{"pageNumber":"348","pageRowStart":"8675","pageSize":"25","recordCount":16446,"records":[{"id":25821,"text":"wri20004107 - 2000 - Water-quality assessment of part of the Upper Mississippi River Basin, Minnesota and Wisconsin - Ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998","interactions":[],"lastModifiedDate":"2018-03-19T11:26:44","indexId":"wri20004107","displayToPublicDate":"2002-07-01T00:00:00","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":"2000-4107","title":"Water-quality assessment of part of the Upper Mississippi River Basin, Minnesota and Wisconsin - Ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998","docAbstract":"<p>The quality of shallow ground water in a 75-mi<sup>2</sup> agricultural area of the Anoka Sand Plain aquifer in central Minnesota is described as part of the National Water Quality Assessment (NAWQA) Program - a national-scale assessment of the quality of water resources within large study units in various hydrologic settings. Data were collected during 1998 from 29 wells completed in the aquifer, which predominantly consists of surficial glacial sand and gravel sediments.</p>\n<p>The depth below land surface to the water table ranged from 3.3 to 44 ft (median of 15.5 ft). Ground water was of the calciummagnesium bicarbonate type. Ionic constituents also included sodium, sulfate, and chloride. Iron and manganese concentrations generally were not greater than their U.S. Environmental Protection Agency (USEPA) Secondary Maximum Contaminant Levels (300 and 50 ug/L, respectively).</p>\n<p>About 38 percent of 29 samples had nitrate-N (nitrogen) concentrations greater than the USEPA Maximum Contaminant Level (MCL) of 10 mg/L. About 72 percent of the samples had nitrate-N concentrations greater than the presumed natural background level of 3 mg/L. The maximum nitrate-N concentration was 47 mg/L. The median nitrate-N concentration of 7.1 mg/L, although not greater than the MCL, exceeded the natural background level. Nitrogen isotope ratios indicate that the sources of nitrate were commercial fertilizer and soil organic matter. Concentrations of total dissolved phosphorus and orthophosphate were generally less than 1 mg/L.</p>\n<p>About 86 percent of 29 samples had detectable concentrations of at least 1 of 13 pesticide compounds. The samples were analyzed for 83 pesticide compounds. Frequencies of detection of these compounds were: deethylatrazine-79 percent; atrazine-76 percent; metolachlor-41 percent; metribuzin and bentazon-21 percent; prometon-10 percent; tebuthiuron-7 percent; and alachlor, 2,6-diethylaniline, dicamba, dinoseb, malathion, and simazine-3 percent. The detected pesticide compounds had concentrations less than 1 ug/L. Detected compounds with USEPA MCLs (atrazine, bentazon, alachlor, dinoseb, and simazine) had concentrations less than their respective MCLs.</p>\n<p>About 50 percent of 20 samples analyzed for 86 volatile organic compounds (VOCs) had detectable concentrations of at least 1 of 7 VOCs. Frequencies of detection of these 7 VOCs were: 1,2,3,4-tetramethylbenzene-40 percent; and trichlorofluoromethane, styrene, chloromethane, benzene, methylbenzene, and trichloromethane-5 percent. The detected VOCs had concentrations less than 0.120 ug/L. Detected VOCs with USEPA MCLs - styrene, benzene, methylbenzene, and trichloromethane - were present at concentrations 2-4 orders of magnitude less than their respective MCLs.</p>\n<p>Tritium concentrations had a range of from 7.5 to 18.8 tritium units (TUs) and a median of 12.5 TUs. These concentrations indicate that the ground water predominantly recharged after testing of thermonuclear weapons during the early 1950's.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Mounds View, MN","doi":"10.3133/wri20004107","usgsCitation":"Ruhl, J.F., Fong, A.L., Hanson, P.E., and Andrews, W.J., 2000, Water-quality assessment of part of the Upper Mississippi River Basin, Minnesota and Wisconsin - Ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998: U.S. Geological Survey Water-Resources Investigations Report 2000-4107, vii, 46 p., https://doi.org/10.3133/wri20004107.","productDescription":"vii, 46 p.","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"1998-01-01","temporalEnd":"1998-12-31","costCenters":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"links":[{"id":158052,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12235,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://mn.water.usgs.gov/publications/pubs/00-4107.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Minnesota","county":"Sherburne County","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -94,45.25 ], [ -94,45.5 ], [ -93.58333333333333,45.5 ], [ -93.58333333333333,45.25 ], [ -94,45.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0de4b07f02db5fd017","contributors":{"authors":[{"text":"Ruhl, James F.","contributorId":103322,"corporation":false,"usgs":true,"family":"Ruhl","given":"James","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":195207,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fong, Alison L.","contributorId":78366,"corporation":false,"usgs":true,"family":"Fong","given":"Alison","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":195205,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hanson, Paul E.","contributorId":85167,"corporation":false,"usgs":true,"family":"Hanson","given":"Paul","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":195206,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Andrews, William J. 0000-0003-4780-8835 wandrews@usgs.gov","orcid":"https://orcid.org/0000-0003-4780-8835","contributorId":328,"corporation":false,"usgs":true,"family":"Andrews","given":"William","email":"wandrews@usgs.gov","middleInitial":"J.","affiliations":[{"id":516,"text":"Oklahoma Water Science Center","active":true,"usgs":true}],"preferred":true,"id":195204,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":31536,"text":"ofr0045B - 2000 - Bedrock geologic map of the Hubbard Brook experimental forest, Grafton County, New Hampshire","interactions":[],"lastModifiedDate":"2024-01-11T14:44:43.74756","indexId":"ofr0045B","displayToPublicDate":"2002-04-01T00:00:00","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":"2000-45","chapter":"B","title":"Bedrock geologic map of the Hubbard Brook experimental forest, Grafton County, New Hampshire","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr0045B","usgsCitation":"Burton, W., Walsh, G., and Armstrong, T.R., 2000, Bedrock geologic map of the Hubbard Brook experimental forest, Grafton County, New Hampshire: U.S. Geological Survey Open-File Report 2000-45, HTML; Database, https://doi.org/10.3133/ofr0045B.","productDescription":"HTML; Database","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":160894,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":2721,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/of00-045/","linkFileType":{"id":5,"text":"html"}},{"id":110173,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_37099.htm","linkFileType":{"id":5,"text":"html"},"description":"37099"}],"country":"United States","state":"New Hampshire","county":"Grafton County","otherGeospatial":"Hubbard Brook experimental 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,{"id":21711,"text":"ofr00262 - 2000 - Data from a thick unsaturated zone underlying Oro Grande and Sheep Creek washes in the western part of the Mojave Desert, near Victorville, San Bernardino County, California","interactions":[],"lastModifiedDate":"2020-03-23T06:54:34","indexId":"ofr00262","displayToPublicDate":"2002-03-01T01:00:00","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":"2000-262","title":"Data from a thick unsaturated zone underlying Oro Grande and Sheep Creek washes in the western part of the Mojave Desert, near Victorville, San Bernardino County, California","docAbstract":"This report presents data on the physical properties of unsaturated alluvial deposits and on the chemical and isotopic composition of soil water and soil gas collected at 12 monitoring sites in the western part of the Mojave Desert, near Victorville, California. Sites were installed using the ODEX air-hammer method. Seven sites were located in the active channels of Oro Grande and Sheep Creek Washes. The remaining five sites were located away from the active washes. Most sites were drilled to a depth of about 100 feet below land surface; two sites were drilled to the water table almost 650 feet below land surface. Drilling procedures, lithologic and geophysical data, and site construction and instrumentation are described. Core material was analyzed for water content, bulk density, water potential, particle size, and water retention. The chemical composition of leachate from almost 1,000 subsamples of cores and cuttings was determined. Water extracted from selected subsamples of cores was analyzed for tritium and the stable isotopes of oxygen and hydrogen. Water from suction-cup lysimeters and soil-gas samples also were analyzed for chemical and isotopic composition. In addition, data on the chemical and isotopic composition of bulk precipitation from five sites and on ground water from two water-table wells are reported.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00262","issn":"0566-8174","usgsCitation":"Izbicki, J., Clark, D.A., Pimental, M.I., Land, M., Radyk, J.C., and Michel, R.L., 2000, Data from a thick unsaturated zone underlying Oro Grande and Sheep Creek washes in the western part of the Mojave Desert, near Victorville, San Bernardino County, California: U.S. Geological Survey Open-File Report 2000-262, v, 133 p. , https://doi.org/10.3133/ofr00262.","productDescription":"v, 133 p. ","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":51239,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0262/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":154525,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0262/report-thumb.jpg"}],"country":"United States","state":"California","county":"San Bernardino 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I.","contributorId":67912,"corporation":false,"usgs":true,"family":"Pimental","given":"Maria","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":185367,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Land, Michael 0000-0001-5141-0307 mtland@usgs.gov","orcid":"https://orcid.org/0000-0001-5141-0307","contributorId":1479,"corporation":false,"usgs":true,"family":"Land","given":"Michael","email":"mtland@usgs.gov","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":false,"id":185365,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Radyk, John C.","contributorId":14847,"corporation":false,"usgs":true,"family":"Radyk","given":"John","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":185366,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Michel, Robert L. rlmichel@usgs.gov","contributorId":823,"corporation":false,"usgs":true,"family":"Michel","given":"Robert","email":"rlmichel@usgs.gov","middleInitial":"L.","affiliations":[{"id":148,"text":"Branch of Regional Research-Western Region","active":false,"usgs":true}],"preferred":true,"id":185362,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":24669,"text":"ofr00250 - 2000 - Method for estimating pesticide use for county areas of the conterminous United States","interactions":[],"lastModifiedDate":"2019-03-20T08:23:15","indexId":"ofr00250","displayToPublicDate":"2002-03-01T00:00:00","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":"2000–0250","displayTitle":"Method for Estimating Pesticide Use for County Areas of the Conterminous United States","title":"Method for estimating pesticide use for county areas of the conterminous United States","docAbstract":"<p>Information on the amount and distribution of pesticide compounds used throughout the United States is essential to evaluate the relation between water quality and pesticide use. This information is the basis of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program studies of the effects of pesticides on water quality in 57 major hydrologic systems, or study units, located throughout the conterminous United States. To support these studies, a method was devised to estimate county pesticide use for the conterminous United States by combining (1) state-level information on pesticide use rates available from the National Center for Food and Agricultural Policy, and (2) county-level information on harvested crop acreage from the Census of Agriculture. The average annual pesticide use, the total amount of pesticides applied (in pounds), and the corresponding area treated (in acres) were compiled for the 208 pesticide compounds that are applied to crops in the conterminous United States. Pesticide use was ranked by compound and crop on the basis of the amount of each compound applied to 86 selected crops. Tabular summaries of pesticide use for NAWQA study units and for the Nation were prepared, along with maps that show the distribution of selected pesticides to agricultural land.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr00250","issn":"0094-9140","usgsCitation":"Thelin, G.P., and Gianessi, L.P., 2000, Method for estimating pesticide use for county areas of the conterminous United States: U.S. Geological Survey Open-File Report 2000–0250, 67 p., https://doi.org/10.3133/ofr00250.","productDescription":"67 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true}],"links":[{"id":275125,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0250/ofr20000250.pdf","text":"Report","size":"1.66 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2000-0250"},{"id":157733,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0250/coverthb.jpg"}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.8,24.5 ], [ -124.8,49.383333 ], [ -66.95,49.383333 ], [ -66.95,24.5 ], [ -124.8,24.5 ] ] ] } } ] }","contact":"<p><a href=\"mailto:gs-w_nawqa_whq@usgs.gov\" data-mce-href=\"mailto:gs-w_nawqa_whq@usgs.gov\">National Water-Quality Assessment Program</a><br>U.S. Geological Survey<br>413 National Center<br>12201 Sunrise Valley Drive<br>Reston, Virginia 20192<br><a href=\"https://water.usgs.gov/nawqa/\" data-mce-href=\"https://water.usgs.gov/nawqa/\">https://water.usgs.gov/nawqa/</a></p>","tableOfContents":"<ul><li>Abstract</li><li>Introduction</li><li>The National Center for Food and Agricultural Policy’s State Pesticide Use Database</li><li>Method For Estimating County Pesticide Use</li><li>Limitations of the County Pesticide Use Data for Water-Quality Assessment</li><li>Summaries of Pesticide Use</li><li>The National Water-Quality Assessment’s Study Unit Summaries</li><li>Map Displays of Pesticide Use Data</li><li>Summary</li><li>References</li></ul>","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a51e4b07f02db629ed9","contributors":{"authors":[{"text":"Thelin, Gail P.","contributorId":75178,"corporation":false,"usgs":true,"family":"Thelin","given":"Gail","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":192355,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gianessi, Leonard P.","contributorId":73641,"corporation":false,"usgs":true,"family":"Gianessi","given":"Leonard","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":192354,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":29571,"text":"wri004210 - 2000 - Reconnaissance of the hydrology, water quality, and sources of bacterial and nutrient contamination in the Ozark Plateaus aquifer system and Cave Springs Branch of Honey Creek, Delaware County, Oklahoma, March 1999-March 2000","interactions":[],"lastModifiedDate":"2022-12-15T21:36:47.936357","indexId":"wri004210","displayToPublicDate":"2002-01-01T00:00:00","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":"2000-4210","title":"Reconnaissance of the hydrology, water quality, and sources of bacterial and nutrient contamination in the Ozark Plateaus aquifer system and Cave Springs Branch of Honey Creek, Delaware County, Oklahoma, March 1999-March 2000","docAbstract":"A reconnaissance investigation of hydrology and water quality was conducted to evaluate possible sources of bacteria and nutrient contamination in the Cave Springs Branch basin and the underlying karstic Ozark Plateau aquifer system. Objectives were to: (1) determine the directions of ground-water flow in the basin and determine whether Cave Springs Branch interacts with ground water, (2) compare water quality in Cave Springs Branch with water quality in nearby wells to determine whether the stream is contaminating nearby wells, and (3) determine sources of fecal coliform bacteria and nitrate contamination in Cave Springs Branch and ground water. Potential sources of bacteria and nitrate in the area include cultivated agriculture, cow and horse on pasture, poultry production, households, and wildlife. Presence of fecal coliform and fecal streptococcal bacteria directly indicate fecal contamination and the potential for the presence of other pathogenic organisms in a water supply. Nitrate in drinking water poses health risks and may indicate the presence of additional contaminants. \r\n\r\n \r\n\r\nFecal coliform bacteria colony counts were least in wells, intermediate in the poultry-processing plant wastewater outfall and Honey Creek above the confluence with Cave Springs Branch, and greatest in Cave Springs Branch. Bacteria strains and resistance to antibiotics by some bacteria indicate that livestock may have been sources of some bacteria in the water samples. Multiple antibiotic resistances were not present in the isolates from the water samples, indicating that the bacteria may not be from human or poultry sources. \r\n\r\n \r\n\r\nRibotyping indicates that Escherichia coli bacteria in water samples from the basin were from bird, cow, horse, dog, deer, and human sources. The presence of multiple ribotypes from each type of animal source except bird indicates that most of the bacteria are from multiple populations of source animals. Identifiable sources of bacteria in Cave Springs Branch at the state line were dominantly cow and horse with one ribotype from bird. Escherichia coli was detected in only one well sample. Bacterial ribotypes in water from that upgradient well indicated human and dog feces as sources for bacteria, and that on site wastewater treatment may not always be adequate in these highly permeable soils. \r\n\r\n \r\n\r\nGreater concentrations of nitrate in Cave Springs Branch and O'Brien Spring relative to the poultry-processing plant wastewater outfall may be due, in part, to conversion of ammonia from poultry processing plant wastewater. The poultry-processing plant wastewater outfall sample collected in March 2000 contained greater concentrations of ammonia and total organic nitrogen plus ammonia than the spring, stream, and well samples collected during August 1999. Cave Springs Branch and Honey Creek contributed approximately equal loads of nitrogen to Honey Creek below the confluence and the greatest loads of nitrogen were introduced to Cave Springs Branch by the poultry processing plant wastewater outfall and O'Brien Spring. Nitrate concentrations in upgradient well samples ranged from 0.38 to 4.60 milligrams per liter, indicating that there are sources of ground-water nitrogen other than Cave Springs Branch, such as animal waste, fertilizer, or human waste. Nitrogen compounds in water from wells downgradient of Cave Springs Branch may be from Cave Springs Branch, fertilizers, animal waste, or human waste.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri004210","usgsCitation":"Schlottmann, J.L., Tanner, R., and Samadpour, M., 2000, Reconnaissance of the hydrology, water quality, and sources of bacterial and nutrient contamination in the Ozark Plateaus aquifer system and Cave Springs Branch of Honey Creek, Delaware County, Oklahoma, March 1999-March 2000: U.S. Geological Survey Water-Resources Investigations Report 2000-4210, v, 67 p., https://doi.org/10.3133/wri004210.","productDescription":"v, 67 p.","costCenters":[],"links":[{"id":160437,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":2389,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri004210/","linkFileType":{"id":5,"text":"html"}},{"id":410583,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34790.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Oklahoma","county":"Delaware County","otherGeospatial":"Cave Springs Branch of Honey Creek, Ozark Plateaus aquifer system","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -94.7,\n              36.583\n            ],\n            [\n              -94.7,\n              36.517\n            ],\n            [\n              -94.567,\n              36.517\n            ],\n            [\n              -94.567,\n              36.583\n            ],\n            [\n              -94.7,\n              36.583\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a26e4b07f02db60f95c","contributors":{"authors":[{"text":"Schlottmann, Jamie L.","contributorId":8830,"corporation":false,"usgs":true,"family":"Schlottmann","given":"Jamie","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":201736,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tanner, Ralph S.","contributorId":57112,"corporation":false,"usgs":true,"family":"Tanner","given":"Ralph S.","affiliations":[],"preferred":false,"id":201737,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Samadpour, Mansour","contributorId":104947,"corporation":false,"usgs":true,"family":"Samadpour","given":"Mansour","email":"","affiliations":[],"preferred":false,"id":201738,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":21732,"text":"ofr00471 - 2000 - Digital data sets for map products produced as part of the Black Hills Hydrology Study, western South Dakota","interactions":[],"lastModifiedDate":"2012-02-02T00:07:50","indexId":"ofr00471","displayToPublicDate":"2001-12-01T00:00:00","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":"2000-471","title":"Digital data sets for map products produced as part of the Black Hills Hydrology Study, western South Dakota","docAbstract":"This compact disk contains digital data produced as part of the 1:100,000-scale map products for the Black Hills Hydrology Study conducted in western South Dakota. The digital data include 28 individual Geographic Information System (GIS) data sets: data sets for the hydrogeologic unit map including all mapped hydrogeologic units within the study area (1 data set) and major geologic structure including anticlines and synclines (1 data set); data sets for potentiometric maps including the potentiometric contours for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood aquifers (5 data sets), wells used as control points for each aquifer (5 data sets), and springs used as control points for the potentiometric contours (1 data set); and data sets for the structure-contour maps including the structure contours for the top of each formation that contains major aquifers (5 data sets), wells and tests holes used as control points for each formation (5 data sets), and surficial deposits (alluvium and terrace deposits) that directly overlie each of the major aquifer outcrops (5 data sets). These data sets were used to produce the maps published by the U.S. Geological Survey.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr00471","issn":"0566-8174","usgsCitation":"Williamson, J., Jarrell, G., Clawges, R.M., Galloway, J.M., and Carter, J.M., 2000, Digital data sets for map products produced as part of the Black Hills Hydrology Study, western South Dakota: U.S. Geological Survey Open-File Report 2000-471, NA, https://doi.org/10.3133/ofr00471.","productDescription":"NA","costCenters":[],"links":[{"id":153677,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1173,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/ofr00-471/ofr00471.html","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d4f2","contributors":{"authors":[{"text":"Williamson, Joyce E. jewillia@usgs.gov","contributorId":1964,"corporation":false,"usgs":true,"family":"Williamson","given":"Joyce E.","email":"jewillia@usgs.gov","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":false,"id":185451,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jarrell, Gregory J.","contributorId":27899,"corporation":false,"usgs":true,"family":"Jarrell","given":"Gregory J.","affiliations":[],"preferred":false,"id":185452,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Clawges, Rick M.","contributorId":71583,"corporation":false,"usgs":true,"family":"Clawges","given":"Rick","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":185453,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Galloway, Joel M. 0000-0002-9836-9724 jgallowa@usgs.gov","orcid":"https://orcid.org/0000-0002-9836-9724","contributorId":1562,"corporation":false,"usgs":true,"family":"Galloway","given":"Joel","email":"jgallowa@usgs.gov","middleInitial":"M.","affiliations":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":185450,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Carter, Janet M. 0000-0002-6376-3473 jmcarter@usgs.gov","orcid":"https://orcid.org/0000-0002-6376-3473","contributorId":339,"corporation":false,"usgs":true,"family":"Carter","given":"Janet","email":"jmcarter@usgs.gov","middleInitial":"M.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"preferred":false,"id":185449,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":6745,"text":"fs15900 - 2000 - Investigation of the geology and hydrology of the Mogollon Highlands of central Arizona: a project of the Arizona Rural Watershed Initiative","interactions":[],"lastModifiedDate":"2014-05-29T06:29:05","indexId":"fs15900","displayToPublicDate":"2001-12-01T00:00:00","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":"159-00","title":"Investigation of the geology and hydrology of the Mogollon Highlands of central Arizona: a project of the Arizona Rural Watershed Initiative","docAbstract":"<p>The Mogollon Highlands of east central Arizona is a region of forested plateau and mountains, deep, sheerwalled canyons, and desert valleys. Known for its scenic beauty and characterized by a generally mild climate, the area, though still sparsely populated, attracts an increasing number of tourists and summer residents. Furthermore, the permanent population is expected to nearly double over the next 50 years. Consequently, there is increased pressure on the water resources of this area for several sometimes conflicting uses. Rational management of water resources is necessary to meet increased domestic requirements while ensuring an adequate supply of water for commercial and agricultural use, for Indian lands, and for preservation of valued environmental elements, including surface waters, riparian woodlands, forest and grassland areas, and wildlife and aquatic habitat. Such management requires an understanding of the relations among different components of the hydrologic system—recharge areas, surface flows, shallow aquifers, deep aquifers, discharge areas, and the regional ground-water flow system—and how each is affected by geology, climate, topography, and human use.</p>\n<br/>\n<p>The U.S. Geological Survey (USGS) is conducting an assessment of the hydrogeology of the Mogollon Highlands in cooperation with the Arizona Department of Water Resources. The study, funded through the State’s Rural Watershed Initiative program, is one of three assessments being conducted by the USGS. Assessments also are underway in the Upper-Middle Verde River watershed and on the Coconino Plateau. Each study has as its objectives: (1) the collection, compilation, and evaluation of all existing geologic, hydrologic, and related data pertaining to the study area and the creation of a data base that is readily accessible to the public and (2) developing an understanding of the hydrogeologic framework, which is the relation between geologic and hydrologic properties, that can be used for water-- resources management purposes and that will support the development of an interpretive and predictive model to estimate the effects of climate and water use on the sustainability of regional water resources.</p>\n<br/>\n<p>Although the three contiguous areas in north-central Arizona are being studied separately, a single data base is being constructed from which data on each area can be extracted separately.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/fs15900","collaboration":"Prepared in cooperation with the Arizona Department of Water Resources","usgsCitation":"Parker, J.T., and Flynn, M., 2000, Investigation of the geology and hydrology of the Mogollon Highlands of central Arizona: a project of the Arizona Rural Watershed Initiative: U.S. Geological Survey Fact Sheet 159-00, 4 p., https://doi.org/10.3133/fs15900.","productDescription":"4 p.","numberOfPages":"4","costCenters":[{"id":128,"text":"Arizona Water Science Center","active":true,"usgs":true}],"links":[{"id":287719,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":287718,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/0159-00/report.pdf"}],"country":"United States","state":"Arizona","otherGeospatial":"Mogollon Highlands","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -112.0042,33.5048 ], [ -112.0042,35.0008 ], [ -110.2488,35.0008 ], [ -110.2488,33.5048 ], [ -112.0042,33.5048 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e47c8e4b07f02db4ab7e5","contributors":{"authors":[{"text":"Parker, John T.C.","contributorId":18766,"corporation":false,"usgs":true,"family":"Parker","given":"John","email":"","middleInitial":"T.C.","affiliations":[],"preferred":false,"id":153266,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flynn, Marilyn E. meflynn@usgs.gov","contributorId":1039,"corporation":false,"usgs":true,"family":"Flynn","given":"Marilyn E.","email":"meflynn@usgs.gov","affiliations":[{"id":128,"text":"Arizona Water Science Center","active":true,"usgs":true}],"preferred":true,"id":153265,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":21947,"text":"ofr00385 - 2000 - Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of selected herbicides and their degradation products in water using solid-phase extraction and gas chromatography/mass spectrometry","interactions":[],"lastModifiedDate":"2020-02-23T17:54:26","indexId":"ofr00385","displayToPublicDate":"2001-12-01T00:00:00","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":"2000-385","title":"Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of selected herbicides and their degradation products in water using solid-phase extraction and gas chromatography/mass spectrometry","docAbstract":"A method for the extraction and analysis of eight herbicides and five degradation products using solid-phase extraction from natural water samples followed by gas chromatography/mass spectrometry is presented in this report. This method was developed for dimethenamid; flufenacet; fluometuron and its degradation products, demethylfluometuron (DMFM), 3-(trifluromethyl)phenylurea (TFMPU), 3-(trifluromethyl)-aniline (TFMA); molinate; norflurazon and its degradation product, demethylnorflurazon; pendamethalin; the degradation product of prometryn, deisopropylprometryn; propanil; and trifluralin. The eight herbicides are used primarily in the southern United States where cotton, rice, and soybeans are produced. The exceptions are dimethenamid and flufenacet, which are used on corn in the Midwest. \rWater samples received by the U.S. Geological Survey's Organic Geochemistry Research Group in Lawrence, Kansas, are filtered to remove suspended particulate matter and then passed through disposable solid-phase extraction columns containing octadecyl-bonded porous silica (C-18) to extract the compounds. The herbicides and their degradation products are removed from the column by ethyl acetate elution. The eluate is evaporated under nitrogen, and components then are separated, identified, and quantified by injecting an aliquot of the concentrated extract into a high-resolution, fused-silica capillary column of a gas chromatograph/mass spectrometer under selected-ion mode. \rMethod detection limits ranged from 0.02 to 0.05 ?g/L for all compounds with the exception of TFMPU, which has a method detection limit of 0.32 ?g/L. The mean absolute recovery is 107 percent. This method for the determination of herbicides and their degradation products is valuable for acquiring information about water quality and compound fate and transport in water. ","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00385","issn":"0094-9140","usgsCitation":"Kish, J., Thurman, E., Scribner, E., and Zimmerman, L., 2000, Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of selected herbicides and their degradation products in water using solid-phase extraction and gas chromatography/mass spectrometry: U.S. Geological Survey Open-File Report 2000-385, iv, 13 p. , https://doi.org/10.3133/ofr00385.","productDescription":"iv, 13 p. ","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":154920,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0385/report-thumb.jpg"},{"id":1292,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/ofr00385","linkFileType":{"id":5,"text":"html"}},{"id":7659,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://ks.water.usgs.gov/pubs/reports/ofr.00-385.html","linkFileType":{"id":5,"text":"html"}},{"id":51422,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0385/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a54e4b07f02db62bc40","contributors":{"authors":[{"text":"Kish, J.L.","contributorId":97937,"corporation":false,"usgs":true,"family":"Kish","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":186377,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thurman, E.M.","contributorId":102864,"corporation":false,"usgs":true,"family":"Thurman","given":"E.M.","affiliations":[],"preferred":false,"id":186378,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scribner, E.A.","contributorId":50925,"corporation":false,"usgs":true,"family":"Scribner","given":"E.A.","email":"","affiliations":[],"preferred":false,"id":186376,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Zimmerman, L.R.","contributorId":28624,"corporation":false,"usgs":true,"family":"Zimmerman","given":"L.R.","email":"","affiliations":[],"preferred":false,"id":186375,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":23178,"text":"ofr00334 - 2000 - Climate change impacts on southeastern U.S. basins","interactions":[],"lastModifiedDate":"2012-02-02T00:07:59","indexId":"ofr00334","displayToPublicDate":"2001-11-01T00:00:00","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":"2000-334","title":"Climate change impacts on southeastern U.S. basins","docAbstract":"The work described herein aims to assess the impacts of potential climate change on the Apalachicola-Chattahoochee-Flint (ACF) and Alabama-Coosa-Talapoosa (ACT) river basins in the Southeastern US. The assessment addresses the potential impacts on watershed hydrology (soil moisture and streamflow) and on major water uses including water supply, drought management, hydropower, environmental and ecological protection, recreation, and navigation. This investigation develops new methods, establishes and uses an integrated modeling framework, and reaches several important conclusions that bear upon river basin planning and management. Although the specific impacts vary significantly with the choice of the GCM scenario, some general conclusions are that (1) soil moisture and streamflow variability is expected to increase, and (2) flexible and adaptive water sharing agreements, management strategies, and institutional processes are best suited to cope with the uncertainty associated with future climate scenarios.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00334","issn":"0094-9140","usgsCitation":"Georgakakos, A.P., and Yao, H., 2000, Climate change impacts on southeastern U.S. basins (Online version 1.0.): U.S. Geological Survey Open-File Report 2000-334, 72 p., https://doi.org/10.3133/ofr00334.","productDescription":"72 p.","costCenters":[],"links":[{"id":154946,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1314,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/of00-334/","linkFileType":{"id":5,"text":"html"}}],"edition":"Online version 1.0.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49d6e4b07f02db5de1e4","contributors":{"authors":[{"text":"Georgakakos, Aris P.","contributorId":59828,"corporation":false,"usgs":true,"family":"Georgakakos","given":"Aris","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":189589,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Yao, Huaming","contributorId":25592,"corporation":false,"usgs":true,"family":"Yao","given":"Huaming","email":"","affiliations":[],"preferred":false,"id":189588,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22592,"text":"ofr00332 - 2000 - An assessment of irrigation needs and crop yield for the United States under potential climate changes","interactions":[],"lastModifiedDate":"2012-02-02T00:08:03","indexId":"ofr00332","displayToPublicDate":"2001-11-01T00:00:00","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":"2000-332","title":"An assessment of irrigation needs and crop yield for the United States under potential climate changes","docAbstract":"Past assessments of climate change on U.S. agriculture have mostly focused on changes in crop yield. Few studies have included the entire conterminous U.S., and few studies have assessed changing irrigation requirements. None have included the effects of changing soil moisture characteristics as determined by changing climatic forcing. This study assesses changes in irrigation requirements and crop yields for five crops in the areas of the U.S. where they have traditionally been grown. Physiologically-based crop models are used to incorporate inputs of climate, soils, agricultural management, and drought stress tolerance. Soil moisture values from a macroscale hydrologic model run under a future climate scenario are used to initialize soil moisture content at the beginning of each growing season. Historical crop yield data is used to calibrate model parameters and determine locally acceptable drought stress as a management parameter. Changes in irrigation demand and crop yield are assessed for both means and extremes by comparing results for atmospheric forcing close to the present climate with those for a future climate scenario. Assessments using the Canadian Center for Climate Modeling and Analysis General Circulation Model (CGCM1) indicate greater irrigation demands in the southern U.S. and decreased irrigation demands in the northern and western U.S. Crop yields typically increase except for winter wheat in the southern U.S. and corn. Variability in both irrigation demands and crop yields increases in most cases. Assessment results for the CGCM1 climate scenario are compared to those for the Hadley Centre for Climate Prediction and Research GCM (HadCM2) scenario for southwestern Georgia. The comparison shows significant differences in irrigation and yield trends, both in magnitude and direction. The differences reflect the high forecast uncertainty of current GCMs. Nonetheless, both GCMs indicate higher variability in future climatic forcing and, consequently, in the response of agricultural systems.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00332","issn":"0094-9140","usgsCitation":"Brumbelow, K., and Georgakakos, A.P., 2000, An assessment of irrigation needs and crop yield for the United States under potential climate changes (Online version 1.0.): U.S. Geological Survey Open-File Report 2000-332, 50 p., https://doi.org/10.3133/ofr00332.","productDescription":"50 p.","costCenters":[],"links":[{"id":155779,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1369,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/of00-332/","linkFileType":{"id":5,"text":"html"}}],"edition":"Online version 1.0.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad8e4b07f02db684996","contributors":{"authors":[{"text":"Brumbelow, Kelly","contributorId":6089,"corporation":false,"usgs":true,"family":"Brumbelow","given":"Kelly","email":"","affiliations":[],"preferred":false,"id":188528,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Georgakakos, Aris P.","contributorId":59828,"corporation":false,"usgs":true,"family":"Georgakakos","given":"Aris","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":188529,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22656,"text":"ofr00333 - 2000 - Assessment of Folsom Lake Watershed response to historical and potential future climate scenarios","interactions":[],"lastModifiedDate":"2012-02-02T00:07:51","indexId":"ofr00333","displayToPublicDate":"2001-11-01T00:00:00","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":"2000-333","title":"Assessment of Folsom Lake Watershed response to historical and potential future climate scenarios","docAbstract":"An integrated forecast-control system was designed to allow the profitable use of ensemble forecasts for the operational management of multi-purpose reservoirs. The system ingests large-scale climate model monthly precipitation through the adjustment of the marginal distribution of reservoir-catchment precipitation to reflect occurrence of monthly climate precipitation amounts in the extreme terciles of their distribution. Generation of ensemble reservoir inflow forecasts is then accomplished with due account for atmospheric- forcing and hydrologic- model uncertainties. These ensemble forecasts are ingested by the decision component of the integrated system, which generates non- inferior trade-off surfaces and, given management preferences, estimates of reservoir- management benefits over given periods. In collaboration with the Bureau of Reclamation and the California Nevada River Forecast Center, the integrated system is applied to Folsom Lake in California to evaluate the benefits for flood control, hydroelectric energy production, and low flow augmentation. In addition to retrospective studies involving the historical period 1964-1993, system simulations were performed for the future period 2001-2030, under a control (constant future greenhouse-gas concentrations assumed at the present levels) and a greenhouse-gas- increase (1-% per annum increase assumed) scenario. The present paper presents and validates ensemble 30-day reservoir- inflow forecasts under a variety of situations. Corresponding reservoir management results are presented in Yao and Georgakakos, A., this issue. Principle conclusions of this paper are that the integrated system provides reliable ensemble inflow volume forecasts at the 5-% confidence level for the majority of the deciles of forecast frequency, and that the use of climate model simulations is beneficial mainly during high flow periods. It is also found that, for future periods with potential sharp climatic increases of precipitation amount and to maintain good reliability levels, operational ensemble inflow forecasting should involve atmospheric forcing from appropriate climatic periods.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00333","issn":"0094-9140","usgsCitation":"Carpenter, T.M., and Georgakakos, K.P., 2000, Assessment of Folsom Lake Watershed response to historical and potential future climate scenarios (Online version 1.0.): U.S. Geological Survey Open-File Report 2000-333, 43 p., https://doi.org/10.3133/ofr00333.","productDescription":"43 p.","costCenters":[],"links":[{"id":153634,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1419,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/of00-333/","linkFileType":{"id":5,"text":"html"}}],"edition":"Online version 1.0.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db6693a7","contributors":{"authors":[{"text":"Carpenter, Theresa M.","contributorId":34772,"corporation":false,"usgs":true,"family":"Carpenter","given":"Theresa","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":188651,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Georgakakos, Konstantine P.","contributorId":56676,"corporation":false,"usgs":true,"family":"Georgakakos","given":"Konstantine","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":188652,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":23469,"text":"ofr00506 - 2000 - Principal facts for gravity stations in the Antelope Valley-Bedell Flat area, west-central Nevada","interactions":[],"lastModifiedDate":"2023-06-22T13:32:55.643478","indexId":"ofr00506","displayToPublicDate":"2001-11-01T00:00:00","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":"2000-506","title":"Principal facts for gravity stations in the Antelope Valley-Bedell Flat area, west-central Nevada","docAbstract":"In April 2000 the U.S. Geological Survey (USGS) established 211 gravity stations in the Antelope Valley and Bedell Flat area of west-central Nevada (see figure 1). The stations were located about 15 miles north of Reno, Nevada, southwest of Dogskin Mountain, and east of Petersen Mountain, concentrated in Antelope Valley and Bedell Flat (figure 2). The ranges in this area primarily consist of normal-faulted Cretaceous granitic rocks, with some volcanic and metavolcanic rocks.\n\nThe purpose of the survey was to characterize the hydrogeologic framework of Antelope Valley and Bedell Flat in support of future hydrologic investigations. The information developed during this study can be used in groundwater models.\n\nGravity data were collected between latitude 39°37.5' and 40°00' N and longitude 119°37.5' and 120°00' W. The stations were located on the Seven Lakes Mountain, Dogskin Mountain, Granite Peak, Bedell Flat, Fraser Flat, and Reno NE 7.5 minute quadrangles. All data were tied to secondary base station RENO-A located on the campus of the University of Nevada at Reno (UNR) in Reno, Nevada (latitude 39°32.30' N, longitude 119°48.70' W, observed gravity value 979674.69 mGal). The value for observed gravity was calculated by multiple ties to the base station RENO (latitude 39°32.30' N, longitude 119°48.70' W, observed gravity value 979674.65 mGal), also on the UNR campus. The isostatic gravity map (figure 3) includes additional data sets from the following sources: 202 stations from a Geological Survey digital data set (Ponce, 1997), and 126 stations from Thomas C. Carpenter (written commun., 1998).","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr00506","usgsCitation":"Jewel, E.B., Ponce, D.A., and Morin, R.L., 2000, Principal facts for gravity stations in the Antelope Valley-Bedell Flat area, west-central Nevada: U.S. Geological Survey Open-File Report 2000-506, 19 p., https://doi.org/10.3133/ofr00506.","productDescription":"19 p.","numberOfPages":"21","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":1790,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/0506/","linkFileType":{"id":5,"text":"html"}},{"id":156840,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0506/report-thumb.jpg"},{"id":52782,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0506/pdf/of00-506.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":414299,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34762.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Nevada","otherGeospatial":"Antelope Valley, Bedell Flat","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -120,\n              39.625\n            ],\n            [\n              -120,\n              40\n            ],\n            [\n              -119.625,\n              40\n            ],\n            [\n              -119.625,\n              39.625\n            ],\n            [\n              -120,\n              39.625\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa8e4b07f02db667dba","contributors":{"authors":[{"text":"Jewel, Eleanore B.","contributorId":91787,"corporation":false,"usgs":true,"family":"Jewel","given":"Eleanore","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":190161,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ponce, David A. 0000-0003-4785-7354 ponce@usgs.gov","orcid":"https://orcid.org/0000-0003-4785-7354","contributorId":1049,"corporation":false,"usgs":true,"family":"Ponce","given":"David","email":"ponce@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":190159,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morin, Robert L.","contributorId":82671,"corporation":false,"usgs":true,"family":"Morin","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":190160,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":31183,"text":"ofr00445 - 2000 - Selected hydrologic and water-quality data, 1997 through 1999, for the Lake Traverse Reservation/Roberts County water-resources investigation in South Dakota","interactions":[],"lastModifiedDate":"2012-02-02T00:09:06","indexId":"ofr00445","displayToPublicDate":"2001-11-01T00:00:00","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":"2000-445","title":"Selected hydrologic and water-quality data, 1997 through 1999, for the Lake Traverse Reservation/Roberts County water-resources investigation in South Dakota","language":"ENGLISH","doi":"10.3133/ofr00445","usgsCitation":"Thompson, R.F., 2000, Selected hydrologic and water-quality data, 1997 through 1999, for the Lake Traverse Reservation/Roberts County water-resources investigation in South Dakota: U.S. Geological Survey Open-File Report 2000-445, ix, 304 p. : ill., maps ; 28 cm. , https://doi.org/10.3133/ofr00445.","productDescription":"ix, 304 p. : ill., maps ; 28 cm. ","costCenters":[],"links":[{"id":160959,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0445/report-thumb.jpg"},{"id":59698,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0445/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a06e4b07f02db5f8d3c","contributors":{"authors":[{"text":"Thompson, R. F.","contributorId":67115,"corporation":false,"usgs":true,"family":"Thompson","given":"R.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":205260,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":28184,"text":"wri004132 - 2000 - Benthic flux of metals and nutrients into the water column of Lake Coeur d'Alene, Idaho: Report of an August, 1999, pilot study","interactions":[],"lastModifiedDate":"2022-01-27T21:55:59.402929","indexId":"wri004132","displayToPublicDate":"2001-10-01T00:00:00","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":"2000-4132","title":"Benthic flux of metals and nutrients into the water column of Lake Coeur d'Alene, Idaho: Report of an August, 1999, pilot study","docAbstract":"A field study was conducted between August 16-27, 1999, to provide the first direct measurements of the benthic flux of dissolved (0.2-micron filtered) solutes between the bottom sediment and water column at two sites in Lake Coeur d'Alene, Idaho. Trace metals (namely, cadmium, copper, manganese, mercury species, and zinc) and nutrients (namely, ammonia, nitrate plus nitrite, oxygen, orthophosphate and silica) were solutes of primary interest. Benthic flux (sometimes referred to as internal recycling) represents the transport of dissolved chemical species between the water column and the underlying sediment.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri004132","usgsCitation":"Kuwabara, J.S., Berelson, W.M., Balistrieri, L.S., Woods, P.F., Topping, B.R., Steding, D.J., and Krabbenhoft, D.P., 2000, Benthic flux of metals and nutrients into the water column of Lake Coeur d'Alene, Idaho: Report of an August, 1999, pilot study: U.S. Geological Survey Water-Resources Investigations Report 2000-4132, 74 p., https://doi.org/10.3133/wri004132.","productDescription":"74 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":159240,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":395021,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34283.htm"},{"id":2319,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri004132","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Idaho","otherGeospatial":"Lake Coeur d'Alene","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -116.81625366210938,\n              47.68018294648414\n            ],\n            [\n              -116.707763671875,\n              47.66538735632654\n            ],\n            [\n              -116.64596557617188,\n              47.635783590864854\n            ],\n            [\n              -116.64321899414062,\n              47.61079236060622\n            ],\n            [\n              -116.7572021484375,\n              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Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":199352,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Berelson, William M.","contributorId":52614,"corporation":false,"usgs":true,"family":"Berelson","given":"William","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":199354,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Balistrieri, Laurie S. 0000-0002-6359-3849 balistri@usgs.gov","orcid":"https://orcid.org/0000-0002-6359-3849","contributorId":1406,"corporation":false,"usgs":true,"family":"Balistrieri","given":"Laurie","email":"balistri@usgs.gov","middleInitial":"S.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":662,"text":"Western Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":199349,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Woods, Paul F.","contributorId":82273,"corporation":false,"usgs":true,"family":"Woods","given":"Paul","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":199355,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Topping, Brent R. 0000-0002-7887-4221 btopping@usgs.gov","orcid":"https://orcid.org/0000-0002-7887-4221","contributorId":1484,"corporation":false,"usgs":true,"family":"Topping","given":"Brent","email":"btopping@usgs.gov","middleInitial":"R.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":199350,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Steding, Douglas J.","contributorId":50943,"corporation":false,"usgs":true,"family":"Steding","given":"Douglas","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":199353,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Krabbenhoft, David P. 0000-0003-1964-5020 dpkrabbe@usgs.gov","orcid":"https://orcid.org/0000-0003-1964-5020","contributorId":1658,"corporation":false,"usgs":true,"family":"Krabbenhoft","given":"David","email":"dpkrabbe@usgs.gov","middleInitial":"P.","affiliations":[{"id":37464,"text":"WMA - Laboratory & Analytical Services Division","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true},{"id":677,"text":"Wisconsin Water Science Center","active":true,"usgs":true}],"preferred":true,"id":199351,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":23947,"text":"ofr00485 - 2000 - Estimation of hydraulic parameters from an unconfined aquifer test conducted in a glacial outwash deposit, Cape Cod, Massachusetts","interactions":[],"lastModifiedDate":"2020-02-23T17:09:25","indexId":"ofr00485","displayToPublicDate":"2001-10-01T00:00:00","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":"2000-485","title":"Estimation of hydraulic parameters from an unconfined aquifer test conducted in a glacial outwash deposit, Cape Cod, Massachusetts","docAbstract":"An aquifer test conducted in a sand and gravel, glacial outwash deposit on Cape Cod, Massachusetts was analyzed by means of a model for flow to a partially penetrating well in a homogeneous, anisotropic unconfined aquifer. The model is designed to account for all significant mechanisms expected to influence drawdown in observation piezometers and in the pumped well. In addition to the usual fluid-flow and storage processes, additional processes include effects of storage in the pumped well, storage in observation piezometers, effects of skin at the pumped-well screen, and effects of drainage from the zone above the water table. The aquifer was pumped at a rate of 320 gallons per minute for 72-hours and drawdown measurements were made in the pumped well and in 20 piezometers located at various distances from the pumped well and depths below the land surface. To facilitate the analysis, an automatic parameter estimation algorithm was used to obtain relevant unconfined aquifer parameters, including the saturated thickness and a set of empirical parameters that relate to gradual drainage from the unsaturated zone. \rDrainage from the unsaturated zone is treated in this paper as a finite series of exponential terms, each of which contains one empirical parameter that is to be determined. It was necessary to account for effects of gradual drainage from the unsaturated zone to obtain satisfactory agreement between measured and simulated drawdown, particularly in piezometers located near the water table. The commonly used assumption of instantaneous drainage from the unsaturated zone gives rise to large discrepancies between measured and predicted drawdown in the intermediate-time range and can result in inaccurate estimates of aquifer parameters when automatic parameter estimation procedures are used. \rThe values of the estimated hydraulic parameters are consistent with estimates from prior studies and from what is known about the aquifer at the site. Effects of heterogeneity at the site were small as measured drawdowns in all piezometers and wells were very close to the simulated values for a homogeneous porous medium. The estimated values are: specific yield, 0.26; saturated thickness, 170 feet; horizontal hydraulic conductivity, 0.23 feet per minute; vertical hydraulic conductivity, 0.14 feet per minute; and specific storage, 1.3x10-5 per foot. \rIt was found that drawdown in only a few piezometers strategically located at depth near the pumped well yielded parameter estimates close to the estimates obtained for the entire data set analyzed simultaneously. If the influence of gradual drainage from the unsaturated zone is not taken into account, specific yield is significantly underestimated even in these deep-seated piezometers. This helps to explain the low values of specific yield often reported for granular aquifers in the literature. If either the entire data set or only the drawdown in selected deep-seated piezometers was used, it was found unnecessary to conduct the test for the full 72-hours to obtain accurate estimates of the hydraulic parameters. For some piezometer groups, practically identical results would be obtained for an aquifer test conducted for only 8-hours. Drawdowns measured in the pumped well and piezometers at distant locations were diagnostic only of aquifer transmissivity.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00485","issn":"0094-9140","usgsCitation":"Moench, A., Garabedian, S.P., and LeBlanc, D.R., 2000, Estimation of hydraulic parameters from an unconfined aquifer test conducted in a glacial outwash deposit, Cape Cod, Massachusetts: U.S. Geological Survey Open-File Report 2000-485, 132 p., https://doi.org/10.3133/ofr00485.","productDescription":"132 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":154947,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1651,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/ofr00-485/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Massachusetts ","otherGeospatial":"Cape Cod","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -70.68603515625,\n              41.566141964768384\n            ],\n            [\n              -69.873046875,\n              41.566141964768384\n            ],\n            [\n              -69.873046875,\n              42.09007006868398\n            ],\n            [\n              -70.68603515625,\n              42.09007006868398\n            ],\n            [\n              -70.68603515625,\n              41.566141964768384\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb291","contributors":{"authors":[{"text":"Moench, A.F.","contributorId":91495,"corporation":false,"usgs":true,"family":"Moench","given":"A.F.","email":"","affiliations":[],"preferred":false,"id":191025,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Garabedian, Stephen P.","contributorId":91090,"corporation":false,"usgs":true,"family":"Garabedian","given":"Stephen","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":191024,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"LeBlanc, Denis R. 0000-0002-4646-2628 dleblanc@usgs.gov","orcid":"https://orcid.org/0000-0002-4646-2628","contributorId":1696,"corporation":false,"usgs":true,"family":"LeBlanc","given":"Denis","email":"dleblanc@usgs.gov","middleInitial":"R.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":191023,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":21574,"text":"ofr2000188 - 2000 - Aeromagnetic Survey of the Amargosa Desert, Nevada and California: A Tool for Understanding Near-Surface Geology and Hydrology","interactions":[],"lastModifiedDate":"2012-02-10T00:10:07","indexId":"ofr2000188","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-188","title":"Aeromagnetic Survey of the Amargosa Desert, Nevada and California: A Tool for Understanding Near-Surface Geology and Hydrology","docAbstract":"A high-resolution aeromagnetic survey of the Amargosa Desert and surrounding areas provides insights into the buried geology of this structurally complex region. The survey covers an area of approximately 7,700 km2 (2,970 mi2), extending from Beatty, Nevada, to south of Shoshone, California, and includes parts of the Nevada Test Site and Death Valley National Park. Aeromagnetic flight lines were oriented east-west, spaced 400 m (0.25 mi) apart, and flown at an altitude of 150 m (500 ft) above terrain, or as low as permitted by safety considerations. Characteristic magnetic anomalies occur over volcanic terranes, such as Yucca Mountain and the Greenwater Range, and over Proterozoic basement rocks, such as Bare Mountain and the Black Mountains. Linear magnetic anomalies caused by offsets of volcanic rocks permit detailed mapping of shallow faults in volcanic terranes. Of particular interest are subtle anomalies that overlie alluvial deposits at Devils Hole and Pahrump Valley. Alignments of springs along magnetic anomalies at these locales suggest that these anomalies are caused by faults that cut the alluvium, displace magnetic rocks at depth, and eventually influence ground-water flow. Linear magnetic anomalies over the Funeral Mountains appear to coincide with a prominent set of north-northeast-striking faults that cut the Precambrian Stirling Quartzite, rocks that are typically nonmagnetic. The position and orientation of these anomalies with respect to springs north of Furnace Creek suggest that the faults may act as conduits for the flow of water from the north into Death Valley, but the mineralogical cause of the anomalies is unknown.","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/ofr2000188","usgsCitation":"Blakely, R.J., Langenheim, V., Ponce, D.A., and Dixon, G.L., 2000, Aeromagnetic Survey of the Amargosa Desert, Nevada and California: A Tool for Understanding Near-Surface Geology and Hydrology (Online Version 1.0): U.S. Geological Survey Open-File Report 2000-188, Report: 39 p.; 2 Plates: each 21 x 27 inches; Data, https://doi.org/10.3133/ofr2000188.","productDescription":"Report: 39 p.; 2 Plates: each 21 x 27 inches; Data","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":314,"text":"Geophysics Unit of Menlo Park, CA (GUMP)","active":false,"usgs":true}],"links":[{"id":110101,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_29221.htm","linkFileType":{"id":5,"text":"html"},"description":"29221"},{"id":153527,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":10723,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/of00-188/","linkFileType":{"id":5,"text":"html"}}],"scale":"250000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117,35.75 ], [ -117,37 ], [ -115.5,37 ], [ -115.5,35.75 ], [ -117,35.75 ] ] ] } } ] }","edition":"Online Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b02e4b07f02db698a19","contributors":{"authors":[{"text":"Blakely, Richard J. 0000-0003-1701-5236 blakely@usgs.gov","orcid":"https://orcid.org/0000-0003-1701-5236","contributorId":1540,"corporation":false,"usgs":true,"family":"Blakely","given":"Richard","email":"blakely@usgs.gov","middleInitial":"J.","affiliations":[{"id":662,"text":"Western Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":184715,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"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":184714,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ponce, David A. 0000-0003-4785-7354 ponce@usgs.gov","orcid":"https://orcid.org/0000-0003-4785-7354","contributorId":1049,"corporation":false,"usgs":true,"family":"Ponce","given":"David","email":"ponce@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":184713,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dixon, Gary L.","contributorId":23571,"corporation":false,"usgs":true,"family":"Dixon","given":"Gary","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":184716,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":23840,"text":"ofr00371 - 2000 - Ground geophysical study of the Buckeye mine tailings, Boulder watershed, Montana","interactions":[],"lastModifiedDate":"2020-02-26T19:21:15","indexId":"ofr00371","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-371","title":"Ground geophysical study of the Buckeye mine tailings, Boulder watershed, Montana","docAbstract":"<p>The Buckeye mine site is located in the Boulder River watershed along Basin Creek, in northern Jefferson County, Montana. This project is part of the Boulder River watershed Abandoned Mine Lands Initiative, and is a collaborative effort between the U.S. Geological Survey and Bureau of Land Management in the U.S. Department of the Interior, and the U.S. Forest Service in the U.S. Department of Agriculture. The site includes a large flotation milltailing deposit, which extends to the stream and meadows below the mine. These tailings contain elevated levels of metals, such as silver, cadmium, copper, lead, and zinc. Metal-rich fluvial tailings containing these metals, are possible sources of ground and surface water contamination. Geophysical methods were used to characterize the sediments at the Buckeye mine site. Ground geophysical surveys, including electromagnetics, DC resistivity, and total field magnetic methods, were used to delineate anomalies that probably correlate with subsurface metal contamination. Subsurface conductivity was mapped using EM-31 and EM-34 terrain conductivity measuring systems. The conductivity maps represent variation of concentration of dissolved solids in the subsurface from a few meters, to an approximate depth of 30 meters. Conductive sulfides several centimeters thick were encountered in a shallow trench, dug in an area of very high conductivity, at a depth of approximately 1 to1.5 meters. Laboratory measurements of samples of the sulfide layers show the conductivity is on the order of 1000 millisiemens. DC resistivity soundings were used to quantify subsurface conductivity variations and to estimate the depth to bedrock. Total field magnetic measurements were used to identify magnetic metals in the subsurface. The EM surveys identified several areas of relatively high conductivity and detected a conductive plume extending to the southwest, toward the stream. This plume correlates well with the potentiometric surface and direction of ground water flow, and with water quality data from monitoring wells in and around the tailings. The electrical geophysical data suggests there has been vertical migration of high dissolved solids. A DC sounding made on a nearby granite outcrop to the north of the mine showed that the shallow conductivity is on the order of 5 millisiemens/m. Granite underlying the mine tailings, with similar electrical properties as the outcropping area, may be more than 30 meters deep.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00371","issn":"0094-9140","usgsCitation":"McDougal, R., and Smith, B.D., 2000, Ground geophysical study of the Buckeye mine tailings, Boulder watershed, Montana: U.S. Geological Survey Open-File Report 2000-371, 55 p., https://doi.org/10.3133/ofr00371.","productDescription":"55 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":156569,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":341961,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0371/ofr-00-0371.pdf","text":"Report","size":"11 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"},{"id":1574,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0371/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Montana","county":"Jefferson County","otherGeospatial":" Basin Creek, Boulder River watershed, Buckeye mine","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -112.4066162109375,\n              46.375\n            ],\n            [\n              -112.25,\n              46.375\n            ],\n            [\n              -112.25,\n              46.5720787149159\n            ],\n            [\n              -112.4066162109375,\n              46.5720787149159\n            ],\n            [\n              -112.4066162109375,\n              46.375\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ab0e4b07f02db66dcdf","contributors":{"authors":[{"text":"McDougal, Robert R.","contributorId":53418,"corporation":false,"usgs":true,"family":"McDougal","given":"Robert R.","affiliations":[],"preferred":false,"id":190839,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, Bruce D. 0000-0002-1643-2997 bsmith@usgs.gov","orcid":"https://orcid.org/0000-0002-1643-2997","contributorId":845,"corporation":false,"usgs":true,"family":"Smith","given":"Bruce","email":"bsmith@usgs.gov","middleInitial":"D.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":190838,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22403,"text":"ofr2000380 - 2000 - Droughts in Georgia","interactions":[],"lastModifiedDate":"2016-12-07T15:55:43","indexId":"ofr2000380","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-380","title":"Droughts in Georgia","docAbstract":"Droughts do not have the immediate effects of floods, but sustained droughts can cause economic stress throughout the State. The word 'drought' has various meanings, depending on a person's perspective. To a farmer, a drought is a period of moisture deficiency that affects the crops under cultivation - even two weeks without rainfall can stress many crops during certain periods of the growing cycle. To a meteorologist, a drought is a prolonged period when precipitation is less than normal. To a water manager, a drought is a deficiency in water supply that affects water availability and water quality. To a hydrologist, a drought is an extended period of decreased precipitation and streamflow. Droughts in Georgia have severely affected municipal and industrial water supplies, agriculture, stream water quality, recreation at major reservoirs, hydropower generation, navigation, and forest resources.\r\n\r\nIn Georgia, droughts have been documented at U.S. Geological Survey (USGS) streamflow gaging stations since the 1890's. From 1910 to 1940, about 20 streamflow gaging stations were in operation. Since the early 1950's through the late 1980's, about 100 streamflow gaging stations were in operation. Currently (2000), the USGS streamflow gaging network consists of more than 135 continuous-recording gages. Ground-water levels are currently monitored at 165 wells equipped with continuous recorders.","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/ofr2000380","issn":"0094-9140","usgsCitation":"Barber, N.L., and Stamey, T.C., 2000, Droughts in Georgia: U.S. Geological Survey Open-File Report 2000-380, 2 p., https://doi.org/10.3133/ofr2000380.","productDescription":"2 p.","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":156001,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":10475,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/0380/","linkFileType":{"id":5,"text":"html"}}],"country":"United 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,{"id":38124,"text":"ofr00393 - 2000 - Velocity and stage data collected in a laboratory flume for water-surface slope determination using a pipe manometer","interactions":[],"lastModifiedDate":"2021-12-03T12:15:26.753567","indexId":"ofr00393","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-393","title":"Velocity and stage data collected in a laboratory flume for water-surface slope determination using a pipe manometer","docAbstract":"U.S. Geological Survey (USGS) hydrologists and ecologist are conducting studies to quantify vegetative flow resistance in order to improve numerical models of surface-water flow in the Florida Everglades. Water-surface slope is perhaps the most difficult of the flow resistance parameters to measure in the Everglades due to the very low gradients of the topography and flow. In an effort to measure these very small slopes, a unique pipe manometer was developed for the local measurement of water-surface slopes on the order of 1 centimeter per kilometer (cm/km). \r\n\r\nAccording to theory, a very precise measurement of centerline velocity obtained inside the pipe manometer should serve as a unique proxy for water-surface slope in the direction of the pipe axis. In order to confirm this theoretical relationship and calibrate the pipe manometer, water-surface elevation and pipe centerline velocity data were simultaneously measured in a set of experiments carried out in the tilting flume at the USGS Hydraulic Laboratory Facility at Stennis Space Center, Mississippi. A description of the instrumentation and methods used to evaluate this technique for measuring water-surface slope as well as a summary of the entire data set is presented.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00393","issn":"0094-9140","usgsCitation":"Lee, J.K., Visser, H.M., Jenter, H., and Duff, M.P., 2000, Velocity and stage data collected in a laboratory flume for water-surface slope determination using a pipe manometer: U.S. Geological Survey Open-File Report 2000-393, iv, 28 p., https://doi.org/10.3133/ofr00393.","productDescription":"iv, 28 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":64373,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0393/report.pdf","text":"Report","size":"7.31 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 00-393"},{"id":164517,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0393/report-thumb.jpg"}],"contact":"<p><a href=\"https://www.usgs.gov/centers/car-fl-water\" data-mce-href=\"https://www.usgs.gov/centers/car-fl-water\">Caribbean-Florida Water Science Center</a><br>U.S. Geological Survey<br>3321 College Avenue<br>Davie, FL 33314</p><p><a href=\"../contact\" data-mce-href=\"../contact\">Contact Pubs Warehouse</a></p>","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49a0e4b07f02db5bdc52","contributors":{"authors":[{"text":"Lee, Jonathan K.","contributorId":60186,"corporation":false,"usgs":true,"family":"Lee","given":"Jonathan","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":219085,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Visser, H. M.","contributorId":53858,"corporation":false,"usgs":true,"family":"Visser","given":"H.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":219084,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jenter, H. L.","contributorId":25167,"corporation":false,"usgs":true,"family":"Jenter","given":"H. L.","affiliations":[],"preferred":false,"id":219083,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Duff, M. P.","contributorId":21204,"corporation":false,"usgs":true,"family":"Duff","given":"M.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":219082,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":25591,"text":"wri004192 - 2000 - Hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer, Idaho National Engineering and Environmental Laboratory, Idaho, 1996 through 1998","interactions":[],"lastModifiedDate":"2012-02-02T00:08:29","indexId":"wri004192","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-4192","title":"Hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer, Idaho National Engineering and Environmental Laboratory, Idaho, 1996 through 1998","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/wri004192","usgsCitation":"Bartholomay, R.C., Tucker, B., Davis, L., and Greene, M., 2000, Hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer, Idaho National Engineering and Environmental Laboratory, Idaho, 1996 through 1998: U.S. Geological Survey Water-Resources Investigations Report 2000-4192, vi, 52 p. :ill., maps ;28 cm., https://doi.org/10.3133/wri004192.","productDescription":"vi, 52 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":95543,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2000/4192/report.pdf","size":"8899","linkFileType":{"id":1,"text":"pdf"}},{"id":158236,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2000/4192/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a28e4b07f02db611615","contributors":{"authors":[{"text":"Bartholomay, Roy C. 0000-0002-4809-9287 rcbarth@usgs.gov","orcid":"https://orcid.org/0000-0002-4809-9287","contributorId":1131,"corporation":false,"usgs":true,"family":"Bartholomay","given":"Roy","email":"rcbarth@usgs.gov","middleInitial":"C.","affiliations":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"preferred":true,"id":194325,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tucker, B.J.","contributorId":42230,"corporation":false,"usgs":true,"family":"Tucker","given":"B.J.","email":"","affiliations":[],"preferred":false,"id":194326,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Davis, L.C.","contributorId":82291,"corporation":false,"usgs":true,"family":"Davis","given":"L.C.","email":"","affiliations":[],"preferred":false,"id":194327,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Greene, M.R.","contributorId":96723,"corporation":false,"usgs":true,"family":"Greene","given":"M.R.","email":"","affiliations":[],"preferred":false,"id":194328,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":25565,"text":"wri004142 - 2000 - Hydrogeologic characterization of six sites in southeastern Minnesota using borehole flowmeters and other geophysical logs","interactions":[],"lastModifiedDate":"2020-02-24T06:25:48","indexId":"wri004142","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-4142","title":"Hydrogeologic characterization of six sites in southeastern Minnesota using borehole flowmeters and other geophysical logs","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri004142","usgsCitation":"Paillet, F.L., Lundy, J., Tipping, R., Runkel, A., Reeves, L., and Green, J., 2000, Hydrogeologic characterization of six sites in southeastern Minnesota using borehole flowmeters and other geophysical logs: U.S. Geological Survey Water-Resources Investigations Report 2000-4142, v, 33 p. , https://doi.org/10.3133/wri004142.","productDescription":"v, 33 p. ","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":157538,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2000/4142/report-thumb.jpg"},{"id":95540,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2000/4142/report.pdf","size":"2302","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Minnesota","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -92.900390625,\n              44.99588261816546\n            ],\n            [\n              -92.6806640625,\n              45.22848059584359\n            ],\n            [\n              -94.6142578125,\n              45.30580259943578\n            ],\n            [\n              -94.15283203125,\n              43.51668853502906\n            ],\n            [\n              -91.29638671875,\n              43.5326204268101\n            ],\n            [\n              -91.3623046875,\n              43.97700467496408\n            ],\n            [\n              -92.900390625,\n              44.99588261816546\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adee4b07f02db6874cf","contributors":{"authors":[{"text":"Paillet, Frederick L.","contributorId":63820,"corporation":false,"usgs":true,"family":"Paillet","given":"Frederick","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":194220,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lundy, James","contributorId":51596,"corporation":false,"usgs":true,"family":"Lundy","given":"James","affiliations":[],"preferred":false,"id":194219,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tipping, Robert","contributorId":86222,"corporation":false,"usgs":true,"family":"Tipping","given":"Robert","affiliations":[],"preferred":false,"id":194221,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Runkel, Anthony","contributorId":87023,"corporation":false,"usgs":true,"family":"Runkel","given":"Anthony","affiliations":[],"preferred":false,"id":194222,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Reeves, Laurel","contributorId":50781,"corporation":false,"usgs":true,"family":"Reeves","given":"Laurel","email":"","affiliations":[],"preferred":false,"id":194218,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Green, Jeffrey","contributorId":17477,"corporation":false,"usgs":true,"family":"Green","given":"Jeffrey","email":"","affiliations":[],"preferred":false,"id":194217,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":29072,"text":"wri004112 - 2000 - Hydrologic aspects of the 1998-99 drought in the Delaware River basin","interactions":[],"lastModifiedDate":"2017-07-10T08:24:21","indexId":"wri004112","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-4112","title":"Hydrologic aspects of the 1998-99 drought in the Delaware River basin","docAbstract":"<p>A notable drought in the Delaware River Basin during late 1998 and most of 1999 had a major effect on surface and subsurface components of the hydrologic system. The drought conditions resulted from anomalous patterns in the general atmospheric circulation that diverted Gulf and subtropical Atlantic moisture away from the basin. From September 1998 to August 1999, the accumulated precipitation deficiency was greater than 12 inches in the part of the basin above Trenton, N.J. Flows in some streams, mainly in the middle and lower parts of the basin, decreased to levels near or less than those measured during the drought of the 1960's, the most severe drought of record in the basin. On several dates in August 1999, combined storage in three New York City water-supply reservoirs in the upper Delaware River Basin decreased by more than 2 billion gallons per day. The drought had a pronounced effect on ground-water levels, as the combination of below-normal recharge and elevated rates of evapotranspiration produced abnormal water-level declines and record low water levels in much of the basin. The drought was broken in mid-September 1999 when the remnants of Tropical Storm Floyd delivered drenching rains throughout the basin.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri004112","usgsCitation":"Paulachok, G.N., Krejmas, B.E., and Soden, H.L., 2000, Hydrologic aspects of the 1998-99 drought in the Delaware River basin: U.S. Geological Survey Water-Resources Investigations Report 2000-4112, v, 29 p. :ill. (some col.), maps (some col.) ;28 cm., https://doi.org/10.3133/wri004112.","productDescription":"v, 29 p. :ill. (some col.), maps (some col.) ;28 cm.","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":95744,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2000/4112/report.pdf","size":"7058","linkFileType":{"id":1,"text":"pdf"}},{"id":159443,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2000/4112/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a28e4b07f02db611696","contributors":{"authors":[{"text":"Paulachok, Gary N. gnpaulac@usgs.gov","contributorId":3500,"corporation":false,"usgs":true,"family":"Paulachok","given":"Gary","email":"gnpaulac@usgs.gov","middleInitial":"N.","affiliations":[],"preferred":true,"id":200905,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Krejmas, Bruce E.","contributorId":102501,"corporation":false,"usgs":true,"family":"Krejmas","given":"Bruce","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":200907,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Soden, Heidi L.","contributorId":75973,"corporation":false,"usgs":true,"family":"Soden","given":"Heidi","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":200906,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":28696,"text":"wri004167 - 2000 - Documentation of a computer program to simulate lake-aquifer interaction using the MODFLOW ground water flow model and the MOC3D solute-transport model","interactions":[],"lastModifiedDate":"2020-02-26T19:11:38","indexId":"wri004167","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-4167","title":"Documentation of a computer program to simulate lake-aquifer interaction using the MODFLOW ground water flow model and the MOC3D solute-transport model","docAbstract":"Heads and flow patterns in surficial aquifers can be strongly influenced by the presence of stationary surface-water bodies (lakes) that are in direct contact, vertically and laterally, with the aquifer. Conversely, lake stages can be significantly affected by the volume of water that seeps through the lakebed that separates the lake from the aquifer. For these reasons, a set of computer subroutines called the Lake Package (LAK3) was developed to represent lake/aquifer interaction in numerical simulations using the U.S. Geological Survey three-dimensional, finite-difference, modular ground-water flow model MODFLOW and the U.S. Geological Survey three-dimensional method-of-characteristics solute-transport model MOC3D. In the Lake Package described in this report, a lake is represented as a volume of space within the model grid which consists of inactive cells extending downward from the upper surface of the grid. Active model grid cells bordering this space, representing the adjacent aquifer, exchange water with the lake at a rate determined by the relative heads and by conductances that are based on grid cell dimensions, hydraulic conductivities of the aquifer material, and user-specified leakance distributions that represent the resistance to flow through the material of the lakebed. Parts of the lake may become ?dry? as upper layers of the model are dewatered, with a concomitant reduction in lake surface area, and may subsequently rewet when aquifer heads rise. An empirical approximation has been encoded to simulate the rewetting of a lake that becomes completely dry. The variations of lake stages are determined by independent water budgets computed for each lake in the model grid. This lake budget process makes the package a simulator of the response of lake stage to hydraulic stresses applied to the aquifer. Implementation of a lake water budget requires input of parameters including those representing the rate of lake atmospheric recharge and evaporation, overland runoff, and the rate of any direct withdrawal from, or augmentation of, the lake volume. The lake/aquifer interaction may be simulated in both transient and steady-state flow conditions, and the user may specify that lake stages be computed explicitly, semi-implicitly, or fully-implicitly in transient simulations. The lakes, and all sources of water entering the lakes, may have solute concentrations associated with them for use in solute-transport simulations using MOC3D. The Stream Package of MODFLOW-2000 and MOC3D represents stream connections to lakes, either as inflows or outflows. Because lakes with irregular bathymetry can exist as separate pools of water at lower stages, that coalesce to become a single body of water at higher stages, logic was added to the Lake Package to allow the representation of this process as a user option. If this option is selected, a system of linked pools (sublakes) is identified in each time step and stages are equalized based on current relative sublake surface areas. ","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri004167","usgsCitation":"Merritt, M.L., and Konikow, L.F., 2000, Documentation of a computer program to simulate lake-aquifer interaction using the MODFLOW ground water flow model and the MOC3D solute-transport model: U.S. Geological Survey Water-Resources Investigations Report 2000-4167, vi, 146 p., https://doi.org/10.3133/wri004167.","productDescription":"vi, 146 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":159207,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":2273,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri00-4167/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6ae4b07f02db63cbb9","contributors":{"authors":[{"text":"Merritt, Michael L.","contributorId":29392,"corporation":false,"usgs":true,"family":"Merritt","given":"Michael","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":200248,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Konikow, Leonard F. 0000-0002-0940-3856 lkonikow@usgs.gov","orcid":"https://orcid.org/0000-0002-0940-3856","contributorId":158,"corporation":false,"usgs":true,"family":"Konikow","given":"Leonard","email":"lkonikow@usgs.gov","middleInitial":"F.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":200247,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":30506,"text":"wri004220 - 2000 - Water-quality characteristics for selected streams in Lawrence County, South Dakota, 1988-92","interactions":[],"lastModifiedDate":"2012-02-02T00:08:54","indexId":"wri004220","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-4220","title":"Water-quality characteristics for selected streams in Lawrence County, South Dakota, 1988-92","docAbstract":"During the 1980?s, significant economic development and population growth began to occur in Lawrence County in the northern part of the Black Hills of western South Dakota. Rising gold prices and heap-leach extraction methods allowed the economic recovery of marginal gold ore deposits, resulting in development of several large-scale, open-pit gold mines in Lawrence County. There was increasing local concern regarding potential impacts on the hydrologic system, especially relating to the quantity and quality of water in the numerous streams and springs of Lawrence County. In order to characterize the water quality of selected streams within Lawrence County, samples were collected from 1988 through 1992 at different times of the year and under variable hydrologic conditions. During the time of this study, the Black Hills area was experiencing a drought; thus, most samples were collected during low-flow conditions.Streamflow and water-quality characteristics in Lawrence County are affected by both geologic conditions and precipitation patterns. Most streams that cross outcrops of the Madison Limestone and Minnelusa Formation lose all or large part of their streamflow to aquifer recharge. Streams that are predominantly spring fed have relatively stable streamflow, varying slightly with dry and wet precipitation cycles.Most streams in Lawrence County generally have calcium magnesium bicarbonate type waters. The sites from the mineralized area of central Lawrence County vary slightly from other streams in Lawrence County by having higher concentrations of sodium, less bicarbonate, and more sulfate. False Bottom Creek near Central City has more sulfate than bicarbonate. Nitrogen, phosphorous, and cyanide concentrations were at or near the laboratory reporting limits for most sites and did not exceed any of the water-quality standards. Nitrite plus nitrate concentrations at Annie Creek near Lead, Whitetail Creek at Lead, Squaw Creek near Spearfish, and Spearfish Creek below Robison Gulch were somewhat higher than at other sites. Mining activity, agricultural activity, and domestic development are possible sources of nitrogen to the streams. Increased mining activities were identified as the probable cause of increased nitrogen concentrations in Annie Creek.In the mineralized area of the northern Black Hills, detectable concentrations of trace elements are common in stream water, occasionally exceeding beneficial-use and aquatic-life criteria. In addition, many basins have been disturbed by both historical and recent mining operations and cleanup activities. The maximum dissolved arsenic concentration at Annie Creek near Lead (48 micrograms per liter) approached the current arsenic drinking-water standard. Concentrations at or greater than 5 micrograms per liter were found in samples from Annie Creek near Lead, Spearfish Creek above Spearfish, Whitetail Creek at Lead, and False Bottom Creek near Spearfish. Bear Butte Creek near Deadwood had one sample with a dissolved copper concentration that exceeded acute and chronic aquatic-life criteria. Bear Butte Creek near Deadwood had several manganese concentrations that exceeded the secondary maximum contaminant level of 50 micrograms per liter.Bed-sediment and water-quality data from selected sites in small drainage basins were used to determine if factors such as pH, arsenic concentrations in bed sediments, and calcite saturation control dissolved arsenic concentrations. Arsenic solubility is controlled by adsorption, mainly on ferrihydrite. In addition, adsorption/desorption of arsenic is controlled by the pH of the stream, with high arsenic concentrations appearing only at higher pH conditions (above 8). There are significant arsenic sources available to almost all the small streams of the northern Black Hills mining area, but arsenic is less mobile in streams that are not influenced to the higher pH values by calcite. Streams where arsenic is more mobile have lower iron concentrations i","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/wri004220","usgsCitation":"Williamson, J., and Hayes, T., 2000, Water-quality characteristics for selected streams in Lawrence County, South Dakota, 1988-92: U.S. Geological Survey Water-Resources Investigations Report 2000-4220, v, 131 p. :ill. (some col.), maps ;28 cm., https://doi.org/10.3133/wri004220.","productDescription":"v, 131 p. :ill. (some col.), maps ;28 cm.","costCenters":[],"links":[{"id":2400,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri004220","linkFileType":{"id":5,"text":"html"}},{"id":159536,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a09e4b07f02db5fb03e","contributors":{"authors":[{"text":"Williamson, Joyce E. jewillia@usgs.gov","contributorId":1964,"corporation":false,"usgs":true,"family":"Williamson","given":"Joyce E.","email":"jewillia@usgs.gov","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":false,"id":203368,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hayes, Timothy Scott","contributorId":97151,"corporation":false,"usgs":true,"family":"Hayes","given":"Timothy Scott","affiliations":[],"preferred":false,"id":203369,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":27983,"text":"wri004219 - 2000 - Monthly variability and possible sources of nitrate in ground water beneath mixed agricultural land use, Suwannee and Lafayette Counties, Florida","interactions":[],"lastModifiedDate":"2020-02-24T06:24:51","indexId":"wri004219","displayToPublicDate":"2001-09-01T00:00:00","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":"2000-4219","title":"Monthly variability and possible sources of nitrate in ground water beneath mixed agricultural land use, Suwannee and Lafayette Counties, Florida","docAbstract":"In an area of mixed agricultural land use in Suwannee and Lafayette Counties of northern Florida, water samples were collected monthly from 14 wells tapping the Upper Floridan aquifer during July 1998 through June 1999 to assess hydrologic and land-use factors affecting the variability in nitrate concentrations in ground water. Unusually high amounts of rainfall in September and October 1998 (43.5 centimeters total for both months) resulted in an increase in water levels in all wells in October 1998. This was followed by unusually low amounts of rainfall during November 1998 through May 1999, when rainfall was 40.7 centimeters below 30-year mean monthly values. The presence of karst features (sinkholes, springs, solution conduits) and the highly permeable sands that overlie the Upper Floridan aquifer provide for rapid movement of water containing elevated nitrate concentrations to the aquifer. Nitrate was the dominant form of nitrogen in ground water collected at all sites and nitrate concentrations ranged from less than 0.02 to 22 milligrams per liter (mg/L), as nitrogen. Water samples from most wells showed substantial monthly or seasonal fluctuations in nitrate concentrations. Generally, water samples from wells with nitrate concentrations higher than 10 mg/L showed the greatest amount of monthly fluctuation. For example, water samples from six of eight wells had monthly nitrate concentrations that varied by at least 5 mg/L during the study period. Water from most wells with lower nitrate concentrations (less than 6 mg/L) also showed large monthly fluctuations. For instance, nitrate concentrations in water from four sites showed monthly variations of more than 50 percent. Large fluctuations in nitrate concentrations likely result from seasonal agricultural practices (fertilizer application and animal waste spreading) at a particular site. For example, an increase in nitrate concentrations observed in water samples from seven sites in February or March 1999 most likely results from application of synthetic fertilizers during the late winter months. Lower nitrate concentrations were detected in water samples from five of eight wells sampled during high-flow conditions for the Suwannee River in March 1998 compared to low-flow conditions in November 1998. Evidence for reduction of nitrate due to denitrification reactions was observed at one site (AC-1), as indicated by elevated concentrations of nitrogen gas and a corresponding increase in nitrogen isotope (d15N-NO3) values with a decrease in nitrate concentrations. Denitrification is unlikely at other sites based on the presence of dissolved oxygen concentrations greater than 2 mg/L in ground water and no observed trend between nitrate concentrations and values d15N-NO3 values. Nitrate was the dominant nitrogen species in most monthly rainfall samples; however, ammonium concentrations were similar or greater than nitrate during November and December 1998. During February through May 1999, both nitrate and ammonium concentrations were substantially higher in monthly rainfall samples collected at the study area compared to mean monthly concentrations at the Bradford Forest site located east of the study area, which is part of the National Atmospheric Deposition Program/National Trends Network. Also, higher nitrogen deposition rates in the study area compared to those at Bradford Forest could indicate that substantial amounts of ammonia are volatilized from fertilizers and animal wastes, released to the atmosphere, and incorporated as nitrate and ammonium in rainfall deposited in the middle Suwannee River Basin. Ground-water samples from most sites had d15N-NO3 values that indicated a mixture of inorganic and organic sources of nitrogen, which corresponded to multiple land uses where both synthetic fertilizers and manure are used on fields near these sites. Distinct d15N-NO3 signatures, however, were observed at some sites. For example, water samples from areas of row-crop farmin","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri004219","usgsCitation":"Katz, B.G., and Böhlke, J., 2000, Monthly variability and possible sources of nitrate in ground water beneath mixed agricultural land use, Suwannee and Lafayette Counties, Florida: U.S. Geological Survey Water-Resources Investigations Report 2000-4219, iv, 28 p. , https://doi.org/10.3133/wri004219.","productDescription":"iv, 28 p. ","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":159052,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":2211,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri004219/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Florida","county":"Suwannee County, Lafayette County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-82.8803,29.8868],[-82.8772,29.8858],[-82.8751,29.8808],[-82.8774,29.8716],[-82.8758,29.8666],[-82.878,29.862],[-82.8887,29.8498],[-82.8938,29.826],[-82.9038,29.8243],[-82.9107,29.8207],[-82.9185,29.8239],[-82.9206,29.8244],[-82.9427,29.8242],[-82.9553,29.8243],[-82.9553,29.8252],[-82.9811,29.825],[-83.0011,29.8252],[-83.1889,29.8235],[-83.2352,29.823],[-83.2562,29.8231],[-83.2804,29.8228],[-83.3135,29.8226],[-83.3193,29.8226],[-83.3346,29.8227],[-83.353,29.8223],[-83.3529,29.8311],[-83.353,29.8878],[-83.3714,29.8879],[-83.3708,29.8957],[-83.3708,29.9012],[-83.3706,29.9209],[-83.3705,29.9452],[-83.3702,29.9836],[-83.3703,30.0331],[-83.3697,30.0422],[-83.368,30.1969],[-83.3668,30.2147],[-83.3671,30.2413],[-83.367,30.2605],[-83.3553,30.2604],[-83.3046,30.2606],[-83.2501,30.2602],[-83.2396,30.2602],[-83.2369,30.262],[-83.2405,30.267],[-83.2314,30.2853],[-83.2335,30.2908],[-83.2302,30.2971],[-83.2249,30.3021],[-83.2132,30.3066],[-83.21,30.3116],[-83.2147,30.319],[-83.2146,30.3227],[-83.2082,30.3299],[-83.2108,30.3359],[-83.2134,30.3446],[-83.2096,30.3501],[-83.2043,30.3509],[-83.1985,30.3482],[-83.19,30.3517],[-83.1942,30.3573],[-83.192,30.365],[-83.193,30.3696],[-83.1919,30.3751],[-83.178,30.3841],[-83.1711,30.3855],[-83.1658,30.3914],[-83.1663,30.3946],[-83.1636,30.4023],[-83.1588,30.405],[-83.1598,30.4114],[-83.1538,30.4183],[-83.1475,30.42],[-83.1427,30.4241],[-83.1395,30.425],[-83.1342,30.4218],[-83.1283,30.429],[-83.1155,30.4331],[-83.1023,30.4352],[-83.0874,30.4374],[-83.08,30.4415],[-83.0753,30.4309],[-83.0706,30.4263],[-83.0562,30.4303],[-83.0398,30.4315],[-83.0276,30.43],[-83.0145,30.423],[-83.0081,30.4239],[-83.0043,30.4298],[-82.9995,30.4302],[-82.9879,30.4274],[-82.98,30.4214],[-82.9716,30.4208],[-82.9616,30.4157],[-82.9516,30.4106],[-82.9453,30.4028],[-82.9379,30.4008],[-82.9327,30.3953],[-82.928,30.3907],[-82.9164,30.3874],[-82.9085,30.3832],[-82.9032,30.3854],[-82.8973,30.3885],[-82.8899,30.3857],[-82.89,30.3807],[-82.8906,30.3725],[-82.8748,30.3664],[-82.8686,30.3613],[-82.8606,30.3594],[-82.8533,30.3547],[-82.8502,30.3469],[-82.8429,30.3432],[-82.836,30.3435],[-82.8291,30.3467],[-82.8238,30.3434],[-82.8175,30.3411],[-82.8101,30.3392],[-82.8053,30.3437],[-82.7984,30.3422],[-82.7948,30.3367],[-82.7944,30.0781],[-82.7941,29.9861],[-82.7852,29.9865],[-82.782,29.9865],[-82.7783,29.9864],[-82.7641,29.9867],[-82.7604,29.9867],[-82.7594,29.9798],[-82.759,29.9752],[-82.7623,29.9647],[-82.7735,29.9589],[-82.7792,29.9585],[-82.783,29.9549],[-82.7856,29.9549],[-82.7899,29.9481],[-82.7894,29.9467],[-82.7921,29.9444],[-82.7916,29.9422],[-82.7991,29.9363],[-82.8007,29.9322],[-82.8096,29.9318],[-82.8187,29.9255],[-82.8273,29.916],[-82.8347,29.9128],[-82.8473,29.9134],[-82.8579,29.9122],[-82.8642,29.9081],[-82.867,29.8985],[-82.8729,29.8927],[-82.8803,29.8868]]]},\"properties\":{\"name\":\"Lafayette\",\"state\":\"FL\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b02e4b07f02db698d66","contributors":{"authors":[{"text":"Katz, Brian G. bkatz@usgs.gov","contributorId":1093,"corporation":false,"usgs":true,"family":"Katz","given":"Brian","email":"bkatz@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":true,"id":199008,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Böhlke, J.K. 0000-0001-5693-6455","orcid":"https://orcid.org/0000-0001-5693-6455","contributorId":96696,"corporation":false,"usgs":true,"family":"Böhlke","given":"J.K.","affiliations":[],"preferred":false,"id":199009,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
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