{"pageNumber":"1153","pageRowStart":"28800","pageSize":"25","recordCount":46734,"records":[{"id":58482,"text":"mf2348 - 2000 - Log and data from a trench across the Hubbell Spring Fault Zone, Bernalillo County, New Mexico","interactions":[],"lastModifiedDate":"2017-03-02T15:24:13","indexId":"mf2348","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2348","title":"Log and data from a trench across the Hubbell Spring Fault Zone, Bernalillo County, New Mexico","docAbstract":"<p>This report contains field and laboratory data resulting from a trench study of the Hubbell Spring fault zone near Albuquerque, New Mexico. This trench was excavated in September, 1997, as part of earthquake hazards investigations of Quaternary faults in the Albuquerque metropolitan area. The trench was excavated across the youngest of several fault strands near the northern end of the Hubbell Spring fault zone. The site is located on Pueblo of Isleta tribal lands, approximately 1 km south of the southern boundary of Kirtland Air Force Base. Thus the paleoearthquake data derived from investigations at the Hubbell Spring site will be useful in assessing potential earthquake hazards in Isleta Pueblo, Kirtland Air Force Base/Sandia National Laboratories, and the Albuquerque metropolitan area. The purpose of this report is to present a detailed trench log, a scarp profile, soils data (table 1), magnetic susceptibility data (table 2), luminescence and uranium-series ages (tables 3 and 4), and detailed unit descriptions (table 5) obtained in this investigation. S.F. Personius had primary responsibility for siting, excavating, describing, and interpreting the trench; S.A. Mahan did the luminescence dating, and James B. Paces did the uranium-series dating. M.C. Eppes and D.W. Love assisted with trench logging and mapping; and M.C. Eppes, D.K. Mitchell, and A. Murphy did the soils analyses.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/mf2348","usgsCitation":"Personius, S., Eppes, M., Mahan, S., Love, D., Mitchell, D., and Murphy, A., 2000, Log and data from a trench across the Hubbell Spring Fault Zone, Bernalillo County, New Mexico (Version 1.0): U.S. Geological Survey Miscellaneous Field Studies Map 2348, https://doi.org/10.3133/mf2348.","costCenters":[],"links":[{"id":181872,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":5802,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/mf/2000/mf-2348/","linkFileType":{"id":5,"text":"html"}},{"id":110142,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34509.htm","linkFileType":{"id":5,"text":"html"},"description":"34509"}],"scale":"0","country":"United States","state":"New Mexico","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -107,34.75 ], [ -107,35.5 ], [ -106.25,35.5 ], [ -106.25,34.75 ], [ -107,34.75 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a69e4b07f02db63c033","contributors":{"authors":[{"text":"Personius, S. F. 0000-0001-8347-7370","orcid":"https://orcid.org/0000-0001-8347-7370","contributorId":31408,"corporation":false,"usgs":true,"family":"Personius","given":"S. F.","affiliations":[],"preferred":false,"id":259411,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eppes, M.C.","contributorId":39450,"corporation":false,"usgs":true,"family":"Eppes","given":"M.C.","email":"","affiliations":[],"preferred":false,"id":259412,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mahan, S. A. 0000-0001-5214-7774","orcid":"https://orcid.org/0000-0001-5214-7774","contributorId":94333,"corporation":false,"usgs":true,"family":"Mahan","given":"S. A.","affiliations":[],"preferred":false,"id":259415,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Love, D.W.","contributorId":52176,"corporation":false,"usgs":true,"family":"Love","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":259413,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mitchell, D.K.","contributorId":56721,"corporation":false,"usgs":true,"family":"Mitchell","given":"D.K.","email":"","affiliations":[],"preferred":false,"id":259414,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Murphy, Anne","contributorId":97985,"corporation":false,"usgs":true,"family":"Murphy","given":"Anne","email":"","affiliations":[],"preferred":false,"id":259416,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":23571,"text":"ofr2000105B - 2000 - Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California","interactions":[],"lastModifiedDate":"2021-11-17T22:57:14.74313","indexId":"ofr2000105B","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","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":"2000-105","chapter":"B","title":"Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California","docAbstract":"<p>In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management's (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM's Coordinated Management Plan for the area. This report presents analytical data from this study. To provide comprehensive coverage of the NECD, we compiled and examined all available geochemical data, in digital form, from previous studies in the area, and made sample-site plots to aid in determining where sample-site coverage and analyses were sufficient, which samples should be re-analyzed, and where additional sampling was needed. Previous investigations conducted in parts of the current study area included the National Uranium Resource Evaluation (NURE) program studies of the Needles and Salton Sea 1° x 2° quadrangles; USGS studies of 12 BLM Wilderness Study Areas (WSAs) (Big Maria Mountains, Chemehuevi Mountains, Chuckwalla Mountains, Coxcomb Mountains, Mecca Hills, Orocopia Mountains, Palen-McCoy, Picacho Peak, Riverside Mountains, Sheephole Valley (also known as Sheep Hole/Cadiz), Turtle Mountains, and Whipple Mountains); and USGS studies in the Needles and El Centro 1° x 2° quadrangles done during the early 1990s as part of a project to identify the regional geochemistry of southern California. Areas where we did new sampling of rocks and stream sediments are mainly in the Chocolate Mountain Aerial Gunnery Range and in Joshua Tree National Park, which extends into the west-central part of the NECD, as shown in figure 1 and figure 2. This report contains analytical data for 132 rock samples and 1,245 stream-sediment samples collected by the USGS, and 362 stream-sediment samples and 189 soil samples collected during the NURE program. All samples are from the Northern and Eastern Colorado Desert BLM Resource Area and vicinity. Included in the 1,245 stream-sediment samples collected by the USGS are 284 samples collected as part of the current study, 817 samples collected as part of investigations of the12 BLM WSAs and re-analyzed for the present study, 45 samples from the Needles 1° x 2° quadrangle, and 99 samples from the El Centro 1° x 2° quadrangle. The NURE stream-sediment and soil samples were re-analyzed as part of the USGS study in the Needles quadrangle. Analytical data for samples from the Chocolate Mountain Aerial Gunnery Range, which is located within the area of the NECD, were previously reported (King and Chaffee, 1999a). For completeness, these results are also included in this report. Analytical data for samples from the area of Joshua Tree National Park that is within the NECD have also been reported (King and Chaffee, 1999b). These results are not included in this report. The analytical data presented here can be used for baseline geochemical, mineral resource, and environmental geochemical studies.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr2000105B","issn":"0094-9140","usgsCitation":"King, H.D., and Chaffee, M.A., 2000, Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California: U.S. Geological Survey Open-File Report 2000-105, 9 p., https://doi.org/10.3133/ofr2000105B.","productDescription":"9 p.","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":156441,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":391839,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23460.htm"},{"id":1633,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0105/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"California","county":"Imperial County, Riverside County, San Bernardino County","otherGeospatial":"Northern and Eastern Colorado Desert BLM Resource Area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -116.25,\n              32.7\n            ],\n            [\n              -114.167,\n              32.7\n            ],\n            [\n              -114.167,\n              34.917\n            ],\n            [\n              -116.25,\n              34.917\n            ],\n            [\n              -116.25,\n              32.7\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acde4b07f02db67f3ec","contributors":{"authors":[{"text":"King, Harley D. hking@usgs.gov","contributorId":4046,"corporation":false,"usgs":true,"family":"King","given":"Harley","email":"hking@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":190335,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chaffee, Maurice A. mchaffee@usgs.gov","contributorId":4047,"corporation":false,"usgs":true,"family":"Chaffee","given":"Maurice","email":"mchaffee@usgs.gov","middleInitial":"A.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":190336,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":66537,"text":"i2722 - 2000 - Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri","interactions":[],"lastModifiedDate":"2012-02-10T00:11:21","indexId":"i2722","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2722","subseriesTitle":"GIS","title":"Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri","docAbstract":"The geology of the Powder Mill Ferry 7 1/2-minute\r\n      quadrangle ,\r\n      Shannon and Reynolds Counties, Missouri was mapped from\r\n      1997 through 1998 as part of the Midcontinent Karst Systems\r\n      and Geologic\r\n      Mapping Project, Eastern Earth Surface Processes Team. The\r\n      map supports the production of a geologic framework that\r\n      will be used in hydrogeologic investigations related to\r\n      potential lead and zinc mining in the Mark Twain National\r\n      Forest adjacent to the Ozark National Scenic Riverways\r\n      (National Park Service). Digital geologic coverages will be\r\n      used by other federal and state agencies in hydrogeologic\r\n      analyses of the Ozark karst system and in ecological models.","language":"ENGLISH","doi":"10.3133/i2722","usgsCitation":"McDowell, R., Harrison, R., and Lagueux, K.M., 2000, Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri (Version 1.0.): U.S. Geological Survey IMAP 2722, map, https://doi.org/10.3133/i2722.","productDescription":"map","costCenters":[],"links":[{"id":187802,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":6127,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/imap/i-2722/","linkFileType":{"id":5,"text":"html"}},{"id":110139,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34355.htm","linkFileType":{"id":5,"text":"html"},"description":"34355"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -91.25,37.1175 ], [ -91.25,37.25 ], [ -91.11749999999999,37.25 ], [ -91.11749999999999,37.1175 ], [ -91.25,37.1175 ] ] ] } } ] }","edition":"Version 1.0.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b4652","contributors":{"authors":[{"text":"McDowell, Robert C.","contributorId":88345,"corporation":false,"usgs":true,"family":"McDowell","given":"Robert C.","affiliations":[],"preferred":false,"id":274678,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harrison, Richard W. rharriso@usgs.gov","contributorId":544,"corporation":false,"usgs":true,"family":"Harrison","given":"Richard W.","email":"rharriso@usgs.gov","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":274676,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lagueux, Kerry M.","contributorId":18799,"corporation":false,"usgs":true,"family":"Lagueux","given":"Kerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":274677,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":6542,"text":"ds64 - 2000 - USGS mineral deposit models","interactions":[],"lastModifiedDate":"2018-10-25T18:17:55","indexId":"ds64","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"64","title":"USGS mineral deposit models","docAbstract":"<p>This CD-ROM publication is a compilation of 29 previously published mineral deposit model and related reports of the USGS. It in part reflects a history of mineral deposit model development within the USGS. Model types presented include descriptive, grade-tonnage, geoenvironmental, and geophysical. These models generally compile the geologic, geochemical, and geophysical characteristics of various types of metallic and nonmetallic mineral deposits. The models list attributes intended as guides for resource and geoenvironmental studies and for mineral exploration. They are presented using the lithologic-tectonic environmental mineral deposit classification scheme originally developed by Cox and Singer (1986).</p>","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ds64","isbn":"0607949201","usgsCitation":"Heran, W.D., 2000, USGS mineral deposit models (Version 1.0.): U.S. Geological Survey Data Series 64, 1 computer optical disc ;4 3/4 in., https://doi.org/10.3133/ds64.","productDescription":"1 computer optical disc ;4 3/4 in.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":140182,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":310195,"rank":1,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/ds/064/application.zip","linkFileType":{"id":6,"text":"zip"}}],"edition":"Version 1.0.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae3e4b07f02db6890a1","contributors":{"editors":[{"text":"Stoeser, D. B.","contributorId":18735,"corporation":false,"usgs":true,"family":"Stoeser","given":"D.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":749874,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Heran, William D. wheran@usgs.gov","contributorId":2246,"corporation":false,"usgs":true,"family":"Heran","given":"William","email":"wheran@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":152896,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5497,"text":"fs10400 - 2000 - Obtaining Streamflow Statistics for Massachusetts Streams on the World Wide Web","interactions":[],"lastModifiedDate":"2012-03-08T17:16:14","indexId":"fs10400","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","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":"104-00","title":"Obtaining Streamflow Statistics for Massachusetts Streams on the World Wide Web","docAbstract":"A World Wide Web application has been developed to make it easy to obtain streamflow statistics for user-selected locations on Massachusetts streams. The Web application, named STREAMSTATS (available at http://water.usgs.gov/osw/streamstats/massachusetts.html ), can provide peak-flow frequency, low-flow frequency, and flow-duration statistics for most streams in Massachusetts. These statistics describe the magnitude (how much), frequency (how often), and duration (how long) of flow in a stream.\r\n\r\nThe U.S. Geological Survey (USGS) has published streamflow statistics, such as the 100-year peak flow, the 7-day, 10-year low flow, and flow-duration statistics, for its data-collection stations in numerous reports. Federal, State, and local agencies need these statistics to plan and manage use of water resources and to regulate activities in and around streams. Engineering and environmental consulting firms, utilities, industry, and others use the statistics to design and operate water-supply systems, hydropower facilities, industrial facilities, wastewater treatment facilities, and roads, bridges, and other structures. Until now, streamflow statistics for data-collection stations have often been difficult to obtain because they are scattered among many reports, some of which are not readily available to the public. In addition, streamflow statistics are often needed for locations where no data are available. STREAMSTATS helps solve these problems.\r\n\r\nSTREAMSTATS was developed jointly by the USGS and MassGIS, the State Geographic Information Systems (GIS) agency, in cooperation with the Massachusetts Departments of Environmental Management and Environmental Protection. The application consists of three major components: (1) a user interface that displays maps and allows users to select stream locations for which they want streamflow statistics (fig. 1), (2) a data base of previously published streamflow statistics and descriptive information for 725 USGS data-collection stations, and (3) an automated procedure that determines characteristics of the land-surface area (basin) that drains to the stream and inserts those characteristics into equations that estimate the streamflow statistics. Each of these components is described and guidance for using STREAMSTATS is provided below.","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/fs10400","usgsCitation":"Ries, K., Steeves, P.A., Freeman, A., and Singh, R., 2000, Obtaining Streamflow Statistics for Massachusetts Streams on the World Wide Web: U.S. Geological Survey Fact Sheet 104-00, 4 p., https://doi.org/10.3133/fs10400.","productDescription":"4 p.","costCenters":[{"id":377,"text":"Massachusetts-Rhode Island Water Science Center","active":false,"usgs":true}],"links":[{"id":125011,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_104_00.bmp"},{"id":675,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://ma.water.usgs.gov/publications/fs10400/","linkFileType":{"id":5,"text":"html"}},{"id":9652,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/fs104-00/pdf/fs_104_00.pdf","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afce4b07f02db696461","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":151084,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Steeves, Peter A. 0000-0001-7558-9719 psteeves@usgs.gov","orcid":"https://orcid.org/0000-0001-7558-9719","contributorId":1873,"corporation":false,"usgs":true,"family":"Steeves","given":"Peter","email":"psteeves@usgs.gov","middleInitial":"A.","affiliations":[{"id":41514,"text":"Maryland-Delaware-District of Columbia  Water Science Center","active":true,"usgs":true}],"preferred":true,"id":151083,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Freeman, Aleda","contributorId":45302,"corporation":false,"usgs":true,"family":"Freeman","given":"Aleda","email":"","affiliations":[],"preferred":false,"id":151085,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Singh, Raj","contributorId":104044,"corporation":false,"usgs":true,"family":"Singh","given":"Raj","email":"","affiliations":[],"preferred":false,"id":151086,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":31257,"text":"ofr01108 - 2000 - Planktic foraminifer census data from the northwestern Gulf of Mexico","interactions":[],"lastModifiedDate":"2023-08-30T18:25:46.416106","indexId":"ofr01108","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","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":"2001-108","title":"Planktic foraminifer census data from the northwestern Gulf of Mexico","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr01108","usgsCitation":"Dowsett, H.J., and Poore, R.Z., 2000, Planktic foraminifer census data from the northwestern Gulf of Mexico: U.S. Geological Survey Open-File Report 2001-108, 6 p., https://doi.org/10.3133/ofr01108.","productDescription":"6 p.","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":59713,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2001/0108/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":160777,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2001/0108/report-thumb.jpg"},{"id":420312,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_38745.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","otherGeospatial":"Gulf of Mexico","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -90.55443900896498,\n              28.958718306039103\n            ],\n            [\n              -95.33621660338923,\n              28.701256021591618\n            ],\n            [\n              -96.9418730057119,\n              27.1817863889313\n            ],\n            [\n              -90.52950448611719,\n              27.26555715695214\n            ],\n            [\n              -90.55443900896498,\n              28.958718306039103\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adae4b07f02db6855a6","contributors":{"authors":[{"text":"Dowsett, Harry J. 0000-0003-1983-7524 hdowsett@usgs.gov","orcid":"https://orcid.org/0000-0003-1983-7524","contributorId":949,"corporation":false,"usgs":true,"family":"Dowsett","given":"Harry","email":"hdowsett@usgs.gov","middleInitial":"J.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":205497,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Poore, Richard Z. rpoore@usgs.gov","contributorId":147454,"corporation":false,"usgs":true,"family":"Poore","given":"Richard","email":"rpoore@usgs.gov","middleInitial":"Z.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":205496,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70188630,"text":"70188630 - 2000 - Ethoxyresorufin-O-deethylase (EROD) activity in fish as a biomarker of chemical exposure","interactions":[],"lastModifiedDate":"2017-06-19T13:41:37","indexId":"70188630","displayToPublicDate":"2000-11-30T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5427,"text":"Critical Reviews in Toxicology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Ethoxyresorufin-<i>O</i>-deethylase (EROD) activity in fish as a biomarker of chemical exposure","title":"Ethoxyresorufin-O-deethylase (EROD) activity in fish as a biomarker of chemical exposure","docAbstract":"<p><span>This review compiles and evaluates existing scientific information on the use, limitations, and procedural considerations for EROD activity (a catalytic measurement of cytochrome P4501A induction) as a biomarker in fish. A multitude of chemicals induce EROD activity in a variety of fish species, the most potent inducers being structural analogs of 2,3,7,8-tetracholordibenzo-</span><i>p</i><span>-dioxin. Although certain chemicals may inhibit EROD induction/activity, this interference is generally not a drawback to the use of EROD induction as a biomarker. The various methods of EROD analysis currently in use yield comparable results, particularly when data are expressed as relative rates of EROD activity. EROD induction in fish is well characterized, the most important modifying factors being fish species, reproductive status and age, all of which can be controlled through proper study design. Good candidate species for biomonitoring should have a wide range between basal and induced EROD activity (e.g., common carp, channel catfish, and mummichog). EROD activity has proven value as a biomarker in a number of field investigations of bleached kraft mill and industrial effluents, contaminated sediments, and chemical spills. Research on mechanisms of CYP1A-induced toxicity suggests that EROD activity may not only indicate chemical exposure, but also may also precede effects at various levels of biological organization. A current research need is the development of chemical exposure-response relationships for EROD activity in fish. In addition, routine reporting in the literature of EROD activity in standard positive and negative control material will enhance confidence in comparing results from different studies using this biomarker.</span></p>","language":"English","publisher":"CRC Press","doi":"10.1080/10408440091159239","usgsCitation":"Whyte, J., Jung, R., Schmitt, C., and Tillitt, D.E., 2000, Ethoxyresorufin-O-deethylase (EROD) activity in fish as a biomarker of chemical exposure: Critical Reviews in Toxicology, v. 30, no. 4, p. 347-570, https://doi.org/10.1080/10408440091159239.","productDescription":"224 p.","startPage":"347","endPage":"570","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":342643,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"4","noUsgsAuthors":false,"publicationDate":"2008-09-29","publicationStatus":"PW","scienceBaseUri":"5948e2a8e4b062508e354c82","contributors":{"authors":[{"text":"Whyte, J.J.","contributorId":34716,"corporation":false,"usgs":true,"family":"Whyte","given":"J.J.","email":"","affiliations":[],"preferred":false,"id":698667,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jung, R.E.","contributorId":66213,"corporation":false,"usgs":true,"family":"Jung","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":698668,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schmitt, C. J. 0000-0001-6804-2360","orcid":"https://orcid.org/0000-0001-6804-2360","contributorId":56339,"corporation":false,"usgs":true,"family":"Schmitt","given":"C. J.","affiliations":[],"preferred":false,"id":698669,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tillitt, D. E.","contributorId":83462,"corporation":false,"usgs":true,"family":"Tillitt","given":"D.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":698670,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70243618,"text":"70243618 - 2000 - Spherical and ellipsoidal volcanic sources at Long Valley caldera, California, using a genetic algorithm inversion technique","interactions":[],"lastModifiedDate":"2023-05-15T16:30:43.19969","indexId":"70243618","displayToPublicDate":"2000-11-14T11:25:06","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2499,"text":"Journal of Volcanology and Geothermal Research","active":true,"publicationSubtype":{"id":10}},"title":"Spherical and ellipsoidal volcanic sources at Long Valley caldera, California, using a genetic algorithm inversion technique","docAbstract":"<p><span>We model the second inflation period at Long Valley caldera, California using a genetic algorithm technique and high quality geodetic measurements of elevation changes and baseline extensions. We compare two source inversions for both spherical Mogi point sources and the finite prolate ellipsoid of Yang and Davis. A sensitivity analysis for the genetic algorithm is performed based upon synthetic data set inversions on similar sources in order to better constrain the areal location, orientation, and volume of the potential sources. The spherical sources are well constrained, the larger located at 9.9</span><span>&nbsp;</span><span>km beneath the resurgent dome, with a volume of 0.036</span><span>&nbsp;</span><span>km</span><sup>3</sup><span>, while the second, at only 0.008</span><span>&nbsp;</span><span>km</span><sup>3</sup><span>, is located at a depth of 7.3</span><span>&nbsp;</span><span>km beneath the south moat. The depths to the ellipsoidal sources are switched, with the larger source at a depth of 9.6</span><span>&nbsp;</span><span>km and the smaller at 11.8</span><span>&nbsp;</span><span>km, with volumes of 0.037 and 0.002</span><span>&nbsp;</span><span>km</span><sup>3</sup><span>, respectively.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/S0377-0273(00)00185-2","usgsCitation":"Tiampo, K., Rundle, J.B., Fernandez, J., and Langbein, J.O., 2000, Spherical and ellipsoidal volcanic sources at Long Valley caldera, California, using a genetic algorithm inversion technique: Journal of Volcanology and Geothermal Research, v. 102, no. 3-4, p. 189-206, https://doi.org/10.1016/S0377-0273(00)00185-2.","productDescription":"18 p.","startPage":"189","endPage":"206","costCenters":[],"links":[{"id":417040,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Long Valley caldera","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -119.18522537937804,\n              37.914311779585745\n            ],\n            [\n              -119.18522537937804,\n              37.60012368276372\n            ],\n            [\n              -118.52734559225568,\n              37.60012368276372\n            ],\n            [\n              -118.52734559225568,\n              37.914311779585745\n            ],\n            [\n              -119.18522537937804,\n              37.914311779585745\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"102","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Tiampo, K.","contributorId":305397,"corporation":false,"usgs":false,"family":"Tiampo","given":"K.","affiliations":[],"preferred":false,"id":872633,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rundle, J. B.","contributorId":17766,"corporation":false,"usgs":false,"family":"Rundle","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":872634,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fernandez, J.","contributorId":46229,"corporation":false,"usgs":true,"family":"Fernandez","given":"J.","affiliations":[],"preferred":false,"id":872635,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Langbein, J. O.","contributorId":39404,"corporation":false,"usgs":true,"family":"Langbein","given":"J.","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":872636,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":24062,"text":"ofr0099 - 2000 - Water-quality data for streams in the Boulder River Watershed, Jefferson County, Montana","interactions":[],"lastModifiedDate":"2020-03-22T11:49:26","indexId":"ofr0099","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-99","title":"Water-quality data for streams in the Boulder River Watershed, Jefferson County, Montana","docAbstract":"<p>Chemical data were collected in the Boulder River watershed of southwestern Montana during 1996-99 as part of a detailed interdisciplinary study characterizing the effects of historical inactive mines on streams in the watershed. This report presents water-quality data collected by the U.S. Geological Survey for physical properties, major ions, nutrients, and trace elements for 62 sites in and near the watershed. Supplementary historical water-quality data for 83 sites also are presented.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr0099","issn":"0094-9140","collaboration":"Prepared in cooperation with the U.S. Department of Agriculture-Forest Service","usgsCitation":"Nimick, D.A., and Cleasby, T., 2000, Water-quality data for streams in the Boulder River Watershed, Jefferson County, Montana: U.S. Geological Survey Open-File Report 2000-99, iv, 70 p., https://doi.org/10.3133/ofr0099.","productDescription":"iv, 70 p.","costCenters":[{"id":102,"text":"Abandoned Mine Lands Initiative","active":false,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":156779,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0099/report-thumb.jpg"},{"id":53236,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0099/report.pdf","text":"Report","size":"1.08 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Montana","county":"Jefferson County","otherGeospatial":"Boulder River Watershed","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -112.4066162109375, 46.2 ], [ -111.79412841796875, 46.2 ], [ -111.79412841796875, 46.5720787149159 ], [ -112.4066162109375, 46.5720787149159 ], [ -112.4066162109375, 46.2 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e3e4b07f02db5e58b8","contributors":{"authors":[{"text":"Nimick, David A. dnimick@usgs.gov","contributorId":421,"corporation":false,"usgs":true,"family":"Nimick","given":"David","email":"dnimick@usgs.gov","middleInitial":"A.","affiliations":[{"id":573,"text":"Special Applications Science Center","active":true,"usgs":true},{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"preferred":true,"id":191241,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cleasby, Thomas E. 0000-0003-0694-1541","orcid":"https://orcid.org/0000-0003-0694-1541","contributorId":21993,"corporation":false,"usgs":true,"family":"Cleasby","given":"Thomas E.","affiliations":[],"preferred":false,"id":191242,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":23971,"text":"ofr99228 - 2000 - Surveys of water velocities in the vicinity of the discharge-release gates of Salamonie Lake Dam, northeastern Indiana, spring and winter 1998","interactions":[],"lastModifiedDate":"2016-06-21T11:45:32","indexId":"ofr99228","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"99-228","title":"Surveys of water velocities in the vicinity of the discharge-release gates of Salamonie Lake Dam, northeastern Indiana, spring and winter 1998","docAbstract":"<p>Two water-velocity surveys in the vicinity of the discharge-release gates were performed at the Salamonie Lake flood-control reservoir in northeastern Indiana during periods of high-discharge release. One survey was done in the spring when the reservoir pool was at high elevation; the other survey was in the winter when the reservoir pool was low.</p>\n<p>The maximum measured velocity was 2.4 feet per second for the spring survey and 1.9 feet per second for the winter survey. The maximum measured velocities occurred in the immediate vicinity of the spillway tower containing the discharge-release gates. Velocity-field magnitudes diminished rapidly with distance from the tower. Beyond an estimated 40 feet from the tower, velocity magnitudes were below 0.5 feet per second.</p>\n<p>For the spring and winter surveys, data were collected along four transects that were parallel to the face of the spillway tower. The transects were at the following approximate distances from the spillway tower: 900, 600, and 300 feet and as close to the tower as practical. For the spring and winter surveys, velocity-contour plots were produced for the transects closest to the tower. Plots were not made for the transects at 900-, 600-, and 300-foot intervals because velocities were negligible at these distances.</p>\n<p>An acoustic Doppler current profiler (ADCP) mounted on a boat was used to collect velocity and depth data and to compute positions of the velocity and depth data relative to the boat track. A global positioning system (GPS) was used to collect earth-referenced position data, and a GPS base station receiver was used to improve the accuracy of the earth-referenced position data. The earth-referenced position data were used to transform the ADCP-computed positions (which were relative to boat tracks) to positions referenced to a point on the spillway tower.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Indianapolis, IN","doi":"10.3133/ofr99228","issn":"0094-9140","collaboration":"U.S. Army Corps of Engineers","usgsCitation":"Morlock, S.E., and Stewart, J., 2000, Surveys of water velocities in the vicinity of the discharge-release gates of Salamonie Lake Dam, northeastern Indiana, spring and winter 1998: U.S. Geological Survey Open-File Report 99-228, iv, 11 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr99228.","productDescription":"iv, 11 p. :ill., maps ;28 cm.","startPage":"1","endPage":"11","numberOfPages":"15","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":346,"text":"Indiana Water Science 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,{"id":70159370,"text":"70159370 - 2000 - The impact of bottom brightness on spectral reflectance of suspended sediments","interactions":[],"lastModifiedDate":"2015-10-23T10:30:59","indexId":"70159370","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2068,"text":"International Journal of Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"The impact of bottom brightness on spectral reflectance of suspended sediments","docAbstract":"<p><span>Two experiments were conducted outdoors to investigate how bottom brightness impacts the spectral response of a water column under varied suspended sediment concentrations. A white aluminum panel placed at the bottom of the tank was used as the bright bottom, and a flat-black tank liner served as the dark bottom. Sixteen levels of suspended sediment from 25 to 400 mg litre&nbsp;</span><sup>-1</sup><span>&nbsp;were used in each experiment. Spectral data were collected using a Spectron SE-590 spectroradiometer. The major findings include the following: the bright bottom had the greatest impact at visible wavelengths; when suspended sediment concentrations exceeded 100 mg litre&nbsp;</span><sup>-1</sup><span>, the bright bottom response was found to be negligible; and, substrate brightness has minimal impact between 740 and 900 nm, suggesting that these wavelengths are best for measuring suspended sediment concentrations by means of remote sensing.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/01431160050029558","usgsCitation":"Tolk, B.L., Han, L., and Rundquist, D.C., 2000, The impact of bottom brightness on spectral reflectance of suspended sediments: International Journal of Remote Sensing, v. 21, no. 11, p. 2259-2268, https://doi.org/10.1080/01431160050029558.","productDescription":"10 p.","startPage":"2259","endPage":"2268","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":310588,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"11","noUsgsAuthors":false,"publicationDate":"2010-11-25","publicationStatus":"PW","scienceBaseUri":"562b5a36e4b00162522207ea","contributors":{"authors":[{"text":"Tolk, Brian L. 0000-0002-9060-0266 tolk@usgs.gov","orcid":"https://orcid.org/0000-0002-9060-0266","contributorId":2992,"corporation":false,"usgs":true,"family":"Tolk","given":"Brian","email":"tolk@usgs.gov","middleInitial":"L.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":578254,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Han, L.","contributorId":149388,"corporation":false,"usgs":false,"family":"Han","given":"L.","affiliations":[],"preferred":false,"id":578255,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rundquist, D. C.","contributorId":149389,"corporation":false,"usgs":false,"family":"Rundquist","given":"D.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":578256,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5202,"text":"fs11000 - 2000 - Assessment of selected water-quality and biological data collected in the Wichita River basin, Texas, 1996-97","interactions":[],"lastModifiedDate":"2016-08-25T16:54:58","indexId":"fs11000","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"110-00","title":"Assessment of selected water-quality and biological data collected in the Wichita River basin, Texas, 1996-97","docAbstract":"<p>The Wichita River Basin in northwest Texas (fig. 1) covers about 3,440 square miles (mi2 ) of the 94,500-mi2 Red River Basin. The drainage area above Lake Kemp (fig. 1) is 2,086 mi2. The Wichita River Basin is characterized by rolling plains and prairie with an average annual (1961&ndash;90) rainfall of 28.9 inches at Wichita Falls (population about 100,000), the largest city in the basin (Ramos, 1997). Cattle grazing and agriculture are predominant industries outside the Wichita Falls city limits. One of the earliest oil fields in Texas, the Electra oil field, is in the basin; although some oil is still being produced, oil field activity has decreased from the boom years of the 1920s&ndash;30s. The surfacewater supply in this basin generally is of poor quality&mdash;dissolved solids concentrations vary from slightly saline (1,000 to 3,000 milligrams per liter (mg/L)) to very saline (10,000 to 35,000 mg/L).</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs11000","usgsCitation":"Baldys, S., and Phillips, D.G., 2000, Assessment of selected water-quality and biological data collected in the Wichita River basin, Texas, 1996-97: U.S. Geological Survey Fact Sheet 110-00, 6 p., https://doi.org/10.3133/fs11000.","productDescription":"6 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":121837,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_110_00.bmp"},{"id":657,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/fs-110-00/","linkFileType":{"id":5,"text":"html"}},{"id":327871,"rank":101,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2000/fs-110-00/pdf/fs110-00.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abae4b07f02db671e5f","contributors":{"authors":[{"text":"Baldys, Stanley sbaldys@usgs.gov","contributorId":3366,"corporation":false,"usgs":true,"family":"Baldys","given":"Stanley","email":"sbaldys@usgs.gov","affiliations":[],"preferred":true,"id":150599,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Phillips, D. Grant","contributorId":42956,"corporation":false,"usgs":true,"family":"Phillips","given":"D.","email":"","middleInitial":"Grant","affiliations":[],"preferred":false,"id":150600,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5527,"text":"fs12200 - 2000 - Mineral-Resource Databases","interactions":[{"subject":{"id":5525,"text":"fs07697 - 1997 - Mineral-resource data bases","indexId":"fs07697","publicationYear":"1997","noYear":false,"title":"Mineral-resource data bases"},"predicate":"SUPERSEDED_BY","object":{"id":5527,"text":"fs12200 - 2000 - Mineral-Resource Databases","indexId":"fs12200","publicationYear":"2000","noYear":false,"title":"Mineral-Resource Databases"},"id":1}],"lastModifiedDate":"2018-11-05T10:26:52","indexId":"fs12200","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"122-00","title":"Mineral-Resource Databases","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/fs12200","usgsCitation":"Lipin, B.R., 2000, Mineral-Resource Databases: U.S. Geological Survey Fact Sheet 122-00, 1 sheet ([2] p.) : col. maps ; 28 x 18 cm. col. maps; Supercedes FS-076-97, https://doi.org/10.3133/fs12200.","productDescription":"1 sheet ([2] p.) : col. maps ; 28 x 18 cm. col. maps; Supercedes FS-076-97","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":118301,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_122_00.bmp"},{"id":147,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/factsheet/fs122-00/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb626","contributors":{"authors":[{"text":"Lipin, Bruce R. blipin@usgs.gov","contributorId":5723,"corporation":false,"usgs":true,"family":"Lipin","given":"Bruce","email":"blipin@usgs.gov","middleInitial":"R.","affiliations":[],"preferred":true,"id":151134,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24102,"text":"ofr00211 - 2000 - Benthic foraminiferal census data and radiocarbon dates from the Gulf of Mexico (Matagorda 1A Core)","interactions":[],"lastModifiedDate":"2012-02-02T00:08:11","indexId":"ofr00211","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-211","title":"Benthic foraminiferal census data and radiocarbon dates from the Gulf of Mexico (Matagorda 1A Core)","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00211","issn":"0094-9140","usgsCitation":"Osterman, L.E., Poore, R.Z., and Castenson, E.D., 2000, Benthic foraminiferal census data and radiocarbon dates from the Gulf of Mexico (Matagorda 1A Core): U.S. Geological Survey Open-File Report 2000-211, 10 p., :ill., map ;28 cm., https://doi.org/10.3133/ofr00211.","productDescription":"10 p., :ill., map ;28 cm.","costCenters":[],"links":[{"id":156297,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0211/report-thumb.jpg"},{"id":53259,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0211/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a53e4b07f02db62ba65","contributors":{"authors":[{"text":"Osterman, Lisa E. osterman@usgs.gov","contributorId":3058,"corporation":false,"usgs":true,"family":"Osterman","given":"Lisa","email":"osterman@usgs.gov","middleInitial":"E.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":191319,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Poore, Richard Z. rpoore@usgs.gov","contributorId":345,"corporation":false,"usgs":true,"family":"Poore","given":"Richard","email":"rpoore@usgs.gov","middleInitial":"Z.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":191318,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Castenson, Elizabeth D.","contributorId":16451,"corporation":false,"usgs":true,"family":"Castenson","given":"Elizabeth","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":191320,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70159108,"text":"70159108 - 2000 - The Kyoto protocol and payments for tropical forest: An interdisciplinary method for estimating carbon-offset supply and increasing the feasibility of a carbon market under the CDM","interactions":[],"lastModifiedDate":"2015-10-15T12:55:18","indexId":"70159108","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1453,"text":"Ecological Economics","active":true,"publicationSubtype":{"id":10}},"title":"The Kyoto protocol and payments for tropical forest: An interdisciplinary method for estimating carbon-offset supply and increasing the feasibility of a carbon market under the CDM","docAbstract":"<p><span>Protecting tropical forests under the Clean Development Mechanism (CDM) could reduce the cost of emissions limitations set in Kyoto. However, while society must soon decide whether or not to use tropical forest-based offsets, evidence regarding tropical carbon sinks is sparse. This paper presents a general method for constructing an integrated model (based on detailed historical, remote sensing and field data) that can produce land-use and carbon baselines, predict carbon sequestration supply to a carbon-offsets market and also help to evaluate optimal market rules. Creating such integrated models requires close collaboration between social and natural scientists. Our project combines varied disciplinary expertise (in economics, ecology and geography) with local knowledge in order to create high-quality, empirically grounded, integrated models for Costa Rica.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/S0921-8009(00)00199-3","usgsCitation":"Pfaff, A.S., Kerr, S., Hughes, R., Liu, S., Sanchez-Azofeifa, G.A., Schimel, D., Tosi, J., and Watson, V., 2000, The Kyoto protocol and payments for tropical forest: An interdisciplinary method for estimating carbon-offset supply and increasing the feasibility of a carbon market under the CDM: Ecological Economics, v. 35, no. 2, p. 203-221, https://doi.org/10.1016/S0921-8009(00)00199-3.","productDescription":"19 p.","startPage":"203","endPage":"221","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":309932,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"35","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5620ceace4b06217fc478b2a","contributors":{"authors":[{"text":"Pfaff, Alexander S.P.","contributorId":77492,"corporation":false,"usgs":true,"family":"Pfaff","given":"Alexander","email":"","middleInitial":"S.P.","affiliations":[],"preferred":false,"id":577610,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kerr, Suzi","contributorId":147107,"corporation":false,"usgs":false,"family":"Kerr","given":"Suzi","email":"","affiliations":[],"preferred":false,"id":577611,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hughes, R. Flint","contributorId":111314,"corporation":false,"usgs":true,"family":"Hughes","given":"R. Flint","affiliations":[],"preferred":false,"id":577612,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Liu, Shuguang 0000-0002-6027-3479 sliu@usgs.gov","orcid":"https://orcid.org/0000-0002-6027-3479","contributorId":147403,"corporation":false,"usgs":true,"family":"Liu","given":"Shuguang","email":"sliu@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":577613,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sanchez-Azofeifa, G. Arturo","contributorId":149246,"corporation":false,"usgs":false,"family":"Sanchez-Azofeifa","given":"G.","email":"","middleInitial":"Arturo","affiliations":[],"preferred":false,"id":577614,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Schimel, David","contributorId":146637,"corporation":false,"usgs":false,"family":"Schimel","given":"David","affiliations":[{"id":7023,"text":"Jet Propulsion Laboratory, California Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":577615,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Tosi, Joseph","contributorId":67302,"corporation":false,"usgs":true,"family":"Tosi","given":"Joseph","email":"","affiliations":[],"preferred":false,"id":577616,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Watson, Vicente","contributorId":31992,"corporation":false,"usgs":true,"family":"Watson","given":"Vicente","email":"","affiliations":[],"preferred":false,"id":577617,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70179116,"text":"70179116 - 2000 - Geohydrology and numerical simulation of groundwater flow in the central Virgin River Basin of Iron and Washington Counties, Utah","interactions":[],"lastModifiedDate":"2022-11-09T17:29:48.788751","indexId":"70179116","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"seriesTitle":{"id":294,"text":"Technical Publication","active":false,"publicationSubtype":{"id":4}},"seriesNumber":"116","title":"Geohydrology and numerical simulation of groundwater flow in the central Virgin River Basin of Iron and Washington Counties, Utah","docAbstract":"<p>Because rapid growth of communities in Washington and Iron Counties, Utah, is expected to cause an increase in the future demand for water resources, a hydrologic investigation was done to better understand ground-water resources within the central Virgin River basin. This study focused on two of the principal ground-water reservoirs within the basin: the upper Ash Creek basin ground-water system and the Navajo and Kayenta aquifer system.</p><p>The ground-water system of the upper Ash Creek drainage basin consists of three aquifers: the uppermost Quaternary basin-fill aquifer, the Tertiary alluvial-fan aquifer, and the Tertiary Pine Valley monzonite aquifer. These aquifers are naturally bounded by the Hurricane Fault and by drainage divides. On the basis of measurements, estimates, and numerical simulations of reasonable values for all inflow and outflow components, total water moving through the upper Ash Creek drainage basin ground-water system is estimated to be about 14,000 acre-feet per year. Recharge to the upper Ash Creek drainage basin ground-water system is mostly from infiltration of precipitation and seepage from ephemeral and perennial streams. The primary source of discharge is assumed to be evapotranspiration; however, subsurface discharge near Ash Creek Reservoir also may be important.</p><p>The character of two of the hydrologic boundaries of the upper Ash Creek drainage basin ground-water system is speculative. The eastern boundary provided by the Hurricane Fault is assumed to be a no-flow boundary, and a substantial part of the ground-water discharge from the system is assumed to be subsurface outflow beneath Ash Creek Reservoir along the southern boundary. However, these assumptions might be incorrect because alternative numerical simulations that used different boundary conditions also proved to be feasible. The hydrogeologic character of the aquifers is uncertain because of limited data. Differences in well yield indicate that there is considerable variability in the transmissivity of the basin-fill aquifer. Field data also indicate that the basin-fill aquifer is more transmissive than the underlying alluvial-fan aquifer. Data from the Pine Valley monzonite aquifer indicate that its transmissivity may be highly variable and that it is strongly influenced by the connection of fractures.</p><p>The Navajo and Kayenta aquifers provide most of the potable water to the municipalities of Washington County. Because of large outcrop exposures, uniform grain size, and large stratigraphic thickness, these formations are able to receive and store large amounts of water. In addition, structural forces have resulted in extensive fracture zones that enhance ground-water recharge and movement within these aquifers. Aquifer testing of the Navajo aquifer indicates that horizontal hydraulic-conductivity values range from 0.2 to 32 feet per day at different locations and may be primarily dependent on the extent of fracturing. Limited data indicate that the Kayenta aquifer generally is less transmissive than the Navajo aquifer. The aquifers are bounded to the south and west by the erosional extent of the formations and to the east by the Hurricane Fault, which completely offsets these formations and is assumed to be a lateral no-flow boundary. Like the Hurricane Fault, the Gunlock Fault is assumed to be a lateral no-flow boundary that divides the Navajo and Kayenta aquifers within the study area into two parts: the main part, between the Hurricane and Gunlock Faults; and the Gunlock part, west of the Gunlock Fault.</p><p>Generally, the water in the Navajo and Kayenta aquifers contains few dissolved minerals. However, two distinct areas contain water with dissolved-solids concentrations greater than 500 milligrams per liter: a larger area north of the city of St. George and a smaller area a few miles west of the town of Hurricane. Mass-balance calculations indicate that in the higher-dissolved-solids area north of St. George, as much as 2.7 cubic feet per second may be entering the aquifer from underlying formations. For the area west of Hurricane, as much as 1.5 cubic feet per second may be entering the aquifer from underlying formations.</p><p>On the basis of measurements, estimates, and numerical simulations, total water moving through the Navajo and Kayenta aquifers is estimated to be about 25,000 acre-feet per year for the main part and 5,000 acre-feet per year for the Gunlock part. The primary source of recharge is assumed to be infiltration of precipitation in the main part and seepage from the Santa Clara River in the Gunlock part. The primary source of discharge is assumed to be well discharge for both the main and Gunlock parts of the aquifers. Numerical simulations indicate that faults with major offset, such as the Washington Hollow Fault and an unnamed fault near Anderson Junction, may impede horizontal ground-water flow. Also, increased horizontal hydraulic conductivity along the orientation of predominant surface fracturing may be an important factor in regional ground-water flow. Simulations with increased north-south hydraulic conductivity substantially improved the match to measured water levels in the central area of the model between Snow Canyon and Mill Creek. Numerical simulation of the Gunlock part, using aquifer properties determined for the city of St. George municipal well field, resulted in a reasonable representation of regional water levels and estimated seepage from and to the Santa Clara River. To further quantify the Gunlock part of the Navajo and Kayenta aquifers, a better understanding of ground-water flow at the Gunlock Fault is needed.</p>","language":"English","publisher":"Utah Department of Natural Resources, Division of Water Rights","publisherLocation":"Salt Lake City, UT","collaboration":"Prepared by the  United States Geological Survey in cooperation with the Utah Department of Natural Resources, Division of Water Rights; and the Washington County Water Conservancy District","usgsCitation":"Heilweil, V., Freethey, G., Wilkowske, C., Stolp, B., and Wilberg, D., 2000, Geohydrology and numerical simulation of groundwater flow in the central Virgin River Basin of Iron and Washington Counties, Utah: Technical Publication 116, xviii, 139 p.","productDescription":"xviii, 139 p.","numberOfPages":"206","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":332239,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":409264,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.waterrights.utah.gov/cgi-bin/docview.exe?Folder=TP50-1-203&Title=Technical+Publication+116"}],"country":"United States","state":"Utah","county":"Iron County, Washington County","otherGeospatial":"Central Virgin River Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -114.06005859375,\n              37.00255267215955\n            ],\n            [\n              -114.06005859375,\n              37.78808138412046\n            ],\n            [\n              -112.25830078125,\n              37.78808138412046\n            ],\n            [\n              -112.25830078125,\n              37.00255267215955\n            ],\n            [\n              -114.06005859375,\n              37.00255267215955\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58550b8ae4b02bdf681568c3","contributors":{"authors":[{"text":"Heilweil, V.M.","contributorId":25197,"corporation":false,"usgs":true,"family":"Heilweil","given":"V.M.","affiliations":[],"preferred":false,"id":656079,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freethey, G. W.","contributorId":105714,"corporation":false,"usgs":true,"family":"Freethey","given":"G. W.","affiliations":[],"preferred":false,"id":656080,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wilkowske, C.D.","contributorId":63050,"corporation":false,"usgs":true,"family":"Wilkowske","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":656081,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stolp, Bernard J. 0000-0003-3803-1497","orcid":"https://orcid.org/0000-0003-3803-1497","contributorId":71942,"corporation":false,"usgs":true,"family":"Stolp","given":"Bernard J.","affiliations":[],"preferred":false,"id":656082,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wilberg, Dale E.","contributorId":60215,"corporation":false,"usgs":true,"family":"Wilberg","given":"Dale E.","affiliations":[],"preferred":false,"id":656083,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":22717,"text":"ofr200064 - 2000 - Procedures for scour assessments at bridges in Pennsylvania","interactions":[],"lastModifiedDate":"2017-07-10T08:26:26","indexId":"ofr200064","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-64","title":"Procedures for scour assessments at bridges in Pennsylvania","docAbstract":"Scour is the process and result of flowing water eroding the bed and banks of a stream. Scour at nearly 14,300 bridges(1) spanning water, and the stability of river and stream channels in Pennsylvania, are being assessed by the U.S. Geological Survey (USGS) in cooperation with the Pennsylvania Department of Transportation (PennDOT). Procedures for bridge-scour assessments have been established to address the needs of PennDOT in meeting a 1988 Federal Highway Administration mandate requiring states to establish a program to assess all public bridges over water for their vulnerability to scour. The procedures also have been established to help develop an understanding of the local and regional factors that affect scour and channel stability.\r\n\r\nThis report describes procedures for the assessment of scour at all bridges that are 20 feet or greater in length that span water in Pennsylvania. There are two basic types of assessment: field-viewed bridge site assessments, for which USGS personnel visit the bridge site, and office-reviewed bridge site assessments, for which USGS personnel compile PennDOT data and do not visit the bridge site. Both types of assessments are primarily focused at assisting PennDOT in meeting the requirements of the Federal Highway Administration mandate; however, both assessments include procedures for the collection and processing of ancillary data for subsequent analysis. Date of bridge construction and the accessibility of the bridge substructure units for inspection determine which type of assessment a bridge receives. A Scour-Critical Bridge Indicator Code and a Scour Assessment Rating are computed from selected collected and compiled data. PennDOT personnel assign the final Scour-Critical Bridge Indicator Code and a Scour Assessment Rating on the basis of their review of all data.\r\n\r\n(1)Words presented in bold type are defined in the Glossary section of this report.\r\n","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr200064","issn":"0094-9140","collaboration":"Pennsylvania Department of Transportation\r\n","usgsCitation":"Cinotto, P.J., and White, K., 2000, Procedures for scour assessments at bridges in Pennsylvania: U.S. Geological Survey Open-File Report 2000-64, xii, 210 p. :ill. (some col.), maps ;28 cm., https://doi.org/10.3133/ofr200064.","productDescription":"xii, 210 p. :ill. (some col.), maps ;28 cm.","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":203619,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":7642,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/64/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ee4b07f02db66081a","contributors":{"authors":[{"text":"Cinotto, Peter J. pcinotto@usgs.gov","contributorId":451,"corporation":false,"usgs":true,"family":"Cinotto","given":"Peter","email":"pcinotto@usgs.gov","middleInitial":"J.","affiliations":[{"id":354,"text":"Kentucky Water Science Center","active":true,"usgs":true}],"preferred":true,"id":188751,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"White, Kirk E. kewhite@usgs.gov","contributorId":2107,"corporation":false,"usgs":true,"family":"White","given":"Kirk E.","email":"kewhite@usgs.gov","affiliations":[],"preferred":true,"id":188752,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":23678,"text":"ofr0080 - 2000 - Streamflow and water-quality data for the Blackfoot River basin, western Montana, September 1995 through May 1997","interactions":[],"lastModifiedDate":"2012-02-02T00:08:18","indexId":"ofr0080","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-80","title":"Streamflow and water-quality data for the Blackfoot River basin, western Montana, September 1995 through May 1997","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr0080","issn":"0094-9140","usgsCitation":"Lawlor, S.M., 2000, Streamflow and water-quality data for the Blackfoot River basin, western Montana, September 1995 through May 1997: U.S. Geological Survey Open-File Report 2000-80, iv, 24 p. :ill., map ;28 cm., https://doi.org/10.3133/ofr0080.","productDescription":"iv, 24 p. :ill., map ;28 cm.","costCenters":[],"links":[{"id":157475,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0080/report-thumb.jpg"},{"id":52934,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0080/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a4e6c","contributors":{"authors":[{"text":"Lawlor, Sean M. 0000-0001-5988-7548 slawlor@usgs.gov","orcid":"https://orcid.org/0000-0001-5988-7548","contributorId":1895,"corporation":false,"usgs":true,"family":"Lawlor","given":"Sean","email":"slawlor@usgs.gov","middleInitial":"M.","affiliations":[{"id":685,"text":"Wyoming-Montana Water Science Center","active":false,"usgs":true}],"preferred":true,"id":190532,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":22266,"text":"ofr0067 - 2000 - Water-quality assessment of the Eastern Iowa Basins: Hydrologic and biologic data, October 1996 through September 1998","interactions":[],"lastModifiedDate":"2022-08-30T20:38:56.112509","indexId":"ofr0067","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-67","title":"Water-quality assessment of the Eastern Iowa Basins: Hydrologic and biologic data, October 1996 through September 1998","docAbstract":"<p>Hydrologic and biologic data collected from October 1996 through September 1998 in the Eastern Iowa Basins study unit of the U.S. Geological Survey National Water-Quality Assessment Program are presented in this report. Monthly data collected from 12 sites on rivers and streams included measurements of physical properties and determinations of the concentrations of nutrients, major ions, organic carbon, trace elements, suspended sediment, and dissolved pesticides. Fish-tissue samples were collected at two sites in September 1997 and analyzed for organochlorine pesticides. In addition, water-quality assessments were made at 25 sites as part of a synoptic study in August 1997 and May 1998. A ground-water study was conducted to evaluate the effects of agricultural and urban land use on the water quality of shallow alluvial aquifers in the study unit. Samples were collected and analyzed from wells in 31 agricultural and 30 urban land-use areas during June-August 1997. Samples were collected and analyzed from 32 domestic wells during June-July 1998 to provide a broad assessment of the water quality of shallow alluvial aquifers throughout the study unit. Samples were collected during August 1998 from 27 shallow monitoring wells completed in the Iowa River alluvial aquifer to evaluate the effects of changing land use on shallow ground-water quality. Ground-water samples were analyzed for physical properties, nutrients, major ions, organic carbon, trace elements, dissolved pesticides, volatile organic compounds, radon-222, and tritium.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr0067","usgsCitation":"Akers, K., Montgomery, D.L., Christiansen, D.E., Savoca, M.E., Schnoebelen, D.J., Becher, K., and Sadorf, E.M., 2000, Water-quality assessment of the Eastern Iowa Basins: Hydrologic and biologic data, October 1996 through September 1998: U.S. Geological Survey Open-File Report 2000-67, viii, 359 p., https://doi.org/10.3133/ofr0067.","productDescription":"viii, 359 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true},{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true},{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":316709,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1350,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr0067/","linkFileType":{"id":5,"text":"html"}},{"id":405948,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_30106.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Iowa","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -93.828,\n              40.719\n            ],\n            [\n              -90.367,\n              40.719\n            ],\n            [\n              -90.367,\n              43.916\n            ],\n            [\n              -93.828,\n              43.916\n            ],\n            [\n              -93.828,\n              40.719\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","tableOfContents":"<p>Abstract<br />Introduction<br />&nbsp; &nbsp; &nbsp;Purpose and Scope <br />&nbsp; &nbsp; &nbsp;Description of the Eastern Iowa Basins <br />Implementation of Water-Quality Studies<br />&nbsp; &nbsp; &nbsp;Surface-Water-Quality Data Collection<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sampling Sites<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Surface-Water Sample Collection<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Biologic Sample Collection<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Analytical Procedures<br />&nbsp; &nbsp; &nbsp;Ground-Water-Quality Data<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Site Selection<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Well Installation<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Ground-Water Sample Collection<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Analytical Procedures<br />&nbsp; &nbsp; &nbsp;Water-Quality Analysis and Quality Control<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Surface Water<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Ground Water<br />Acknowledgments<br />Selected References</p>","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb5a0","contributors":{"authors":[{"text":"Akers, Kimberlee K.","contributorId":43379,"corporation":false,"usgs":true,"family":"Akers","given":"Kimberlee K.","affiliations":[],"preferred":false,"id":187860,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Montgomery, Denise L.","contributorId":92698,"corporation":false,"usgs":true,"family":"Montgomery","given":"Denise","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":187862,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Christiansen, Daniel E. 0000-0001-6108-2247 dechrist@usgs.gov","orcid":"https://orcid.org/0000-0001-6108-2247","contributorId":366,"corporation":false,"usgs":true,"family":"Christiansen","given":"Daniel","email":"dechrist@usgs.gov","middleInitial":"E.","affiliations":[{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true}],"preferred":true,"id":187856,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Savoca, Mark E. mesavoca@usgs.gov","contributorId":1961,"corporation":false,"usgs":true,"family":"Savoca","given":"Mark","email":"mesavoca@usgs.gov","middleInitial":"E.","affiliations":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"preferred":true,"id":187857,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Schnoebelen, Douglas J.","contributorId":87514,"corporation":false,"usgs":true,"family":"Schnoebelen","given":"Douglas","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":187861,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Becher, Kent 0000-0002-3947-0793 kdbecher@usgs.gov","orcid":"https://orcid.org/0000-0002-3947-0793","contributorId":3863,"corporation":false,"usgs":true,"family":"Becher","given":"Kent","email":"kdbecher@usgs.gov","affiliations":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":187859,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Sadorf, Eric M. emsadorf@usgs.gov","contributorId":2245,"corporation":false,"usgs":true,"family":"Sadorf","given":"Eric","email":"emsadorf@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":187858,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":28133,"text":"wri004006 - 2000 - Water, ice, and meteorological measurements at South Cascade Glacier, Washington, 1986-1991 balance years","interactions":[],"lastModifiedDate":"2012-02-02T00:08:36","indexId":"wri004006","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2000-4006","title":"Water, ice, and meteorological measurements at South Cascade Glacier, Washington, 1986-1991 balance years","docAbstract":"Mass balance and climate variables are reported for South Cascade Glacier, Washington, for the years 1986-91. These variables include air temperature, precipitation, water runoff, snow accumulation, snow and ice melt terminus position, surface level, and ice speed. Data are reduced to daily and monthly values where appropriate. The glacier-averaged values of spring snow accumulation and fall net balance given in this report differ from previous results because amore complete analysis is made. Snow accumulation values for the1986-91 period ranged from 3.54 (water equivalent) meters in 1991 to2.04 meters in 1987. Net balance values ranged from 0.07 meters in1991 to -2.06 meters in 1987. The glacier became much smaller during the 1986-91 period and retreated a cumulative 50 meters.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nU.S. Geological Survey, Information Services [distributor],","doi":"10.3133/wri004006","usgsCitation":"Krimmel, R.M., 2000, Water, ice, and meteorological measurements at South Cascade Glacier, Washington, 1986-1991 balance years: U.S. Geological Survey Water-Resources Investigations Report 2000-4006, v, 77 p. :ill., maps ;28 cm.; 15 illus.; 16 tables, https://doi.org/10.3133/wri004006.","productDescription":"v, 77 p. :ill., maps ;28 cm.; 15 illus.; 16 tables","costCenters":[],"links":[{"id":95699,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2000/4006/report.pdf","size":"8334","linkFileType":{"id":1,"text":"pdf"}},{"id":158622,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2000/4006/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e48d1e4b07f02db54749f","contributors":{"authors":[{"text":"Krimmel, Robert M.","contributorId":34902,"corporation":false,"usgs":true,"family":"Krimmel","given":"Robert","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":199273,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":23074,"text":"ofr00194 - 2000 - Data used for calculating chloride flux out of Yellowstone National Park for the water years 1983-1999","interactions":[],"lastModifiedDate":"2012-02-02T00:08:06","indexId":"ofr00194","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-194","title":"Data used for calculating chloride flux out of Yellowstone National Park for the water years 1983-1999","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00194","issn":"0094-9140","usgsCitation":"Friedman, I., and Norton, D.R., 2000, Data used for calculating chloride flux out of Yellowstone National Park for the water years 1983-1999: U.S. Geological Survey Open-File Report 2000-194, 48 p., :map ;28 cm., https://doi.org/10.3133/ofr00194.","productDescription":"48 p., :map ;28 cm.","costCenters":[],"links":[{"id":155556,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0194/report-thumb.jpg"},{"id":52442,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0194/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac5e4b07f02db679c6e","contributors":{"authors":[{"text":"Friedman, Irving","contributorId":90664,"corporation":false,"usgs":true,"family":"Friedman","given":"Irving","email":"","affiliations":[],"preferred":false,"id":189391,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Norton, Daniel R.","contributorId":64265,"corporation":false,"usgs":true,"family":"Norton","given":"Daniel","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":189390,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22080,"text":"ofr00215 - 2000 - Publications of the Western Earth Surface Processes Team, 1999","interactions":[],"lastModifiedDate":"2023-06-22T13:22:06.206866","indexId":"ofr00215","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-215","title":"Publications of the Western Earth Surface Processes Team, 1999","docAbstract":"The Western Earth Surfaces Processes Team (WESPT) of the U.S. Geological Survey, Geologic Division (USGS, GD), conducts geologic mapping and related topical earth- science studies in the western United States. This work is focused on areas where modern geologic maps and associated earth-science data are needed to address key societal and environmental issues such as ground-water quality, potential geologic hazards, and land-use decisions. Areas of primary emphasis currently include southern California, the San Francisco Bay region, and the Pacific Northwest. The team has its headquarters in Menlo Park, California, and maintains field offices at several other locations in the western United States.\n\nThe results of research conducted by the WESPT are released to the public as a variety of databases, maps, text reports, and abstracts, both through the internal publication system of the USGS and in diverse external publications such as scientific journals and books. This report lists publications of the WESPT released in 1999 as well as additional 1997 and 1998 publications that were not included in the previous list (USGS Open-file Report 99-302). Most of the publications listed were authored or coauthored by WESPT staff. The list also includes some publications authored by non-USGS cooperators with the WESPT, as well as some authored by USGS staff outside the WESPT in cooperation with WESPT projects.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr00215","issn":"0094-9140","usgsCitation":"Stone, P., and Powell, C.L., 2000, Publications of the Western Earth Surface Processes Team, 1999: U.S. Geological Survey Open-File Report 2000-215, 16 p., https://doi.org/10.3133/ofr00215.","productDescription":"16 p.","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":281576,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/0215/"},{"id":51522,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0215/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":154584,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0215/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a90e4b07f02db655e3d","contributors":{"authors":[{"text":"Stone, Paul 0000-0002-1439-0156 pastone@usgs.gov","orcid":"https://orcid.org/0000-0002-1439-0156","contributorId":273,"corporation":false,"usgs":true,"family":"Stone","given":"Paul","email":"pastone@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":186987,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Powell, Charles L. II 0000-0002-1913-555X cpowell@usgs.gov","orcid":"https://orcid.org/0000-0002-1913-555X","contributorId":3243,"corporation":false,"usgs":true,"family":"Powell","given":"Charles","suffix":"II","email":"cpowell@usgs.gov","middleInitial":"L.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":186988,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22795,"text":"ofr2000151 - 2000 - Ground-water conditions in Georgia, 1999","interactions":[],"lastModifiedDate":"2016-12-07T15:54:16","indexId":"ofr2000151","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-151","title":"Ground-water conditions in Georgia, 1999","docAbstract":"Ground-water conditions in Georgia during 1999 and for the period of record were evaluated using data from U.S. Geological Survey ground-water-level and ground-water-quality monitoring networks. Data for 1999 included in this report are from continuous water-level records from 130 wells and chloride analyses from 14 wells. Data from one well is incomplete because data collection was discontinued.\r\n\r\nChloride concentration in water from the Upper Floridan aquifer in most of coastal Georgia was within drinking-water standards established by the Georgia Department of Natural Resources and the U.S. Environmental Protection Agency. In the Savannah area, chloride concentration has not changed appreciably with time. However, chloride concentration in water from some wells that tap the Floridan aquifer system in the Brunswick area exceeds the drinking-water standards.\r\n\r\nGround-water-level and ground-water-quality data are essential for water assessment and management. Ground-water-level fluctuations and trends can be used to estimate changes in aquifer storage resulting from the effects of ground-water withdrawal and recharge from precipitation. These data can be used to address water-management needs and to evaluate the effects of management and conservation programs.\r\n\r\nAs part of the ground-water investigations conducted by the U.S. Geological Survey (USGS), in cooperation with the State of Georgia and city and county governments, a Statewide water-level-measurement program was started in 1938. Initially, this program consisted of an observation-well network in the coastal area of Georgia to monitor variations in ground-water storage and quality. Additional wells were later included in areas where data could be used to aid in water resources development and management.\r\n\r\nDuring 1999, periodic water-level measurements were made in 46 wells, and continuous water-level measurements were obtained from 165 wells. Continuous water-level records were obtained using analog (pen and chart) recorders and electronic data recorders that record the water level at 60-minute intervals. For wells having incomplete water-level record, water levels during periods of missing record may have been higher or lower than recorded water levels. Water samples collected from 85 wells during May, June, July, August, September, October, November, and December 1999 were analyzed to determine chloride concentration in the Savannah and Brunswick areas.\r\n","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;Branch of Information Services [distributor],","doi":"10.3133/ofr2000151","issn":"0094-9140","usgsCitation":"Cressler, A.M., 2000, Ground-water conditions in Georgia, 1999: U.S. Geological Survey Open-File Report 2000-151, ix, 171 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr2000151.","productDescription":"ix, 171 p. :ill., maps ;28 cm.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":13634,"text":"South Atlantic Water Science 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,{"id":22050,"text":"ofr00219 - 2000 - Preliminary potential-field constraints on the geometry of the San Fernando basin, Southern California","interactions":[],"lastModifiedDate":"2023-06-22T13:21:30.011181","indexId":"ofr00219","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","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":"2000-219","title":"Preliminary potential-field constraints on the geometry of the San Fernando basin, Southern California","docAbstract":"Gravity and magnetic data provide new insights on the structural underpinnings of the San Fernando Basin region, which may be important to ground motion models. Gravity data indicate that a deep basin (>5 km) underlies the northern part of the San Fernando Valley; this deep basin is required to explain the lowest gravity values over the Mission Hills thrust fault. Gravity modeling, constrained by well data and density information, shows that the basin may reach a thickness of 8 km, coinciding with the upper termination of the 1994 Northridge earthquake mainshock rupture. The basin is deeper than previous estimates by 2 to 4 km; this estimate is the result of high densities for the gravels of the Pliocene-Pleisocene Saugus Formation. The geometry of the southern margin of the deep basin is not well-constrained by the gravity data, but may dip to the south. Recently acquired seismic data along the LARSE (Los Angeles Regional Seismic Experiment) II profile may provide constraints to determine the location and attitude of the basin edge. Gravity and aeromagnetic models across the eastern margin of the San Fernando Valley indicate that the Verdugo fault may dip to the southwest along its southern extent and therefore have a normal fault geometry whereas it clearly has a thrust fault geometry along its northern strand.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr00219","usgsCitation":"Langenheim, V., Griscom, A., Jachens, R., and Hildenbrand, T., 2000, Preliminary potential-field constraints on the geometry of the San Fernando basin, Southern California: U.S. Geological Survey Open-File Report 2000-219, 36 p., https://doi.org/10.3133/ofr00219.","productDescription":"36 p.","numberOfPages":"39","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":51507,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0219/pdf/ofr00-219.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1220,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/0219/","linkFileType":{"id":5,"text":"html"}},{"id":153064,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0219/coverthb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Fernando Basin","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -119.25,34.0 ], [ -119.25,34.75 ], [ -117.75,34.75 ], [ -117.75,34.0 ], [ -119.25,34.0 ] ] ] } } ] }","contact":"<p><a href=\"https://geomaps.wr.usgs.gov/gmeg/staff.htm\" data-mce-href=\"https://geomaps.wr.usgs.gov/gmeg/staff.htm\">Director,</a><br><a href=\"http://geomaps.wr.usgs.gov/gmeg/\" data-mce-href=\"http://geomaps.wr.usgs.gov/gmeg/\">Geology, Minerals, Energy, and Geophysics Science Center</a><br><a href=\"http://usgs.gov/\" data-mce-href=\"http://usgs.gov/\">U.S. Geological Survey</a><br>345 Middlefield Road, MS 901<br>Menlo Park, CA 94025-3591</p>","tableOfContents":"<ul><li>Abstract<br></li><li>Introduction<br></li><li>Geologic Setting<br></li><li>Gravity, Aeromagnetic, and Physical Property Data<br></li><li>Discussion of Potential-Field Anomalies and Modeling Results<br></li><li>Discussion and Conclusions<br></li><li>Acknowledments<br></li></ul>","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aafe4b07f02db66cc96","contributors":{"authors":[{"text":"Langenheim, Victoria E. 0000-0003-2170-5213 zulanger@usgs.gov","orcid":"https://orcid.org/0000-0003-2170-5213","contributorId":1526,"corporation":false,"usgs":true,"family":"Langenheim","given":"Victoria E.","email":"zulanger@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":186858,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Griscom, Andrew","contributorId":23520,"corporation":false,"usgs":true,"family":"Griscom","given":"Andrew","email":"","affiliations":[],"preferred":false,"id":186859,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jachens, R.C.","contributorId":55433,"corporation":false,"usgs":true,"family":"Jachens","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":186860,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hildenbrand, T.G.","contributorId":83892,"corporation":false,"usgs":true,"family":"Hildenbrand","given":"T.G.","email":"","affiliations":[],"preferred":false,"id":186861,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":4864,"text":"ds66 - 2000 - Assessment of the alluvial sediments in the Big Thompson River Valley, Colorado","interactions":[],"lastModifiedDate":"2024-11-15T14:20:46.576755","indexId":"ds66","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"66","title":"Assessment of the alluvial sediments in the Big Thompson River Valley, Colorado","docAbstract":"To obtain subsurface geologic information about the alluvium in the Big Thompson River valley, S-wave refraction data were collected along three roads that cross the valley. The refraction data were used to estimate velocities and thickness for a layered-earth model; from these models, three cross sections of the river valley were constructed. These cross sections show the thickness and the gross stratigraphy of the alluvium.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds66","isbn":"0607953284","usgsCitation":"Barnett, A., and Ellefsen, K.J., 2000, Assessment of the alluvial sediments in the Big Thompson River Valley, Colorado: U.S. Geological Survey Data Series 66, CD-ROM, https://doi.org/10.3133/ds66.","productDescription":"CD-ROM","costCenters":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":139587,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":594,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_33763.htm","text":"Assessment of the alluvial sediments in the Big Thompson River Valley, Colorado","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Colorado","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -105,40.300555555555555 ], [ -105,40.35027777777778 ], [ -104.83416666666666,40.35027777777778 ], [ -104.83416666666666,40.300555555555555 ], [ -105,40.300555555555555 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db6685ec","contributors":{"authors":[{"text":"Barnett, Adrienne","contributorId":16820,"corporation":false,"usgs":true,"family":"Barnett","given":"Adrienne","email":"","affiliations":[],"preferred":false,"id":149975,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ellefsen, Karl J. 0000-0003-3075-4703 ellefsen@usgs.gov","orcid":"https://orcid.org/0000-0003-3075-4703","contributorId":789,"corporation":false,"usgs":true,"family":"Ellefsen","given":"Karl","email":"ellefsen@usgs.gov","middleInitial":"J.","affiliations":[{"id":82803,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":false}],"preferred":true,"id":149974,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
]}