"Kolva","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":450358,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stewart, D. W.","contributorId":86194,"corporation":false,"usgs":true,"family":"Stewart","given":"D.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":450359,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70035449,"text":"70035449 - 2004 - Methods and guidelines for effective model calibration","interactions":[],"lastModifiedDate":"2012-03-12T17:21:54","indexId":"70035449","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Methods and guidelines for effective model calibration","docAbstract":"This paper briefly describes nonlinear regression methods, a set of 14 guidelines for model calibration, how they are implemented in and supported by two public domain computer programs, and a demonstration and a test of the methods and guidelines. 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)18","isbn":"0784405174; 9780784405178","usgsCitation":"Hill, M.C., 2004, Methods and guidelines for effective model calibration, <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)18.","costCenters":[],"links":[{"id":215501,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40517(2000)18"},{"id":243311,"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":"505a5586e4b0c8380cd6d220","contributors":{"authors":[{"text":"Hill, M. C.","contributorId":48993,"corporation":false,"usgs":true,"family":"Hill","given":"M.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":450728,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70026308,"text":"70026308 - 2004 - Preliminary results of a dam-removal analysis on brewster creek near st. Charles, Illinois, 2002-2004","interactions":[],"lastModifiedDate":"2012-03-12T17:20:23","indexId":"70026308","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Preliminary results of a dam-removal analysis on brewster creek near st. Charles, Illinois, 2002-2004","docAbstract":"The benefits of gradually removing a dam (through multiple notches) are to reduce the total project cost and reduce possible environmental effects by allowing the impounded sediment to slowly move downstream, and a stable stream and revegetated floodplain to form upstream. Notching, in this study of a dam on Brewster Creek, near St. Charles, Illinois, involves cutting a given height (in five 12-18 inch notches over approximately a 9 month period) across the length (or some portion of the length) of the dam. Brewster Creek is a tributary of the Fox River in northeastern, Illinois. Sediment, dissolved oxygen, and geomorphic response are being monitored before, during, and after a gradual (notching) removal of the dam. The study area includes the creek reach immediately below the dam and above the lake. Preliminary data analysis indicate that during and after the removal, the relation between the sediment transported to the study area from upstream and the sediment transported out of the study area remained relatively stable. This preliminary result indicates that the notching system created a fairly slow and predictable sediment transport response to storms, when compared to known upstream sediment loads. This result corresponds to the slow geomorphic response at the site since inception of the notching sequence in 2003. The creek responded to the five notches removed over the course of 9 months by gradually cutting through the former lakebed sediment to establish a meandering channel. Notchings did not appreciably affect dissolved oxygen concentrations in Brewster Creek.","largerWorkTitle":"Proceedings of the 2004 Self-Sustaining Solutions for Streams, Wetlands, and Watersheds Conference","conferenceTitle":"2004 Self-Sustaining Solutions for Streams, Westlands, and Watersheds Conference","conferenceDate":"12 September 2004 through 15 September 2004","conferenceLocation":"St Paul, MN","language":"English","isbn":"1892769441","usgsCitation":"Kosky, K., Straub, T.D., Roseboom, D., and Johnson, G., 2004, Preliminary results of a dam-removal analysis on brewster creek near st. Charles, Illinois, 2002-2004, <i>in</i> Proceedings of the 2004 Self-Sustaining Solutions for Streams, Wetlands, and Watersheds Conference, St Paul, MN, 12 September 2004 through 15 September 2004, p. 266-272.","startPage":"266","endPage":"272","numberOfPages":"7","costCenters":[],"links":[{"id":234433,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a8a65e4b0c8380cd7e04c","contributors":{"editors":[{"text":"D'Ambrosio J.L.","contributorId":128433,"corporation":true,"usgs":false,"organization":"D'Ambrosio J.L.","id":536591,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Kosky, K.M.","contributorId":62383,"corporation":false,"usgs":true,"family":"Kosky","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":408949,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Straub, T. D.","contributorId":88775,"corporation":false,"usgs":true,"family":"Straub","given":"T.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":408950,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Roseboom, D.P.","contributorId":44331,"corporation":false,"usgs":true,"family":"Roseboom","given":"D.P.","email":"","affiliations":[],"preferred":false,"id":408948,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Johnson, G.P.","contributorId":34554,"corporation":false,"usgs":true,"family":"Johnson","given":"G.P.","affiliations":[],"preferred":false,"id":408947,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70026311,"text":"70026311 - 2004 - An integrated geospatial approach to monitoring the Bering Glacier system, Alaska","interactions":[],"lastModifiedDate":"2012-03-12T17:20:24","indexId":"70026311","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"An integrated geospatial approach to monitoring the Bering Glacier system, Alaska","docAbstract":"The Bering Glacier is the largest and longest glacier in continental North America, with an area of approximately 5,175 km2, and a length of 190 km. It is also the largest surging glacier in America, having surged at least five times during the twentieth century. The last surge of the Bering Glacier occurred in 1993-1995, since then, the glacier has undergone constant and significant retreat thereby expanding the boundaries of Vitus Lake and creating a highly dynamic system, both ecologically and hydrologically. This study utilized GIS to integrate remote sensing observations, with detailed bathymetric, hydrographic and in situ water quality measurements of the rapidly expanding Vitus Lake. Vitus Lake has nearly doubled in surface area from 58.4 km2 to 108.8 km2, with a corresponding increase in water volume from 6.1 km3 to 10.5 km3 over the same period. The remote sensing observations were used to direct a systematic bathymetric, hydrographic and water quality measurement survey in Vitus Lake which revealed a complex three dimensional structure that is the result of sea water inflow, convection generated by ice melting and the injection of fresh water from beneath the glacier.","largerWorkTitle":"International Geoscience and Remote Sensing Symposium (IGARSS)","conferenceTitle":"2004 IEEE International Geoscience and Remote Sensing Symposium Proceedings: Science for Society: Exploring and Managing a Changing Planet. IGARSS 2004","conferenceDate":"20 September 2004 through 24 September 2004","conferenceLocation":"Anchorage, AK","language":"English","usgsCitation":"Josberger, E., Payne, J., Savage, S., Shuchman, R., and Meadows, G., 2004, An integrated geospatial approach to monitoring the Bering Glacier system, Alaska, <i>in</i> International Geoscience and Remote Sensing Symposium (IGARSS), v. 2, Anchorage, AK, 20 September 2004 through 24 September 2004, p. 1140-1143.","startPage":"1140","endPage":"1143","numberOfPages":"4","costCenters":[],"links":[{"id":234469,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ea80e4b0c8380cd488e5","contributors":{"authors":[{"text":"Josberger, E.G.","contributorId":61161,"corporation":false,"usgs":true,"family":"Josberger","given":"E.G.","email":"","affiliations":[],"preferred":false,"id":408959,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Payne, J.","contributorId":37126,"corporation":false,"usgs":true,"family":"Payne","given":"J.","affiliations":[],"preferred":false,"id":408956,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Savage, S.","contributorId":103049,"corporation":false,"usgs":true,"family":"Savage","given":"S.","email":"","affiliations":[],"preferred":false,"id":408960,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Shuchman, R.","contributorId":44719,"corporation":false,"usgs":true,"family":"Shuchman","given":"R.","email":"","affiliations":[],"preferred":false,"id":408958,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Meadows, G.","contributorId":38439,"corporation":false,"usgs":true,"family":"Meadows","given":"G.","email":"","affiliations":[],"preferred":false,"id":408957,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70026310,"text":"70026310 - 2004 - The Coso geothermal area: A laboratory for advanced MEQ studies for geothermal monitoring","interactions":[],"lastModifiedDate":"2023-01-31T18:05:27.872703","indexId":"70026310","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"The Coso geothermal area: A laboratory for advanced MEQ studies for geothermal monitoring","docAbstract":"<p>The permanent 16-station network of three-component digital seismometers at the Coso geothermal area, California, supplemented by 14 temporary instruments deployed in connection with the DOE Enhanced Geothermal Systems (EGS) Project, provides high-quality microearthquake (MEQ) recordings that are well suited to monitoring a producing geothermal area. We are currently using these data to investigate structure and active processes within the geothermal reservoir by applying three advanced methods: a) high-precision MEQ hypocenter location; b) time-dependent tomography; c) complete (moment tensor) MEQ source mechanism determination. Preliminary results to date resolve seismogenic structures in the producing field more clearly than is possible with conventional earthquake-location techniques. A shallow part of the producing field shows clear changes in the ratio of the seismic wave speeds, <i>V<sub>p</sub></i>/<i>V<sub>s</sub></i>, between 1996 and 2002, which are probably related to physical changes in the reservoir caused by fluid extraction.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Geothermal Resources Council Transactions","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"Geothermal Energy: The Reliable Renewable - Geothermal Resources Council 2004 Annual Meeting, GRC","conferenceDate":"August 29-September 1, 2004","conferenceLocation":"Indian Wells, California, United States","language":"English","publisher":"Geothermal Resources Council","issn":"01935933","usgsCitation":"Julian, B., Foulger, G., and Richards-Dinger, K., 2004, The Coso geothermal area: A laboratory for advanced MEQ studies for geothermal monitoring, <i>in</i> Geothermal Resources Council Transactions, v. 28, Indian Wells, California, United States, August 29-September 1, 2004, p. 403-405.","productDescription":"3 p.","startPage":"403","endPage":"405","costCenters":[],"links":[{"id":234468,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":412508,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.geothermal-library.org/index.php?mode=pubs&action=view&record=1022507"}],"country":"United States","state":"California","otherGeospatial":"Coso Geothermal Area, Coso Volcanic Field","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -117.9428256323103,\n              36.09078737099766\n            ],\n            [\n              -117.92016633055245,\n              35.979179875670326\n            ],\n            [\n              -117.89750702879459,\n              35.93304707841433\n            ],\n            [\n              -117.89476044676346,\n              35.909136361180586\n            ],\n            [\n              -117.8569949438338,\n              35.87242213045528\n            ],\n            [\n              -117.75605805418513,\n              35.904687058147786\n            ],\n            [\n              -117.75468476316959,\n              36.002513914194296\n            ],\n            [\n              -117.7485049535994,\n              36.09689067835505\n            ],\n            [\n              -117.9428256323103,\n              36.09078737099766\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"28","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba6efe4b08c986b3212e9","contributors":{"authors":[{"text":"Julian, B.R.","contributorId":101272,"corporation":false,"usgs":true,"family":"Julian","given":"B.R.","email":"","affiliations":[],"preferred":false,"id":408955,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Foulger, G.R.","contributorId":14439,"corporation":false,"usgs":false,"family":"Foulger","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":408953,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Richards-Dinger, K.","contributorId":37125,"corporation":false,"usgs":true,"family":"Richards-Dinger","given":"K.","affiliations":[],"preferred":false,"id":408954,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70035448,"text":"70035448 - 2004 - A web-enabled system for integrated assessment of watershed development","interactions":[],"lastModifiedDate":"2012-03-12T17:21:54","indexId":"70035448","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"A web-enabled system for integrated assessment of watershed development","docAbstract":"Researchers at Virginia Tech have put together the primary structure of a web enabled integrated modeling system that has potential to be a planning tool to help decision makers and stakeholders in making appropriate watershed management decisions. This paper describes the integrated system, including data sources, collection, analysis methods, system software and design, and issues of integrating the various component models. The integrated system has three modeling components, namely hydrology, economics, and fish health, and is accompanied by descriptive 'help files.' Since all three components have a related spatial aspect, GIS technology provides the integration platform. When completed, a user will access the integrated system over the web to choose pre-selected land development patterns to create a 'what if' scenario using an easy-to-follow interface. The hydrologic model simulates effects of the scenario on annual runoff volume, flood peaks of various return periods, and ground water recharge. The economics model evaluates tax revenue and fiscal costs as a result of a new land development scenario. The fish health model evaluates effects of new land uses in zones of influence to the health of fish populations in those areas. Copyright ASCE 2004.","largerWorkTitle":"Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges - Proceedings of the World Water and Environmental Resources Congress 2001","conferenceTitle":"World Water and Environmental Resources Congress 2001","conferenceDate":"20 May 2001 through 24 May 2001","conferenceLocation":"Orlando, FL","language":"English","doi":"10.1061/40569(2001)113","isbn":"0784405697; 9780784405697","usgsCitation":"Dymond, R., Lohani, V., Regmi, B., and Dietz, R., 2004, A web-enabled system for integrated assessment of watershed development, <i>in</i> Bridging the Gap: Meeting the World's Water and Environmental Resources Challenges - Proceedings of the World Water and Environmental Resources Congress 2001, v. 111, Orlando, FL, 20 May 2001 through 24 May 2001, https://doi.org/10.1061/40569(2001)113.","costCenters":[],"links":[{"id":215500,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/40569(2001)113"},{"id":243310,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"111","noUsgsAuthors":false,"publicationDate":"2012-04-26","publicationStatus":"PW","scienceBaseUri":"5059e61de4b0c8380cd47183","contributors":{"authors":[{"text":"Dymond, R.","contributorId":44754,"corporation":false,"usgs":true,"family":"Dymond","given":"R.","email":"","affiliations":[],"preferred":false,"id":450726,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lohani, V.","contributorId":23351,"corporation":false,"usgs":true,"family":"Lohani","given":"V.","email":"","affiliations":[],"preferred":false,"id":450725,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Regmi, B.","contributorId":58860,"corporation":false,"usgs":true,"family":"Regmi","given":"B.","email":"","affiliations":[],"preferred":false,"id":450727,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dietz, R.","contributorId":17061,"corporation":false,"usgs":true,"family":"Dietz","given":"R.","email":"","affiliations":[],"preferred":false,"id":450724,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70026318,"text":"70026318 - 2004 - Modification of pure oxygen absorption equipment for concurrent stripping of carbon dioxide","interactions":[],"lastModifiedDate":"2012-03-12T17:20:37","indexId":"70026318","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2004","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Modification of pure oxygen absorption equipment for concurrent stripping of carbon dioxide","docAbstract":"The high solubility of carbon dioxide precludes significant desorption within commercial oxygen absorption equipment. This operating characteristic of the equipment limits its application in recirculating water culture systems despite its ability to significantly increase allowable fish loading rates (kg/(L min)). Carbon dioxide (DC) is typically removed by air stripping. This process requires a significant energy input for forced air movement, air heating in cold climates and water pumping. We developed a modification for a spray tower that provides for carbon dioxide desorption as well as oxygen absorption. Elimination of the air-stripping step reduces pumping costs while allowing dissolved nitrogen to drop below saturation concentrations. This latter response provides for an improvement in oxygen absorption efficiency within the spray tower. DC desorption is achieved by directing head-space gases from the spray tower (O2, N2, CO2) through a sealed packed tower scrubber receiving a 2 N NaOH solution. Carbon dioxide is selectively removed from the gas stream, by chemical reaction, forming the product Na 2CO3. Scrubber off-gas, lean with regard to carbon dioxide but still rich with oxygen, is redirected through the spray tower for further stripping of DC and absorption of oxygen. Make-up NaOH is metered into the scrubbing solution sump on an as needed basis as directed by a feedback control loop programmed to maintain a scrubbing solution pH of 11.4-11.8. The spent NaOH solution is collected, then regenerated for reuse, in a batch process that requires relatively inexpensive hydrated lime (Ca(OH)2). A by-product of the regeneration step is an alkaline filter cake, which may have use in bio-solids stabilization. Given the enhanced gas transfer rates possible with chemical reaction, the required NaOH solution flow rate through the scrubber represents a fraction of the spray tower water flow rate. Further, isolation of the water being treated from the atmosphere (1), allows for an improvement in oxygen absorption efficiency by maintaining DN well below local saturation concentrations (2), minimizes building energy requirements related to heating and ventilation and (3), reduces the potential for pathogen transmittance. We report on the performance of a test scrubber evaluated over a range of NaOH solution temperatures, pH, packing irrigation rates, and gas stream compositions. We also describe our experience with the process in a pilot scale recirculating water (trout) production system.","largerWorkTitle":"Aquacultural Engineering","language":"English","doi":"10.1016/j.aquaeng.2004.03.010","issn":"01448609","usgsCitation":"Watten, B., Sibrell, P., Montgomery, G., and Tsukuda, S., 2004, Modification of pure oxygen absorption equipment for concurrent stripping of carbon dioxide, <i>in</i> Aquacultural Engineering, v. 32, no. 1, p. 183-208, https://doi.org/10.1016/j.aquaeng.2004.03.010.","startPage":"183","endPage":"208","numberOfPages":"26","costCenters":[],"links":[{"id":478274,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.aquaeng.2004.03.010","text":"Publisher Index Page"},{"id":208348,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.aquaeng.2004.03.010"},{"id":234042,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"32","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5cb0e4b0c8380cd6fe9b","contributors":{"authors":[{"text":"Watten, B.J. 0000-0002-2227-8623","orcid":"https://orcid.org/0000-0002-2227-8623","contributorId":11537,"corporation":false,"usgs":true,"family":"Watten","given":"B.J.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":408987,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sibrell, P.L.","contributorId":13343,"corporation":false,"usgs":true,"family":"Sibrell","given":"P.L.","affiliations":[],"preferred":false,"id":408988,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Montgomery, G.A.","contributorId":102248,"corporation":false,"usgs":true,"family":"Montgomery","given":"G.A.","email":"","affiliations":[],"preferred":false,"id":408990,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tsukuda, S.M.","contributorId":70157,"corporation":false,"usgs":true,"family":"Tsukuda","given":"S.M.","email":"","affiliations":[],"preferred":false,"id":408989,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
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