{"pageNumber":"1092","pageRowStart":"27275","pageSize":"25","recordCount":40845,"records":[{"id":53106,"text":"fs10403 - 2003 - LakeVOC; A Computer Model to Estimate the Concentration of Volatile Organic Compounds in Lakes and Reservoirs","interactions":[],"lastModifiedDate":"2012-02-02T00:11:46","indexId":"fs10403","displayToPublicDate":"2004-04-01T00:00:00","publicationYear":"2003","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"104-03","title":"LakeVOC; A Computer Model to Estimate the Concentration of Volatile Organic Compounds in Lakes and Reservoirs","language":"ENGLISH","doi":"10.3133/fs10403","usgsCitation":"Bender, D.A., Asher, W., and Zogorski, J.S., 2003, LakeVOC; A Computer Model to Estimate the Concentration of Volatile Organic Compounds in Lakes and Reservoirs: U.S. Geological Survey Fact Sheet 104-03, 6 p., https://doi.org/10.3133/fs10403.","productDescription":"6 p.","costCenters":[],"links":[{"id":4667,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/fs10403/","linkFileType":{"id":5,"text":"html"}},{"id":120659,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_104_03.bmp"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b42df","contributors":{"authors":[{"text":"Bender, David A. 0000-0002-1269-0948 dabender@usgs.gov","orcid":"https://orcid.org/0000-0002-1269-0948","contributorId":985,"corporation":false,"usgs":true,"family":"Bender","given":"David","email":"dabender@usgs.gov","middleInitial":"A.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":246655,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Asher, William E.","contributorId":44986,"corporation":false,"usgs":true,"family":"Asher","given":"William E.","affiliations":[],"preferred":false,"id":246656,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zogorski, John S. jszogors@usgs.gov","contributorId":189,"corporation":false,"usgs":true,"family":"Zogorski","given":"John","email":"jszogors@usgs.gov","middleInitial":"S.","affiliations":[],"preferred":true,"id":246654,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":53713,"text":"ofr03426 - 2003 - MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model--Documentation of the SEAWAT-2000 Version with the Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT)","interactions":[],"lastModifiedDate":"2012-02-02T00:11:41","indexId":"ofr03426","displayToPublicDate":"2004-03-01T00:00:00","publicationYear":"2003","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":"2003-426","title":"MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model--Documentation of the SEAWAT-2000 Version with the Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT)","docAbstract":"SEAWAT-2000 is the latest release of the SEAWAT computer program for simulation of three-dimensional, variable-density, transient ground-water flow in porous media. SEAWAT-2000 was designed by combining a modified version of MODFLOW-2000 and MT3DMS into a single computer program. The code was developed using the MODFLOW-2000 concept of a process, which is defined as ?part of the code that solves a fundamental equation by a specified numerical method.? SEAWAT-2000 contains all of the processes distributed with MODFLOW-2000 and also includes the Variable-Density Flow Process (as an alternative to the constant-density Ground-Water Flow Process) and the Integrated MT3DMS Transport Process. Processes may be active or inactive, depending on simulation objectives; however, not all processes are compatible. For example, the Sensitivity and Parameter Estimation Processes are not compatible with the Variable-Density Flow and Integrated MT3DMS Transport Processes. The SEAWAT-2000 computer code was tested with the common variable-density benchmark problems and also with problems representing evaporation from a salt lake and rotation of immiscible fluids.","language":"ENGLISH","doi":"10.3133/ofr03426","usgsCitation":"Langevin, C.D., Shoemaker, W., and Guo, W., 2003, MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model--Documentation of the SEAWAT-2000 Version with the Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT): U.S. Geological Survey Open-File Report 2003-426, 43 p., https://doi.org/10.3133/ofr03426.","productDescription":"43 p.","costCenters":[],"links":[{"id":5055,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://fl.water.usgs.gov/Abstracts/ofr03_426_langevin.html","linkFileType":{"id":5,"text":"html"}},{"id":177136,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a7fe4b07f02db648cb8","contributors":{"authors":[{"text":"Langevin, Christian D. 0000-0001-5610-9759 langevin@usgs.gov","orcid":"https://orcid.org/0000-0001-5610-9759","contributorId":1030,"corporation":false,"usgs":true,"family":"Langevin","given":"Christian","email":"langevin@usgs.gov","middleInitial":"D.","affiliations":[{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true}],"preferred":true,"id":248193,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shoemaker, W. Barclay bshoemak@usgs.gov","contributorId":1495,"corporation":false,"usgs":true,"family":"Shoemaker","given":"W. Barclay","email":"bshoemak@usgs.gov","affiliations":[{"id":269,"text":"FLWSC-Ft. Lauderdale","active":true,"usgs":true},{"id":156,"text":"Caribbean Water Science Center","active":true,"usgs":true}],"preferred":true,"id":248194,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Guo, Weixing","contributorId":28641,"corporation":false,"usgs":true,"family":"Guo","given":"Weixing","affiliations":[],"preferred":false,"id":248195,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":53813,"text":"wri034329 - 2003 - Stratigraphy and vertical hydraulic conductivity of the St. Francois Confining Unit in the Viburnum Trend and evaluation of the Unit in the Viburnum Trend and exploration areas, southeastern Missouri","interactions":[],"lastModifiedDate":"2012-02-02T00:11:58","indexId":"wri034329","displayToPublicDate":"2004-03-01T00:00:00","publicationYear":"2003","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":"2003-4329","title":"Stratigraphy and vertical hydraulic conductivity of the St. Francois Confining Unit in the Viburnum Trend and evaluation of the Unit in the Viburnum Trend and exploration areas, southeastern Missouri","docAbstract":"The confining ability of the St. Francois confining unit (Derby-Doerun Dolomite and Davis Formation) was evaluated in ten townships (T. 31?35 N. and R. 01?02 W.) along the Viburnum Trend of southeastern Missouri. Vertical hydraulic conductivity data were compared to similar data collected during two previous studies 20 miles south of the Viburnum Trend, in two lead-zinc exploration areas that may be a southern extension of the Viburnum Trend. The surficial Ozark aquifer is the primary source of water for domestic and public-water supplies and major springs in southern Missouri. The St. Francois confining unit lies beneath the Ozark aquifer and impedes the movement of water between the Ozark aquifer and the underlying St. Francois aquifer (composed of the Bonneterre Formation and Lamotte Sandstone). The Bonneterre Formation is the primary host formation for lead-zinc ore deposits of the Viburnum Trend and potential host formation in the exploration areas.\r\n\r\nFor most of the more than 40 years the mines have been in operation along the Viburnum Trend, about 27 million gallons per day were being pumped from the St. Francois aquifer for mine dewatering. Previous studies conducted along the Viburnum Trend have concluded that no large cones of depression have developed in the potentiometric surface of the Ozark aquifer as a result of mining activity. Because of similar geology, stratigraphy, and depositional environment between the Viburnum Trend and the exploration areas, the Viburnum Trend may be used as a pertinent, full-scale model to study and assess how mining may affect the exploration areas.\r\n\r\nAlong the Viburnum Trend, the St. Francois confining unit is a complex series of dolostones, limestones, and shales that generally is 230 to 280 feet thick with a net shale thickness ranging from less than 25 to greater than 100 feet with the thickness increasing toward the west. Vertical hydraulic conductivity values determined from laboratory permeability tests were used to represent the St. Francois confining unit along the Viburnum Trend. The Derby-Doerun Dolomite and Davis Formation are statistically similar, but the Davis Formation would be the more hydraulically restrictive medium. The shale and carbonate values were statistically different. The median vertical hydraulic conductivity value for the shale samples was 62 times less than the carbonate samples. Consequently, the net shale thickness of the confining unit along the Viburnum Trend significantly affects the effective vertical hydraulic conductivity. As the percent of shale increases in a given horizon, the vertical hydraulic conductivity decreases.\r\n\r\nThe range of effective vertical hydraulic conductivity for the confining unit in the Viburnum Trend was estimated to be a minimum of 2 x 10-13 ft/s (foot per second) and a maximum of 3 x 10-12 ft/s. These vertical hydraulic conductivity values are considered small and verify conclusions of previous studies that the confining unit effectively impedes the flow of ground water between the Ozark aquifer and the St. Francois aquifer along the Viburnum Trend.\r\n\r\nPreviously-collected vertical hydraulic conductivity data for the two exploration areas from two earlier studies were combined with the data collected along the Viburnum Trend. The nonparametric Kruskal-Wallis statistical test shows the vertical hydraulic conductivity of the St. Francois confining unit along the Viburnum Trend, and west and east exploration areas are statistically different. The vertical hydraulic conductivity values generally are the largest in the Viburnum Trend and are smallest in the west exploration area. The statistical differences in these values do not appear to be attributed strictly to either the Derby-Doerun Dolomite or Davis Formation, but instead they are caused by the differences in the carbonate vertical hydraulic conductivity values at the three locations.\r\n\r\nThe calculated effective vertical hydraulic conductivity range for the St. Franc","language":"ENGLISH","doi":"10.3133/wri034329","usgsCitation":"Kleeschulte, M.J., and Seeger, C.M., 2003, Stratigraphy and vertical hydraulic conductivity of the St. Francois Confining Unit in the Viburnum Trend and evaluation of the Unit in the Viburnum Trend and exploration areas, southeastern Missouri: U.S. Geological Survey Water-Resources Investigations Report 2003-4329, 63 p., https://doi.org/10.3133/wri034329.","productDescription":"63 p.","costCenters":[],"links":[{"id":181204,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":5225,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/wri/wri034329/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a652f","contributors":{"authors":[{"text":"Kleeschulte, Michael J.","contributorId":75891,"corporation":false,"usgs":true,"family":"Kleeschulte","given":"Michael","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":248419,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Seeger, Cheryl M.","contributorId":63848,"corporation":false,"usgs":true,"family":"Seeger","given":"Cheryl","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":248418,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":53426,"text":"wri034332 - 2003 - Evaluation of Streamflow Requirements for Habitat Protection by Comparison to Streamflow Characteristics at Index Streamflow-Gaging Stations in Southern New England","interactions":[],"lastModifiedDate":"2017-11-13T10:32:22","indexId":"wri034332","displayToPublicDate":"2004-03-01T00:00:00","publicationYear":"2003","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":"2003-4332","title":"Evaluation of Streamflow Requirements for Habitat Protection by Comparison to Streamflow Characteristics at Index Streamflow-Gaging Stations in Southern New England","docAbstract":"<p>Streamflow characteristics and methods for determining streamflow requirements for habitat protection were investigated at 23 active index streamflow-gaging stations in southern New England. Fish communities sampled near index streamflow-gaging stations in Massachusetts have a high percentage of fish that require flowing-water habitats for some or all of their life cycle. The relatively unaltered flow condition at these sites was assumed to be one factor that has contributed to this condition. </p><p>Monthly flow durations and low flow statistics were determined for the index streamflow-gaging stations for a 25- year period from 1976 to 2000. Annual hydrographs were prepared for each index station from median streamflows at the 50-percent monthly flow duration, normalized by drainage area. A median monthly flow of 1 ft<sup>3</sup>/s/mi<sup>2</sup> was used to split hydrographs into a high-flow period (November–May), and a low-flow period (June–October). The hydrographs were used to classify index stations into groups with similar median monthly flow durations. Index stations were divided into four regional groups, roughly paralleling the coast, to characterize streamflows for November to May; and into two groups, on the basis of base-flow index and percentage of sand and gravel in the contributing area, for June to October. </p><p>For the June to October period, for index stations with a high base-flow index and contributing areas greater than 20 percent sand and gravel, median streamflows at the 50-percent monthly flow duration, normalized by drainage area, were 0.57, 0.49, and 0.46 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for July, August, and September, respectively. For index stations with a low base-flow index and contributing areas less than 20 percent sand and gravel, median streamflows at the 50-percent monthly flow duration, normalized by drainage area, were 0.34, 0.28, and 0.27 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for July, August, and September, respectively. Streamflow variability between wet and dry years can be characterized by use of the interquartile range of median streamflows at selected monthly flow durations. For example, the median Q50 discharge for August had an interquartile range of 0.30 to 0.87 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for the high-flow group and 0.16 to 0.47 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for the low-flow group. </p><p>Streamflow requirements for habitat protection were determined for 23 index stations by use of three methods based on hydrologic records, the Range of Variability Approach, the Tennant method, and the New England Aquatic-Base-Flow method. Normalized flow management targets determined by the Range of Variability Approach for July, August, and September ranged between 0.21 and 0.84 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for the low monthly flow duration group, and 0.37 and 1.27 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for the high monthly flow duration group. Median streamflow requirements for habitat protection during summer for the 23 index streamflow-gaging stations determined by the Tennant method, normalized by drainage area, were 0.81, 0.61, and 0.21 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> for the Tennant 40-, 30-, and 10-percent of the mean annual flow methods, representing good, fair, and poor stream habitat conditions in summer, according to Tennant. New England Aquatic-Base-Flow streamflow requirements for habitat protection during summer were determined from median of monthly mean flows for August for index streamflow-gaging stations having drainage areas greater than 50 mi<sup>2</sup> . For five index streamflow-gaging stations in the low median monthly flow group, the average median monthly mean streamflow for August, normalized by drainage area, was 0.48 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup>. </p><p>Streamflow requirements for habitat protection were determined for riffle habitats near 10 index stations by use of two methods based on hydraulic ratings, the Wetted-Perimeter and R2Cross methods. Hydraulic parameters required by these methods were simulated by calibrated HEC-RAS models. Wetted-Perimeter streamflow requirements for habitat protection, normalized by drainage area, ranged between 0.13 and 0.58 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup>, and had a median value of 0.37 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup>. Streamflow requirements determined by the R2Cross 3-of-3&nbsp;criteria method ranged between 0.39 and 2.1 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> , and had a median of 0.84 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup>. Streamflow requirements determined by the R2Cross 2-of-3 criteria method, normalized by drainage area, ranged between 0.16 and 0.85 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> and had a median of 0.36 <span>ft</span><sup>3</sup><span>/s/mi</span><sup>2</sup> , respectively. Streamflow requirements determined by the different methods were evaluated by comparison to streamflow statistics from the index streamflow-gaging stations. </p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri034332","usgsCitation":"Armstrong, D.S., Parker, G.W., and Richards, T.A., 2003, Evaluation of Streamflow Requirements for Habitat Protection by Comparison to Streamflow Characteristics at Index Streamflow-Gaging Stations in Southern New England: U.S. Geological Survey Water-Resources Investigations Report 2003-4332, 108 p., https://doi.org/10.3133/wri034332.","productDescription":"108 p.","costCenters":[],"links":[{"id":181390,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":348673,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/wri034332/pdf/wrir034332_ver1.2.pdf","text":"Report Version 1.2","size":"10.7 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":348674,"rank":4,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/wri/wri034332/pdf/03-4223_frontcvr.pdf","text":"Printable page size cover","size":"7.9 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":348675,"rank":5,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/wri/wri034332/pdf/da_outcover_CMYK_tabloid.pdf","text":"Printable tabloid cover","size":"7.9 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":348676,"rank":6,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/wri/wri034332/control/wrir034332_errata2007.pdf","text":"Errata Sheet"},{"id":5209,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri034332/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a07e4b07f02db5f971d","contributors":{"authors":[{"text":"Armstrong, David S. 0000-0003-1695-1233 darmstro@usgs.gov","orcid":"https://orcid.org/0000-0003-1695-1233","contributorId":1390,"corporation":false,"usgs":true,"family":"Armstrong","given":"David","email":"darmstro@usgs.gov","middleInitial":"S.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":247565,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parker, Gene W. gwparker@usgs.gov","contributorId":1392,"corporation":false,"usgs":true,"family":"Parker","given":"Gene","email":"gwparker@usgs.gov","middleInitial":"W.","affiliations":[],"preferred":true,"id":247566,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Richards, Todd A.","contributorId":52266,"corporation":false,"usgs":true,"family":"Richards","given":"Todd","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":247567,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":53231,"text":"ofr2003318 - 2003 - Lithologic coring in the lower Anacostia tidal watershed, Washington, D.C., July 2002","interactions":[],"lastModifiedDate":"2023-03-09T20:58:28.458084","indexId":"ofr2003318","displayToPublicDate":"2004-03-01T00:00:00","publicationYear":"2003","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":"2003-318","title":"Lithologic coring in the lower Anacostia tidal watershed, Washington, D.C., July 2002","docAbstract":"Little is known about the volumetric flux of ground water to the lower tidal Anacostia River, or whether ground-water flow is an important component of the contaminant load in this part of the Anacostia River. The watershed is in the eastern part of Washington, D.C., and has been subjected to over 200 years of urbanization and modifications of the river channel and nearby land areas. These anthropogenic factors, along with tidal fluctuations in the river, make ground-water data collection and interpretations difficult.\r\n\r\nThe U.S. Geological Survey is cooperating with the District of Columbia Department of Health, Environmental Health Administration, Bureau of Environmental Quality, Water Quality Division, in a study to assess nonpoint-source pollution from ground water into the lower tidal Anacostia River. Lithologic cores from drilling activities conducted during July 2002 in the study area have been interpreted in the context of geologic and hydrogeologic information from previous studies in the lower Anacostia tidal watershed. These interpretations can help achieve the overall project goals of characterizing ground-water flow and contaminant load in the study area.\r\n\r\nHydrostratigraphic units encountered during drilling generally consisted of late Pleistocene to Holocene fluvial deposits overlying Cretaceous fluvial/deltaic deposits. Cores collected in Beaverdam Creek and the Anacostia River indicated high- and low-energy environments of deposition, respectively. Two cores collected near the river showed different types of anthropogenic fill underlain by low-energy deposits, which were in turn underlain by sand and gravel. A third core collected near the river consisted primarily of sand and gravel with no artificial fill.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr2003318","usgsCitation":"Tenbus, F.J., 2003, Lithologic coring in the lower Anacostia tidal watershed, Washington, D.C., July 2002: U.S. Geological Survey Open-File Report 2003-318, iii, 62 p., https://doi.org/10.3133/ofr2003318.","productDescription":"iii, 62 p.","temporalStart":"2002-07-01","temporalEnd":"2002-07-31","costCenters":[{"id":41514,"text":"Maryland-Delaware-District of Columbia  Water Science Center","active":true,"usgs":true}],"links":[{"id":174144,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":403567,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_67773.htm","linkFileType":{"id":5,"text":"html"}},{"id":9038,"rank":3,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/ofr03-318/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","city":"Washington DC","otherGeospatial":"tidal Anacostia watershed","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -77.02651977539062,\n              38.84505571861154\n            ],\n            [\n              -76.92489624023438,\n              38.84505571861154\n            ],\n            [\n              -76.92489624023438,\n              38.93377552819722\n            ],\n            [\n              -77.02651977539062,\n              38.93377552819722\n            ],\n            [\n              -77.02651977539062,\n              38.84505571861154\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a481f","contributors":{"authors":[{"text":"Tenbus, Frederick J.","contributorId":52145,"corporation":false,"usgs":true,"family":"Tenbus","given":"Frederick","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":247003,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":53625,"text":"wri034143 - 2003 - Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho","interactions":[],"lastModifiedDate":"2023-04-03T19:39:33.707042","indexId":"wri034143","displayToPublicDate":"2004-03-01T00:00:00","publicationYear":"2003","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":"2003-4143","title":"Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho","docAbstract":"A probability map constructed for this study\nidentified several areas in a six-county region of\nsouth-central Idaho with high probabilities of\ndetecting elevated concentrations (greater than\n2 milligrams per liter) of nitrate. An increasing\nproportion of Idaho’s ground water being used\nfor drinking water and large increases in the inputs\nof nitrogen to ground water in Cassia, Gooding,\nJerome, Lincoln, Minidoka, and Twin Falls Counties\nhave prompted concerns about the quality of\nthe resource. The probability map was constructed\nto assist regulatory and resource agencies in managing\nland use and protecting water resources.\nTo construct the probability map, hydrogeologic\nand anthropogenic data were integrated with\nground-water quality data in a geographic information\nsystem. The resulting data set contained\nland use, geology, precipitation, soil characteristics,\ndepth to ground water, nitrogen input, and\nground-water velocity information for each of the\n1,365 samples collected from 1991 to 2001. Logistic\nregression analysis was used to determine the\nmost statistically significant variables related to\nthe detection of elevated nitrate concentrations.\nThe resulting multivariate probability model\nshowed that ground-water velocity, nitrogen input,\nprecipitation, soil drainage, land use, and depth to\nground water were significantly correlated with\nelevated nitrate concentrations. A subset of the\nwater-quality data set was used to verify these\nresults. Linear regression of the percentage of predicted\nprobabilities of elevated nitrate concentrations\nand the actual percentage of elevated nitrate\nconcentrations with the model data set and the verification\ndata set both showed good correlations:\nr-squared values were 0.96 and 0.97, respectively.\nStatistical comparisons of both data sets showed\nthat ground-water samples containing elevated\nnitrate concentrations had significantly higher\nprobabilities of detection (p < 0.001) than samples\nwithout elevated nitrate concentrations. On the\nbasis of these results, a map identifying the probability\nof detecting elevated nitrate concentrations\nwas constructed. High-probability areas on the\nmap coincided with regions of agricultural land\nuse and high nitrogen input, except in southern\nGooding County and western Jerome County. In\nthese areas, high ground-water velocities representing\na predominance of regional ground water\nresulted in a low probability of detecting elevated\nnitrate concentrations. Areas of poor prediction\ntended to be congregated along the transition zone\nbetween high and low ground-water velocities in\nJerome and Gooding Counties, indicating a mix of\nregional and recently recharged ground water.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri034143","collaboration":"Prepared in cooperation with Idaho Department of Environmental Quality and Cassia, Gooding, Jerome, Lincoln, Minidoka, and Twin Falls Counties","usgsCitation":"Skinner, K.D., and Donato, M.M., 2003, Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho: U.S. Geological Survey Water-Resources Investigations Report 2003-4143, iv, 23 p., https://doi.org/10.3133/wri034143.","productDescription":"iv, 23 p.","numberOfPages":"29","temporalStart":"1991-01-01","temporalEnd":"2001-12-31","costCenters":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":415100,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_67522.htm","linkFileType":{"id":5,"text":"html"}},{"id":262385,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2003/4143/report-thumb.jpg"},{"id":262384,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2003/4143/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Idaho","county":"Cassia County, Gooding County, Jerome County, Lincoln County, Minidoka County, Twin Falls County","otherGeospatial":"Snake River Plain","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -115,\n              42\n            ],\n            [\n              -115,\n              43.1981\n            ],\n            [\n              -113,\n              43.1981\n            ],\n            [\n              -113,\n              42\n            ],\n            [\n              -115,\n              42\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ee4b07f02db660bce","contributors":{"authors":[{"text":"Skinner, Kenneth D. 0000-0003-1774-6565 kskinner@usgs.gov","orcid":"https://orcid.org/0000-0003-1774-6565","contributorId":1836,"corporation":false,"usgs":true,"family":"Skinner","given":"Kenneth","email":"kskinner@usgs.gov","middleInitial":"D.","affiliations":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"preferred":true,"id":247944,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Donato, Mary M.","contributorId":30962,"corporation":false,"usgs":true,"family":"Donato","given":"Mary","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":247945,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":53717,"text":"ofr03368 - 2003 - Debris-flow hazards caused by hydrologic events at Mount Rainier, Washington","interactions":[],"lastModifiedDate":"2014-03-13T10:47:57","indexId":"ofr03368","displayToPublicDate":"2004-02-01T07:00:00","publicationYear":"2003","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":"2003-368","title":"Debris-flow hazards caused by hydrologic events at Mount Rainier, Washington","docAbstract":"<p>At 4393 m, ice-clad Mount Rainier has great potential for debris flows owing to its precipitous slopes and incised steep valleys, the large volume of water stored in its glaciers, and a mantle of loose debris on its slopes. In the past 10,000 years, more than sixty Holocene lahars have occurred at Mount Rainier (Scott et al., 1985), and, in addition more than thirty debris flows not related to volcanism have occurred in historical time (Walder and Driedger, 1984). Lahars at Mount Rainier can be classed in 3 groups according to their genesis: (1) flank collapse of hydrothermally altered, water-saturated rock; (2) eruption-related release of water and loose debris; and (3) hydrologic release of water and debris (Scott et al., 1985). Lahars in the first two categories are commonly voluminous and are generally related to unrest and explosions that occur during eruptive episodes. Lahars in the third category, distinguished here as debris flows, are less voluminous than the others but occur frequently at Mount Rainier, often with little or no warning.</p>\n<br/>\n<p>Historically at Mount Rainier, glacial outburst floods, torrential rains, and stream capture have caused small- to moderate-size debris flows (Walder and Driedger, 1984). Such debris flows are most likely to occur in drainages that have large glaciers in them. Less commonly, a drainage diversion has triggered a debris flow in an unglaciated drainage basin. For example, the diversion of Kautz Glacier meltwater into Van Trump basin triggered debris flows on the south side of Rainier in August 2001.</p>\n<br/>\n<p>On the basis of historical accounts, debris flows having hydrologic origins are likely to be unheralded, and have occurred as seldom as once in 8 years and as often as four times per year at Mount Rainier (Walder and Driedger, 1984). Such debris flows are most likely to occur during periods of hot dry weather or during periods of intense rainfall, and therefore must occur during the summer and fall. They are likely to begin at or above the elevations of glacier termini and extend down valley.</p>\n<br/>\n<p>This report discusses potential hazards from debris flows induced by hydrologic events such as glacial outburst floods and torrential rain at Mount Rainier and the surrounding area bounded by Mount Rainier National Park. The report also shows, in the accompanying hazard-zonation maps, which areas are likely to be at risk from future such debris flows at Mount Rainier. Lahar hazards related to avalanches of altered rock and to the interactions of hot rock and ice during eruptions are discussed in Scott and Vallance (1995) and Hoblitt et al. (1998) and are not addressed in this report.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr03368","usgsCitation":"Vallance, J.W., Cunico, M.L., and Schilling, S.P., 2003, Debris-flow hazards caused by hydrologic events at Mount Rainier, Washington: U.S. Geological Survey Open-File Report 2003-368, Report: iv, 4 p.; Plate 1: 48 x 36 inches; Plate 2: 60 x 36 inches, https://doi.org/10.3133/ofr03368.","productDescription":"Report: iv, 4 p.; Plate 1: 48 x 36 inches; Plate 2: 60 x 36 inches","numberOfPages":"8","costCenters":[{"id":157,"text":"Cascades Volcano Observatory","active":false,"usgs":true}],"links":[{"id":177253,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr03368.PNG"},{"id":5059,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/0368/","linkFileType":{"id":5,"text":"html"}},{"id":283921,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2003/0368/pdf/of03-368.pdf"},{"id":283922,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/2003/0368/pdf/of03-368plt-1.pdf"},{"id":283923,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/2003/0368/pdf/of03-368plt-2.pdf"}],"country":"United States","state":"Washington","otherGeospatial":"Mount Rainier","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -121.876709,46.787719 ], [ -121.876709,46.945802 ], [ -121.638906,46.945802 ], [ -121.638906,46.787719 ], [ -121.876709,46.787719 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abbe4b07f02db67276a","contributors":{"authors":[{"text":"Vallance, James W. 0000-0002-3083-5469 jvallance@usgs.gov","orcid":"https://orcid.org/0000-0002-3083-5469","contributorId":547,"corporation":false,"usgs":true,"family":"Vallance","given":"James","email":"jvallance@usgs.gov","middleInitial":"W.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":248207,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cunico, Michelle L.","contributorId":101736,"corporation":false,"usgs":true,"family":"Cunico","given":"Michelle","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":248209,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schilling, Steve P. sschilli@usgs.gov","contributorId":634,"corporation":false,"usgs":true,"family":"Schilling","given":"Steve","email":"sschilli@usgs.gov","middleInitial":"P.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":248208,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":69723,"text":"mf2419 - 2003 - Geologic map of the Puye Quadrangle, Los Alamos, Rio Arriba, Sandoval, and Santa Fe Counties, New Mexico","interactions":[],"lastModifiedDate":"2012-02-10T00:11:23","indexId":"mf2419","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2419","title":"Geologic map of the Puye Quadrangle, Los Alamos, Rio Arriba, Sandoval, and Santa Fe Counties, New Mexico","docAbstract":"      The Puye quadrangle covers an area on the eastern flank of the Jemez Mountains, north of Los Alamos and west of Espanola, New Mexico.  Most of the quadrangle consists of a dissected plateau that was formed on the resistant caprock of the Bandelier Tuff, which was erupted from the Valles caldera approximately 1 to 2 million years ago.  Within the canyons of the east-flowing streams that eroded this volcanic tableland, Miocene and Pliocene fluvial deposits of the Puye Formation and Santa Fe Group are exposed beneath the Bandelier Tuff.  These older units preserve sand and gravel that were deposited by streams and debris flows flowing from source areas located mostly north and northeast of the Puye quadrangle.  The landscape of the southeastern part of the quadrangle is dominated by the valley of the modern Rio Grande, and by remnants of piedmont-slope and river-terrace deposits that formed during various stages of incision of the Rio Grande drainage on the landscape.  Landslide deposits are common along the steep canyon walls where broad tracts of the massive caprock units have slumped toward the canyons on zones of weakness in underlying strata, particularly on silt/clay-rich lacustrine beds within the Puye Formation.","language":"ENGLISH","doi":"10.3133/mf2419","usgsCitation":"Dethier, D., 2003, Geologic map of the Puye Quadrangle, Los Alamos, Rio Arriba, Sandoval, and Santa Fe Counties, New Mexico (Version 1.0): U.S. Geological Survey Miscellaneous Field Studies Map 2419, over-sized sheet, 40 by 30 inch, in color, https://doi.org/10.3133/mf2419.","productDescription":"over-sized sheet, 40 by 30 inch, in color","costCenters":[],"links":[{"id":110471,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_62574.htm","linkFileType":{"id":5,"text":"html"},"description":"62574"},{"id":187817,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":6393,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/mf/2003/mf-2419/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -106.25,35.8675 ], [ -106.25,36 ], [ -106.11749999999999,36 ], [ -106.11749999999999,35.8675 ], [ -106.25,35.8675 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae7e4b07f02db68c074","contributors":{"authors":[{"text":"Dethier, David P.","contributorId":35285,"corporation":false,"usgs":true,"family":"Dethier","given":"David P.","affiliations":[],"preferred":false,"id":281013,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":53241,"text":"ofr03493 - 2003 - Trace element and Nd, Sr, Pb isotope geochemistry of Kilauea Volcano, Hawai'i, near-vent eruptive products: 1983-2001","interactions":[],"lastModifiedDate":"2014-03-14T09:22:59","indexId":"ofr03493","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-493","title":"Trace element and Nd, Sr, Pb isotope geochemistry of Kilauea Volcano, Hawai'i, near-vent eruptive products: 1983-2001","docAbstract":"This open-file report serves as a repository for geochemical data referred to in U.S. Geological Survey Professional Paper 1676 (Heliker, Swanson, and Takahashi, eds., 2003), which includes multidisciplinary research papers pertaining to the first twenty years of Puu Oo Kupaianaha eruption activity. Details of eruption characteristics and nomenclature are provided in the introductory chapter of that volume (Heliker and Mattox, 2003). Geochemical relations of this data are depicted and interpreted by Thornber (2003), Thornber and others (2003a) and Thornber (2001).\n\nThis report supplements Thornber and others (2003b) in which whole-rock and glass major-element data on ~1000 near-vent lava samples collected during the 1983 to 2001 eruptive interval of Kilauea Volcano, Hawai'i, are presented. Herein, we present whole-rock trace element compositions of 85 representative samples collected from January 1983 to May 2001; glass trace-element compositions of 39 Pele’s Tear (tephra) samples collected from September 1995 to September 1996, and whole-rock Nd, Sr and Pb isotopic analyses of 10 representative samples collected from September 1983 to September 1993. Thornber and others (2003b) provide a specific record of sample characteristics, location, etc., for each of the samples reported here. Spreadsheets of both reports may be integrated and sorted based upon time of formation or sample numbers. General information pertaining to the selectivity and petrologic significance of this sample suite is presented by Thornber and others (2003b). As justified in that report, this select suite of time-constrained geochemical data is suitable for constructing petrologic models of pre-eruptive magmatic processes associated with prolonged rift zone eruption of Hawaiian shield volcanoes.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr03493","usgsCitation":"Thornber, C.R., Budahn, J.R., Ridley, W., and Unruh, D., 2003, Trace element and Nd, Sr, Pb isotope geochemistry of Kilauea Volcano, Hawai'i, near-vent eruptive products: 1983-2001: U.S. Geological Survey Open-File Report 2003-493, Report: 5 p.; Geochem data, https://doi.org/10.3133/ofr03493.","productDescription":"Report: 5 p.; Geochem data","numberOfPages":"5","temporalStart":"1983-01-01","temporalEnd":"2001-12-31","costCenters":[{"id":336,"text":"Hawaiian Volcano Observatory","active":false,"usgs":true}],"links":[{"id":178221,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr03493.jpg"},{"id":4894,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/0493/","linkFileType":{"id":5,"text":"html"}},{"id":284001,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2003/0493/pdf/of03-493.pdf"},{"id":284002,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/2003/0493/OF03-493data.xls"}],"country":"United States","state":"Hawai'i","otherGeospatial":"Kilauea Volcano","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -155.305533,19.38969 ], [ -155.305533,19.443418 ], [ -155.232799,19.443418 ], [ -155.232799,19.38969 ], [ -155.305533,19.38969 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ee4b07f02db627ef4","contributors":{"authors":[{"text":"Thornber, Carl R. cthornber@usgs.gov","contributorId":2016,"corporation":false,"usgs":true,"family":"Thornber","given":"Carl","email":"cthornber@usgs.gov","middleInitial":"R.","affiliations":[{"id":157,"text":"Cascades Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":247024,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Budahn, James R. 0000-0001-9794-8882 jbudahn@usgs.gov","orcid":"https://orcid.org/0000-0001-9794-8882","contributorId":1175,"corporation":false,"usgs":true,"family":"Budahn","given":"James","email":"jbudahn@usgs.gov","middleInitial":"R.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":247023,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ridley, W. Ian 0000-0001-6787-558X","orcid":"https://orcid.org/0000-0001-6787-558X","contributorId":17269,"corporation":false,"usgs":true,"family":"Ridley","given":"W. Ian","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":247025,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Unruh, Daniel M.","contributorId":96291,"corporation":false,"usgs":true,"family":"Unruh","given":"Daniel M.","affiliations":[],"preferred":false,"id":247026,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":53242,"text":"ofr03489 - 2003 - Isotopes and ages in the northern Peninsular Ranges batholith, southern California","interactions":[],"lastModifiedDate":"2023-06-22T16:43:10.767691","indexId":"ofr03489","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-489","title":"Isotopes and ages in the northern Peninsular Ranges batholith, southern California","docAbstract":"Strontium, oxygen and lead isotopic and rubidium-strontium geochronologic studies have been completed on Cretaceous and Jurassic (?) granitic rock samples from the northern Peninsular Ranges batholith in southern California. Many of these samples were collected systematically and studied chemically by A. K. Baird and colleagues (Baird and others, 1979). The distribution of these granitic rocks is shown in the Santa Ana, Perris, and San Jacinto Blocks, bounded by the Malibu Coast-Cucamonga, Banning, and San Andreas fault zones, and the Pacific Ocean on the map of the Peninsular Ranges batholith and surrounding area, southern California. The granitic rock names are by Baird and Miesch (1984) who used a modal mineral classification that Bateman and others (1963) used for granitic rocks in the Sierra Nevada batholith. In this classification, granitic rocks have at least 10% quartz. Boundaries between rock types are in terms of the ratio of alkali-feldspar to total feldspar: quartz diorite, 0-10%; granodiorite, 10-35%; quartz monzonite 35-65%; granite >65%. Gabbros have 0-10% quartz.\n\nData for samples investigated are giv in three tables: samples, longitude, latitude, specific gravity and rock type (Table 1); rubidium and strontium data for granitic rocks of the northern Peninsular Ranges batholith, southern California (Table 2); U, Th, Pb concentrations, Pb and Sr initial isotopic compositions, and δ<sup>18</sup>O permil values for granitic rocks of the northern Peninsular Ranges batholith (table 3).","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr03489","usgsCitation":"Kistler, R., Wooden, J., and Morton, D.M., 2003, Isotopes and ages in the northern Peninsular Ranges batholith, southern California: U.S. Geological Survey Open-File Report 2003-489, 45 p., https://doi.org/10.3133/ofr03489.","productDescription":"45 p.","numberOfPages":"45","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":178222,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":4895,"rank":4,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/0489/","linkFileType":{"id":5,"text":"html"}},{"id":283984,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2003/0489/pdf/of03-489.pdf"},{"id":407013,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_62280.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"California","otherGeospatial":"Peninsular Ranges","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -117.2333,\n              32.9444\n            ],\n            [\n              -116.0833,\n              32.9444\n            ],\n            [\n              -116.0833,\n              34.0556\n            ],\n            [\n              -117.2333,\n              34.0556\n            ],\n            [\n              -117.2333,\n              32.9444\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa7e4b07f02db667029","contributors":{"authors":[{"text":"Kistler, Ronald W.","contributorId":56969,"corporation":false,"usgs":true,"family":"Kistler","given":"Ronald W.","affiliations":[],"preferred":false,"id":247029,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wooden, Joseph L.","contributorId":32209,"corporation":false,"usgs":true,"family":"Wooden","given":"Joseph L.","affiliations":[],"preferred":false,"id":247028,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morton, Douglas M. scamp@usgs.gov","contributorId":4102,"corporation":false,"usgs":true,"family":"Morton","given":"Douglas","email":"scamp@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":247027,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":53246,"text":"ofr03481 - 2003 - Emergency Assessment of Debris-Flow Hazards from Basins Burned by the Piru, Simi, and Verdale Fires of 2003, Southern California","interactions":[],"lastModifiedDate":"2012-02-02T00:11:43","indexId":"ofr03481","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-481","title":"Emergency Assessment of Debris-Flow Hazards from Basins Burned by the Piru, Simi, and Verdale Fires of 2003, Southern California","docAbstract":"These maps present preliminary assessments of the probability of debris-flow activity and estimates of peak discharges that can potentially be generated by debris-flows issuing from basins burned by the Piru, Simi and Verdale Fires of October 2003 in southern California in response to the 25-year, 10-year, and 2-year 1-hour rain storms. The probability maps are based on the application of a logistic multiple regression model that describes the percent chance of debris-flow production from an individual basin as a function of burned extent, soil properties, basin gradients and storm rainfall. The peak discharge maps are based on application of a multiple-regression model that can be used to estimate debris-flow peak discharge at a basin outlet as a function of basin gradient, burn extent, and storm rainfall. Probabilities of debris-flow occurrence for the Piru Fire range between 2 and 94% and estimates of debris flow peak discharges range between 1,200 and 6,640 ft3/s (34 to 188 m3/s). Basins burned by the Simi Fire show probabilities for debris-flow occurrence between 1 and 98%, and peak discharge estimates between 1,130 and 6,180 ft3/s (32 and 175 m3/s). The probabilities for debris-flow activity calculated for the Verdale Fire range from negligible values to 13%. Peak discharges were not estimated for this fire because of these low probabilities. These maps are intended to identify those basins that are most prone to the largest debris-flow events and provide information for the preliminary design of mitigation measures and for the planning of evacuation timing and routes.","language":"ENGLISH","doi":"10.3133/ofr03481","usgsCitation":"Cannon, S.H., Gartner, J.E., Rupert, M.G., and Michael, J.A., 2003, Emergency Assessment of Debris-Flow Hazards from Basins Burned by the Piru, Simi, and Verdale Fires of 2003, Southern California (Version 1.0 ): U.S. Geological Survey Open-File Report 2003-481, 1 over-sized sheet, 66 by 36 inches, https://doi.org/10.3133/ofr03481.","productDescription":"1 over-sized sheet, 66 by 36 inches","costCenters":[],"links":[{"id":4926,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/ofr-03-481/","linkFileType":{"id":5,"text":"html"}},{"id":176992,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"edition":"Version 1.0 ","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db602b36","contributors":{"authors":[{"text":"Cannon, Susan H. cannon@usgs.gov","contributorId":1019,"corporation":false,"usgs":true,"family":"Cannon","given":"Susan","email":"cannon@usgs.gov","middleInitial":"H.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":247041,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gartner, Joseph E. jegartner@usgs.gov","contributorId":1876,"corporation":false,"usgs":true,"family":"Gartner","given":"Joseph","email":"jegartner@usgs.gov","middleInitial":"E.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":247043,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rupert, Michael G. mgrupert@usgs.gov","contributorId":1194,"corporation":false,"usgs":true,"family":"Rupert","given":"Michael","email":"mgrupert@usgs.gov","middleInitial":"G.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":247042,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Michael, John A. jmichael@usgs.gov","contributorId":1877,"corporation":false,"usgs":true,"family":"Michael","given":"John","email":"jmichael@usgs.gov","middleInitial":"A.","affiliations":[{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":false,"id":247044,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":51994,"text":"wri034092 - 2003 - Simulation of Temperature, Nutrients, Biochemical Oxygen Demand, and Dissolved Oxygen in the Catawba River, South Carolina, 1996-97","interactions":[],"lastModifiedDate":"2017-01-20T09:51:11","indexId":"wri034092","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-4092","title":"Simulation of Temperature, Nutrients, Biochemical Oxygen Demand, and Dissolved Oxygen in the Catawba River, South Carolina, 1996-97","docAbstract":"Time-series plots of dissolved-oxygen concentrations were determined for various simulated hydrologic and point-source loading conditions along a free-flowing section of the Catawba River from Lake Wylie Dam to the headwaters of Fishing Creek Reservoir in South Carolina. The U.S. Geological Survey one-dimensional dynamic-flow model, BRANCH, was used to simulate hydrodynamic data for the Branched Lagrangian Transport Model. Waterquality data were used to calibrate the Branched Lagrangian Transport Model and included concentrations of nutrients, chlorophyll a, and biochemical oxygen demand in water samples collected during two synoptic sampling surveys at 10 sites along the main stem of the Catawba River and at 3 tributaries; and continuous water temperature and dissolved-oxygen concentrations measured at 5 locations along the main stem of the Catawba River.\r\n\r\n      A sensitivity analysis of the simulated dissolved-oxygen concentrations to model coefficients and data inputs indicated that the simulated dissolved-oxygen concentrations were most sensitive to watertemperature boundary data due to the effect of temperature on reaction kinetics and the solubility of dissolved oxygen. Of the model coefficients, the simulated dissolved-oxygen concentration was most sensitive to the biological oxidation rate of nitrite to nitrate.\r\n\r\n      To demonstrate the utility of the Branched Lagrangian Transport Model for the Catawba River, the model was used to simulate several water-quality scenarios to evaluate the effect on the 24-hour mean dissolved-oxygen concentrations at selected sites for August 24, 1996, as simulated during the model calibration period of August 23 27, 1996. The first scenario included three loading conditions of the major effluent discharges along the main stem of the Catawba River (1) current load (as sampled in August 1996); (2) no load (all point-source loads were removed from the main stem of the Catawba River; loads from the main tributaries were not removed); and (3) fully loaded (in accordance with South Carolina Department of Health and Environmental Control National Discharge Elimination System permits). Results indicate that the 24-hour mean and minimum dissolved-oxygen concentrations for August 24, 1996, changed from the no-load condition within a range of - 0.33 to 0.02 milligram per liter and - 0.48 to 0.00 milligram per liter, respectively. Fully permitted loading conditions changed the 24-hour mean and minimum dissolved-oxygen concentrations from - 0.88 to 0.04 milligram per liter and - 1.04 to 0.00 milligram per liter, respectively. A second scenario included the addition of a point-source discharge of 25 million gallons per day to the August 1996 calibration conditions. The discharge was added at S.C. Highway 5 or at a location near Culp Island (about 4 miles downstream from S.C. Highway 5) and had no significant effect on the daily mean and minimum dissolved-oxygen concentration.\r\n\r\n      A third scenario evaluated the phosphorus loading into Fishing Creek Reservoir; four loading conditions of phosphorus into Catawba River were simulated. The four conditions included fully permitted and actual loading conditions, removal of all point sources from the Catawba River, and removal of all point and nonpoint sources from Sugar Creek. Removing the point-source inputs on the Catawba River and the point and nonpoint sources in Sugar Creek reduced the organic phosphorus and orthophosphate loadings to Fishing Creek Reservoir by 78 and 85 percent, respectively.","language":"ENGLISH","doi":"10.3133/wri034092","usgsCitation":"Feaster, T., Conrads, P., Guimaraes, W.B., Sanders, C.L., and Bales, J.D., 2003, Simulation of Temperature, Nutrients, Biochemical Oxygen Demand, and Dissolved Oxygen in the Catawba River, South Carolina, 1996-97: U.S. Geological Survey Water-Resources Investigations Report 2003-4092, 123 p., https://doi.org/10.3133/wri034092.","productDescription":"123 p.","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":177533,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":4568,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri034092/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"South Carolina","otherGeospatial":"Catabwa River","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"properties\":{},\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-81.7657470703125,35.567980458012094],[-81.8756103515625,35.536696378395035],[-82.0074462890625,35.572448615622804],[-82.0623779296875,35.585851593232356],[-82.16812133789062,35.54060755592023],[-82.22579956054688,35.59255224089235],[-82.24159240722656,35.65729624809628],[-82.20794677734374,35.74818410650582],[-82.08915710449219,35.801664652427895],[-82.02598571777344,35.81001773806242],[-81.96418762207031,35.821153818963175],[-81.95594787597656,35.92019610057511],[-81.95182800292969,35.98078444581272],[-81.903076171875,36.053540128339755],[-81.8536376953125,36.05798104702501],[-81.76712036132812,36.055760619006755],[-81.71905517578125,36.04021586880111],[-81.66824340820312,35.98245135784044],[-81.5679931640625,35.9157474194997],[-81.31393432617188,35.95911138558121],[-81.26998901367188,36.03244234269516],[-81.19171142578125,36.0779620797358],[-81.08322143554688,36.06353184297193],[-80.79620361328125,35.89350026142572],[-80.71929931640624,35.69299463209881],[-80.7275390625,35.53110865111194],[-80.69869995117188,35.43381992014202],[-80.70556640625,35.34425514918409],[-80.80718994140625,35.15584570226544],[-80.81268310546874,34.95349314197422],[-80.771484375,34.89494244739732],[-80.71105957031249,34.65467425162703],[-80.68084716796875,34.51787261401661],[-80.52978515625,34.35704160076073],[-80.4583740234375,34.23905366851639],[-80.518798828125,34.03900467904445],[-80.496826171875,33.88865750124075],[-80.60394287109375,33.75060604160645],[-80.71998596191406,33.82992730179868],[-80.74745178222656,34.05209051767928],[-80.83328247070312,34.27083595165],[-80.8971405029297,34.3201881768449],[-80.98915100097656,34.40634314091266],[-81.04133605957031,34.487881874939866],[-81.10588073730469,34.710009159224946],[-81.12167358398438,34.84311278917537],[-81.16905212402344,35.07271701786369],[-81.15669250488281,35.18222692831516],[-81.12373352050781,35.25627309169437],[-81.12648010253906,35.460669951495305],[-81.2384033203125,35.567980458012094],[-81.3922119140625,35.58138418324621],[-81.595458984375,35.59925232772949],[-81.7657470703125,35.567980458012094]]]}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b06e4b07f02db69a186","contributors":{"authors":[{"text":"Feaster, Toby D. 0000-0002-5626-5011 tfeaster@usgs.gov","orcid":"https://orcid.org/0000-0002-5626-5011","contributorId":1109,"corporation":false,"usgs":true,"family":"Feaster","given":"Toby D.","email":"tfeaster@usgs.gov","affiliations":[{"id":559,"text":"South Carolina Water Science Center","active":true,"usgs":true}],"preferred":false,"id":244635,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Conrads, Paul 0000-0003-0408-4208 pconrads@usgs.gov","orcid":"https://orcid.org/0000-0003-0408-4208","contributorId":764,"corporation":false,"usgs":true,"family":"Conrads","given":"Paul","email":"pconrads@usgs.gov","affiliations":[{"id":559,"text":"South Carolina Water Science Center","active":true,"usgs":true},{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":false,"id":244634,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Guimaraes, Wladmir B. wbguimar@usgs.gov","contributorId":3818,"corporation":false,"usgs":true,"family":"Guimaraes","given":"Wladmir","email":"wbguimar@usgs.gov","middleInitial":"B.","affiliations":[{"id":559,"text":"South Carolina Water Science Center","active":true,"usgs":true}],"preferred":true,"id":244636,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sanders, Curtis L. Jr.","contributorId":76391,"corporation":false,"usgs":true,"family":"Sanders","given":"Curtis","suffix":"Jr.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":244637,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bales, Jerad D. 0000-0001-8398-6984 jdbales@usgs.gov","orcid":"https://orcid.org/0000-0001-8398-6984","contributorId":683,"corporation":false,"usgs":true,"family":"Bales","given":"Jerad","email":"jdbales@usgs.gov","middleInitial":"D.","affiliations":[{"id":5058,"text":"Office of the Chief Scientist for Water","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":244633,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":69724,"text":"mf2426 - 2003 - Geologic map of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana","interactions":[],"lastModifiedDate":"2012-02-10T00:11:23","indexId":"mf2426","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2426","title":"Geologic map of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana","docAbstract":"This data set maps and describes the geology of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana. The bedrock geology of the Bonners Ferry quadrangle consists of sedimentary, metamorphic, and granitic rocks ranging in age from Middle Proterozoic to Eocene. Bedrock units include rocks of (1) the Middle Proterozoic Belt Supergroup (2) the Middle Proterozoic Deer Trail Group, (3) the Late Proterozoic Windermere Group, (4) miogeoclinal or shelf facies lower Paleozoic rocks, and (5) Mesozoic and Tertiary granitic rocks. \r\nThe Belt Supergroup, a thick sequence of argillite, siltite, quartzite, and impure carbonate rocks up to 9,000 m thick, occurs in two non-contiguous sequences in the quadrangle: (1) the Clark Fork-Eastport Sequence east of the Purcell trench and (2) the Newport Sequence in the hanging wall of the Newport Fault. Only the two lowest Belt formations of the Newport Sequence are found in the Bonners Ferry quadrangle, but these two units are part of a continuous section, which extends southwestward to the town of Newport. \r\n\r\nBelt Supergroup rocks of the Clark Fork-Eastport Sequence are separated from those of the Newport Sequence by the Newport Fault, Priest River Complex, and Purcell Trench Fault. Some formations of the Belt Supergroup show differences in thickness and (or) lithofacies from one sequence to the other that are greater than those predicted from an empirical depositional model for the distances currently separating the sequences. These anomalous thickness and facies differences suggest that there has been a net contraction along structures separating the sequences despite Eocene extension associated with emplacement of the Priest River Complex. In addition to these two Belt sequences, probable Belt rocks are present in the Priest River Complex as high metamorphic grade crystalline schist and gneiss. \r\n\r\nNorthwest of the Newport Sequence of Belt Supergroup is the Deer Trail Group, a distinct Middle Proterozoic sequence of argillite, siltite, quartzite, and carbonate rocks lithostratigraphically similar to the Belt Supergroup, but separated from all Belt Supergroup rocks by the Jumpoff Joe Fault. Rocks of the Deer Trail Group are pervasively phyllitic and noticeably more deformed than rocks in the Belt Supergroup sequences. Lithostratigraphically the Deer Trail Group is equivalent to part of the upper part of the Belt Supergroup. Differences in lithostratigraphy and thickness between individual Deer Trail and Belt units and between the Deer Trail and Belt sequences as a whole indicate that they were probably much farther apart when they were deposited. \r\n\r\nThe Windermere Group is a lithologically varied sequence of volcanic rocks and coarse-grained, mostly immature, clastic sedimentary rocks up to 8,000 m thick. It is characterized by extreme differences in thickness and lithofacies over short distances caused by syndepositional faulting associated with initial stages of continental rifting in the Late Proterozoic. Strata of the Windermere Group unconformably overlie only the Deer Trail Group, and are nowhere found in depositional contact with Belt Supergroup rocks. \r\n\r\nPaleozoic rocks in the Bonners Ferry quadrangle consist of a thin, fault-bounded remnant preserved within the Clark Fork-Eastport Belt Supergroup Sequence. \r\n\r\nMesozoic granitic rocks underlie at least 50 percent of the Bonners Ferry quadrangle. They fall into two petrogenetic suites, hornblende-biotite plutons and muscovite-biotite (two-mica) plutons, most of which are Cretaceous in age. Both suites are represented in the mid-crustal Priest River Complex and in the higher level plutons that flank the complex; by far the majority of the Priest River Complex are Cretaceous, two-mica bodies. \r\n\r\nTertiary rocks are restricted to a single small stock, numerous hypabyssal dikes that are too small to show at the scale of the map, and to cataclastic rocks related to the Newport Fault. \r\n\r\nQuaternary deposits include unconsolidated to poorl","language":"ENGLISH","doi":"10.3133/mf2426","usgsCitation":"Miller, F.K., and Burmester, R.F., 2003, Geologic map of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana: U.S. Geological Survey Miscellaneous Field Studies Map 2426, 28 p. and 1 sheet, https://doi.org/10.3133/mf2426.","productDescription":"28 p. and 1 sheet","costCenters":[],"links":[{"id":110472,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_62643.htm","linkFileType":{"id":5,"text":"html"},"description":"62643"},{"id":187818,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":6394,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/mf/2003/2426/","linkFileType":{"id":5,"text":"html"}}],"scale":"100000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117,48.5 ], [ -117,49 ], [ -116,49 ], [ -116,48.5 ], [ -117,48.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0be4b07f02db69d78f","contributors":{"authors":[{"text":"Miller, Fred K.","contributorId":89503,"corporation":false,"usgs":true,"family":"Miller","given":"Fred","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":281015,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Burmester, Russell F.","contributorId":6083,"corporation":false,"usgs":true,"family":"Burmester","given":"Russell","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":281014,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":53577,"text":"wri034076 - 2003 - Aquatic assemblages and their relation to temperature variables of least-disturbed streams in the Salmon River basin, central Idaho, 2001","interactions":[],"lastModifiedDate":"2014-05-05T14:51:35","indexId":"wri034076","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-4076","title":"Aquatic assemblages and their relation to temperature variables of least-disturbed streams in the Salmon River basin, central Idaho, 2001","docAbstract":"In the late 1990s, Idaho’s established stream\ntemperature criteria for the protection of coldwater\nbiota and salmonid spawning were considered\ninadequate because the criteria did not agree with\nobserved biological conditions in many instances\nand did not allow for variability in environmental\ncondition or species diversity across a broad area\nsuch as the entire State of Idaho.\nIn 2001, benthic invertebrate and fish assemblages\nin 34 least-disturbed streams in the Salmon\nRiver Basin, central Idaho, were evaluated in relation\nto stream temperature and other environmental\nvariables. The Salmon River Basin retains\nwatersheds that are minimally affected by human\nactivities. These “natural” stream conditions provide\na basis for deriving attainable stream temperatures\nthat can be used to set new, and revise existing,\nwater-quality criteria for stream habitats\naffected by human activities.\nDuring July through September 2001, data\nwere collected to document the thermal regime of\nleast-disturbed streams, characterize the distribution\nof aquatic biota at streams representing a gradient\nof temperature, and describe the relations\nbetween environmental variables and benthic\ninvertebrate and fish assemblages. Nine stream\ntemperature metrics were compared with the U.S.\nEnvironmental Protection Agency’s criterion of\n10\n°\nC (degrees Celsius) for bull trout spawning and\njuvenile rearing. The maximum weekly-maximum\ntemperature at all 33 sites where temperature data\nwere available exceeded this criterion. The maximum\ndaily-maximum temperature (MDMT) at 30\nof the sites exceeded the Idaho Department of\nEnvironmental Quality (IDEQ) criterion of 13.0\n°\nC\nfor the protection of salmonid spawning; and the\nmaximum daily-average temperature at all 33 sites\nexceeded the 9.0\n°\nC criterion for the protection of\nsalmonid spawning. The thermal regime at most\nsites did not exceed the IDEQ criteria for the protection\nof coldwater biota. Nine environmental\nvariables—water-surface gradient, discharge,\nwetted channel width, width:depth ratio, aspect,\ntotal seasonal thermal input, open canopy, riparian\ncanopy density, and elevation were selected for\ncorrelation with the nine stream temperature metrics.\nElevation showed the strongest inverse correlation\nwith the stream temperature metrics.\nTwo hundred and one benthic invertebrate\ntaxa from the 34 sampling sites were identified.\nThe most abundant taxa were <i>Baetis tricaudatus</i>,\nOligochaeta, <i>Tvetenia bavarica</i> gr., Acari,\n<i>Rhithrogena</i>, <i>Cinygmula</i>, <i>Heterlimnius</i>,\n<i>Micropsectra</i>, <i>Eukiefferiella devonica</i> gr.,\n<i>Drunella doddsi</i>, and <i>Cricotopus</i>. Of the 201\nbenthic invertebrate taxa collected during this\nstudy, 57 taxa (present at a minimum of 5 sampling\nsites) were significantly correlated with one\nor more of the stream temperature metrics. Among\nthe invertebrate taxa collected, 32 were identified\nas coldwater taxa. Of the coldwater taxa collected,\n<i>Zapada oregonensis</i> gr. showed the strongest\ninverse correlation with the stream temperature\nmetrics and was collected at sites where maximum\nweekly-maximum temperature (based on date of\nsample and 6 days prior) ranged from 11.3\n° to\n18.5\n°C.\nTen species of fish in the families Salmonidae,\nCottidae, and Cyprinidae were collected.\nTwo species (bull trout and chinook salmon) listed\nas threatened under the U.S. Fish and Wildlife Service\nEndangered Species Act were collected.\nAmong all species, bull trout showed the strongest\ninverse correlation between relative fish abundance\nand stream temperature. Bull trout and juvenile\nbull trout densities were inversely correlated with stream temperature. The probability of occurrence\nof juvenile bull trout was significantly correlated\nwith MDMT on the basis of results from a\nlogistic regression model developed during this\nstudy. However, this model differed from a similar\nmodel developed by the U.S. Forest Service on the\nbasis of regional data collected in the Pacific\nNorthwest. The regression model based on data\ncollected during this study showed higher probabilities\nof occurrence of bull trout at colder stream\ntemperatures (10\n° to 15\n°\nC) and lower probabilities\nof occurrence at warmer stream temperatures (16\n°\nto 21\n°\nC) than did the model based on regional\ndata. The model comparisons suggest that regional\nor local differences need to be considered when\nderiving stream temperature criteria.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri034076","collaboration":"Prepared in cooperation with Idaho Department of Environmental Quality","usgsCitation":"Ott, D.S., and Maret, T.R., 2003, Aquatic assemblages and their relation to temperature variables of least-disturbed streams in the Salmon River basin, central Idaho, 2001: U.S. Geological Survey Water-Resources Investigations Report 2003-4076, Report: v, 45 p.; Data files, https://doi.org/10.3133/wri034076.","productDescription":"Report: v, 45 p.; Data files","numberOfPages":"52","temporalStart":"2001-07-01","temporalEnd":"2001-09-30","costCenters":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":262378,"rank":800,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2003/4076/report.pdf"},{"id":262379,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2003/4076/report-thumb.jpg"},{"id":286901,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/wri/2003/4076/data/"}],"country":"United States","state":"Idaho","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117.0656,43.7998 ], [ -117.0656,46.062 ], [ -112.9153,46.062 ], [ -112.9153,43.7998 ], [ -117.0656,43.7998 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac5e4b07f02db67a0c4","contributors":{"authors":[{"text":"Ott, Douglas S. dott@usgs.gov","contributorId":3552,"corporation":false,"usgs":true,"family":"Ott","given":"Douglas","email":"dott@usgs.gov","middleInitial":"S.","affiliations":[],"preferred":true,"id":247836,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Maret, Terry R. trmaret@usgs.gov","contributorId":953,"corporation":false,"usgs":true,"family":"Maret","given":"Terry","email":"trmaret@usgs.gov","middleInitial":"R.","affiliations":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"preferred":true,"id":247835,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":53057,"text":"wri034205 - 2003 - Estimating the susceptibility of surface water in Texas to nonpoint-source contamination by use of logistic regression modeling","interactions":[],"lastModifiedDate":"2020-02-16T11:28:12","indexId":"wri034205","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-4205","title":"Estimating the susceptibility of surface water in Texas to nonpoint-source contamination by use of logistic regression modeling","docAbstract":"<p><span>In the State of Texas, surface water (streams, canals, and reservoirs) and ground water are used as sources of public water supply. Surface-water sources of public water supply are susceptible to contamination from point and nonpoint sources. To help protect sources of drinking water and to aid water managers in designing protective yet cost-effective and risk-mitigated monitoring strategies, the Texas Commission on Environmental Quality and the U.S. Geological Survey developed procedures to assess the susceptibility of public water-supply source waters in Texas to the occurrence of 227 contaminants. One component of the assessments is the determination of susceptibility of surface-water sources to nonpoint-source contamination. To accomplish this, water-quality data at 323 monitoring sites were matched with geographic information system-derived watershed- characteristic data for the watersheds upstream from the sites. Logistic regression models then were developed to estimate the probability that a particular contaminant will exceed a threshold concentration specified by the Texas Commission on Environmental Quality. Logistic regression models were developed for 63 of the 227 contaminants. Of the remaining contaminants, 106 were not modeled because monitoring data were available at less than 10 percent of the monitoring sites; 29 were not modeled because there were less than 15 percent detections of the contaminant in the monitoring data; 27 were not modeled because of the lack of any monitoring data; and 2 were not modeled because threshold values were not specified.</span></p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri034205","usgsCitation":"Battaglin, W.A., Ulery, R.L., Winterstein, T., and Welborn, T., 2003, Estimating the susceptibility of surface water in Texas to nonpoint-source contamination by use of logistic regression modeling: U.S. Geological Survey Water-Resources Investigations Report 2003-4205, iv, 24 p., https://doi.org/10.3133/wri034205.","productDescription":"iv, 24 p.","numberOfPages":"28","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water 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 \"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc680","contributors":{"authors":[{"text":"Battaglin, William A. 0000-0001-7287-7096 wbattagl@usgs.gov","orcid":"https://orcid.org/0000-0001-7287-7096","contributorId":1527,"corporation":false,"usgs":true,"family":"Battaglin","given":"William","email":"wbattagl@usgs.gov","middleInitial":"A.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":246441,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ulery, Randy L. rlulery@usgs.gov","contributorId":4679,"corporation":false,"usgs":true,"family":"Ulery","given":"Randy","email":"rlulery@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":246442,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Winterstein, Thomas","contributorId":34195,"corporation":false,"usgs":true,"family":"Winterstein","given":"Thomas","affiliations":[],"preferred":false,"id":246443,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Welborn, Toby","contributorId":61501,"corporation":false,"usgs":true,"family":"Welborn","given":"Toby","affiliations":[],"preferred":false,"id":246444,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":53572,"text":"wri034222 - 2003 - Hydrogeology and Simulated Effects of Ground-Water Withdrawals in the Big River Area, Rhode Island","interactions":[],"lastModifiedDate":"2012-02-02T00:11:40","indexId":"wri034222","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-4222","title":"Hydrogeology and Simulated Effects of Ground-Water Withdrawals in the Big River Area, Rhode Island","docAbstract":"The Rhode Island Water Resources Board is considering expanded use of ground-water resources from the Big River area because increasing water demands in Rhode Island may exceed the capacity of current sources. This report describes the hydrology of the area and numerical simulation models that were used to examine effects of ground-water withdrawals during 1964?98 and to describe potential effects of different withdrawal scenarios in the area. \r\n\r\n\r\nThe Big River study area covers 35.7 square miles (mi2) and includes three primary surface-water drainage basins?the Mishnock River Basin above Route 3, the Big River Basin, and the Carr River Basin, which is a tributary to the Big River. The principal aquifer (referred to as the surficial aquifer) in the study area, which is defined as the area of stratified deposits with a saturated thickness estimated to be 10 feet or greater, covers an area of 10.9 mi2. On average, an estimated 75 cubic feet per second (ft3/s) of water flows through the study area and about 70 ft3/s flows out of the area as streamflow in either the Big River (about 63 ft3/s) or the Mishnock River (about 7 ft3/s). Numerical simulation models are used to describe the hydrology of the area under simulated predevelopment conditions, conditions during 1964?98, and conditions that might occur in 14 hypothetical ground-water withdrawal scenarios with total ground-water withdrawal rates in the area that range from 2 to 11 million gallons per day. Streamflow depletion caused by these hypothetical ground-water withdrawals is calculated by comparison with simulated flows for the predevelopment conditions, which are identical to simulated conditions during the 1964?98 period but without withdrawals at public-supply wells and wastewater recharge. Interpretation of numerical simulation results indicates that the three basins in the study area are in fact a single ground-water resource. For example, the Carr River Basin above Capwell Mill Pond is naturally losing water to the Mishnock River Basin. Withdrawals in the Carr River Basin can deplete streamflows in the Mishnock River Basin. Withdrawals in the Mishnock River Basin deplete streamflows in the Big River Basin and can intercept water flowing to the Flat River Reservoir North of Hill Farm Road in Coventry, Rhode Island. Withdrawals in the Big River Basin can deplete streamflows in the western unnamed tributary to the Carr River, but do not deplete streamflows in the Mishnock River Basin or in the Carr River upstream of Capwell Mill Pond. Because withdrawals deplete streamflows in the study area, the total amount of ground water that may be withdrawn for public supply depends on the minimum allowable streamflow criterion that is applied for each basin.","language":"ENGLISH","doi":"10.3133/wri034222","usgsCitation":"Granato, G., Barlow, P.M., and Dickerman, D.C., 2003, Hydrogeology and Simulated Effects of Ground-Water Withdrawals in the Big River Area, Rhode Island: U.S. Geological Survey Water-Resources Investigations Report 2003-4222, 76 p., https://doi.org/10.3133/wri034222.","productDescription":"76 p.","costCenters":[],"links":[{"id":4796,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri034222/","linkFileType":{"id":5,"text":"html"}},{"id":177384,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a87c8","contributors":{"authors":[{"text":"Granato, Gregory E. 0000-0002-2561-9913 ggranato@usgs.gov","orcid":"https://orcid.org/0000-0002-2561-9913","contributorId":1692,"corporation":false,"usgs":true,"family":"Granato","given":"Gregory E.","email":"ggranato@usgs.gov","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":false,"id":247827,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Barlow, Paul M. 0000-0003-4247-6456 pbarlow@usgs.gov","orcid":"https://orcid.org/0000-0003-4247-6456","contributorId":1200,"corporation":false,"usgs":true,"family":"Barlow","given":"Paul","email":"pbarlow@usgs.gov","middleInitial":"M.","affiliations":[{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":true,"id":247826,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dickerman, David C.","contributorId":41047,"corporation":false,"usgs":true,"family":"Dickerman","given":"David","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":247828,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":53725,"text":"ofr03464 - 2003 - Preliminary Mineralogic and Stable Isotope Studies of Altered Summit and Flank Rocks and Osceola Mudflow Deposits on Mount Rainier, Washington","interactions":[],"lastModifiedDate":"2012-02-02T00:11:25","indexId":"ofr03464","displayToPublicDate":"2004-02-01T00:00:00","publicationYear":"2003","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":"2003-464","title":"Preliminary Mineralogic and Stable Isotope Studies of Altered Summit and Flank Rocks and Osceola Mudflow Deposits on Mount Rainier, Washington","docAbstract":"About 5600 years ago part of Mount Rainier?s edifice collapsed with the resultant Osceola Mudflow traveling more than 120 km and covering an area of at least 505 km2. Mineralogic and stable isotope studies were conducted on altered rocks from outcrops near the summit and east flank of the volcano and samples of clasts and matrix from the Osceola Mudflow. Results of these analyses are used to constrain processes responsible for pre-collapse alteration and provide insight into the role of alteration in edifice instability prior to the Osceola collapse event.  Jarosite, pyrite, alunite, and kaolinite occur in hydrothermally altered rock exposed in summit scarps formed by edifice collapse events and in altered rock within the east-west structural zone (EWSZ) of the volcano?s east flank. Deposits of the Osceola Mudflow contain clasts of variably altered and unaltered andesite within a clay-rich matrix. Minerals detected in samples from the edifice are also present in many of the clasts. The matrix includes abundant smectite, kaolinite and variably abundant jarosite.  Hydrothermal fluid compositions calculated from hydrogen and oxygen isotope data of alunite, and smectite on Mount Rainier reflect mixing of magmatic and meteoric waters. The range in the dD values of modern meteoric water on the volcano (-85 to 155?) reflect the influence of elevation on the dD of precipitation. The d34S and d18OSO4 values of alunite, gypsum and jarosite are distinct but together range from 1.7 to 17.6? and -12.3 to 15.0?, respectively; both parameters increase from jarosite to gypsum to alunite. The variations in sulfur isotope composition are attributed to the varying contributions of disproportionation of magmatic SO2, the supergene oxidation of hydrothermal pyrite and possible oxidation of H2S to the parent aqueous sulfate. The 18OSO4 values of jarosite are the lowest recorded for the mineral, consistent with a supergene origin.  The mineralogy and isotope composition of alteration minerals define two and possibly three environments of alteration. At deeper levels magmatic vapor, H2S, SO2 and other gases from venting magmas migrated upward and condensed into the meteoric water. Disproportionation of SO2 into aqueous sulfate and H2S resulted in acid-sulfate (alunite + kaolinite + pyrite) and related argillic and propylitic alteration envelopes in a magmatic hydrothermal environment. At shallow levels H2S reacted with andesite to form pyrite that is associated with smectite along fractures on both the flanks and upper edifice. It is not clear to what extent H2S was oxidized by atmospheric O2 to form aqueous sulfate in a steam-heated environment. Near the ground surface, pyrite is oxidized by atmospheric oxygen resulting in soluble iron-and aluminum-hydroxysulfates. These supergene hydroxysulfates, which may also form around fumaroles from the oxidation of H2S, are subject to continuous solution and redeposition.","language":"ENGLISH","doi":"10.3133/ofr03464","usgsCitation":"Rye, R.O., Breit, G.N., and Zimbelman, D.R., 2003, Preliminary Mineralogic and Stable Isotope Studies of Altered Summit and Flank Rocks and Osceola Mudflow Deposits on Mount Rainier, Washington (Version 1.0): U.S. Geological Survey Open-File Report 2003-464, 26 p., https://doi.org/10.3133/ofr03464.","productDescription":"26 p.","costCenters":[],"links":[{"id":179352,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":5090,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/ofr-03-464/","linkFileType":{"id":5,"text":"html"}}],"edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e564","contributors":{"authors":[{"text":"Rye, Robert O. rrye@usgs.gov","contributorId":1486,"corporation":false,"usgs":true,"family":"Rye","given":"Robert","email":"rrye@usgs.gov","middleInitial":"O.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":248236,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Breit, George N. 0000-0003-2188-6798 gbreit@usgs.gov","orcid":"https://orcid.org/0000-0003-2188-6798","contributorId":1480,"corporation":false,"usgs":true,"family":"Breit","given":"George","email":"gbreit@usgs.gov","middleInitial":"N.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":248235,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zimbelman, David R.","contributorId":58253,"corporation":false,"usgs":true,"family":"Zimbelman","given":"David","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":248237,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70006394,"text":"70006394 - 2003 - Modeling uncertainty: Quicksand for water temperature modeling","interactions":[],"lastModifiedDate":"2022-06-08T13:31:22.002511","indexId":"70006394","displayToPublicDate":"2004-01-01T14:25:00","publicationYear":"2003","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1925,"text":"Hydrological Science and Technology","active":true,"publicationSubtype":{"id":10}},"title":"Modeling uncertainty: Quicksand for water temperature modeling","docAbstract":"<p>Uncertainty has been a hot topic relative to science generally, and modeling specifically. Modeling uncertainty comes in various forms: measured data, limited model domain, model parameter estimation, model structure, sensitivity to inputs, modelers themselves, and users of the results. This paper will address important components of uncertainty in modeling water temperatures, and discuss several areas that need attention as the modeling community grapples with how to incorporate uncertainty into modeling without getting stuck in the quicksand that prevents constructive contributions to policy making. The material, and in particular the reference, are meant to supplement the presentation given at this conference.</p>","language":"English","publisher":"American Institute of Hydrology","publisherLocation":"St. Paul, MN","usgsCitation":"Bartholow, J.M., 2003, Modeling uncertainty: Quicksand for water temperature modeling: Hydrological Science and Technology, v. 19, no. 1-4, p. 221-232.","productDescription":"12 p.","startPage":"221","endPage":"232","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":289251,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":401916,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.aihydrology.org/publications/"}],"volume":"19","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53b286f7e4b07b8813a554e2","contributors":{"authors":[{"text":"Bartholow, John M.","contributorId":77598,"corporation":false,"usgs":true,"family":"Bartholow","given":"John","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":354435,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":53654,"text":"ofr03435 - 2003 - Scrubbing masks magmatic degassing during repose at Cascade-Range and Aleutian-Arc volcanoes","interactions":[],"lastModifiedDate":"2014-03-13T11:05:15","indexId":"ofr03435","displayToPublicDate":"2004-01-01T07:00:00","publicationYear":"2003","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":"2003-435","title":"Scrubbing masks magmatic degassing during repose at Cascade-Range and Aleutian-Arc volcanoes","docAbstract":"Between 1992 and 1998, we sampled gas discharges from ≤173°C fumaroles and springs at 12 quiescent but potentially restless volcanoes in the Cascade Range and Aleutian Arc (CRAA) including Mount Shasta, Mount Hood, Mount St. Helens, Mount Rainier, Mount Baker, Augustine Volcano, Mount Griggs, Trident, Mount Mageik, Aniakchak Crater, Akutan, and Makushin. For each site, we collected and analyzed samples to characterize the chemical (H2O, CO2, H2S, N2, CH4, H2, HCl, HF, NH3, Ar, O2, He) and isotopic (δ13C of CO2, 3He/4He, 40Ar/36Ar, δ34S, δ13C of CH4, δ15N, and δD and δ18O of water) compositions of the gas discharges, and to create baseline data for comparison during future unrest. The chemical and isotopic data show that these gases contain a magmatic component that is heavily modified from scrubbing by deep hydrothermal (150° - 350°C) water (primary scrubbing) and shallow meteoric water (secondary scrubbing). The impact of scrubbing is most pronounced in gas discharges from bubbling springs; gases from boiling-point fumaroles and superheated vents show progressively less impact from scrubbing. The most effective strategies for detecting gas precursors to future CRAA eruptions are to measure periodically the emission rates of CO2 and SO2, which have low and high respective solubilities in water, and to monitor continuously CO2 concentrations in soils around volcanic vents. Timely resampling of fumaroles can augment the geochemical surveillance program by watching for chemical changes associated with drying of fumarolic pathways (all CRAA sites), increases in gas geothermometry temperatures (Mount Mageik, Trident, Mount Baker, Mount Shasta), changes in δ13C of CO2 affiliated with magma movement (all CRAA site), and increases in 3He/4He coupled with intrusion of new magma (Mount Rainier, Augustine Volcano, Makushin, Mount Shasta). Repose magmatic degassing may discharge substantial amounts of S and Cl into the edifices of Mount Baker and several other CRAA volcanoes that is trapped by primary and secondary scrubbing. The consequent acidic fluids produce ongoing alteration in the 0.2- to 3-km-deep hydrothermal systems and in fields of boiling-point fumaroles near the surface. Such alteration may influence edifice stability and contribute to the formation of more-hazardous cohesive debris flows. In particular, we recommend further investigation of the volume, extent, and hazards of hydrothermal alteration at Mount Baker. Other potential hazards associated with the CRAA volcano hydrothermal systems include hydrothermal eruptions and, for deeper systems intruded by magma, deep-seated edifice collapse.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr03435","usgsCitation":"Symonds, R.B., Janik, C.J., Evans, W.C., Ritchie, B., Counce, D., Poreda, R., and Iven, M., 2003, Scrubbing masks magmatic degassing during repose at Cascade-Range and Aleutian-Arc volcanoes: U.S. Geological Survey Open-File Report 2003-435, 22 p., https://doi.org/10.3133/ofr03435.","productDescription":"22 p.","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":4952,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/0435/","linkFileType":{"id":5,"text":"html"}},{"id":177575,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr03435.jpg"},{"id":283927,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2003/0435/pdf/of03-435.pdf"}],"country":"Canada;United States","state":"Alaska;British Columbia;California;Oregon;Washington","otherGeospatial":"Cascade-range Volcanoes;Aleutian-arc Volcanoes","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.45,32.53 ], [ 172.45,60.0 ], [ -114.05,60.0 ], [ -114.05,32.53 ], [ 172.45,32.53 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc6b1","contributors":{"authors":[{"text":"Symonds, Robert B.","contributorId":70432,"corporation":false,"usgs":true,"family":"Symonds","given":"Robert","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":248019,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Janik, C. J.","contributorId":10795,"corporation":false,"usgs":true,"family":"Janik","given":"C.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":248016,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Evans, William C.","contributorId":104903,"corporation":false,"usgs":true,"family":"Evans","given":"William","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":248022,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ritchie, B.E.","contributorId":83153,"corporation":false,"usgs":true,"family":"Ritchie","given":"B.E.","email":"","affiliations":[],"preferred":false,"id":248020,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Counce, Dale","contributorId":25966,"corporation":false,"usgs":true,"family":"Counce","given":"Dale","email":"","affiliations":[],"preferred":false,"id":248017,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Poreda, R.J.","contributorId":97138,"corporation":false,"usgs":true,"family":"Poreda","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":248021,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Iven, Mark","contributorId":39446,"corporation":false,"usgs":true,"family":"Iven","given":"Mark","email":"","affiliations":[],"preferred":false,"id":248018,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":52652,"text":"wri034058 - 2003 - Estimates of residence time and related variations in quality of ground water beneath Submarine Base Bangor and vicinity, Kitsap County, Washington","interactions":[],"lastModifiedDate":"2012-02-02T00:11:25","indexId":"wri034058","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2003","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":"2003-4058","title":"Estimates of residence time and related variations in quality of ground water beneath Submarine Base Bangor and vicinity, Kitsap County, Washington","docAbstract":"Estimates of residence time of ground water beneath Submarine Base Bangor and vicinity ranged from less than 50 to 4,550 years before present, based on analysis of the environmental tracers tritium, chlorofluorocarbons (CFCs), and carbon-14 (14C), in 33 ground-water samples collected from wells tapping the ground-water system. The concentrations of multiple environmental tracers tritium, CFCs, and 14C were used to classify ground water as modern (recharged after 1953), pre-modern (recharged prior to 1953), or indeterminate. Estimates of the residence time of pre-modern ground water were based on evaluation of 14C of dissolved inorganic carbon present in ground water using geochemical mass-transfer modeling to account for the interactions of the carbon in ground water with carbon of the aquifer sediments.\r\n\r\nGround-water samples were obtained from two extensive aquifers and from permeable interbeds within the thick confining unit separating the sampled aquifers. Estimates of ground-water residence time for all ground-water samples from the shallow aquifer were less than 45 years and were classified as modern. Estimates of the residence time of ground water in the permeable interbeds within the confining unit ranged from modern to 4,200 years and varied spatially. Near the recharge area, residence times in the permeable interbeds typically were less than 800 years, whereas near the discharge area residence times were in excess of several thousand years. In the deeper aquifers, estimates of ground-water residence times typically were several thousand years but ranged from modern to 4,550 years. These estimates of ground-water residence time based on 14C were often larger than estimates of ground-water residence time developed by particle-tracking analysis using a ground-water flow model. There were large uncertainties?on the order of 1,000-2,000 years?in the estimates based on 14C. Modern ground-water tracers found in some samples from large-capacity production wells screened in the deeper aquifer may be the result of preferential ground-water pathways or induced downward flow caused by pumping stress.\r\n\r\nSpatial variations in water quality were used to develop a conceptual model of chemical evolution of ground water. Stable isotope ratios of deuterium and oxygen-18 in the 33 ground-water samples were similar, indicating similar climatic conditions and source of precipitation recharge for all of the sampled ground water. Oxidation of organic matter and mineral dissolution increased the concentrations of dissolved inorganic carbon and common ions in downgradient ground waters. However, the largest concentrations were not found near areas of ground-water discharge, but at intermediate locations where organic carbon concentrations were greatest. Dissolved methane, derived from microbial methanogenesis, was present in some ground waters. Methanogenesis resulted in substantial alteration of the carbon isotopic composition of ground water.\r\n\r\nThe NETPATH geochemical model code was used to model mass-transfers of carbon affecting the 14C estimate of ground-water residence time. Carbon sources in ground water include dispersed particulate organic matter present in the confining unit separating the two aquifers and methane present in some ground water. Carbonate minerals were not observed in the lithologic material of the ground-water system but may be present, because they have been found in the bedrock of stream drainages that contribute sediment to the study area.","language":"ENGLISH","doi":"10.3133/wri034058","usgsCitation":"Cox, S., 2003, Estimates of residence time and related variations in quality of ground water beneath Submarine Base Bangor and vicinity, Kitsap County, Washington: U.S. Geological Survey Water-Resources Investigations Report 2003-4058, 62 p., https://doi.org/10.3133/wri034058.","productDescription":"62 p.","costCenters":[],"links":[{"id":5106,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri034058/","linkFileType":{"id":5,"text":"html"}},{"id":178652,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a839d","contributors":{"authors":[{"text":"Cox, S.E.","contributorId":66663,"corporation":false,"usgs":true,"family":"Cox","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":245705,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":50888,"text":"wri034091 - 2003 - Diazinon and chlorpyrifos loads in precipitation and urban and agricultural storm runoff during January and February 2001 in the San Joaquin River basin, California","interactions":[],"lastModifiedDate":"2012-02-02T00:11:13","indexId":"wri034091","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2003","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":"2003-4091","title":"Diazinon and chlorpyrifos loads in precipitation and urban and agricultural storm runoff during January and February 2001 in the San Joaquin River basin, California","docAbstract":"The application of diazinon and chlorpyrifos on dormant orchards in 2001 in the San Joaquin River Basin was 24 percent less and 3.2 times more than applications in 2000, respectively. A total of 16 sites were sampled during January and February 2001 storm events: 7 river sites, 8 precipitation sites, and 1 urban storm drain. The seven river sites were sampled weekly during nonstorm periods and more frequently during storm runoff from a total of four storms. The monitoring of storm runoff at a city storm drain in Modesto, California, occurred simultaneously with the collection of precipitation samples from eight sites during a January 2001 storm event. The highest concentrations of diazinon occurred during the storm periods for all 16 sites, and the highest concentrations of chlorpyrifos occurred during weekly nonstorm sampling for the river sites and during the January storm period for the urban storm drain and precipitation sites. A total of 60 samples (41 from river sites, 10 from precipitation sites, and 9 from the storm drain site) had diazinon concentrations greater than 0.08 ?g/L, the concentration being considered by the California Department of Fish and Game as its criterion maximum concentration for the protection of aquatic habitats. A total of 18 samples (2 from river sites, 9 from precipitation sites, and 7 from the storm drain site) exceeded the equivalent California Department of Fish and Game guideline of 0.02 ?g/L for chlorpyrifos. The total diazinon load in the San Joaquin River near Vernalis during January and February 2001 was 23.8 pounds active ingredient; of this amount, 16.9 pounds active ingredient were transported by four storms, 1.06 pounds active ingredient were transported by nonstorm events, and 5.82 pounds active ingredient were considered to be baseline loads. The total chlorpyrifos load in the San Joaquin River near Vernalis during January and February 2001 was 2.17 pounds active ingredient; of this amount, 0.702 pound active ingredient was transported during the four storms, and 1.47 pounds active ingredient were considered as baseline load. The total January and February diazinon load in the San Joaquin River near Vernalis was 0.27 percent of dormant application; the total January and February chlorpyrifos load was 0.02 percent of dormant application. The precipitation samples collected during the January 2001 storm event were analyzed for pesticides to evaluate their potential contribution to pesticide loads in the study area. When the average concentrations of diazinon and chlorpyrifos in the precipitation samples were compared with concentrations in urban storm runoff samples, 68 percent of the diazinon concentration in the runoff could be accounted for in the precipitation. Chlorpyrifos, however, had average precipitation concentrations that were 2.5 times higher than what was detected in the runoff. Although no firm conclusions can be made from one storm event, preliminary results indicate that pesticides in precipitation can significantly contribute to pesticide loads in storm runoff.","language":"ENGLISH","doi":"10.3133/wri034091","usgsCitation":"Zamora, C., Kratzer, C.R., Majewski, M.S., and Knifong, D.L., 2003, Diazinon and chlorpyrifos loads in precipitation and urban and agricultural storm runoff during January and February 2001 in the San Joaquin River basin, California: U.S. Geological Survey Water-Resources Investigations Report 2003-4091, 56 p., https://doi.org/10.3133/wri034091.","productDescription":"56 p.","costCenters":[],"links":[{"id":4653,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri034091","linkFileType":{"id":5,"text":"html"}},{"id":175584,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9be4b07f02db65db5b","contributors":{"authors":[{"text":"Zamora, Celia 0000-0003-1456-4360 czamora@usgs.gov","orcid":"https://orcid.org/0000-0003-1456-4360","contributorId":1514,"corporation":false,"usgs":true,"family":"Zamora","given":"Celia","email":"czamora@usgs.gov","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true}],"preferred":true,"id":242556,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kratzer, Charles R.","contributorId":30619,"corporation":false,"usgs":true,"family":"Kratzer","given":"Charles","email":"","middleInitial":"R.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":242558,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Majewski, Michael S. majewski@usgs.gov","contributorId":440,"corporation":false,"usgs":true,"family":"Majewski","given":"Michael","email":"majewski@usgs.gov","middleInitial":"S.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":242555,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Knifong, Donna L. dknifong@usgs.gov","contributorId":1517,"corporation":false,"usgs":true,"family":"Knifong","given":"Donna","email":"dknifong@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":242557,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":50862,"text":"wri034067 - 2003 - Comparison of two methods for delineating land use near monitoring wells used for assessing quality of shallow ground water","interactions":[],"lastModifiedDate":"2016-04-08T14:04:22","indexId":"wri034067","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2003","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":"2003-4067","title":"Comparison of two methods for delineating land use near monitoring wells used for assessing quality of shallow ground water","docAbstract":"<p>Two methods were compared for delineating land use near shallow monitoring wells. These wells were used to assess the effects of agricultural cropland on the quality of recently recharged ground water in two sand and gravel aquifers located near land surface. The two methods for delineating land use near wells were (1) the sector method, which used potentiometric-surface maps to estimate average flow direction and a ground-water-flow model to estimate maximum length of contributing area to the monitoring well within an upgradient sector; and (2) the circle method, which used a 500- meter radius circle around the well based on a national empirical analysis. Land uses were compiled for 29 wells in each of two surficial aquifers in the Red River of the North Basin within the area defined by each method. Land use near each well was interpreted from orthorectified photographs and site inspection for both delineation methods. Land use near individual wells characterized by each method varied greatly, which can affect the results of statistical correlations between land use and water quality. Land use determined by the circle method related more closely to the land use for each entire study area. Land use determined by the sector method (within 200 meters from the wells) compared more favorably to ground-water quality based on nitrate concentrations. The maximum length of contributing areas to wells estimated in this study may be of value for other studies of unconsolidated sand and gravel aquifers with similar hydrogeological characteristics of permeability, water-table slopes, recharge, and depth to water. The additional effort required for estimating the model delineation of land use and land cover for the sector method must be weighed against the improved confidence in statistical correlation between land use and the quality of shallow ground water. Improved scientific confidence and understanding of relations between land use and quality of ground water may encourage more effective implementation of land and water management for protecting water quality</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri034067","collaboration":"Contribution from the National Water-Quality Assessment Program","usgsCitation":"Lorenz, D., Goldstein, R.M., Cowdery, T., and Stoner, J., 2003, Comparison of two methods for delineating land use near monitoring wells used for assessing quality of shallow ground water: U.S. Geological Survey Water-Resources Investigations Report 2003-4067, vi, 13 p., https://doi.org/10.3133/wri034067.","productDescription":"vi, 13 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water Science 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L.","contributorId":10776,"corporation":false,"usgs":true,"family":"Lorenz","given":"D. L.","affiliations":[],"preferred":false,"id":242478,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Goldstein, R. M.","contributorId":98305,"corporation":false,"usgs":true,"family":"Goldstein","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":242481,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cowdery, T.K.","contributorId":92658,"corporation":false,"usgs":true,"family":"Cowdery","given":"T.K.","affiliations":[],"preferred":false,"id":242480,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stoner, J.D.","contributorId":58261,"corporation":false,"usgs":true,"family":"Stoner","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":242479,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":53649,"text":"ofr03112 - 2003 - Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska","interactions":[],"lastModifiedDate":"2022-10-14T19:41:47.871273","indexId":"ofr03112","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2003","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":"2003-112","title":"Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska","docAbstract":"<p>Great Sitkin Volcano is a composite andesitic stratovolcano on Great Sitkin Island (51°05’ N latitude, 176°25’ W longitude), a small (14 x 16 km), circular volcanic island in the western Aleutian Islands of Alaska. Great Sitkin Island is located about 35 kilometers northeast of the community of Adak on Adak Island and 130 kilometers west of the community of Atka on Atka Island. Great Sitkin Volcano is an active volcano and has erupted at least eight times in the past 250 years (Miller and others, 1998). The most recent eruption in 1974 caused minor ash fall on the flanks of the volcano and resulted in the emplacement of a lava dome in the summit crater.</p>\n<br/>\n<p>The summit of the composite cone of Great Sitkin Volcano is 1,740 meters above sea level. The active crater is somewhat lower than the summit, and the highest point along its rim is about 1,460 meters above sea level. The crater is about 1,000 meters in diameter and is almost entirely filled by a lava dome emplaced in 1974. An area of active fumaroles, hot springs, and bubbling hot mud is present on the south flank of the volcano at the head of Big Fox Creek (see the map), and smaller ephemeral fumaroles and steam vents are present in the crater and around the crater rim. The flanking slopes of the volcano are gradual to steep and consist of variously weathered and vegetated blocky lava flows that formed during Pleistocene and Holocene eruptions. The modern edifice occupies a caldera structure that truncates an older sequence of lava flows and minor pyroclastic rocks on the east side of the volcano. The eastern sector of the volcano includes the remains of an ancestral volcano that was partially destroyed by a northwest-directed flank collapse.</p>\n<br/>\n<p>In winter, Great Sitkin Volcano is typically completely snow covered. Should explosive pyroclastic eruptions occur at this time, the snow would be a source of water for volcanic mudflows or lahars. In summer, much of the snowpack melts, leaving only a patchy distribution of snow on the volcano. Glacier ice is no longer present on the volcano or on other parts of Great Sitkin Island as previously reported by Simons and Mathewson (1955).</p>\n<br/>\n<p>Great Sitkin Island is presently uninhabited and is part of the Alaska Maritime National Wildlife Refuge, managed by the U.S. Fish and Wildlife Service. </p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Anchorage, AK","doi":"10.3133/ofr03112","usgsCitation":"Waythomas, C.F., Miller, T.P., and Nye, C.J., 2003, Preliminary volcano-hazard assessment for Great Sitkin Volcano, Alaska: U.S. Geological Survey Open-File Report 2003-112, Report: iv, 25 p.; 1 Plate: 29.0 x 22.0 inches, https://doi.org/10.3133/ofr03112.","productDescription":"Report: iv, 25 p.; 1 Plate: 29.0 x 22.0 inches","numberOfPages":"32","additionalOnlineFiles":"Y","costCenters":[{"id":121,"text":"Alaska Volcano Observatory","active":false,"usgs":true},{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":178212,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":408346,"rank":5,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_62429.htm","linkFileType":{"id":5,"text":"html"}},{"id":283925,"rank":0,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/2003/0112/pdf/of03-112plate.pdf","text":"Plate","linkFileType":{"id":1,"text":"pdf"}},{"id":4947,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2003/0112/","linkFileType":{"id":5,"text":"html"}},{"id":283924,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2003/0112/pdf/of03-112.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Great Sitkin Volcano","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -176.26190185546875,\n              51.964577109947506\n            ],\n            [\n              -175.97076416015622,\n              51.964577109947506\n            ],\n            [\n              -175.97076416015622,\n              52.12168505384983\n            ],\n            [\n              -176.26190185546875,\n              52.12168505384983\n            ],\n            [\n              -176.26190185546875,\n              51.964577109947506\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49d5e4b07f02db5dd976","contributors":{"authors":[{"text":"Waythomas, Christopher F. 0000-0002-3898-272X cwaythomas@usgs.gov","orcid":"https://orcid.org/0000-0002-3898-272X","contributorId":640,"corporation":false,"usgs":true,"family":"Waythomas","given":"Christopher","email":"cwaythomas@usgs.gov","middleInitial":"F.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":511522,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, Thomas P. tmiller@usgs.gov","contributorId":4183,"corporation":false,"usgs":true,"family":"Miller","given":"Thomas","email":"tmiller@usgs.gov","middleInitial":"P.","affiliations":[{"id":121,"text":"Alaska Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":511523,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nye, Christopher J.","contributorId":55418,"corporation":false,"usgs":true,"family":"Nye","given":"Christopher","email":"","middleInitial":"J.","affiliations":[{"id":121,"text":"Alaska Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":511524,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":53557,"text":"wri034193 - 2003 - Simulation of streamflow and water quality in the Christina River subbasin and overview of simulations in other subbasins of the Christina River Basin, Pennsylvania, Maryland, and Delaware, 1994-98","interactions":[],"lastModifiedDate":"2018-02-26T15:28:58","indexId":"wri034193","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2003","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":"2003-4193","title":"Simulation of streamflow and water quality in the Christina River subbasin and overview of simulations in other subbasins of the Christina River Basin, Pennsylvania, Maryland, and Delaware, 1994-98","docAbstract":"<p>The Christina River Basin drains 565 square miles (mi<sup>2</sup>) in Pennsylvania and Delaware and includes the major subbasins of Brandywine Creek, Red Clay Creek, White Clay Creek, and Christina River. The Christina River subbasin (exclusive of the Brandywine, Red Clay, and White Clay Creek subbasins) drains an area of 76 mi<sup>2</sup>. Streams in the Christina River Basin are used for recreation, drinking water supply, and support of aquatic life. Water quality in some parts of the Christina River Basin is impaired and does not support designated uses of the stream. A multi-agency water-quality management strategy included a modeling component to evaluate the effects of point- and nonpoint-source contributions of nutrients and suspended sediment on stream water quality. To assist in nonpoint-source evaluation, four independent models, one for each of the four main subbasins of the Christina River Basin, were developed and calibrated using the model code Hydrological Simulation Program–Fortran (HSPF). Water-quality data for model calibration were collected in each of the four main subbasins and in small subbasins predominantly covered by one land use following a nonpoint- source monitoring plan. Under this plan, stormflow and base-flow samples were collected during 1998 at two sites in the Christina River subbasin and nine sites elsewhere in the Christina River Basin.</p><p>The HSPF model for the Christina River subbasin simulates streamflow, suspended sediment, and the nutrients, nitrogen and phosphorus. In addition, the model simulates water temperature, dissolved oxygen, biochemical oxygen demand, and plankton as secondary objectives needed to support the sediment and nutrient simulations. For the model, the basin was subdivided into nine reaches draining areas that ranged from 3.8 to 21.9 mi<sup>2</sup>. Ten different pervious land uses and two impervious land uses were selected for simulation. Land-use areas were determined from 1995 land-use data. The predominant land uses in the Christina River subbasin are residential, urban, forested, agricultural, and open.</p><p>The hydrologic component of the model was run at an hourly time step and calibrated using streamflow data from two U.S. Geological Survey (USGS) streamflow-measurement stations for the period of October 1, 1994, through October 29, 1998. Daily precipitation data from one National Oceanic and Atmospheric Administration (NOAA) meteorologic station and hourly data from one NOAA meteorologic station were used for model input. The difference between observed and simulated streamflow volume ranged from -2.3 to 5.3 percent for a 10-month portion of the calibration period at the two calibration sites. Annual differences between observed and simulated streamflow generally were greater than the overall error for the 4-year period. For example, at Christina River at Coochs Bridge, near the bottom of the free-flowing part of the subbasin (drainage area of 21 mi<sup>2</sup>), annual differences between observed and simulated streamflow ranged from -6.9 to 6.5 percent and the overall error for the 4-year period was -1.1 percent. Calibration errors for 36 storm periods at the three calibration sites for total volume, low-flow recession rate, 50-percent lowest flows, 10-percent highest flows, and storm peaks were within the recommended criteria of 20 percent or less. Much of the error in simulating storm events on an hourly time step can be attributed to uncertainty in the rainfall data.</p><p>The water-quality component of the model was calibrated using nonpoint-source monitoring data collected at two USGS streamflow-measurement stations and other water-quality monitoring data. The period of record for water-quality monitoring was variable at the stations, with a start date ranging from October 1994 to January 1998 and an end date of October 1998. Because of availability, monitoring data for suspended-solids concentrations were used as surrogates for suspended-sediment concentrations, although suspended-solids data may underestimate suspended sediment and affect apparent accuracy of the suspended-sediment simulaion. Comparison of observed to simulated loads for up to six storms in 1998 at the two nonpoint-source monitoring sites (Little Mill Creek near Newport and Christina River at Coochs Bridge, Del.) indicate that simulation error is commonly as large as an order of magnitude for suspended sediment and nutrients. The simulation error tends to be smaller for dissolved nutrients than for particulate nutrients. Errors of 40 percent or less for monthly or annual values indicate a fair to good water-quality calibration according to recommended criteria; much larger errors are possible for individual events. Assessment of the water-quality calibration under stormﬂow conditions is limited by the relatively small amount of available water-quality data in the subbasin.</p><p>Users of the Christina River subbasin HSPF model and HSPF models for other subbasins in the Christina River Basin should be aware of model limitations and consider the following if the model is used for predictive purposes: streamﬂow-duration curves suggest the model simulates streamﬂow reasonably well when measured over a broad range of conditions and time although streamﬂow and the corresponding water quality for individual storm events may not be well simulated; streamﬂow-duration curves for the simulation period compare well with duration curves for the 8-year period ending in 2001 at Christina River at Coochs Bridge, Del., and include all but the extreme high-ﬂow and low-ﬂow events; and calibration for water quality was based on limited data, with the result of increasing uncertainty in the water-quality simulation.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri034193","collaboration":"Prepared in cooperation with the Delaware River Basin Commission, Delaware Department of Natural Resources and Environmental Control, and the Pennsylvania Department of Environmental Protection","usgsCitation":"Senior, L.A., and Koerkle, E.H., 2003, Simulation of streamflow and water quality in the Christina River subbasin and overview of simulations in other subbasins of the Christina River Basin, Pennsylvania, Maryland, and Delaware, 1994-98: U.S. Geological Survey Water-Resources Investigations Report 2003-4193, xii, 144 p , https://doi.org/10.3133/wri034193.","productDescription":"xii, 144 p ","onlineOnly":"Y","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":4775,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/2003/4193/wri20034193.pdf","text":"Report","size":"2.42 MB","linkFileType":{"id":1,"text":"pdf"},"description":"WRI 2003-4193"},{"id":178226,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/2003/4193/coverthb.jpg"}],"contact":"<p><a href=\"mailto:dc_pa@usgs.gov\" data-mce-href=\"mailto:dc_pa@usgs.gov\">Director</a>, <a href=\"https://pa.water.usgs.gov/\" data-mce-href=\"https://pa.water.usgs.gov/\">Pennsylvania Water Science Center U.S. Geological Survey</a><br> 215 Limekiln Road<br> New Cumberland, PA 17070</p>","tableOfContents":"<ul><li>Abstract</li><li>Introduction&nbsp;</li><li>Description of study area&nbsp;</li><li>Description of model&nbsp;</li><li>Data for model input and calibration&nbsp;</li><li>Simulation of streamﬂow&nbsp;</li><li>Simulation of water quality&nbsp;</li><li>Overview of Christina River Basin models</li><li>Summary and conclusions&nbsp;</li><li>References cited</li><li>Appendixes&nbsp;</li></ul>","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b06e4b07f02db69a1e3","contributors":{"authors":[{"text":"Senior, Lisa A. 0000-0003-2629-1996 lasenior@usgs.gov","orcid":"https://orcid.org/0000-0003-2629-1996","contributorId":2150,"corporation":false,"usgs":true,"family":"Senior","given":"Lisa","email":"lasenior@usgs.gov","middleInitial":"A.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":true,"id":247801,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Koerkle, Edward H. ekoerkle@usgs.gov","contributorId":2014,"corporation":false,"usgs":true,"family":"Koerkle","given":"Edward","email":"ekoerkle@usgs.gov","middleInitial":"H.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":true,"id":247800,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":53466,"text":"wri034258 - 2003 - Ground-water flow and saline water in the shallow aquifer system of the southern watersheds of Virginia Beach, Virginia","interactions":[],"lastModifiedDate":"2012-02-02T00:11:42","indexId":"wri034258","displayToPublicDate":"2004-01-01T00:00:00","publicationYear":"2003","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":"2003-4258","title":"Ground-water flow and saline water in the shallow aquifer system of the southern watersheds of Virginia Beach, Virginia","docAbstract":"Population and tourism continues to grow in Virginia Beach, Virginia, but the supply of freshwater is limited.\r\nA pipeline from Lake Gaston supplies water for northern Virginia Beach, but ground water is widely used to\r\nwater lawns in the north, and most southern areas of the city rely solely on ground water. Water from\r\ndepths greater than 60 meters generally is too saline to drink. Concentrations of chloride, iron, and manganese\r\nexceed drinking-water standards in some areas. The U.S. Geological Survey, in cooperation with the city of\r\nVirginia Beach, Department of Public Utilities, investigated the shallow aquifer system of the southern\r\nwatersheds to determine the distribution of fresh ground water, its potential uses, and its susceptibility to\r\ncontamination. \r\n\r\nAquifers and confining units of the southern watersheds were delineated and chloride concentrations in the\r\naquifers and confining units were contoured. A ground-water-flow and solute-transport model of the shallow\r\naquifer system reached steady state with regard to measured chloride concentrations after 31,550 years of\r\nfreshwater recharge. Model simulations indicate that if freshwater is found in permeable sediments of the\r\nYorktown-Eastover aquifer, such a well field could supply freshwater, possibly for decades, but eventually the\r\nwater would become more saline. The rate of saline-water intrusion toward the well field would depend on the\r\nrate of pumping, aquifer properties, and on the proximity of the well field to saline water sources. The\r\nsteady-state, ground-water-flow model also was used to simulate drawdowns around two hypothetical well\r\nfields and drawdowns around two hypothetical open-pit mines. The chloride concentrations simulated in the\r\nmodel did not approximate the measured concentrations for some wells, indicating sites where local\r\nhydrogeologic units or unit properties do not conform to the simple hydrogeology of the model.\r\n\r\nThe Columbia aquifer, the Yorktown confining unit, and the Yorktown-Eastover aquifer compose the\r\nhydrogeologic units of the shallow aquifer system of Virginia Beach. The Columbia and Yorktown-Eastover\r\naquifers are poorly confined throughout most of the southern watersheds of Virginia Beach. The\r\nfreshwater-to-saline-water distribution probably is in a dynamic equilibrium throughout most of the shallow\r\naquifer system. Freshwater flows continually down and away from the center of the higher altitudes to mix with\r\nsaline water from the tidal rivers, bays, salt marshes, and the Atlantic Ocean. Fresh ground water from the\r\nColumbia aquifer also leaks down through the Yorktown confining unit into the upper half of the Yorktown-Eastover\r\naquifer and flows within the Yorktown-Eastover above saline water in the lower half of the aquifer. Ground-water\r\nrecharge is minimal in much of the southern watersheds because the land surface generally is low and flat.","language":"ENGLISH","doi":"10.3133/wri034258","usgsCitation":"Smith, B.S., 2003, Ground-water flow and saline water in the shallow aquifer system of the southern watersheds of Virginia Beach, Virginia: U.S. Geological Survey Water-Resources Investigations Report 2003-4258, 73 p., https://doi.org/10.3133/wri034258.","productDescription":"73 p.","costCenters":[],"links":[{"id":4684,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri034258/","linkFileType":{"id":5,"text":"html"}},{"id":177663,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a61d2","contributors":{"authors":[{"text":"Smith, Barry S.","contributorId":21532,"corporation":false,"usgs":true,"family":"Smith","given":"Barry","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":247667,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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