{"pageNumber":"416","pageRowStart":"10375","pageSize":"25","recordCount":16506,"records":[{"id":27143,"text":"wri954212 - 1996 - Evaluation of the Surface-Water Quantity, Surface-Water Quality, and Rainfall Data-Collection Programs in Hawaii, 1994","interactions":[],"lastModifiedDate":"2012-03-08T17:16:15","indexId":"wri954212","displayToPublicDate":"1996-08-01T00:00:00","publicationYear":"1996","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":"95-4212","title":"Evaluation of the Surface-Water Quantity, Surface-Water Quality, and Rainfall Data-Collection Programs in Hawaii, 1994","docAbstract":"This report documents the results of an evaluation of the surface-water quantity, surface-water quality, and rainfall data-collection programs in Hawaii. Fourteen specific issues and related goals were identified for the surface-water quantity program and a geographic information systems (GIS) data base was developed summarizing information for all surface-water stream gages that have been operated in Hawaii by the U.S. Geological Survey. Changes in status, which for some gages includes discontinuing operation, need to be considered at 42 sites where data are currently collected.\r\n\r\nThe current surface-water quantity data base was determined to be adequate to address only two of the 14 specific issues and related goals. Alternatives were identified to address the areas where future issues and goals could not be adequately addressed. Options include new and expanded data collection, use of regional regression analyses, hydrologic and hydraulic modeling, and analysis and publication of existing data. A total of 47 streams were identified where additional stream-gaging stations are needed.\r\n\r\nEvaluation of the surface-water quality program was limited to a description of the U.S. Geological Survey's historical and existing programs and available analyses of data. Limitations of the program are described which primarily included lack of data regarding suspended sediment, land-use effects, quality of stream discharge to oceans, background water quality and nonpoint sources of contamination. \r\nEvaluation of the rainfall data program indicated that identified future goals could be discussed as either regional, systems related, current needs, forecasting, water quality, or trend analysis related.\r\n\r\nTo address these goals, data from about 2,000 rain gages, 528 of which are active, are available. Data were found to only partially meet identified goals. Alternatives discussed to address the limitations include the need for more recording gages, primarily in areas of high rainfall. Another area of concern was the potential that many plantations will close and the effect these closings would have on continued operation of the important long-term gages they operate.\r\n\r\nEvaluation of data-collection programs in Hawaii needs to be an ongoing process. Equally important, data being collected need to be summarized and made available through data bases and published reports.","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/wri954212","usgsCitation":"Fontaine, R.A., 1996, Evaluation of the Surface-Water Quantity, Surface-Water Quality, and Rainfall Data-Collection Programs in Hawaii, 1994: U.S. Geological Survey Water-Resources Investigations Report 95-4212, v, 125 p., https://doi.org/10.3133/wri954212.","productDescription":"v, 125 p.","costCenters":[{"id":525,"text":"Pacific Islands Water Science Center","active":true,"usgs":true}],"links":[{"id":123674,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1995/4212/report-thumb.jpg"},{"id":56019,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1995/4212/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56020,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1995/4212/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56021,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1995/4212/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56022,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1995/4212/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56023,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1995/4212/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56024,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1995/4212/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":56025,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1995/4212/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f0e4b07f02db5edfa9","contributors":{"authors":[{"text":"Fontaine, Richard A. rfontain@usgs.gov","contributorId":2379,"corporation":false,"usgs":true,"family":"Fontaine","given":"Richard","email":"rfontain@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":197630,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24729,"text":"ofr95362 - 1996 - Digital hydrographic, land use/land cover, and hydrologic unit boundary files for the Death Valley region of southern Nevada and southeastern California processed from U.S. Geological Survey 1:100,000- and 1:250,000-scale digital data files","interactions":[],"lastModifiedDate":"2012-02-02T00:08:22","indexId":"ofr95362","displayToPublicDate":"1996-08-01T00:00:00","publicationYear":"1996","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":"95-362","title":"Digital hydrographic, land use/land cover, and hydrologic unit boundary files for the Death Valley region of southern Nevada and southeastern California processed from U.S. Geological Survey 1:100,000- and 1:250,000-scale digital data files","language":"ENGLISH","publisher":"U.S. Geological Survey ;","doi":"10.3133/ofr95362","issn":"0094-9140","usgsCitation":"Turner, A.K., D’Agnese, F.A., and Faunt, C., 1996, Digital hydrographic, land use/land cover, and hydrologic unit boundary files for the Death Valley region of southern Nevada and southeastern California processed from U.S. Geological Survey 1:100,000- and 1:250,000-scale digital data files: U.S. Geological Survey Open-File Report 95-362, iv, 21 :ill., map ;28 cm., https://doi.org/10.3133/ofr95362.","productDescription":"iv, 21 :ill., map ;28 cm.","costCenters":[],"links":[{"id":157792,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1995/0362/report-thumb.jpg"},{"id":53756,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1995/0362/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a96e4b07f02db65acdb","contributors":{"authors":[{"text":"Turner, A. K.","contributorId":82351,"corporation":false,"usgs":true,"family":"Turner","given":"A.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":192454,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"D’Agnese, F. A.","contributorId":6096,"corporation":false,"usgs":true,"family":"D’Agnese","given":"F.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":192453,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Faunt, C.C. 0000-0001-5659-7529","orcid":"https://orcid.org/0000-0001-5659-7529","contributorId":103314,"corporation":false,"usgs":true,"family":"Faunt","given":"C.C.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":192455,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":28628,"text":"wri964006 - 1996 - Plan of study to quantify the hydrologic relations between the Rio Grande and the Santa Fe Group aquifer system near Albuquerque, central New Mexico","interactions":[],"lastModifiedDate":"2012-02-02T00:08:47","indexId":"wri964006","displayToPublicDate":"1996-08-01T00:00:00","publicationYear":"1996","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":"96-4006","title":"Plan of study to quantify the hydrologic relations between the Rio Grande and the Santa Fe Group aquifer system near Albuquerque, central New Mexico","docAbstract":"The Albuquerque Basin in central New Mexico covers  an area\r\nof about 3,060 square miles. Ground water from the Santa Fe Group \r\naquifer system of the Albuquerque Basin is the principal source\r\nof water for municipal, domestic, commercial, and industrial uses in\r\nthe Albuquerque area, an area of about 410 square miles. Ground-\r\nwater withdrawal in the basin has increased from about 97,000 \r\nacre-feet in 1970 to about 171,000 acre-feet in 1994. About 92 \r\npercent of the 1994 total was withdrawn in the Albuquerque area.\r\nManagement of ground water in the Albuquerque Basin is related to\r\nthe surface water in the Rio Grande. Because the aquifer system\r\nis hydraulically connected to the Rio Grande and water in the \r\nriver is fully appropriated, the ability to reliably estimate the\r\neffects of ground-water withdrawals on flow in the river is \r\nimportant. This report describes the components of the Rio \r\nGrande/Santa Fe Group aquifer system in the Albuquerque area and\r\nthe data availability and data and interpretation needs relating\r\nto those components, and presents a plan of study to quantify the\r\nhydrologic relations between the Rio Grande and the Santa Fe\r\nGroup aquifer system.\r\n\r\n     The information needs related to the components of the\r\nriver/aquifer system are prioritized. Information that is necessary \r\nto improve the understanding or quantification of a component in the\r\nriver/aquifer system is prioritized as essential. Information \r\nthat could add additional understanding of the system, but would\r\nnot be necessary to improve the quantification of the system, is\r\nprioritized as useful. \r\n\r\n     The study elements are prioritized in the same manner as the\r\ninformation needs; study elements designed to provide \r\ninformation considered necessary to improve the quantification of\r\nthe system are prioritized as essential, and those designed to \r\nprovide information that would add additional understanding of \r\nthe system, but would not be necessary to improve the \r\nquantification of the system, are prioritized as useful.","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nEarth Science Information Center, Open-File Reports Section [distributor],","doi":"10.3133/wri964006","usgsCitation":"McAda, D.P., 1996, Plan of study to quantify the hydrologic relations between the Rio Grande and the Santa Fe Group aquifer system near Albuquerque, central New Mexico: U.S. Geological Survey Water-Resources Investigations Report 96-4006, ix, 58 p. :ill. (1 col.), maps (1 col.) ;28 cm., https://doi.org/10.3133/wri964006.","productDescription":"ix, 58 p. :ill. (1 col.), maps (1 col.) ;28 cm.","costCenters":[],"links":[{"id":126664,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1996/4006/report-thumb.jpg"},{"id":57468,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1996/4006/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b06e4b07f02db69a1b7","contributors":{"authors":[{"text":"McAda, D. P.","contributorId":93066,"corporation":false,"usgs":true,"family":"McAda","given":"D.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":200140,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24470,"text":"ofr96143 - 1996 - Hydrology of the Wolf Branch sinkhole basin, Lake County, east-central Florida","interactions":[],"lastModifiedDate":"2012-02-02T00:08:09","indexId":"ofr96143","displayToPublicDate":"1996-08-01T00:00:00","publicationYear":"1996","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":"96-143","title":"Hydrology of the Wolf Branch sinkhole basin, Lake County, east-central Florida","docAbstract":"A 4-year study of the hydrology of the Wolf Branch sinkhole basin in Lake County, Florida, was conducted from 1991-95 by the U.S. Geological Survey to provide information about the hydrologic characteristics of the drainage basin in the vicinity of Wolf Sink. Wolf Branch drains a 4.94 square mile area and directly recharges the Upper Floridan aquifer through Wolf Sink. Because of the direct connection of the sinkhole with the aquifer, a contaminant spill in the basin could pose a threat to the aquifer. The Wolf Branch drainage basin varies in hydrologic characteristics from its headwaters to its terminus at Wolf Sink. Ground- water seepage provides baseflow to the stream north of Wolf Branch Road, but the stream south of State Road 46 is intermittent and the stream can remain dry for months. A single culvert under a railroad crossing conducts flow from wetlands just south of State Road 46 to a well-defined channel which leads to Wolf Sink. The basin morphology is characterized by karst terrain, with many closed depressions which can provide intermittent surface-water storage. Wetlands in the lower third of the basin (south of State Road 46) also provide surface water storage. The presence of numerous water-control structures (impoundments, canals, and culverts), and the surface-water storage capacity throughout the basin affects the flow characteristics of Wolf Branch. Streamflow records for two stations (one above and one below major wetlands in the basin) indicate the flow about State Road 46 is characterized by rapid runoff and continuous baseflow, whereas below State Road 46, peak discharges are much lower but of longer duration than at the upstream station. Rainfall, discharge, ground-water level, and surface-water level data were collected at selected sites in the basin. Hydrologic conditions during the study ranged from long dry periods when there was no inflow to Wolf Sink, to very wet periods, as when nearly 7 inches of rain fell in a 2-day period in November 1994, following an extended wet season. A comparison to long-term rainfall record (40 years) indicates that this range in hydrologic conditions during the 4-year study is representative of the range of conditions expected during a much longer time period. Two dye-trace studies conducted during the study indicated no direct connections between the sink and local wells. The path of a constituent entering the aquifer through Wolf Sink generally would be to the east, following the gradient of the regional ground-water flow system. The conductance of Wolf Sink (the rate at which the sink conducts water to the underlying aquifer) was estimated from streamflow data, ground-water levels, and water levels in Wolf Sink. The range of hydrologic conditions during the study provided a basis for the determination of a representative conductance value. The regression of streamflow as a function of head difference between the sink water level and the potentiometric surface at an observation well (an approximation of the potentiometric level beneath Wolf Sink) resulted in a significant relation r2=0.91, mean square error = 1.60 cubic feet per second); and the slope of the regression line, representing sink conductance, was 1.48 cubic feet per second per foot of head difference. Flow and storm-volume frequency curves for selected time periods (1-day, 7-days, 14-days, 21-days, and 30-days) were generated based on streamflow data from January 10, 1992, to September 30, 1995. These curves indicate that, based on the available record, the volume of water that would have to be stored (in the event that streamflow had to be diverted from Wolf Sink) during a 30-day period would be equal to or less than about 11 acre-fee 30 percent of the time and 161 acre-feet 80 percent of the time. The maximum volume that would be generated during a 30-day period, based on this study, would be about 570 acre-feet.","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nUSGS Information Services,","doi":"10.3133/ofr96143","issn":"0094-9140","usgsCitation":"Schiffer, D., 1996, Hydrology of the Wolf Branch sinkhole basin, Lake County, east-central Florida: U.S. Geological Survey Open-File Report 96-143, iv, 29 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr96143.","productDescription":"iv, 29 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":156454,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1996/0143/report-thumb.jpg"},{"id":53536,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1996/0143/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ee4b07f02db5fdb68","contributors":{"authors":[{"text":"Schiffer, D. M.","contributorId":102103,"corporation":false,"usgs":true,"family":"Schiffer","given":"D. M.","affiliations":[],"preferred":false,"id":191987,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":27284,"text":"wri944173 - 1996 - Temporal changes in the configuration of the water table in the vicinity of the management systems evaluation area site, central Nebraska","interactions":[],"lastModifiedDate":"2019-12-05T15:56:26","indexId":"wri944173","displayToPublicDate":"1996-08-01T00:00:00","publicationYear":"1996","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":"94-4173","title":"Temporal changes in the configuration of the water table in the vicinity of the management systems evaluation area site, central Nebraska","docAbstract":"To improve understanding of the hydrologic characteristics of the shallow aquifer in the vicinity of the Management Systems Evaluation Area site near Shelton, Nebraska, water levels were measured in approximately 130 observation wells in both June and September 1991. Two water-table maps and a water-level-change map were drawn on the basis of these measurements. In addition, historical data from U.S. Geological Survey computer files and published reports were used to determine the approximate configuration of the water table in 1931 and to draw one short-term and two-long term water- level hydrographs. Comparison of the three water- table maps indicates general similarities. The average horizontal hydraulic gradient in the shallow aquifer is about 7.5 feet per mile, and the flow direction is to the east-northeast. The water table declined 2 to 10 feet between June and September 1991, with the greatest decline occurring in a wedge-shaped area south of the Wood River and north of the Platte River. The 1991 water-table configurations appear to indicate that the aquifer either was discharging to the Platte River in this reach or there was little flow between the river and the aquifer. Comparison of the 1931 and 1991 water-table maps indicates that, except for short-term variations, the water-table configuration changed little during this 61-year period. Two long-term water-level hydrographs confirm this conclusion, indicating that the shallow aquifer in this area has been in long-term, dynamic equilibrium.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri944173","usgsCitation":"Kilpatrick, J.M., 1996, Temporal changes in the configuration of the water table in the vicinity of the management systems evaluation area site, central Nebraska: U.S. Geological Survey Water-Resources Investigations Report 94-4173, 1 Plate: 39.36 x 39.77 inches, https://doi.org/10.3133/wri944173.","productDescription":"1 Plate: 39.36 x 39.77 inches","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":159037,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1994/4173/report-thumb.jpg"},{"id":278847,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1994/4173/plate-1.pdf"}],"country":"United States","state":"Nebraska","otherGeospatial":"Platte River, Wood River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -98.916667,40.666667 ], [ -98.916667,40.833333 ], [ -98.633333,40.833333 ], [ -98.633333,40.666667 ], [ -98.916667,40.666667 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adae4b07f02db68559e","contributors":{"authors":[{"text":"Kilpatrick, John M. 0000-0002-1180-3752 jmkilpat@usgs.gov","orcid":"https://orcid.org/0000-0002-1180-3752","contributorId":1010,"corporation":false,"usgs":true,"family":"Kilpatrick","given":"John","email":"jmkilpat@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":197850,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24815,"text":"ofr96111 - 1996 - A nitrogen-rich septage-effluent plume in a coastal aquifer, marsh, and creek system, Orleans, Massachusetts; project summary, 1988-95","interactions":[],"lastModifiedDate":"2012-02-02T00:08:16","indexId":"ofr96111","displayToPublicDate":"1996-08-01T00:00:00","publicationYear":"1996","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":"96-111","title":"A nitrogen-rich septage-effluent plume in a coastal aquifer, marsh, and creek system, Orleans, Massachusetts; project summary, 1988-95","docAbstract":"A report summarizing the major findings of an ongoing study of a nitrogen-rich septage-effluent plume in Orleans, Massachusetts has been published. The study is being conducted by the U.S. Geological Survey and the Massachusetts Department of Environmental Protection, Office of Watershed Management, with additional support from the Cape Cod Commission. The report describes the history of the septage-effluent plume in the coastal aquifer and the results of baseline water-quality, sediment, and vegetation monitoring in Namskaket Marsh and Namskaket Creek, the expected discharge areas for the effluent plume. Namskaket Marsh has been recognized by the Commonwealth of Massachusetts as an Area of Critical Environmental Concern, and Namskaket Creek, which flows through the marsh, has been designated as an Outstanding Resource Water. Peter Weiskel, U.S. Geological Survey hydrologist and principal author of the report, said that discharge of effluent from the treatment facility since February 1990 has resulted in a plume of nitrogen-rich (10 to 40 milligrams of nitrogen per liter) ground water that is travelling at about 0.4 feet per day westward and northwestward toward Namskaket Marsh and Cape Cod Bay. Seepage zones near the marsh-upland boundary and the bottoms of Namskaket Creek and tributaries are the most likely discharge areas for the effluent plume. High rates of ground-water discharge (averaging 0.30 gallon per square foot per hour) have been measured in these zones during the ebb-tide. Measurements of nitrate uptake by sediments in these zones indicate considerable potential for nitrate removal during plume discharge through these zones. The marsh vegetation is dominated by Phragmites australis (common reed) in the seepage zone near the upland boundary, and by Spartina patens (salt-meadow grass) in the interior areas of the marsh. Further study is required to (1) continue mapping the progress of the plume toward the marsh and creek, (1) define the potential nitrogen-removal capacity of the marsh, and (3) monitor the possible future effects of the plume on the water quality and vegetation of the marsh.","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nEarth Science Information Center, Open-File Reports Section [distributor],","doi":"10.3133/ofr96111","issn":"0094-9140","usgsCitation":"Weiskel, P., DeSimone, L., and Howes, B., 1996, A nitrogen-rich septage-effluent plume in a coastal aquifer, marsh, and creek system, Orleans, Massachusetts; project summary, 1988-95: U.S. Geological Survey Open-File Report 96-111, iv, 20 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr96111.","productDescription":"iv, 20 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":156910,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1996/0111/report-thumb.jpg"},{"id":53824,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1996/0111/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b20e4b07f02db6ab98d","contributors":{"authors":[{"text":"Weiskel, P.K.","contributorId":36959,"corporation":false,"usgs":true,"family":"Weiskel","given":"P.K.","affiliations":[],"preferred":false,"id":192613,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"DeSimone, L.A.","contributorId":79132,"corporation":false,"usgs":true,"family":"DeSimone","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":192615,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Howes, B.L.","contributorId":41854,"corporation":false,"usgs":true,"family":"Howes","given":"B.L.","email":"","affiliations":[],"preferred":false,"id":192614,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":24946,"text":"ofr95777 - 1996 - A guide to safe field operations","interactions":[],"lastModifiedDate":"2012-02-02T00:08:20","indexId":"ofr95777","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"95-777","title":"A guide to safe field operations","docAbstract":"Most functions of the U.S. Geological Survey (USGS), Water Resources Division (WRD) require employees to participate in numerous field activities ranging from routine meetings with cooperators, other federal and public officials, and private citizens to potentially hazardous assignments, such as making flood measurements and scuba diving to service underwater instruments. It is paramount that each employee be aware of safety procedures and operational policies of the WRD to ensure that (1) their activities avoid or minimize personal injury to the employee, coworkers, or anyone in the vicinity of the field activity, and (2) their conduct does not infringe on the personal or property rights of any individual or organization.\r\nThe purpose of the guide is to familiarize employees with the operational and safety procedures expected to be followed by each employee as a representative of the WRD. It is also intended as a training tool for all new employees and a document to be reviewed by each employee before undertaking a field assignment. It includes general procedures that are standard and applicable to all field operations, such as communication, vehicle operation, and adequate preparation for anticipated weather conditions. It also includes a discussion of specific procedures and safety considerations for most of the routine field assignments undertaken by hydrologists and hydrologic technicians of the WRD. The guide is not intended to be a technical handbook outlining step-by-step procedures for performing specific tasks or a comprehensive discussion of every possible activity that may be undertaken by a USGS employee. Employees are referred to the Techniques for Water-Resources Investigations (TWRI) series for specific technical procedures and to the U.S. Geological Survey Safety and Environmental Health Handbook 445-1-H (USGS, August 1989), USGS Occupational Hazards and Safety Procedures Handbook 445-2-H (December 1993), the WRD notebook on Safety Policy and Guidance Memoranda, and other references for procedures and safety issues related to nonroutine activities, such as operations on large vessels and aircraft.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;","doi":"10.3133/ofr95777","issn":"0094-9140","usgsCitation":"Yobbi, D.K., Yorke, T., and Mycyk, R., 1996, A guide to safe field operations: U.S. Geological Survey Open-File Report 95-777, iv, 29 p. ;28 cm., https://doi.org/10.3133/ofr95777.","productDescription":"iv, 29 p. ;28 cm.","costCenters":[],"links":[{"id":157311,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1919,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1995/of95-777/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b24e4b07f02db6aeccd","contributors":{"authors":[{"text":"Yobbi, D. K.","contributorId":56622,"corporation":false,"usgs":true,"family":"Yobbi","given":"D.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":192848,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Yorke, T.H.","contributorId":108147,"corporation":false,"usgs":true,"family":"Yorke","given":"T.H.","email":"","affiliations":[],"preferred":false,"id":192849,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mycyk, R.T.","contributorId":32566,"corporation":false,"usgs":true,"family":"Mycyk","given":"R.T.","affiliations":[],"preferred":false,"id":192847,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":24822,"text":"ofr96108 - 1996 - Statistical and descriptive summaries of water-resources data for the Cannonball River basin, North Dakota and South Dakota","interactions":[],"lastModifiedDate":"2018-03-14T16:36:44","indexId":"ofr96108","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"96-108","title":"Statistical and descriptive summaries of water-resources data for the Cannonball River basin, North Dakota and South Dakota","docAbstract":"<p>Existing hydrologic data and information for the Cannonball River Basin were compiled by the U.S. Geological Survey in cooperation with the Bureau of Reclamation. This report presents a summary of surface-water quality and streamflow data, ground-water quality data, ground-water level data, water-use data, and other information compiled from the U.S. Geological Survey, Bureau of Reclamation, North Dakota Game and Fish Department, North Dakota Department of Health, North Dakota Parks and Recreation Department, North Dakota State Water Commission, and Standing Rock Sioux Tribe data bases. The data are summarized statistically or descriptively, depending on the amount or nature of the data.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr96108","issn":"0094-9140","usgsCitation":"Wesolowski, E.A., Zainhofsky, S., and Dressler, V.M., 1996, Statistical and descriptive summaries of water-resources data for the Cannonball River basin, North Dakota and South Dakota: U.S. Geological Survey Open-File Report 96-108, iii, 301 p., https://doi.org/10.3133/ofr96108.","productDescription":"iii, 301 p.","costCenters":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":157106,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1996/0108/report-thumb.jpg"},{"id":53830,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1996/0108/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49dde4b07f02db5e22ac","contributors":{"authors":[{"text":"Wesolowski, Edwin A.","contributorId":14014,"corporation":false,"usgs":true,"family":"Wesolowski","given":"Edwin","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":192627,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Zainhofsky, S.D.","contributorId":78774,"corporation":false,"usgs":true,"family":"Zainhofsky","given":"S.D.","email":"","affiliations":[],"preferred":false,"id":192628,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dressler, Valerie M. dressler@usgs.gov","contributorId":5791,"corporation":false,"usgs":true,"family":"Dressler","given":"Valerie","email":"dressler@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":192629,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":24700,"text":"ofr96165 - 1996 - Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1993 through September 1995","interactions":[],"lastModifiedDate":"2012-02-02T00:08:28","indexId":"ofr96165","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"96-165","title":"Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1993 through September 1995","docAbstract":"This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data presented are from January 1993 through September 1995, although the report focuses on hydrologic events from July through September 1995. Cumulative rainfall for July through September 1995 was about 15 inches which is 32 percent less than the mean cumulative rainfall of about 22 inches for July through September. July and August are within the annual dry season, while September is the start of the annual wet season. Mean cumulative rainfall is calculated for the fixed base period 1951-90. Ground-water withdrawal during July through September 1995 averaged 888,500 gallons per day. Withdrawal for the same 3 months in 1994 averaged 919,400 gallons per day. Patterns of withdrawal during the third quarter of 1995 did not change significantly since 1993 at all five ground-water production areas. At the end of September 1995, the chloride concentration of the composite water supply was 51 milligrams per liter, well below the 250 milligrams per liter secondary drinking-water standard established by the U.S. Environmental Protection Agency. Chloride concentrations of the composite water supply from July through September 1995 ranged between 42 and 68 milligrams per liter. Chloride concentration of ground water in monitoring wells at Cantonment and Air Operations continued to increase since April 1995, with water from the deepest monitoring wells increasing in chloride concentration by as much as 2,000 milligrams per liter. A fuel leak at Air Operations caused the shutdown of ten wells in May 1991. Four of the wells resumed pumping for water-supply purposes in April 1992. The remaining six wells are being used to hydraulically divert fuel migration away from water-supply wells by recirculating about 150,000 gallons of water each day.","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nEarth Science Information Center, Open-File Reports Section [distributor],","doi":"10.3133/ofr96165","issn":"0094-9140","usgsCitation":"Torikai, J., 1996, Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1993 through September 1995: U.S. Geological Survey Open-File Report 96-165, v, 42 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr96165.","productDescription":"v, 42 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":157922,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1996/0165/report-thumb.jpg"},{"id":53733,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1996/0165/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a60e4b07f02db635350","contributors":{"authors":[{"text":"Torikai, J.D.","contributorId":93926,"corporation":false,"usgs":true,"family":"Torikai","given":"J.D.","affiliations":[],"preferred":false,"id":192403,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24668,"text":"ofr95749 - 1996 - Hydrologic data for the East Poplar oil field, Fort Peck Indian Reservation, Northeastern Montana","interactions":[],"lastModifiedDate":"2013-09-17T15:00:14","indexId":"ofr95749","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"95-749","title":"Hydrologic data for the East Poplar oil field, Fort Peck Indian Reservation, Northeastern Montana","docAbstract":"This report presents selected hydrologic data for the East Poplar oil field, located in the south-central part of the Fort Peck Indian Reservation in northeastern Montana. Data about the occurrence, quantity, and quality of ground and surface water are presented in tabular form. The tables contain records of privately owned wells (active and abandoned), monitoring wells installed by the U.S. Geological Survey and Montana Bureau of Mines and Geology, oil wells, and brine-injection wells; lithologic descriptions of drill cuttings and well-completion data from monitoring wells; data from two aquifer tests conducted in Quaternary alluvial and glacial deposits; chemical quality of ground water; and information on the quantity and chemical quality of surface water. Records of electromagnetic geophysical measurements collected throughout an area of about 20 square miles of the study area are compiled and included on a floppy disk. Illustrations in this report contain information about study area location, site- numbering system, general physical and cultural features, and construction of monitoring wells installed by the U.S. Geological Survey. plate-sized map presents additional information about privately owned wells, monitoring wells, oil wells, brine-injections wells, surface-water data-collection sites, and area of electromagnetic data collection. The data presented in this report provide a base with which to better define and interpret the occurrence, quantity, and quality of ground and surface water in the vicinity of the Poplar River Valley in the south-central part of the Fort Peck Indian Reservation. The data can be used to help delineate the occurrence of brine and saline water in Quaternary alluvial and glacial deposits in the East Poplar oil field.","language":"ENGLISH","publisher":"U.S. Geological Survey ;Earth Science Information Center, Open-File Reports Section [distributor],","doi":"10.3133/ofr95749","issn":"0094-9140","collaboration":"The USGS does not support this software or technical questions for the software associated with the publication.","usgsCitation":"Thamke, J., Craigg, S.D., and Mendes, T., 1996, Hydrologic data for the East Poplar oil field, Fort Peck Indian Reservation, Northeastern Montana: U.S. Geological Survey Open-File Report 95-749, v, 92 p. :ill., map ;28 cm. +1 computer disk (3 1/2 in.), https://doi.org/10.3133/ofr95749.","productDescription":"v, 92 p. :ill., map ;28 cm. +1 computer disk (3 1/2 in.)","costCenters":[],"links":[{"id":157725,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1995/0749/report-thumb.jpg"},{"id":19507,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1995/0749/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":53696,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1995/0749/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":277679,"type":{"id":4,"text":"Application Site"},"url":"https://pubs.usgs.gov/of/1995/0749/application.zip"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a25e4b07f02db60ec16","contributors":{"authors":[{"text":"Thamke, J.N.","contributorId":77965,"corporation":false,"usgs":true,"family":"Thamke","given":"J.N.","email":"","affiliations":[],"preferred":false,"id":192353,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Craigg, S. D.","contributorId":59839,"corporation":false,"usgs":true,"family":"Craigg","given":"S.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":192352,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mendes, T.M.","contributorId":48213,"corporation":false,"usgs":true,"family":"Mendes","given":"T.M.","email":"","affiliations":[],"preferred":false,"id":192351,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":22596,"text":"ofr95776 - 1996 - Summary of suspended-solids concentration data, San Francisco Bay, California, water year 1994","interactions":[],"lastModifiedDate":"2019-12-07T09:51:27","indexId":"ofr95776","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"95-776","title":"Summary of suspended-solids concentration data, San Francisco Bay, California, water year 1994","docAbstract":"<p>Suspended-solids concentration data were collected in San Francisco Bay during water year 1994. Optical backscatterance sensors and water samples were used to monitor suspended solids continuously at two sites in Suisun Bay, two sites in Central San Francisco Bay, and three sites in South San Francisco Bay. Sensors were positioned at two depths at each site. In addition, a shallow-water instrument package was deployed in South San Francisco Bay three times for periods of several weeks to measure suspended-solids concentration and water velocity. Water samples were collected periodically and were analyzed for concentrations of suspended solids. The results of the analyses were used to calibrate the electrical output of the optical backscatterance sensors. This report presents the data-collection methods used and summarizes the suspended-solids concentration data collected from October 1993 through September 1994. Calibration plots and edited data for each sensor also are presented.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr95776","issn":"0094-9140","usgsCitation":"Buchanan, P., Schoellhamer, D., and Sheipline, R., 1996, Summary of suspended-solids concentration data, San Francisco Bay, California, water year 1994: U.S. Geological Survey Open-File Report 95-776, v, 48 p., https://doi.org/10.3133/ofr95776.","productDescription":"v, 48 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":552,"text":"San Francisco Bay-Delta","active":false,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true},{"id":5079,"text":"Pacific Regional Director's Office","active":true,"usgs":true}],"links":[{"id":52068,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1995/0776/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":155797,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1995/0776/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -123.0523681640625,\n              37.339591851359174\n            ],\n            [\n              -121.8109130859375,\n              37.339591851359174\n            ],\n            [\n              -121.8109130859375,\n              38.199338565983844\n            ],\n            [\n              -123.0523681640625,\n              38.199338565983844\n            ],\n            [\n              -123.0523681640625,\n              37.339591851359174\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b01e4b07f02db698974","contributors":{"authors":[{"text":"Buchanan, P.A. 0000-0002-4796-4734","orcid":"https://orcid.org/0000-0002-4796-4734","contributorId":48997,"corporation":false,"usgs":true,"family":"Buchanan","given":"P.A.","affiliations":[],"preferred":false,"id":188539,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schoellhamer, D. H. 0000-0001-9488-7340","orcid":"https://orcid.org/0000-0001-9488-7340","contributorId":85624,"corporation":false,"usgs":true,"family":"Schoellhamer","given":"D. H.","affiliations":[],"preferred":false,"id":188540,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sheipline, R.C.","contributorId":39410,"corporation":false,"usgs":true,"family":"Sheipline","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":188538,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":21662,"text":"ofr95734 - 1996 - Chemical and stable-isotope data from an experiment to examine temporal variability in water samples from screened wells on Cape Cod, Massachusetts, 1994","interactions":[],"lastModifiedDate":"2020-04-11T16:57:15.485891","indexId":"ofr95734","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"95-734","title":"Chemical and stable-isotope data from an experiment to examine temporal variability in water samples from screened wells on Cape Cod, Massachusetts, 1994","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr95734","issn":"0566-8174","usgsCitation":"Reilly, T.E., LeBlanc, D., Bussey, K., Councell, T., Smith, R.L., and Böhlke, J., 1996, Chemical and stable-isotope data from an experiment to examine temporal variability in water samples from screened wells on Cape Cod, Massachusetts, 1994: U.S. Geological Survey Open-File Report 95-734, v, 21 p. , https://doi.org/10.3133/ofr95734.","productDescription":"v, 21 p. ","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":51208,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1995/0734/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":156095,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1995/0734/report-thumb.jpg"}],"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              -70.7684326171875,\n              41.63186741069748\n            ],\n            [\n              -69.873046875,\n              41.63186741069748\n            ],\n            [\n              -69.873046875,\n              42.16340342422401\n            ],\n            [\n              -70.7684326171875,\n              42.16340342422401\n            ],\n            [\n              -70.7684326171875,\n              41.63186741069748\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e1e4b07f02db5e483c","contributors":{"authors":[{"text":"Reilly, T. E.","contributorId":79460,"corporation":false,"usgs":true,"family":"Reilly","given":"T.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":185146,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"LeBlanc, D.R.","contributorId":87141,"corporation":false,"usgs":true,"family":"LeBlanc","given":"D.R.","email":"","affiliations":[],"preferred":false,"id":185147,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bussey, K.W.","contributorId":48210,"corporation":false,"usgs":true,"family":"Bussey","given":"K.W.","email":"","affiliations":[],"preferred":false,"id":185145,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Councell, T.B.","contributorId":44187,"corporation":false,"usgs":true,"family":"Councell","given":"T.B.","email":"","affiliations":[],"preferred":false,"id":185144,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Smith, R. L.","contributorId":93904,"corporation":false,"usgs":true,"family":"Smith","given":"R.","email":"","middleInitial":"L.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":185148,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"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":185149,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":22346,"text":"ofr93638 - 1996 - Automated, colorimetric methods for determination of nitrate plus nitrite, nitrite, ammonium and orthophosphate ions in natural water samples","interactions":[],"lastModifiedDate":"2020-05-01T14:56:57.120087","indexId":"ofr93638","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"93-638","title":"Automated, colorimetric methods for determination of nitrate plus nitrite, nitrite, ammonium and orthophosphate ions in natural water samples","docAbstract":"The apparatus and methods used for the automatic, colorimetric determinations of dissolved nutrients (nitrate plus nitrite, nitrite, ammonium and orthophosphate) in natural waters are described. These techniques allow for the determination of nitrate plus nitrite for the concentration range 0.02 to 8 mg/L (milligrams per liter) as N (nitrogen); for nitrite, the range is 0.002 to 1.0 mg/L as N; for ammonium, the range is 0.006 to 2.0 mg/L as N; and for orthophosphate, the range is 0.002 to 1.0 mg/L as P (phosphorus). Data are presented that demonstrate the accuracy, precision and quality control of the methods.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr93638","issn":"0094-9140","usgsCitation":"Antweiler, R.C., Patton, C.J., and Taylor, H.E., 1996, Automated, colorimetric methods for determination of nitrate plus nitrite, nitrite, ammonium and orthophosphate ions in natural water samples: U.S. Geological Survey Open-File Report 93-638, iv, 23 p., https://doi.org/10.3133/ofr93638.","productDescription":"iv, 23 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":51753,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1993/0638/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":8231,"rank":9998,"type":{"id":18,"text":"Project Site"},"url":"https://wwwbrr.cr.usgs.gov/projects/SW_inorganic/","linkFileType":{"id":5,"text":"html"}},{"id":153631,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1993/0638/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db667eb9","contributors":{"authors":[{"text":"Antweiler, Ronald C. 0000-0001-5652-6034 antweil@usgs.gov","orcid":"https://orcid.org/0000-0001-5652-6034","contributorId":1481,"corporation":false,"usgs":true,"family":"Antweiler","given":"Ronald","email":"antweil@usgs.gov","middleInitial":"C.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":188076,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Patton, Charles J. cjpatton@usgs.gov","contributorId":809,"corporation":false,"usgs":true,"family":"Patton","given":"Charles","email":"cjpatton@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":true,"id":188075,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Taylor, Howard E. hetaylor@usgs.gov","contributorId":1551,"corporation":false,"usgs":true,"family":"Taylor","given":"Howard","email":"hetaylor@usgs.gov","middleInitial":"E.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":188077,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":22861,"text":"ofr96120 - 1996 - Lithologic and ground-water data for monitoring wells in the Santa Clara-Calleguas ground-water basin, Ventura County, California, 1989-95","interactions":[],"lastModifiedDate":"2012-02-02T00:07:59","indexId":"ofr96120","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"96-120","title":"Lithologic and ground-water data for monitoring wells in the Santa Clara-Calleguas ground-water basin, Ventura County, California, 1989-95","docAbstract":"Twenty-three multiple-well (nested) monitoring sites were constructed in the western part of the Santa Clara-Calleguas Hydrologic Unit and ground-water basin between October 1989 and May 1994. This report is a compilation of the data collected at these sites from October 1989 through April 1995 and includes location and design of the monitoring sites, lithologic data, geophysical logs, ground-water-level measurements, and water-quality analyses. Grain-size distribution and mineralogical analyses also are included. Ninety-nine piezometers were installed at the 23 sites to enable collection of depth-dependent data. Lithologic logs were compiled from descriptions of drill cuttings for each site and from observations recorded during logging. Generalized stratigraphic columns were compiled by grouping similar lithologic units. Grain-size and mineralogical analyses were used to identify and characterize the various lithologic units and to distinguish changes among them. Geophysical logs provided information on the character of the lithologic units and on the presence and chemical characteristics of ground water. Water levels were measured periodically during 1989-94. Water-quality data were collected periodically during 1989-95.","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nBooks and Open-File Reports Section, U.S. Geological Survey [distributor],","doi":"10.3133/ofr96120","issn":"0094-9140","usgsCitation":"Densmore, J., 1996, Lithologic and ground-water data for monitoring wells in the Santa Clara-Calleguas ground-water basin, Ventura County, California, 1989-95: U.S. Geological Survey Open-File Report 96-120, v, 179 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr96120.","productDescription":"v, 179 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":155006,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1996/0120/report-thumb.jpg"},{"id":52278,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1996/0120/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb7f3","contributors":{"authors":[{"text":"Densmore, J.N. 0000-0002-5345-6613","orcid":"https://orcid.org/0000-0002-5345-6613","contributorId":100882,"corporation":false,"usgs":true,"family":"Densmore","given":"J.N.","affiliations":[],"preferred":false,"id":189019,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":23965,"text":"ofr95470 - 1996 - Numerical model analysis of the effects of ground-water withdrawals on discharge to streams and springs in small basins typical of the Puget Sound Lowland, Washington","interactions":[],"lastModifiedDate":"2012-02-02T00:08:00","indexId":"ofr95470","displayToPublicDate":"1996-07-01T00:00:00","publicationYear":"1996","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":"95-470","title":"Numerical model analysis of the effects of ground-water withdrawals on discharge to streams and springs in small basins typical of the Puget Sound Lowland, Washington","docAbstract":"A numerical ground-water flow model of a hypothetical basin was constructed and used to investigate the effects of ground-water withdrawals on rates of natural discharge to streams and springs in small basins of the Puget Sound Lowland. Definitions of the topography, geology, drainage, and climate of the hypothetical basin were based on the features of typical small basins in the Puget Sound Lowland. This information was used to construct a 13-layer numerical ground-water flow model capable of simulating water levels, hydraulic gradients, and discharge to streams and springs. Three sequences of glacial drift and interglacial deposits were simulated in the model; each sequence consisted of recessional outwash, till, advance, outwash, and fine-grained interglacial sediments. Alluvial sediments of the major stream valleys and undifferentiated glacial and interglacial deposits were also included in the model.  The model was calibrated by comparing simulated hydrologic conditions with expected conditions and making adjustments to values of hydraulic characteristics as needed. The model was calibrated to predevelop- ment conditions (those prior to pumping), and then used to simulate the effects of pumping on natural discharge to streams and springs. Seven series of simulations were made to investigate the effects of (1) distance from the well to a stream, (2) the presence of confining layers, (3) pumping rate, (4) depth of the pumped aquifer, (5) distance from the well to a bluff, (6) well density, and (7) recharge rate. The discharge of wells pumping from unconfined outwash aquifers on the drift plains is derived almost entirely from capture of natural discharge to nearby stream reaches.  Increasing the lateral distance between the well and stream caused more of the well discharge to be captured from other streams on the drift plain. Pumping from aquifers separated from the stream by one or more confining layers caused a reduction in the effects of pumping on discharge to nearby streams that was offset by an increase in the effects on discharge to more distant streams and springs. The percentage of well discharge captured from springs on the bluff was sensitive to the distance of wells from the bluff. Simulations also showed that increased well density caused greater water-level decline locally, but, at equilibrium, did not affect the extent of the area affected by reduction of natural discharge to streams and springs. Finally, decreased recharge in areas where development had created impervious surfaces had a direct effect on the natural discharge rates to streams and springs. Increased recharge, however, increased natural discharge and offset the effects of well withdrawals. Further analysis of the time-dependent effects of with- drawals would provide additional insights, but would require the development of a transient version of the model.","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nEarth Science Information Center, Open-File Reports Section,","doi":"10.3133/ofr95470","issn":"0094-9140","usgsCitation":"Morgan, D.S., and Jones, J.L., 1996, Numerical model analysis of the effects of ground-water withdrawals on discharge to streams and springs in small basins typical of the Puget Sound Lowland, Washington: U.S. Geological Survey Open-File Report 95-470, vi, 73 p. :ill., col. map ;28 cm., https://doi.org/10.3133/ofr95470.","productDescription":"vi, 73 p. :ill., col. map ;28 cm.","costCenters":[],"links":[{"id":1669,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://wa.water.usgs.gov/pubs/ofr/ofr.95-470/","linkFileType":{"id":5,"text":"html"}},{"id":154957,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1995/0470/report-thumb.jpg"},{"id":53159,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1995/0470/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afce4b07f02db696847","contributors":{"authors":[{"text":"Morgan, D. S.","contributorId":19184,"corporation":false,"usgs":true,"family":"Morgan","given":"D.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":191053,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jones, J. L.","contributorId":27065,"corporation":false,"usgs":true,"family":"Jones","given":"J.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":191054,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70204860,"text":"70204860 - 1996 - A metabolism-based trophic index for comparing the ecological values of shallow-water sediment habitats","interactions":[],"lastModifiedDate":"2019-08-20T10:17:56","indexId":"70204860","displayToPublicDate":"1996-06-30T10:07:29","publicationYear":"1996","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1583,"text":"Estuaries","active":true,"publicationSubtype":{"id":10}},"title":"A metabolism-based trophic index for comparing the ecological values of shallow-water sediment habitats","docAbstract":"<p><span>We determined fluxes of oxygen and nutrients between water and sediments at 21 sites primarily in Virginia and North Carolina estuaries, over the past 15 yr. These sites represented broad ranges in salinity, tidal amplitude, hydrology, nutrient availability, turbidity, light availability, depth, sediment grain size, and anthropogenic disturbance. In general, we found that heterotrophically dominated sediments had the potential to degrade water quality, whereas photoautotrophy in the sediments ameliorated this impact. We propose a benthic trophic state index as a management tool to make general assessments of the degree to which sediments support ecological processes related to photoautotrophy. The index can be based on simple measurements of metabolic parameters. We also evaluated the relative significance of variability in the index across a number of spatial and temporal scales. Reduced photoautotrophy and/or enhanced heterotrophy tended to be associated with finer-grained, organic-rich sediments. This sediment type was common in oligohaline areas at water depths exceeding 2 m. Temporally, autotrophy declined from winter to spring particularly at sandy sites, while interannual variability was more pronounced for mud sites.&nbsp;</span></p>","language":"English","publisher":"Springer","doi":"10.2307/1352230","usgsCitation":"Rizzo, W., Dailey, S.K., Lackey, G.J., Christian, R., Berry, B.E., and Wetzel, R.L., 1996, A metabolism-based trophic index for comparing the ecological values of shallow-water sediment habitats: Estuaries, v. 19, no. 2, p. 247-256, https://doi.org/10.2307/1352230.","productDescription":"10 p.","startPage":"247","endPage":"256","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":366707,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Carolina, Virginia","otherGeospatial":"Neuse River estuary, York River estuary","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -78.651123046875,\n              33.119150226768866\n            ],\n            [\n              -75.377197265625,\n              33.119150226768866\n            ],\n            [\n              -75.377197265625,\n              38.20365531807149\n            ],\n            [\n              -78.651123046875,\n              38.20365531807149\n            ],\n            [\n              -78.651123046875,\n              33.119150226768866\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"19","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Rizzo, W.M.","contributorId":104849,"corporation":false,"usgs":true,"family":"Rizzo","given":"W.M.","email":"","affiliations":[],"preferred":false,"id":768775,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dailey, S. K.","contributorId":218238,"corporation":false,"usgs":false,"family":"Dailey","given":"S.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":768776,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lackey, G. J.","contributorId":218239,"corporation":false,"usgs":false,"family":"Lackey","given":"G.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":768777,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Christian, R.R.","contributorId":8593,"corporation":false,"usgs":true,"family":"Christian","given":"R.R.","email":"","affiliations":[],"preferred":false,"id":768778,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Berry, B. E.","contributorId":218240,"corporation":false,"usgs":false,"family":"Berry","given":"B.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":768779,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wetzel, R. L.","contributorId":218241,"corporation":false,"usgs":false,"family":"Wetzel","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":768780,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70185312,"text":"70185312 - 1996 - Quantification of natural vapor fluxes of trichloroethene in the unsaturated zone at Picatinny Arsenal, New Jersey","interactions":[],"lastModifiedDate":"2017-08-26T14:40:11","indexId":"70185312","displayToPublicDate":"1996-06-26T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Quantification of natural vapor fluxes of trichloroethene in the unsaturated zone at Picatinny Arsenal, New Jersey","docAbstract":"<p><span>The upward flux of trichloroethene (TCE) vapor through the unsaturated zone above a contaminated, water-table aquifer at Picatinny Arsenal, New Jersey, has been studied under natural conditions over a 12-month period. Vertical gas-phase diffusion fluxes were estimated indirectly by measuring the TCE vapor concentration gradient in the unsaturated zone and using Fick's law to calculate the flux. The total gas-phase flux (e.g., the sum of diffusion and advection fluxes) was measured directly with a vertical flux chamber (VFC). In many cases, the upward TCE vapor flux was several orders of magnitude greater than the upward TCE diffusion flux, suggesting that mechanisms other than steady-state vapor diffusion are contributing to the vertical transport of TCE vapors through the unsaturated zone. The measured total flux of TCE vapor from the subsurface to the atmosphere is approximately 50 kg/yr and is comparable in magnitude to the removal rate of TCE from the aquifer by an existing pump-and-treat system and by discharge into a nearby stream. The net upward flux of TCE is reduced significantly during a storm event, presumably due to the mass transfer of TCE from the soil gas to the infiltrating rainwater and its subsequent downward advection. Several potential problems associated with the measurement of total gas-phase fluxes are discussed.</span></p>","language":"English","publisher":"American Chemical Society","doi":"10.1021/es950610c","usgsCitation":"Smith, J., Tisdale, A.K., and Cho, H.J., 1996, Quantification of natural vapor fluxes of trichloroethene in the unsaturated zone at Picatinny Arsenal, New Jersey: Environmental Science & Technology, v. 30, no. 7, p. 2243-2250, https://doi.org/10.1021/es950610c.","productDescription":"8 p.","startPage":"2243","endPage":"2250","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":337854,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"7","noUsgsAuthors":false,"publicationDate":"1996-06-26","publicationStatus":"PW","scienceBaseUri":"58d0ea1de4b0236b68f67389","contributors":{"authors":[{"text":"Smith, James A.","contributorId":68718,"corporation":false,"usgs":true,"family":"Smith","given":"James A.","affiliations":[],"preferred":false,"id":685131,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tisdale, Amy K.","contributorId":189544,"corporation":false,"usgs":false,"family":"Tisdale","given":"Amy","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":685132,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cho, H. Jean","contributorId":189545,"corporation":false,"usgs":false,"family":"Cho","given":"H.","email":"","middleInitial":"Jean","affiliations":[],"preferred":false,"id":685133,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70176367,"text":"70176367 - 1996 - Comparison of Eh and H2 measurements for delineating redox processes in a contaminated aquifer","interactions":[],"lastModifiedDate":"2020-10-19T13:47:31.715443","indexId":"70176367","displayToPublicDate":"1996-06-11T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Comparison of <i>E</i><sub>h</sub> and H<sub>2</sub> measurements for delineating redox processes in a contaminated aquifer","title":"Comparison of Eh and H2 measurements for delineating redox processes in a contaminated aquifer","docAbstract":"<p><span>Measurements of oxidation-reduction potential (</span><i>E</i><sub>h</sub><span>) and concentrations of dissolved hydrogen (H</span><sub>2</sub><span>) were made in a shallow groundwater system contaminated with solvents and jet fuel to delineate the zonation of redox processes.<span>&nbsp;</span></span><i>E</i><sub>h</sub><span><span>&nbsp;</span>measurements ranged from +69 to -158 mV in a cross section of the contaminated plume and accurately delineated oxic from anoxic groundwater. Plotting measured<span>&nbsp;</span></span><i>E</i><sub>h</sub><span><span>&nbsp;</span>and pH values on an equilibrium stability diagram indicated that Fe(III) reduction was the predominant redox process in the anoxic zone and did not indicate the presence of methanogenesis and sulfate reduction. In contrast, measurements of H</span><sub>2</sub><span>concentrations indicated that methanogenesis predominated in heavily contaminated sediments near the water table surface (H</span><sub>2</sub><span><span>&nbsp;</span>∼ 7.0 nM) and that the methanogenic zone was surrounded by distinct sulfate-reducing (H</span><sub>2</sub><span><span>&nbsp;</span>∼ 1-4 nM) and Fe(III)-reducing (H</span><sub>2</sub><span><span>&nbsp;</span>∼ 0.1-0.8 nM) zones. The presence of methanogenesis, sulfate reduction, and Fe(III) reduction was confirmed by the distribution of dissolved oxygen, sulfate, Fe(II), and methane in groundwater. These results show that H</span><sub>2</sub><span><span>&nbsp;</span>concentrations were more useful for identifying anoxic redox processes than<span>&nbsp;</span></span><i>E</i><sub>h</sub><span>measurements in this groundwater system. However, H</span><sub>2</sub><span>-based redox zone delineations are more reliable when H</span><sub>2</sub><span><span>&nbsp;</span>concentrations are interpreted in the context of electron-acceptor (oxygen, nitrate, sulfate) availability and the presence of final products [Fe(II), sulfide, methane] of microbial metabolism.</span></p>","language":"English","publisher":"ACS Publications","doi":"10.1021/es960249","usgsCitation":"Chapelle, F.H., Haack, S.K., Adriaens, P., Henry, M.A., and Bradley, P.M., 1996, Comparison of Eh and H2 measurements for delineating redox processes in a contaminated aquifer: Environmental Science & Technology, v. 30, no. 12, p. 3365-3569, https://doi.org/10.1021/es960249.","productDescription":"5 p.","startPage":"3365","endPage":"3569","costCenters":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":328474,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57d3dd31e4b0571647d19a42","contributors":{"authors":[{"text":"Chapelle, Francis H. chapelle@usgs.gov","contributorId":1350,"corporation":false,"usgs":true,"family":"Chapelle","given":"Francis","email":"chapelle@usgs.gov","middleInitial":"H.","affiliations":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true},{"id":559,"text":"South Carolina Water Science Center","active":true,"usgs":true}],"preferred":true,"id":648548,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Haack, Sheridan K. skhaack@usgs.gov","contributorId":1982,"corporation":false,"usgs":true,"family":"Haack","given":"Sheridan","email":"skhaack@usgs.gov","middleInitial":"K.","affiliations":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"preferred":true,"id":648549,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Adriaens, Peter","contributorId":174543,"corporation":false,"usgs":false,"family":"Adriaens","given":"Peter","email":"","affiliations":[],"preferred":false,"id":648550,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Henry, Mark A.","contributorId":174544,"corporation":false,"usgs":false,"family":"Henry","given":"Mark","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":648551,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bradley, Paul M. 0000-0001-7522-8606 pbradley@usgs.gov","orcid":"https://orcid.org/0000-0001-7522-8606","contributorId":361,"corporation":false,"usgs":true,"family":"Bradley","given":"Paul","email":"pbradley@usgs.gov","middleInitial":"M.","affiliations":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":true,"id":648552,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70018965,"text":"70018965 - 1996 - The roles of organic matter in the formation of uranium deposits in sedimentary rocks","interactions":[],"lastModifiedDate":"2025-03-19T16:56:57.876624","indexId":"70018965","displayToPublicDate":"1996-06-07T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2954,"text":"Ore Geology Reviews","active":true,"publicationSubtype":{"id":10}},"title":"The roles of organic matter in the formation of uranium deposits in sedimentary rocks","docAbstract":"<p><span>Because reduced uranium species have a much smaller solubility than oxidized uranium species and because of the strong association of organic matter (a powerful reductant) with many uranium ores, reduction has long been considered to be the precipitation mechanism for many types of uranium deposits. Organic matter may also be involved in the alterations in and around tabular uranium deposits, including dolomite precipitation, formation of silicified layers, iron-titanium oxide destruction, dissolution of quartz grains, and precipitation of clay minerals. The diagenetic processes that produced these alterations also consumed organic matter. Consequently, those tabular deposits that underwent the more advanced stages of diagenesis, including methanogenesis and organic acid generation, display the greatest range of alterations and contain the smallest amount of organic matter. Because of certain similarities between tabular uranium deposits and Precambrian unconformity-related deposits, some of the same processes might have been involved in the genesis of Precambrian unconformity-related deposits.</span></p><p><span>Hydrologic studies place important constraints on genetic models of various types of uranium deposits. In roll-front deposits, oxidized waters carried uranium to reductants (organic matter and pyrite derived from sulfate reduction by organic matter). After these reductants were oxidized at any point in the host sandstone, uranium minerals were reoxidized and transported further down the flow path to react with additional reductants. In this manner, the uranium ore migrated through the sandstone at a rate slower than the mineralizing ground water. In the case of tabular uranium deposits, the recharge of surface water into the ground water during flooding of lakes carried soluble humic material to the water table or to an interface where humate precipitated in tabular layers. These humate layers then established the chemical conditions for mineralization and related alterations. In the case of Precambrian unconformity-related deposits, free thermal convection in the thick sandstones overlying the basement rocks carried uranium to concentrations of organic matter in the basement rocks.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/0169-1368(95)00015-1","usgsCitation":"Spirakis, C.S., 1996, The roles of organic matter in the formation of uranium deposits in sedimentary rocks: Ore Geology Reviews, v. 11, no. 1-3, p. 53-69, https://doi.org/10.1016/0169-1368(95)00015-1.","productDescription":"17 p.","startPage":"53","endPage":"69","costCenters":[],"links":[{"id":226354,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"11","issue":"1-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bafa8e4b08c986b324960","contributors":{"authors":[{"text":"Spirakis, Charles S.","contributorId":97111,"corporation":false,"usgs":true,"family":"Spirakis","given":"Charles","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":381228,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":54,"text":"wsp2463 - 1996 - Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts","interactions":[{"subject":{"id":21792,"text":"ofr95381 - 1995 - Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts","indexId":"ofr95381","publicationYear":"1995","noYear":false,"title":"Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts"},"predicate":"SUPERSEDED_BY","object":{"id":54,"text":"wsp2463 - 1996 - Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts","indexId":"wsp2463","publicationYear":"1996","noYear":false,"title":"Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts"},"id":1}],"lastModifiedDate":"2023-03-08T20:20:18.838085","indexId":"wsp2463","displayToPublicDate":"1996-06-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":341,"text":"Water Supply Paper","code":"WSP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2463","title":"Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts","docAbstract":"Currently (1993), about 170 kg/yr of phosphorus discharges into Ashumet Pond on Cape Cod from a plume of sewage-contaminated ground water. Phosphorus in the plume is mobile in two distinct geochemical environments--an anoxic zone containing dissolved iron and a suboxic zone containing dissolved oxygen. Phosphorus mobility in the suboxic zone is due to saturation of available sorption sites. Phosphorus loading to Ashumet Pond may increase significantly after sewage disposal is stopped due to phosphorus desorption from sediment surfaces.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wsp2463","usgsCitation":"Walter, D.A., Rea, B.A., Stollenwerk, K.G., and Savoie, J., 1996, Geochemical and hydrologic controls on phosphorus transport in a sewage-contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts: U.S. Geological Survey Water Supply Paper 2463, vi, 89 p., https://doi.org/10.3133/wsp2463.","productDescription":"vi, 89 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":413878,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_25560.htm","linkFileType":{"id":5,"text":"html"}},{"id":24689,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wsp/2463/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":137435,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wsp/2463/report-thumb.jpg"}],"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              -70.7354736328125,\n              41.47154438707647\n            ],\n            [\n              -69.488525390625,\n              41.47154438707647\n            ],\n            [\n              -69.488525390625,\n              42.13896840458089\n            ],\n            [\n              -70.7354736328125,\n              42.13896840458089\n            ],\n            [\n              -70.7354736328125,\n              41.47154438707647\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b24e4b07f02db6ae6ea","contributors":{"authors":[{"text":"Walter, Donald A. 0000-0003-0879-4477 dawalter@usgs.gov","orcid":"https://orcid.org/0000-0003-0879-4477","contributorId":1101,"corporation":false,"usgs":true,"family":"Walter","given":"Donald","email":"dawalter@usgs.gov","middleInitial":"A.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":141879,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rea, Brigid A.","contributorId":82282,"corporation":false,"usgs":true,"family":"Rea","given":"Brigid","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":141881,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stollenwerk, Kenneth G. kgstolle@usgs.gov","contributorId":578,"corporation":false,"usgs":true,"family":"Stollenwerk","given":"Kenneth","email":"kgstolle@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":true,"id":141878,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Savoie, Jennifer G. jsavoie@usgs.gov","contributorId":1691,"corporation":false,"usgs":true,"family":"Savoie","given":"Jennifer G.","email":"jsavoie@usgs.gov","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":false,"id":141880,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":6920,"text":"fs24395 - 1996 - Naturally occurring and mining-affected dissolved metals in two subbasins of the Upper Animas River Basin, southwestern Colorado","interactions":[],"lastModifiedDate":"2019-12-07T10:26:13","indexId":"fs24395","displayToPublicDate":"1996-06-01T00:00:00","publicationYear":"1996","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":"243-95","title":"Naturally occurring and mining-affected dissolved metals in two subbasins of the Upper Animas River Basin, southwestern Colorado","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs24395","usgsCitation":"Wright, W.G., and Janik, C.J., 1996, Naturally occurring and mining-affected dissolved metals in two subbasins of the Upper Animas River Basin, southwestern Colorado: U.S. Geological Survey Fact Sheet 243-95, 4 p., https://doi.org/10.3133/fs24395.","productDescription":"4 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":125343,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/1995/0243/report-thumb.jpg"},{"id":34212,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/1995/0243/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","otherGeospatial":"Upper Animas River Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {\n        \"stroke\": \"#555555\",\n        \"stroke-width\": 2,\n        \"stroke-opacity\": 1,\n        \"fill\": \"#555555\",\n        \"fill-opacity\": 0.3\n      },\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -107.74017333984375,\n              37.819548028632376\n            ],\n            [\n              -107.82806396484375,\n              37.65773212628272\n            ],\n            [\n              -107.87200927734375,\n              37.58811876638322\n            ],\n            [\n              -107.95852661132812,\n              37.26312408340919\n            ],\n            [\n              -107.9296875,\n              37.243448378654115\n            ],\n            [\n              -107.8912353515625,\n              37.243448378654115\n            ],\n            [\n              -107.85415649414062,\n              37.243448378654115\n            ],\n            [\n              -107.82257080078125,\n              37.25547303105431\n            ],\n            [\n              -107.81570434570312,\n              37.32102825630305\n            ],\n            [\n              -107.80059814453125,\n              37.397437140899775\n            ],\n            [\n              -107.77999877929686,\n              37.49556277942662\n            ],\n            [\n              -107.75802612304688,\n              37.58594229860422\n            ],\n            [\n              -107.677001953125,\n              37.621845878167704\n            ],\n            [\n              -107.64472961425781,\n              37.68871084320727\n            ],\n            [\n              -107.61383056640625,\n              37.82280243352756\n            ],\n            [\n              -107.74017333984375,\n              37.819548028632376\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4895e4b07f02db522911","contributors":{"authors":[{"text":"Wright, Winfield G.","contributorId":27044,"corporation":false,"usgs":true,"family":"Wright","given":"Winfield","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":153566,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Janik, Cathy J.","contributorId":87090,"corporation":false,"usgs":true,"family":"Janik","given":"Cathy","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":153567,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":38231,"text":"pp1416D - 1996 - Hydrology of the Mississippi River valley alluvial aquifer, south-central United States","interactions":[{"subject":{"id":17922,"text":"ofr90358 - 1990 - Hydrology of the Mississippi River Valley alluvial aquifer, South-Central United States","indexId":"ofr90358","publicationYear":"1990","noYear":false,"title":"Hydrology of the Mississippi River Valley alluvial aquifer, South-Central United States"},"predicate":"SUPERSEDED_BY","object":{"id":38231,"text":"pp1416D - 1996 - Hydrology of the Mississippi River valley alluvial aquifer, south-central United States","indexId":"pp1416D","publicationYear":"1996","noYear":false,"chapter":"D","title":"Hydrology of the Mississippi River valley alluvial aquifer, south-central United States"},"id":1}],"lastModifiedDate":"2012-02-02T00:09:51","indexId":"pp1416D","displayToPublicDate":"1996-06-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1416","chapter":"D","title":"Hydrology of the Mississippi River valley alluvial aquifer, south-central United States","docAbstract":"Ground-water flow simulation indicates that pumpage from the aquifer since the early 1900's has caused a decrease in ground-water outflow to rivers, an increase in flow from rivers into the aquifer, and an increase in flow to the aquifer through the overlying confining unit. By the mid-1970's, rivers became a source of more than 30 percent of total flow into the aquifer rather than the sink of net outflow, and by 1982 inflow through the overlying confining unit increased about 60 percent. Areas with the greatest potential for additional pumpage are northwestern Mississippi and northern parts of the area east of Crowleys Ridge.","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Regional aquifer-system analysis--Gulf Coastal Plain","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"ENGLISH","doi":"10.3133/pp1416D","usgsCitation":"Ackerman, D.J., 1996, Hydrology of the Mississippi River valley alluvial aquifer, south-central United States: U.S. Geological Survey Professional Paper 1416, p. D1-D56; 8 plates in separate case, https://doi.org/10.3133/pp1416D.","productDescription":"p. D1-D56; 8 plates in separate case","costCenters":[],"links":[{"id":104648,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_4877.htm","linkFileType":{"id":5,"text":"html"},"description":"4877"},{"id":122122,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1416d/report-thumb.jpg"},{"id":64577,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64578,"rank":406,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-7.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64579,"rank":407,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-8.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64580,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1416d/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64572,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64573,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64574,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64575,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":64576,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1416d/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db668a97","contributors":{"authors":[{"text":"Ackerman, D. J.","contributorId":53380,"corporation":false,"usgs":true,"family":"Ackerman","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":219383,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":39631,"text":"pp1408A - 1996 - Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon","interactions":[{"subject":{"id":19841,"text":"ofr9198 - 1993 - Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon","indexId":"ofr9198","publicationYear":"1993","noYear":false,"title":"Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon"},"predicate":"SUPERSEDED_BY","object":{"id":39631,"text":"pp1408A - 1996 - Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon","indexId":"pp1408A","publicationYear":"1996","noYear":false,"chapter":"A","title":"Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon"},"id":1}],"lastModifiedDate":"2013-11-19T15:48:35","indexId":"pp1408A","displayToPublicDate":"1996-05-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1408","chapter":"A","title":"Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon","docAbstract":"Regional aquifers underlying the 15,600-square-mile Snake River Plain in southern Idaho and eastern Oregon was studied as part of the U.S. Geological Survey's Regional Aquifer-System Analysis program. The largest and most productive aquifers in the Snake River Plain are composed of Quaternary basalt of the Snake River Group, which underlies most of the 10,8000-square-mile eastern plain. Aquifer tests and simulation indicate that transmissivity of the upper 200 feet of the basalt aquifer in the eastern plain commonly ranges from about 100,000 to 1,000,000 feet squared per day. However, transmissivity of the total aquifer thickness may be as much as 10 million feet squared per day. Specific yield of the upper 200 feet of the aquifer ranges from about 0.01 to 0.20. Average horizontal hydraulic conductivity of the upper 200 feet of the basalt aquifer ranges from less than 100 to 9,000 feet per day. Values may be one to several orders of magnitude higher in parts in individual flows, such as flow tops. Vertical hydraulic conductivity is probably several orders of magnitude lower than horizontal hydraulic conductivity and is generally related to the number of joints. Pillow lava in ancestral Snake River channels has the highest hydraulic conductivity of all rock types. Hydraulic conductivity of the basalt decreases with depth because of secondary filling of voids with calcite and silica. An estimated 80 to 120 million acre-feet of water is believed to be stored in the upper 200 feet of the basalt aquifer in the eastern plain. The most productive aquifers in the 4,800-square-mile western plain are alluvial sand and gravel in the Boise River valley. Although aquifer tests indicate that transmissivity of alluvium in the Boise River valley ranges from 5,000 to 160,000 feet squared per day, simulation suggests that average transmissivity of the upper 500 feet is generally less than 20,000 feet squared per day. Vertically averaged horizontal hydraulic conductivity of the upper 500 feet of alluvium ranges from about 4 to 40 feet per day; higher values can be expected in individual sand and gravel zones. Vertical hydraulic conductivity is considerably lower because of the presence of clay layers. Hydraulic heads measured in piezometers, interpreted from diagrams showing ground-water flow and equipotential lines and estimated by computer simulation, demonstrate that water movement is three dimensional through the rock framework. Natural recharge takes place along the margins of the plain where head decreases with depth; discharge takes place near some reaches of the Snake River and the Boise River where head increases with depth. Geothermal water in rhyolitic rocks in the western plain and western part of the eastern plain has higher hydraulic head than the overlying cold water. Geothermal water, therefore, moves upward and merges into the cold-water system. Basin water-budget analyses indicate that the volume of cold water. Carbon-14 age determinations, which indicate that residence time of geothermal water is 17,700 to 20,300 years, plus or minus 4,000 years, imply slow movement of water through the geothermal system. Along much of its length, the Snake River gains large quantities of ground water. On the eastern plain, the river gained about 1.9 million acre-feet of water between Blackfoot and Neeley, Idaho, in 1980. Between Milner and King Hill, Idaho, the river gained 4.7 million acre-feet, mostly as spring flow from the north side. Upstream from Blackfoot and in the vicinity of Lake Walcott, the rover loses flow to ground water during parts or all of the year. On the western plain, river gains from ground water are small relative to those on the eastern plain; most are from seepage. Streams in tributary drainage basins supply calcium/bicarbonate type and calcium/magnesium/bicarbonate type water to the plain. Water type is a reflection of the chemical composition of rocks in the drainage basin, Concentrations of dissolved solids are smallest, about 50 milligrams per liter, in streams such as the Boise River that drain areas of granitic rocks; concentrations are greatest, about 400 milligrams per liter, in streams such as the Owyhee and Raft Rivers that drain area of sedimentary rocks. Water chemistry reflects the interaction of surface water and ground water. The chemical composition of ground water in the plain is essentially the same as that in streamflow and groundwater discharge from tributary drainage basins. Tributary drainage basins supplied 85 percent of the ground-water recharge in the eastern plain during 1980 and a nearly equivalent percentage of the solute load in ground water; human activities and dissolution of minerals supplied the other solutes. Dissolved-solids concentrations in ground water were generally less than 400 milligrams per liter. Water from the lower geothermal system is chemically different from water from the upper cold-water system. Geothermal water typically has greater concentrations of sodium, bicarbonate, sulfate, chloride, fluoride, silica, arsenic, boron, and lithium and smaller concentrations of calcium, magnesium, and hydrogen. Difference are attributed to ion exchange as geothermal moves through the rock framework. Irrigation, mostly on the Snake River Plain, accounted for about 96 percent of consumptive water use in Idaho during 1980. The use of surface water for irrigation for more than 100 years has caused major changes in the hydrologic system on the plain. Construction of dams, reservoirs, and diversifications effected planned changes in the surface-water system but resulted in largely unplanned changes in the ground-water system. During those years of irrigation, annual recharge in the main part of the eastern plain increased to about 6.7 million acre-feet in 1980, or by about 70 percent. Most of the increase was from percolation of surface water diverted for irrigation. From preirrigation to 1952, groundwater storage increased about 24 million acre-feet, and storage decreased from 1952 to 1964 and from 1976 to 1980 because of below-normal precipitation and increased withdrawals of ground water for irrigation. Annual ground-water discharge increased to about 7.1 million acre-feet in 1980, or about 80 percent since the start of irrigation. About 10 percent of the 1980 total discharge was ground-water pumpage. About 3.1 million acres, or almost one-third of the plain, was irrigated during 1980: 2.0 million acres with surface water, 1.0 million acres with ground water, and 0.1 million acres with combined surface and ground water. About 8.9 million acre-feet of Snake River water was diverted for irrigation during 1980 and 2.3 million acre-feet of ground water was pumped from 5,300 wells. Most irrigation wells on the eastern plain are open to basalt. About two-thirds of them yield more than 1,500 gallons per minute with a reported maximum of 7,240 gallons per minute; drawdown is less than 20 feet in two-thirds of the wells. Most irrigation wells on the western plain are open to sedimentary rocks. About one-third of them yield more than 1,00 gallons per minute with a reported maximum of 3,850 gallons per minute; drawndown is less than 20 feet in about one-fifth of the wells. The major instream use of water on the Snake River Plain is hydroelectric power generation. Fifty-two million acre-feet of water generated 2.6 million megawatthours of electricity during 1980. Digital computer ground-water flows models of the eastern and western plain reasonably simulated regional changes in water levels and ground-water discharges from 1880 (preirrigation) to 1980. Model results support the concept of three-dimensional flow and the hypotheses of no underflow between the eastern and western plain. Simulation of the regional aquifer system in the eastern plain indicates that is 1980 hydrologic conditions, including pumpage, were to remain the same for another 30 years, moderate declines in ground-water levels and decreases in spring discharges would continue. Increased ground-water pumpage to irrigate an additional 1 million acres could cause ground-water levels to decline a few tens of feet in the central part of the plain and could cause corresponding decreases in ground-water discharge. A combination of actions such as increased ground-water pumpage and decreased use of surface water for irrigation (resulting in reduced recharge) would accentuate the changes.","language":"English","publisher":"U.S. Government Printing Office","doi":"10.3133/pp1408A","usgsCitation":"Lindholm, G.F., 1996, Summary of the Snake River plain Regional Aquifer-System Analysis in Idaho and eastern Oregon: U.S. Geological Survey Professional Paper 1408, Report: vii, 59 p.; 1 Plate: 34.00 x 24.00 inches, https://doi.org/10.3133/pp1408A.","productDescription":"Report: vii, 59 p.; 1 Plate: 34.00 x 24.00 inches","numberOfPages":"68","costCenters":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":104631,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_4855.htm","linkFileType":{"id":5,"text":"html"},"description":"4855"},{"id":124963,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1408a/report-thumb.jpg"},{"id":67291,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1408a/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":67292,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1408a/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Idaho;Oregon","otherGeospatial":"Snake River Plain","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117.0,42.0 ], [ -117.0,45.0 ], [ -111.0,45.0 ], [ -111.0,42.0 ], [ -117.0,42.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b01e4b07f02db6985c3","contributors":{"authors":[{"text":"Lindholm, G. 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,{"id":70017800,"text":"70017800 - 1996 - Episodic acidification of small streams in the northeastern United States: Episodic response project","interactions":[],"lastModifiedDate":"2023-12-22T16:48:30.767717","indexId":"70017800","displayToPublicDate":"1996-05-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Episodic acidification of small streams in the northeastern United States: Episodic response project","docAbstract":"<p><span>The Episodic Response Project (ERP) was an interdisciplinary study designed to address uncertainties about the occurrence, nature, and biological effects of episodic acidification of streams in the northeastern United States. The ERP research consisted of intensive studies of the chemistry and biological effects of episodes in 13 streams draining forested watersheds in the three study regions: the Northern Appalachian region of Pennsylvania and the Catskill and Adirondack Mountains of New York. Wet deposition was measured in each of the three study regions. Using automated instruments and samplers, discharge and chemistry of each stream was monitored intensively from fall 1988 through spring 1990. Biological studies focused on brook trout and native forage fish. Experimental approaches included in situ bioassays, radio transmitter studies of fish movement, and fish population studies. This paper provides an overview of the ERP, describes the methodology used in hydrologic and water chemistry components of the study, and summarizes the characteristics of the study sites, including the climatic and deposition conditions during the ERP and the general chemical characteristics of the study streams.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.2307/2269377","issn":"10510761","usgsCitation":"Wigington, P., Baker, J., DeWalle, D.R., Kretser, W., Murdoch, P., Simonin, H.A., Van Sickle, J., Mcdowell, M., Peck, D., and Barchet, W., 1996, Episodic acidification of small streams in the northeastern United States: Episodic response project: Ecological Applications, v. 6, no. 2, p. 374-388, https://doi.org/10.2307/2269377.","productDescription":"15 p.","startPage":"374","endPage":"388","numberOfPages":"15","costCenters":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"links":[{"id":228351,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0a0fe4b0c8380cd5219e","contributors":{"authors":[{"text":"Wigington, P.J. 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