{"pageNumber":"2135","pageRowStart":"53350","pageSize":"25","recordCount":184644,"records":[{"id":97140,"text":"sir20085208 - 2008 - Anthropogenic organic compounds in source water of nine community water systems that withdraw from streams, 2002-05","interactions":[],"lastModifiedDate":"2017-10-14T12:20:07","indexId":"sir20085208","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2008-5208","title":"Anthropogenic organic compounds in source water of nine community water systems that withdraw from streams, 2002-05","docAbstract":"Source water, herein defined as stream water collected at a water-system intake prior to water treatment, was sampled at nine community water systems, ranging in size from a system serving about 3,000 people to one that serves about 2 million people. As many as 17 source-water samples were collected at each site over about a 12-month period between 2002 and 2004 for analysis of 258 anthropogenic organic compounds. Most of these compounds are unregulated in drinking water, and the compounds analyzed include pesticides and selected pesticide degradates, gasoline hydrocarbons, personal-care and domestic-use compounds, and solvents. The laboratory analytical methods used in this study have relatively low detection levels - commonly 100 to 1,000 times lower than State and Federal standards and guidelines for protecting water quality. Detections, therefore, do not necessarily indicate a concern to human health but rather help to identify emerging issues and to track changes in occurrence and concentrations over time.\r\n\r\nAbout one-half (134) of the compounds were detected at least once in source-water samples. Forty-seven compounds were detected commonly (in 10 percent or more of the samples), and six compounds (chloroform, atrazine, simazine, metolachlor, deethylatrazine, and hexahydrohexamethylcyclopentabenzopyran (HHCB) were detected in more than one-half of the samples. Chloroform was the most commonly detected compound - in every sample (year round) at five sites. Findings for chloroform and the fragrances HHCB and acetyl hexamethyl tetrahydronaphthalene (AHTN) indicate an association between occurrence and the presence of large upstream wastewater discharges in the watersheds. The herbicides atrazine, simazine, and metolachlor also were among the most commonly detected compounds. Degradates of these herbicides, as well as those of a few other commonly occurring herbicides, generally were detected at concentrations similar to or greater than concentrations of the parent compound. Samples typically contained mixtures of two or more compounds. The total number of compounds and their total concentration in samples generally increased with the amount of urban and agricultural land use in a watershed.\r\n\r\nAnnual mean concentrations of all compounds were less than human-health benchmarks. Single-sample concentrations of anthropogenic organic compounds in source water generally were less than 0.1 microgram per liter and less than established human-health benchmarks. Human-health benchmarks used for comparison were U.S. Environmental Protection Agency (USEPA) Maximum Contaminant Levels (MCLs) for regulated compounds and U.S. Geological Survey Health-Based Screening Levels for unregulated compounds. About one-half of all detected compounds do not have human-health benchmarks or adequate toxicity information for evaluating results in a human-health context.\r\n\r\nDuring a second sampling phase (2004-05), source water and finished water (water that has passed through all the treatment processes but prior to distribution) were sampled at eight of the nine community water systems. Water-treatment processes differ among the systems. Specifically, treatment at five of the systems is conventional, typically including steps of coagulation, flocculation, sedimentation, filtration, and disinfection. One water system uses slow sand filtration and disinfection, a second system uses ozone as a preliminary treatment step to conventional treatment, and a third system is a direct filtration treatment plant that uses many of the steps employed in conventional treatment. Most of these treatment steps are not designed specifically to remove the compounds monitored in this study.\r\n\r\nAbout two-thirds of the compounds detected commonly in source water were detected at similar frequencies in finished water. Although the water-treatment steps differ somewhat among the eight water systems, the amount of change in concentration of the compounds from source- to finish","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20085208","isbn":"9781411322998","usgsCitation":"Kingsbury, J.A., Delzer, G.C., and Hopple, J.A., 2008, Anthropogenic organic compounds in source water of nine community water systems that withdraw from streams, 2002-05 (Version 1.0): U.S. Geological Survey Scientific Investigations Report 2008-5208, x, 68 p., https://doi.org/10.3133/sir20085208.","productDescription":"x, 68 p.","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2002-01-01","temporalEnd":"2005-12-31","costCenters":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":121123,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2008_5208.jpg"},{"id":12123,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2008/5208/","linkFileType":{"id":5,"text":"html"}}],"edition":"Version 1.0","publicComments":"Prepared as part of the National Water-Quality Assessment Program, Source Water-Quality Assessment","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac7e4b07f02db67b33f","contributors":{"authors":[{"text":"Kingsbury, James A. 0000-0003-4985-275X jakingsb@usgs.gov","orcid":"https://orcid.org/0000-0003-4985-275X","contributorId":883,"corporation":false,"usgs":true,"family":"Kingsbury","given":"James","email":"jakingsb@usgs.gov","middleInitial":"A.","affiliations":[{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301135,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Delzer, Gregory C. 0000-0002-7077-4963 gcdelzer@usgs.gov","orcid":"https://orcid.org/0000-0002-7077-4963","contributorId":986,"corporation":false,"usgs":true,"family":"Delzer","given":"Gregory","email":"gcdelzer@usgs.gov","middleInitial":"C.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301136,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hopple, Jessica A. 0000-0003-3180-2252 jahopple@usgs.gov","orcid":"https://orcid.org/0000-0003-3180-2252","contributorId":992,"corporation":false,"usgs":true,"family":"Hopple","given":"Jessica","email":"jahopple@usgs.gov","middleInitial":"A.","affiliations":[{"id":470,"text":"New Jersey Water Science Center","active":true,"usgs":true}],"preferred":false,"id":301137,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":97137,"text":"ofr20081359 - 2008 - Bathymetric and hydraulic survey of the Matanuska River near Circle View Estates, Alaska","interactions":[],"lastModifiedDate":"2018-04-23T10:35:45","indexId":"ofr20081359","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-1359","title":"Bathymetric and hydraulic survey of the Matanuska River near Circle View Estates, Alaska","docAbstract":"

An acoustic Doppler current profiler interfaced with a differentially corrected global positioning system was used to map bathymetry and multi-dimensional velocities on the Matanuska River near Circle View Estates, Alaska. Data were collected along four spur dikes and a bend in the river during a period of active bank erosion. These data were collected as part of a larger investigation into channel processes being conducted to aid land managers with development of a long-term management plan for land near the river. The banks and streambed are composed of readily erodible material and the braided channels frequently scour and migrate. Lateral channel migration has resulted in the periodic loss of properties and structures along the river for decades.

For most of the survey, discharge of the Matanuska River was less than the 25th percentile of long-term streamflow. Despite this relatively low flow, measured water velocities were as high as 15 feet per second. The survey required a unique deployment of the acoustic Doppler current profiler in a tethered boat that was towed by a small inflatable raft. Data were collected along cross sections and longitudinal profiles. The bathymetric and velocity data document river conditions before the installation of an additional spur dike in 2006 and during a period of bank erosion. Data were collected along 1,700 feet of river in front of the spur dikes and along 1,500 feet of an eroding bank.

Data collected at the nose of spur dikes 2, 3, and 4 were selected to quantify the flow hydraulics at the locations subject to the highest velocities. The measured velocities and flow depths were greatest at the nose of the downstream-most spur dike. The maximum point velocity at the spur dike nose was 13.3 feet per second and the maximum depth-averaged velocity was 11.6 feet per second. The maximum measured depth was 12.0 feet at the nose of spur dike 4 and velocities greater than 10 feet per second were measured to a depth of 10 feet.

Data collected along an eroding bank provided details of the spatial distribution and variability in magnitude of velocities and flow depths while erosion was taking place. Erosion was concentrated in an area just downstream of the apex of a river bend. Measured velocities and flow depths were greater in the apex of the bend than in the area of maximum bank erosion. The maximum measured velocity was 12.9 feet per second at the apex and 11.2 feet per second in front of the eroding bank. The maximum measured depth was 10.2 feet at the apex and 5.2 feet in front of the eroding bank.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20081359","collaboration":"Prepared in cooperation with the Matanuska-Susitna Borough","usgsCitation":"Conaway, J.S., 2008, Bathymetric and hydraulic survey of the Matanuska River near Circle View Estates, Alaska: U.S. Geological Survey Open-File Report 2008-1359, Report: iv, 21 p.; 2 Appendixes, https://doi.org/10.3133/ofr20081359.","productDescription":"Report: iv, 21 p.; 2 Appendixes","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":195283,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12121,"rank":99,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1359/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -150,60.75 ], [ -150,62.5 ], [ -147,62.5 ], [ -147,60.75 ], [ -150,60.75 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6fe4b07f02db640aaa","contributors":{"authors":[{"text":"Conaway, Jeffrey S. 0000-0002-3036-592X jconaway@usgs.gov","orcid":"https://orcid.org/0000-0002-3036-592X","contributorId":2026,"corporation":false,"usgs":true,"family":"Conaway","given":"Jeffrey","email":"jconaway@usgs.gov","middleInitial":"S.","affiliations":[{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":301127,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":97120,"text":"ofr20081320 - 2008 - Preliminary classification of water areas within the Atchafalaya Basin Floodway System by using landsat imagery","interactions":[],"lastModifiedDate":"2018-03-21T15:36:31","indexId":"ofr20081320","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-1320","title":"Preliminary classification of water areas within the Atchafalaya Basin Floodway System by using landsat imagery","docAbstract":"

The southern portion of the Atchafalaya Basin Floodway System (ABFS) is a large area (2,571 km2) in south central Louisiana bounded on the east and west sides by a levee system. The ABFS is a sparsely populated area that includes some of the Nation's most significant extents of bottomland hardwoods, swamps, bayous, and backwater lakes, holding a rich abundance and diversity of terrestrial and aquatic species. The seasonal flow of water through the ABFS is critical to maintaining its ecological integrity. Because of strong interdependencies among species, habitat quality, and water flow in the ABFS, there is a need to better define the paths by which water moves at various stages of the hydrocycle. Although river level gages have collected a long historical record of water level variation, very little synoptic information has been available regarding the distribution and character of water at more remote locations in the basin. Most water management plans for the ABFS strive to improve water quality by increasing water flow and circulation from the main stem of the Atchafalaya River into isolated areas. To describe the distribution of land and water on a basin-wide scale, we chose to use Landsat 5 and Landsat 7 imagery to determine the extent of water distribution from 1985 to 2006 and at a variety of river stages. Because the visual signature of river water is high turbidity, we also used Landsat imagery to describe the distribution of turbid water in the ABFS. The ability to track water flow patterns by tracking turbid waters will enhance the characterization of water movement and aid in planning.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081320","usgsCitation":"Allen, Y.C., Constant, G.C., and Couvillion, B., 2008, Preliminary classification of water areas within the Atchafalaya Basin Floodway System by using landsat imagery (Version 1.0): U.S. Geological Survey Open-File Report 2008-1320, iv, 14 p., https://doi.org/10.3133/ofr20081320.","productDescription":"iv, 14 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":195987,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12104,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1320/","linkFileType":{"id":5,"text":"html"}},{"id":352717,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2008/1320/pdf/OF2008-1320.pdf","text":"Report","size":"10.2 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Louisiana","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -92.5,29 ], [ -92.5,31 ], [ -90.5,31 ], [ -90.5,29 ], [ -92.5,29 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e712","contributors":{"authors":[{"text":"Allen, Yvonne C.","contributorId":94403,"corporation":false,"usgs":true,"family":"Allen","given":"Yvonne","email":"","middleInitial":"C.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"preferred":false,"id":301089,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Constant, Glenn C.","contributorId":102595,"corporation":false,"usgs":false,"family":"Constant","given":"Glenn","email":"","middleInitial":"C.","affiliations":[{"id":6661,"text":"US Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":301091,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Couvillion, Brady R. 0000-0001-5323-1687","orcid":"https://orcid.org/0000-0001-5323-1687","contributorId":98834,"corporation":false,"usgs":true,"family":"Couvillion","given":"Brady R.","affiliations":[],"preferred":false,"id":301090,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":97123,"text":"sim3044 - 2008 - Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, Southern High Plains aquifer, southeast New Mexico: Lea County underground water basin","interactions":[],"lastModifiedDate":"2024-01-12T22:24:51.826769","indexId":"sim3044","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":333,"text":"Scientific Investigations Map","code":"SIM","onlineIssn":"2329-132X","printIssn":"2329-1311","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"3044","title":"Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, Southern High Plains aquifer, southeast New Mexico: Lea County underground water basin","docAbstract":"The Southern High Plains aquifer is the principal aquifer and primary source of water in southeastern New Mexico. The Lea County portion of the aquifer covers approximately the northern two thirds of the 4,393-square-mile county. Successful water-supply planning for New Mexico's Southern High Plains requires knowledge of the current aquifer conditions and a context from which to estimate future trends given current aquifer-management policy. Maps representing water-level declines, current (2007) water levels, aquifer saturated thickness, and depth to water accompanied by hydrographs from representative wells for the Southern High Plains aquifer in the Lea County Underground Water Basin were prepared in cooperation with the New Mexico Office of the State Engineer. Results of this mapping effort show the water level has declined as much as 97 feet in the Lea County Underground Water Basin from predevelopment (1914-54) to 2007 with rates as high as 0.88 feet per year.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sim3044","collaboration":"Prepared in cooperation with the New Mexico Office of the State Engineer","usgsCitation":"Tillery, A., 2008, Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, Southern High Plains aquifer, southeast New Mexico: Lea County underground water basin (Version 1.0): U.S. Geological Survey Scientific Investigations Map 3044, 1 Plate: 40 x 26 inches, https://doi.org/10.3133/sim3044.","productDescription":"1 Plate: 40 x 26 inches","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2004-01-01","temporalEnd":"2007-12-31","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":12107,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sim/3044/","linkFileType":{"id":5,"text":"html"}},{"id":197732,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":110799,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_86229.htm","linkFileType":{"id":5,"text":"html"},"description":"86229"}],"country":"United States","state":"New Mexico","county":"Lea County","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -103,\n 32.333\n ],\n [\n -103,\n 33.667\n ],\n [\n -104,\n 33.667\n ],\n [\n -104,\n 32.333\n ],\n [\n -103,\n 32.333\n ]\n ]\n ]\n }\n }\n ]\n}","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67ec77","contributors":{"authors":[{"text":"Tillery, Anne","contributorId":16120,"corporation":false,"usgs":true,"family":"Tillery","given":"Anne","affiliations":[],"preferred":false,"id":301096,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":97122,"text":"sim3038 - 2008 - Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, Southern High Plains aquifer, east-central New Mexico: Curry County, Portales, and Causey Lingo underground water basins","interactions":[],"lastModifiedDate":"2024-01-12T22:14:45.136411","indexId":"sim3038","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":333,"text":"Scientific Investigations Map","code":"SIM","onlineIssn":"2329-132X","printIssn":"2329-1311","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"3038","title":"Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, Southern High Plains aquifer, east-central New Mexico: Curry County, Portales, and Causey Lingo underground water basins","docAbstract":"The Southern High Plains aquifer is the principal aquifer in Curry and Roosevelt Counties, N. Mex., and primary source of water in southeastern New Mexico. Successful water-supply planning for New Mexico's Southern High Plains requires knowledge of the current aquifer conditions and a context to estimate future trends given current aquifer-management policy. This report provides a summary of the current (2007) water-level status of the Southern High Plains aquifer in New Mexico, including a basis for estimating future trends by comparison with historical conditions. This report includes estimates of the extent of ground-water level declines in the Curry County, Portales, and Causey-Lingo Ground-water Management Area parts of the High Plains Aquifer in eastern New Mexico since predevelopment. Maps representing 2007 water levels, water-level declines, aquifer saturated thickness, and depth to water accompanied by hydrographs from representative wells for the Southern High Plains aquifer in the Curry County, Portales, and Causey Lingo Underground Water Basins were prepared in cooperation with the New Mexico Office of the State Engineer. The results of this mapping show the water level declined as much as 175 feet in the study area at rates as high as 1.76 feet per year.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sim3038","collaboration":"Prepared in cooperation with the New Mexico Office of the State Engineer","usgsCitation":"Tillery, A., 2008, Current (2004-07) conditions and changes in ground-water levels from predevelopment to 2007, Southern High Plains aquifer, east-central New Mexico: Curry County, Portales, and Causey Lingo underground water basins (Version 1.0): U.S. Geological Survey Scientific Investigations Map 3038, 1 Plate: 40 x 26 inches, https://doi.org/10.3133/sim3038.","productDescription":"1 Plate: 40 x 26 inches","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2004-01-01","temporalEnd":"2007-12-31","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":110798,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_86228.htm","linkFileType":{"id":5,"text":"html"},"description":"86228"},{"id":12106,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sim/3038/","linkFileType":{"id":5,"text":"html"}},{"id":196200,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"country":"United States","state":"New Mexico","county":"Curry County","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -103.035,\n 33.6667\n ],\n [\n -103.035,\n 35.0167\n ],\n [\n -104.1667,\n 35.0167\n ],\n [\n -104.1667,\n 33.6667\n ],\n [\n -103.035,\n 33.6667\n ]\n ]\n ]\n }\n }\n ]\n}","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e923","contributors":{"authors":[{"text":"Tillery, Anne","contributorId":16120,"corporation":false,"usgs":true,"family":"Tillery","given":"Anne","affiliations":[],"preferred":false,"id":301095,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":97132,"text":"sir20085192 - 2008 - Geophysical Log Database for the Mississippi Embayment Regional Aquifer Study (MERAS)","interactions":[],"lastModifiedDate":"2012-02-10T00:11:55","indexId":"sir20085192","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2008-5192","title":"Geophysical Log Database for the Mississippi Embayment Regional Aquifer Study (MERAS)","docAbstract":"The Mississippi Embayment Regional Aquifer Study (MERAS) is an investigation of ground-water availability and sustainability within the Mississippi embayment as part of the U.S. Geological Survey Ground-Water Resources Program. The MERAS area consists of approximately 70,000 square miles and encompasses parts of eight states including Alabama, Arkansas, Illinois, Kentucky, Louisiana, Mississippi, Missouri, and Tennessee. More than 2,600 geophysical logs of test holes and wells within the MERAS area were compiled into a database and were used to develop a digital hydrogeologic framework from land surface to the top of the Midway Group of upper Paleocene age. The purpose of this report is to document, present, and summarize the geophysical log database, as well as to preserve the geophysical logs in a digital image format for online access.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sir20085192","usgsCitation":"Hart, R.M., and Clark, B.R., 2008, Geophysical Log Database for the Mississippi Embayment Regional Aquifer Study (MERAS) (Version 1.0): U.S. Geological Survey Scientific Investigations Report 2008-5192, Report: iii, 9 p.; Downloads Directory, https://doi.org/10.3133/sir20085192.","productDescription":"Report: iii, 9 p.; Downloads Directory","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":327,"text":"Groundwater Resources Program","active":false,"usgs":true}],"links":[{"id":196249,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12115,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2008/5192/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -94,30 ], [ -94,38 ], [ -86,38 ], [ -86,30 ], [ -94,30 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad8e4b07f02db684934","contributors":{"authors":[{"text":"Hart, Rheannon M. 0000-0003-4657-5945 rmhart@usgs.gov","orcid":"https://orcid.org/0000-0003-4657-5945","contributorId":5516,"corporation":false,"usgs":true,"family":"Hart","given":"Rheannon","email":"rmhart@usgs.gov","middleInitial":"M.","affiliations":[{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true},{"id":129,"text":"Arkansas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301112,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clark, Brian R. 0000-0001-6611-3807 brclark@usgs.gov","orcid":"https://orcid.org/0000-0001-6611-3807","contributorId":1502,"corporation":false,"usgs":true,"family":"Clark","given":"Brian","email":"brclark@usgs.gov","middleInitial":"R.","affiliations":[{"id":38131,"text":"WMA - Office of Planning and Programming","active":true,"usgs":true}],"preferred":true,"id":301111,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":97128,"text":"sir20085219 - 2008 - Models for gas hydrate-bearing sediments inferred from hydraulic permeability and elastic velocities","interactions":[],"lastModifiedDate":"2018-08-28T15:52:07","indexId":"sir20085219","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2008-5219","title":"Models for gas hydrate-bearing sediments inferred from hydraulic permeability and elastic velocities","docAbstract":"Elastic velocities and hydraulic permeability of gas hydrate-bearing sediments strongly depend on how gas hydrate accumulates in pore spaces and various gas hydrate accumulation models are proposed to predict physical property changes due to gas hydrate concentrations. Elastic velocities and permeability predicted from a cementation model differ noticeably from those from a pore-filling model. A nuclear magnetic resonance (NMR) log provides in-situ water-filled porosity and hydraulic permeability of gas hydrate-bearing sediments. To test the two competing models, the NMR log along with conventional logs such as velocity and resistivity logs acquired at the Mallik 5L-38 well, Mackenzie Delta, Canada, were analyzed. When the clay content is less than about 12 percent, the NMR porosity is 'accurate' and the gas hydrate concentrations from the NMR log are comparable to those estimated from an electrical resistivity log. The variation of elastic velocities and relative permeability with respect to the gas hydrate concentration indicates that the dominant effect of gas hydrate in the pore space is the pore-filling characteristic.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20085219","usgsCitation":"Lee, M.W., 2008, Models for gas hydrate-bearing sediments inferred from hydraulic permeability and elastic velocities (Version 1.0): U.S. Geological Survey Scientific Investigations Report 2008-5219, iii, 15 p., https://doi.org/10.3133/sir20085219.","productDescription":"iii, 15 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":196248,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":356872,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2008/5219/pdf/SIR08-5219_508.pdf","text":"Report","size":"1.5 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":12112,"rank":100,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2008/5219/","text":"Index Page","linkFileType":{"id":5,"text":"html"}}],"edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db69974b","contributors":{"authors":[{"text":"Lee, Myung W. mlee@usgs.gov","contributorId":779,"corporation":false,"usgs":true,"family":"Lee","given":"Myung","email":"mlee@usgs.gov","middleInitial":"W.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":301108,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":97121,"text":"ofr20081365 - 2008 - Monitoring inland storm surge and flooding from Hurricane Ike in Texas and Louisiana, September 2008","interactions":[],"lastModifiedDate":"2022-07-13T20:30:21.649619","indexId":"ofr20081365","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-1365","title":"Monitoring inland storm surge and flooding from Hurricane Ike in Texas and Louisiana, September 2008","docAbstract":"

The U.S. Geological Survey (USGS) deployed a temporary monitoring network of 117 pressure transducers (sensors) at 65 sites over an area of about 5,000 square miles to record the timing, areal extent, and magnitude of inland hurricane storm surge and coastal flooding generated by Hurricane Ike, which struck southeastern Texas and southwestern Louisiana September 12-13, 2008. Fifty-six sites were in Texas and nine were in Louisiana. Sites were categorized as surge, riverine, or beach/wave on the basis of proximity to the Gulf Coast. One-hundred five sensors from 59 sites (fig. 1) were recovered; 12 sensors from six sites either were lost during the storm or were not retrieved. All 59 sites (41 surge, 10 riverine, 8 beach/wave) had sensors to record water pressure (fig. 2), which is expressed as water level in feet above North American Vertical Datum of 1988 (NAVD88), and 46 sites had an additional sensor to record barometric pressure, expressed in pounds per square inch. Figure 3 shows an example of water level and barometric pressure over time recorded by sensors during the storm.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081365","usgsCitation":"East, J., Turco, M.J., and Mason, 2008, Monitoring inland storm surge and flooding from Hurricane Ike in Texas and Louisiana, September 2008: U.S. Geological Survey Open-File Report 2008-1365, Report: 34 p.; Dataset, https://doi.org/10.3133/ofr20081365.","productDescription":"Report: 34 p.; Dataset","onlineOnly":"Y","additionalOnlineFiles":"Y","temporalStart":"2008-09-12","temporalEnd":"2008-09-13","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":195098,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20081365.PNG"},{"id":327278,"rank":101,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2008/1365/pdf/ofr2008-1365.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":12105,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1365/","linkFileType":{"id":5,"text":"html"}},{"id":403689,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_86227.htm","linkFileType":{"id":5,"text":"html"}},{"id":327279,"rank":102,"type":{"id":28,"text":"Dataset"},"url":"https://pubs.usgs.gov/of/2008/1365/downloads/Ike_data.zip"}],"country":"United States","state":"Louisiana, Texas","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -96.74560546875,\n 28.256005619824972\n ],\n [\n -92.515869140625,\n 28.256005619824972\n ],\n [\n -92.515869140625,\n 30.031055426540206\n ],\n [\n -96.74560546875,\n 30.031055426540206\n ],\n [\n -96.74560546875,\n 28.256005619824972\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db6991d3","contributors":{"authors":[{"text":"East, Jeffery W. jweast@usgs.gov","contributorId":1683,"corporation":false,"usgs":true,"family":"East","given":"Jeffery W.","email":"jweast@usgs.gov","affiliations":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301093,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Turco, Michael J. mjturco@usgs.gov","contributorId":1011,"corporation":false,"usgs":true,"family":"Turco","given":"Michael","email":"mjturco@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":true,"id":301092,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mason, Jr. 0000-0002-3998-3468 rrmason@usgs.gov","orcid":"https://orcid.org/0000-0002-3998-3468","contributorId":2090,"corporation":false,"usgs":true,"family":"Mason","suffix":"Jr.","email":"rrmason@usgs.gov","affiliations":[{"id":509,"text":"Office of the Associate Director for Water","active":true,"usgs":true}],"preferred":true,"id":301094,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":97124,"text":"sir20085181 - 2008 - An Integrated Hydrogeologic and Geophysical Investigation to Characterize the Hydrostratigraphy of the Edwards Aquifer in an Area of Northeastern Bexar County, Texas","interactions":[],"lastModifiedDate":"2016-08-23T12:45:41","indexId":"sir20085181","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2008-5181","title":"An Integrated Hydrogeologic and Geophysical Investigation to Characterize the Hydrostratigraphy of the Edwards Aquifer in an Area of Northeastern Bexar County, Texas","docAbstract":"

In August 2007, the U.S. Geological Survey, in cooperation with the San Antonio Water System, did a hydrogeologic and geophysical investigation to characterize the hydrostratigraphy (hydrostratigraphic zones) and also the hydrogeologic features (karst features such as sinkholes and caves) of the Edwards aquifer in a 16-square-kilometer area of northeastern Bexar County, Texas, undergoing urban development. Existing hydrostratigraphic information, enhanced by local-scale geologic mapping in the area, and surface geophysics were used to associate ranges of electrical resistivities obtained from capacitively coupled (CC) resistivity surveys, frequency-domain electromagnetic (FDEM) surveys, time-domain electromagnetic (TDEM) soundings, and two-dimensional direct-current (2D-DC) resistivity surveys with each of seven hydrostratigraphic zones (equivalent to members of the Kainer and Person Formations) of the Edwards aquifer. The principal finding of this investigation is the relation between electrical resistivity and the contacts between the hydrostratigraphic zones of the Edwards aquifer and the underlying Trinity aquifer in the area. In general, the TDEM data indicate a two-layer model in which an electrical conductor underlies an electrical resistor, which is consistent with the Trinity aquifer (conductor) underlying the Edwards aquifer (resistor). TDEM data also show the plane of Bat Cave fault, a well-known fault in the area, to be associated with a local, nearly vertical zone of low resistivity that provides evidence, although not definitive, for Bat Cave fault functioning as a flow barrier, at least locally. In general, the CC resistivity, FDEM survey, and 2D-DC resistivity survey data show a sharp electrical contrast from north to south, changing from high resistivity to low resistivity across Bat Cave fault as well as possible karst features in the study area. Interpreted karst features that show relatively low resistivity within a relatively high-resistivity area likely are attributable to clay or soil filling a sinkhole. In general, faults are inferred where lithologic incongruity indicates possible displacement. Along most inferred faults, displacement was not sufficient to place different members of the Kainer or Person Formations (hydrostratigraphic zones) adjacent across the inferred fault plane. In general, the Kainer Formation (hydrostratigraphic zones V through VIII) has a higher resistivity than the Person Formation (hydrostratigraphic zones II through IV). Although resistivity variations from the CC resistivity, FDEM, and 2D-DC resistivity surveys, with mapping information, were sufficient to allow surface mapping of the lateral extent of hydrostratigraphic zones in places, resistivity variations from TDEM data were not sufficient to allow vertical delineation of hydrostratigraphic zones; however, the Edwards aquifer-Trinity aquifer contact could be identified from the TDEM data.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20085181","collaboration":"Prepared in cooperation with the San Antonio Water System","usgsCitation":"Shah, S., Smith, B.D., Clark, A.K., and Payne, J., 2008, An Integrated Hydrogeologic and Geophysical Investigation to Characterize the Hydrostratigraphy of the Edwards Aquifer in an Area of Northeastern Bexar County, Texas (Version 1.0): U.S. Geological Survey Scientific Investigations Report 2008-5181, Report: vi, 26 p.; Plate: 24 x 18 inches; Data Files, https://doi.org/10.3133/sir20085181.","productDescription":"Report: vi, 26 p.; Plate: 24 x 18 inches; Data Files","onlineOnly":"Y","additionalOnlineFiles":"Y","temporalStart":"2007-08-01","temporalEnd":"2007-08-31","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":124763,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2008_5181.jpg"},{"id":12108,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2008/5181/","linkFileType":{"id":5,"text":"html"}},{"id":327655,"rank":101,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2008/5181/pdf/sir2008-5181.pdf","size":"8.59 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":327656,"rank":102,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/sir/2008/5181/pdf/sir2008-5181-pl1.pdf","size":"26.7 MB","linkFileType":{"id":1,"text":"pdf"}}],"projection":"Universal Transverse Mercator","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -98.43416666666667,29.634166666666665 ], [ -98.43416666666667,29.683333333333334 ], [ -98.36666666666666,29.683333333333334 ], [ -98.36666666666666,29.634166666666665 ], [ -98.43416666666667,29.634166666666665 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db6864d4","contributors":{"authors":[{"text":"Shah, Sachin D.","contributorId":60174,"corporation":false,"usgs":true,"family":"Shah","given":"Sachin D.","affiliations":[],"preferred":false,"id":301100,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, Bruce D. 0000-0002-1643-2997 bsmith@usgs.gov","orcid":"https://orcid.org/0000-0002-1643-2997","contributorId":845,"corporation":false,"usgs":true,"family":"Smith","given":"Bruce","email":"bsmith@usgs.gov","middleInitial":"D.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":301097,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Clark, Allan K. 0000-0003-0099-1521 akclark@usgs.gov","orcid":"https://orcid.org/0000-0003-0099-1521","contributorId":1279,"corporation":false,"usgs":true,"family":"Clark","given":"Allan","email":"akclark@usgs.gov","middleInitial":"K.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true},{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301099,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Payne, Jason 0000-0003-4294-7924 jdpayne@usgs.gov","orcid":"https://orcid.org/0000-0003-4294-7924","contributorId":1062,"corporation":false,"usgs":true,"family":"Payne","given":"Jason ","email":"jdpayne@usgs.gov","affiliations":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":false,"id":301098,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":97125,"text":"sim3061 - 2008 - Differences in Reservoir Bathymetry, Area, and Capacity Between December 20-22, 2005, and June 16-19, 2008, for Lower Taum Sauk Reservoir, Reynolds County, Missouri","interactions":[],"lastModifiedDate":"2012-03-08T17:16:31","indexId":"sim3061","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":333,"text":"Scientific Investigations Map","code":"SIM","onlineIssn":"2329-132X","printIssn":"2329-1311","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"3061","title":"Differences in Reservoir Bathymetry, Area, and Capacity Between December 20-22, 2005, and June 16-19, 2008, for Lower Taum Sauk Reservoir, Reynolds County, Missouri","docAbstract":"On December 14, 2005, the embankment of the upper reservoir at the Taum Sauk pump storage facility, Reynolds County, Missouri, catastrophically failed and flooded the East Fork Black River, depositing debris and sediment in Johnson's Shut-Ins State Park, the lower Taum Sauk Reservoir, and downstream in the Black River (location map). A bathymetric survey conducted December 20-22, 2005, documented the bathymetry of the lower Taum Sauk Reservoir after the upper reservoir failure (Rydlund, 2006). After subsequent excavation of sediment and debris from the lower reservoir by Ameren Union Electric (UE), the U.S. Geological Survey (USGS), in collaboration with Roux Associates Inc., conducted a bathymetric survey of the lower Taum Sauk Reservoir on June 16-19, 2008, to prepare a current (2008) bathymetric map (fig. 1) for the lower reservoir, establish a current (2008) elevation-area and capacity table, and determine reservoir area and capacity differences between the 2005 and 2008 bathymetric surveys.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sim3061","collaboration":"Prepared in collaboration with Roux Associates Inc.","usgsCitation":"Wilson, G.L., and Richards, J.M., 2008, Differences in Reservoir Bathymetry, Area, and Capacity Between December 20-22, 2005, and June 16-19, 2008, for Lower Taum Sauk Reservoir, Reynolds County, Missouri (Version 1.0): U.S. Geological Survey Scientific Investigations Map 3061, Map Sheet: 35 x 34 inches, https://doi.org/10.3133/sim3061.","productDescription":"Map Sheet: 35 x 34 inches","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2005-12-14","temporalEnd":"2008-07-01","costCenters":[{"id":396,"text":"Missouri Water Science Center","active":true,"usgs":true}],"links":[{"id":110800,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_86231.htm","linkFileType":{"id":5,"text":"html"},"description":"86231"},{"id":196201,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12109,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sim/3061/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -90.85,37.48416666666667 ], [ -90.85,37.5175 ], [ -90.80111111111111,37.5175 ], [ -90.80111111111111,37.48416666666667 ], [ -90.85,37.48416666666667 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d7b7","contributors":{"authors":[{"text":"Wilson, Gary L. gwilson@usgs.gov","contributorId":3078,"corporation":false,"usgs":true,"family":"Wilson","given":"Gary","email":"gwilson@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":301102,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Richards, Joseph M. 0000-0002-9822-2706 richards@usgs.gov","orcid":"https://orcid.org/0000-0002-9822-2706","contributorId":2370,"corporation":false,"usgs":true,"family":"Richards","given":"Joseph","email":"richards@usgs.gov","middleInitial":"M.","affiliations":[{"id":36532,"text":"Central Midwest Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301101,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":97139,"text":"fs20073085 - 2008 - Organic compounds in Potomac River water used for public supply near Washington, D.C., 2003-05","interactions":[],"lastModifiedDate":"2023-03-09T20:32:29.733309","indexId":"fs20073085","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2007-3085","title":"Organic compounds in Potomac River water used for public supply near Washington, D.C., 2003-05","docAbstract":"Organic compounds studied in this U.S. Geological Survey (USGS) assessment generally are man-made, including, in part, pesticides, solvents, gasoline hydrocarbons, personal care and domestic-use products, and refrigerants and propellants. A total of 85 of 277 compounds were detected at least once among the 25 samples collected approximately monthly during 2003-05 at the intake of the Washington Aqueduct, one of several community water systems on the Potomac River upstream from Washington, D.C. The diversity of compounds detected indicate a variety of different sources and uses (including wastewater discharge, industrial, agricultural, domestic, and others) and different pathways (including treated wastewater outfalls located upstream, overland runoff, and ground-water discharge) to drinking-water supplies. Seven compounds were detected year-round in source-water intake samples, including selected herbicide compounds commonly used in the Potomac River Basin and in other agricultural areas across the United States. Two-thirds of the 26 compounds detected most commonly in source water (in at least 20 percent of the samples) also were detected most commonly in finished water (after treatment but prior to distribution). Concentrations for all detected compounds in source and finished water generally were less than 0.1 microgram per liter and always less than human-health benchmarks, which are available for about one-half of the detected compounds. On the basis of this screening-level assessment, adverse effects to human health are expected to be negligible (subject to limitations of available human-health benchmarks).","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/fs20073085","collaboration":"Prepared as part of the National Water-Quality Assessment Program, Source Water-Quality Assessment","usgsCitation":"Brayton, M.J., Denver, J., Delzer, G.C., and Hamilton, P.A., 2008, Organic compounds in Potomac River water used for public supply near Washington, D.C., 2003-05 (Version 1.0): U.S. Geological Survey Fact Sheet 2007-3085, 6 p., https://doi.org/10.3133/fs20073085.","productDescription":"6 p.","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2003-01-01","temporalEnd":"2005-12-31","costCenters":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true},{"id":41514,"text":"Maryland-Delaware-District of Columbia Water Science Center","active":true,"usgs":true}],"links":[{"id":126705,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2007_3085.jpg"},{"id":12126,"rank":3,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2007/3085/","linkFileType":{"id":5,"text":"html"}},{"id":403722,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_86197.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Maryland, Virginia","city":"Washington DC","otherGeospatial":"Potomac River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -78.64013671875,\n 38.08268954483802\n ],\n [\n -76.46484375,\n 38.08268954483802\n ],\n [\n -76.46484375,\n 39.66914219401813\n ],\n [\n -78.64013671875,\n 39.66914219401813\n ],\n [\n -78.64013671875,\n 38.08268954483802\n ]\n ]\n ]\n }\n }\n ]\n}","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aeee4b07f02db6911cf","contributors":{"authors":[{"text":"Brayton, Michael J. mbrayton@usgs.gov","contributorId":2993,"corporation":false,"usgs":true,"family":"Brayton","given":"Michael","email":"mbrayton@usgs.gov","middleInitial":"J.","affiliations":[{"id":374,"text":"Maryland Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301134,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Denver, Judith M. jmdenver@usgs.gov","contributorId":780,"corporation":false,"usgs":true,"family":"Denver","given":"Judith M.","email":"jmdenver@usgs.gov","affiliations":[{"id":375,"text":"Maryland, Delaware, and the District of Columbia Water Science Center","active":false,"usgs":true}],"preferred":false,"id":301131,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Delzer, Gregory C. 0000-0002-7077-4963 gcdelzer@usgs.gov","orcid":"https://orcid.org/0000-0002-7077-4963","contributorId":986,"corporation":false,"usgs":true,"family":"Delzer","given":"Gregory","email":"gcdelzer@usgs.gov","middleInitial":"C.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301132,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hamilton, Pixie A. pahamilt@usgs.gov","contributorId":1068,"corporation":false,"usgs":true,"family":"Hamilton","given":"Pixie","email":"pahamilt@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":301133,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":97127,"text":"ofr20081352 - 2008 - Mineralogic Causes of Variations in Magnetic Susceptibility of Late Pleistocene and Holocene Sediment from Great Salt Lake, Utah","interactions":[],"lastModifiedDate":"2012-02-10T00:11:55","indexId":"ofr20081352","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-1352","title":"Mineralogic Causes of Variations in Magnetic Susceptibility of Late Pleistocene and Holocene Sediment from Great Salt Lake, Utah","docAbstract":"We describe here results of magnetic susceptibility (MS) measurements and magnetic mineralogy of sediments sampled in three cores from the south basin of Great Salt Lake. The cores were obtained in 1996 with a Kullenburg-type piston corer at sites in close proximity: core 96-4 at 41 deg 01.00' N, 112 deg 28.00' W and cores 96-5 and 96-6 at 41 deg 00.09' N, 112 deg 23.05' W. Cores 96-5 (2.16 m long) and -6 combine to make a composite 11.31-m sediment record. Sediments in core 96-4 (5.54 m long) correspond to the approximate depth interval of 3.9-9.6 m in the composite core of 96-5 and -6 based on similarities in the MS records as described below.\r\n\r\nThe central goal of the research was to provide a sediment record of paleoenvironmental change in the northeastern Basin and Range Province over the past 40,000 years. Specific targets included a sedimentologic record of lake-level change combined with a pollen record of climatic change.\r\n","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081352","usgsCitation":"Reynolds, R.L., Rosenbaum, J.G., and Thompson, R.S., 2008, Mineralogic Causes of Variations in Magnetic Susceptibility of Late Pleistocene and Holocene Sediment from Great Salt Lake, Utah (Version 1.0): U.S. Geological Survey Open-File Report 2008-1352, iv, 17 p., https://doi.org/10.3133/ofr20081352.","productDescription":"iv, 17 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":196202,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12111,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1352/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -113.25,40.5 ], [ -113.25,42 ], [ -111.75,42 ], [ -111.75,40.5 ], [ -113.25,40.5 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699ecd","contributors":{"authors":[{"text":"Reynolds, Richard L. 0000-0002-4572-2942 rreynolds@usgs.gov","orcid":"https://orcid.org/0000-0002-4572-2942","contributorId":441,"corporation":false,"usgs":true,"family":"Reynolds","given":"Richard","email":"rreynolds@usgs.gov","middleInitial":"L.","affiliations":[{"id":271,"text":"Federal Center","active":false,"usgs":true}],"preferred":true,"id":301105,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rosenbaum, Joseph G. jrosenbaum@usgs.gov","contributorId":1524,"corporation":false,"usgs":true,"family":"Rosenbaum","given":"Joseph","email":"jrosenbaum@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":true,"id":301107,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Thompson, Robert S. 0000-0001-9287-2954 rthompson@usgs.gov","orcid":"https://orcid.org/0000-0001-9287-2954","contributorId":891,"corporation":false,"usgs":true,"family":"Thompson","given":"Robert","email":"rthompson@usgs.gov","middleInitial":"S.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":301106,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":97138,"text":"fs20083094 - 2008 - Man-made organic compounds in source water of nine community water systems that withdraw from streams, 2002-05","interactions":[],"lastModifiedDate":"2017-10-14T12:21:15","indexId":"fs20083094","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-3094","title":"Man-made organic compounds in source water of nine community water systems that withdraw from streams, 2002-05","docAbstract":"Initial findings from a national study by the National Water-Quality Assessment (NAWQA) Program of the U.S. Geological Survey (USGS) characterize the occurrence of about 250 anthropogenic organic compounds in source water (defined as water collected at a surface-water intake prior to water treatment) at nine community water systems in nine States in the Nation. The organic compounds analyzed in this study are primarily man-made and include pesticides, solvents, gasoline hydrocarbons, personal-care and domestic-use products, disinfection by-products, and manufacturing additives. The study also describes and compares the occurrence of selected compounds detected in source water with their occurrence in finished water, which is defined as water that has passed through treatment processes but prior to distribution. This fact sheet summarizes major findings and implications of the study and serves as a companion product to two USGS reports that present more detailed and technical information for the nine systems studied during 2002-05 (Carter and others, 2007; Kingsbury and others, 2008).","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/fs20083094","usgsCitation":"Kingsbury, J.A., Delzer, G.C., and Hamilton, P.A., 2008, Man-made organic compounds in source water of nine community water systems that withdraw from streams, 2002-05 (Version 1.0): U.S. Geological Survey Fact Sheet 2008-3094, 6 p., https://doi.org/10.3133/fs20083094.","productDescription":"6 p.","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2002-01-01","temporalEnd":"2005-12-31","costCenters":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":122365,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2008_3094.jpg"},{"id":12122,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2008/3094/","linkFileType":{"id":5,"text":"html"}}],"edition":"Version 1.0","publicComments":"Prepared as part of the National Water-Quality Assessment Program, Source Water-Quality Assessment","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a0df","contributors":{"authors":[{"text":"Kingsbury, James A. 0000-0003-4985-275X jakingsb@usgs.gov","orcid":"https://orcid.org/0000-0003-4985-275X","contributorId":883,"corporation":false,"usgs":true,"family":"Kingsbury","given":"James","email":"jakingsb@usgs.gov","middleInitial":"A.","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301128,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Delzer, Gregory C. 0000-0002-7077-4963 gcdelzer@usgs.gov","orcid":"https://orcid.org/0000-0002-7077-4963","contributorId":986,"corporation":false,"usgs":true,"family":"Delzer","given":"Gregory","email":"gcdelzer@usgs.gov","middleInitial":"C.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301129,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hamilton, Pixie A. pahamilt@usgs.gov","contributorId":1068,"corporation":false,"usgs":true,"family":"Hamilton","given":"Pixie","email":"pahamilt@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":301130,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":97136,"text":"ofr20081360 - 2008 - The search for Braddock’s Caldera— Guidebook for Colorado Scientific Society Fall 2008 field trip, Never Summer Mountains, Colorado","interactions":[],"lastModifiedDate":"2021-09-13T19:29:30.084624","indexId":"ofr20081360","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-1360","title":"The search for Braddock’s Caldera— Guidebook for Colorado Scientific Society Fall 2008 field trip, Never Summer Mountains, Colorado","docAbstract":"The report contains the illustrated guidebook that was used for the fall field trip of the Colorado Scientific Society on September 6-7, 2008. It summarizes new information about the Tertiary geologic history of the northern Front Range and the Never Summer Mountains, particularly the late Oligocene volcanic and intrusive rocks designated the Braddock Peak complex.\r\n\r\nMinor modifications were made in response to technical reviews by D.J. Lidke and C.A. Ruleman (U.S. Geological Survey) regarding clarity and consistency, and text editing by M.A. Kidd. However, the text remains essentially similar to the guidebook that was circulated to the participants on the Colorado Scientific Society 2008 field trip. Several notes were added following the trip (as indicated) to address developments since the guidebook was written.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081360","usgsCitation":"Cole, J., Larson, E., Farmer, L., and Kellogg, K., 2008, The search for Braddock’s Caldera— Guidebook for Colorado Scientific Society Fall 2008 field trip, Never Summer Mountains, Colorado (Version 1.0): U.S. Geological Survey Open-File Report 2008-1360, 30 p., https://doi.org/10.3133/ofr20081360.","productDescription":"30 p.","onlineOnly":"Y","additionalOnlineFiles":"N","temporalStart":"2008-09-06","temporalEnd":"2008-09-07","costCenters":[{"id":229,"text":"Earth Surface Processes Team","active":false,"usgs":true}],"links":[{"id":195282,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12119,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1360/","linkFileType":{"id":5,"text":"html"}},{"id":389171,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_86217.htm"}],"country":"United States","state":"Colorado","otherGeospatial":"Never Summer Mountains","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -105.91666666666667,40.4675 ], [ -105.91666666666667,40.483333333333334 ], [ -105.90083333333334,40.483333333333334 ], [ -105.90083333333334,40.4675 ], [ -105.91666666666667,40.4675 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adae4b07f02db685902","contributors":{"authors":[{"text":"Cole, J. C.","contributorId":21539,"corporation":false,"usgs":true,"family":"Cole","given":"J. C.","affiliations":[],"preferred":false,"id":301123,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Larson, Ed","contributorId":25657,"corporation":false,"usgs":true,"family":"Larson","given":"Ed","email":"","affiliations":[],"preferred":false,"id":301124,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Farmer, Lang","contributorId":40301,"corporation":false,"usgs":true,"family":"Farmer","given":"Lang","email":"","affiliations":[],"preferred":false,"id":301125,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kellogg, Karl S.","contributorId":89896,"corporation":false,"usgs":true,"family":"Kellogg","given":"Karl S.","affiliations":[],"preferred":false,"id":301126,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":97135,"text":"ofr20081358 - 2008 - Analytical Results for Municipal Biosolids Samples from a Monitoring Program near Deer Trail, Colorado (U.S.A.), 2007","interactions":[],"lastModifiedDate":"2012-02-10T00:11:48","indexId":"ofr20081358","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-1358","title":"Analytical Results for Municipal Biosolids Samples from a Monitoring Program near Deer Trail, Colorado (U.S.A.), 2007","docAbstract":"Since late 1993, the Metro Wastewater Reclamation District of Denver (Metro District), a large wastewater treatment plant in Denver, Colorado, has applied Grade I, Class B biosolids to about 52,000 acres of nonirrigated farmland and rangeland near Deer Trail, Colorado (U.S.A.). In cooperation with the Metro District in 1993, the U.S. Geological Survey (USGS) began monitoring ground water at part of this site. In 1999, the USGS began a more comprehensive monitoring study of the entire site to address stakeholder concerns about the potential chemical effects of biosolids applications to water, soil, and vegetation. This more comprehensive monitoring program recently has been extended through 2010. Monitoring components of the more comprehensive study include biosolids collected at the wastewater treatment plant, soil, crops, dust, alluvial and bedrock ground water, and streambed sediment. Streams at the site are dry most of the year, so samples of streambed sediment deposited after rain were used to indicate surface-water effects. This report will present only analytical results for the biosolids samples collected at the Metro District wastewater treatment plant in Denver and analyzed during 2007. We have presented earlier a compilation of analytical results for the biosolids samples collected and analyzed for 1999 through 2006. More information about the other monitoring components is presented elsewhere in the literature. Priority parameters for biosolids identified by the stakeholders and also regulated by Colorado when used as an agricultural soil amendment include the total concentrations of nine trace elements (arsenic, cadmium, copper, lead, mercury, molybdenum, nickel, selenium, and zinc), plutonium isotopes, and gross alpha and beta activity. Nitrogen and chromium also were priority parameters for ground water and sediment components.\r\n\r\nIn general, the objective of each component of the study was to determine whether concentrations of priority parameters (1) were higher than regulatory limits, (2) were increasing with time, or (3) were significantly higher in biosolids-applied areas than in a similar farmed area where biosolids were not applied.\r\n\r\nPrevious analytical results indicate that the elemental composition of the biosolids from the Denver plant was consistent during 1999-2006 and this consistency continues with the samples for 2007; total concentrations of regulated trace elements remained consistently lower than the regulatory limits for the entire monitoring period.\r\n\r\nOur previously reported data (1999-2006) and data presented in this report were used to compile an inorganic-chemical biosolids signature that can be contrasted with the geochemical signature for this site. The biosolids signature and an understanding of the geology and hydrology of the site can be used to separate biosolids effects from natural geochemical effects. Elements of particular interest for a biosolids signature include bismuth, copper, silver, mercury, phosphorus, and silver.\r\n\r\nAn alternative method of digestion of biosolids was also recently investigated, and the results are presented in this report. A microwave digestion using only nitric acid at controlled elevated temperature and pressure was tested to replace the much more time-consuming and labor-intensive, traditional four-acid, hotplate method for the preparation of solutions to be analyzed by inductively coupled plasma-mass spectrometry (ICP-MS). Elements of concern determined by ICP-MS following digestion include cadmium, copper, lead, molybdenum, nickel, and zinc. The microwave 'digestion' proved to be a strong acid leach, and it was less efficient at digesting the biosolids samples with consistently lower recoveries (compared to the four-acid digestion value) for most elements, but especially for the elements of concern - copper, nickel, and zinc. Other elements traditionally associated with the silicate or oxide minerals demonstrated low recoveries, especially titaniu","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081358","usgsCitation":"Crock, J., Smith, D.B., Yager, T.J., Berry, C., and Adams, M.G., 2008, Analytical Results for Municipal Biosolids Samples from a Monitoring Program near Deer Trail, Colorado (U.S.A.), 2007 (Version 1.0): U.S. Geological Survey Open-File Report 2008-1358, iv, 35 p., https://doi.org/10.3133/ofr20081358.","productDescription":"iv, 35 p.","onlineOnly":"Y","additionalOnlineFiles":"N","temporalStart":"2007-01-01","temporalEnd":"2007-12-31","costCenters":[{"id":213,"text":"Crustal Imaging and Characterization Team","active":false,"usgs":true}],"links":[{"id":195097,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12118,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1358/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -104,39.3675 ], [ -104,39.73444444444444 ], [ -103.7,39.73444444444444 ], [ -103.7,39.3675 ], [ -104,39.3675 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67eb63","contributors":{"authors":[{"text":"Crock, J.G.","contributorId":58236,"corporation":false,"usgs":true,"family":"Crock","given":"J.G.","email":"","affiliations":[],"preferred":false,"id":301120,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, D. B. davidsmith@usgs.gov","contributorId":12840,"corporation":false,"usgs":true,"family":"Smith","given":"D.","email":"davidsmith@usgs.gov","middleInitial":"B.","affiliations":[],"preferred":false,"id":301118,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Yager, T. J. B.","contributorId":77256,"corporation":false,"usgs":true,"family":"Yager","given":"T.","email":"","middleInitial":"J. B.","affiliations":[],"preferred":false,"id":301121,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Berry, C. J.","contributorId":52680,"corporation":false,"usgs":true,"family":"Berry","given":"C. J.","affiliations":[],"preferred":false,"id":301119,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Adams, M. G.","contributorId":84812,"corporation":false,"usgs":true,"family":"Adams","given":"M.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":301122,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":97129,"text":"fs20083090 - 2008 - Water quality of streams in Johnson County, Kansas, 2002-07","interactions":[],"lastModifiedDate":"2017-08-08T13:47:32","indexId":"fs20083090","displayToPublicDate":"2008-12-18T00:00:00","publicationYear":"2008","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":"2008-3090","title":"Water quality of streams in Johnson County, Kansas, 2002-07","docAbstract":"Water quality of streams in Johnson County, Kansas was evaluated from October 2002 through December 2007 in a cooperative study between the U.S. Geological Survey and the Johnson County Stormwater Management Program. Water quality at 42 stream sites, representing urban and rural basins, was characterized by evaluating benthic macroinvertebrates, water (discrete and continuous data), and/or streambed sediment. Point and nonpoint sources and transport were described for water-quality constituents including suspended sediment, dissolved solids and major ions, nutrients (nitrogen and phosphorus), indicator bacteria, pesticides, and organic wastewater and pharmaceutical compounds. The information obtained from this study is being used by city and county officials to develop effective management plans for protecting and improving stream quality. 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The assessment is based on geologic elements of a total petroleum system (TPS), which include (1) source-rock distribution, thickness, organic richness, maturation, petroleum generation, and migration; (2) reservoir-rock type (conventional or continuous), distribution, and quality; and (3) character of traps and time of formation with respect to petroleum generation and migration. Framework studies in stratigraphy and structural geology and modeling of petroleum geochemistry, combined with historical exploration and production analyses, were used to estimate the undiscovered, technically recoverable oil resource of the Bakken Formation. Using this framework, the USGS defined a Bakken-Lodgepole TPS and seven assessment units (AU) within the system. For the Bakken Formation, the undiscovered oil and associated gas resources were quantitatively estimated for six of these AUs.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081353","usgsCitation":"Pollastro, R.M., Roberts, L.N., Cook, T.A., and Lewan, M.D., 2008, Assessment of Undiscovered Technically Recoverable Oil and Gas Resources of the Bakken Formation, Williston Basin, Montana and North Dakota, 2008 (Version 1.0): U.S. Geological Survey Open-File Report 2008-1353, 3 Plates - each 86 x 38 inches, https://doi.org/10.3133/ofr20081353.","productDescription":"3 Plates - each 86 x 38 inches","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"links":[{"id":196389,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12116,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1353/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -111,41 ], [ -111,49 ], [ -96,49 ], [ -96,41 ], [ -111,41 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abae4b07f02db672289","contributors":{"authors":[{"text":"Pollastro, R. 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Topographic surveys collected along geomorphic monitoring transects prior to these flows (May 2007, July 2007, and March 2008) were repeated in mid-June 2008. These surveys provide characterization of river topography that could be used (1) to infer changes in channel morphology that occurred as a result of this flow event, and (2) to aid in the determination of the effect of managed and natural flow events on habitats for endangered and threatened species in the Platte River basin. The primary purposes of this report are to summarize the methods of data collection, processing, and editing and to make the data described in the report publicly available.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ds380","collaboration":"Prepared in cooperation with the Platte River Recovery Implementation Program","usgsCitation":"Kinzel, P.J., 2008, River Channel Topographic Surveys Collected Prior to and Following Elevated Flows in the Central Platte River, Spring 2008 (Version 1.0): U.S. Geological Survey Data Series 380, Report: iv, 10 p.; Downloads Directory, https://doi.org/10.3133/ds380.","productDescription":"Report: iv, 10 p.; Downloads Directory","onlineOnly":"Y","additionalOnlineFiles":"Y","temporalStart":"2007-05-01","temporalEnd":"2008-06-30","costCenters":[{"id":434,"text":"National Research Program","active":false,"usgs":true}],"links":[{"id":196430,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12117,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/ds/380/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -100,40.5 ], [ -100,41 ], [ -98,41 ], [ -98,40.5 ], [ -100,40.5 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fce9e","contributors":{"authors":[{"text":"Kinzel, Paul J. 0000-0002-6076-9730 pjkinzel@usgs.gov","orcid":"https://orcid.org/0000-0002-6076-9730","contributorId":743,"corporation":false,"usgs":true,"family":"Kinzel","given":"Paul","email":"pjkinzel@usgs.gov","middleInitial":"J.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":301117,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70201406,"text":"70201406 - 2008 - Amidostomum and Epomidiostomum","interactions":[],"lastModifiedDate":"2023-10-20T18:38:34.03634","indexId":"70201406","displayToPublicDate":"2008-12-12T14:00:59","publicationYear":"2008","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"title":"Amidostomum and Epomidiostomum","docAbstract":"

No abstract available.

","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Parasitic diseases of wild birds","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Wiley-Blackwell","doi":"10.1002/9780813804620.ch20","usgsCitation":"Fedynich, A.M., and Thomas, N.J., 2008, Amidostomum and Epomidiostomum, chap. of Parasitic diseases of wild birds, p. 355-375, https://doi.org/10.1002/9780813804620.ch20.","productDescription":"21 p.","startPage":"355","endPage":"375","ipdsId":"IP-008087","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":360217,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c122c55e4b034bf6a8569e5","contributors":{"editors":[{"text":"Atkinson, Carter T. 0000-0002-4232-5335 catkinson@usgs.gov","orcid":"https://orcid.org/0000-0002-4232-5335","contributorId":1124,"corporation":false,"usgs":true,"family":"Atkinson","given":"Carter","email":"catkinson@usgs.gov","middleInitial":"T.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true},{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true},{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":754057,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Thomas, Nancy J. 0000-0002-0161-0391 nthomas@usgs.gov","orcid":"https://orcid.org/0000-0002-0161-0391","contributorId":1673,"corporation":false,"usgs":true,"family":"Thomas","given":"Nancy","email":"nthomas@usgs.gov","middleInitial":"J.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":false,"id":754058,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Hunter, D. Bruce","contributorId":99072,"corporation":false,"usgs":false,"family":"Hunter","given":"D.","email":"","middleInitial":"Bruce","affiliations":[],"preferred":false,"id":754059,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Fedynich, Alan M.","contributorId":211433,"corporation":false,"usgs":false,"family":"Fedynich","given":"Alan","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":754055,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thomas, Nancy J. 0000-0002-0161-0391 nthomas@usgs.gov","orcid":"https://orcid.org/0000-0002-0161-0391","contributorId":1673,"corporation":false,"usgs":true,"family":"Thomas","given":"Nancy","email":"nthomas@usgs.gov","middleInitial":"J.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":false,"id":754056,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70207217,"text":"70207217 - 2008 - Uncertainty and sensitivity issues in process-based models of carbon and nitrogen cycles in terrestrial ecosystems","interactions":[],"lastModifiedDate":"2022-05-18T16:34:21.455034","indexId":"70207217","displayToPublicDate":"2008-12-12T12:03:11","publicationYear":"2008","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"18","title":"Uncertainty and sensitivity issues in process-based models of carbon and nitrogen cycles in terrestrial ecosystems","docAbstract":"

Many process-based models of carbon (C) and nitrogen (N) cycles have been developed for northern forest ecosystems. These models are widely used to evaluate the long-term decisions in forest management dealing with effects like particulate pollution, productivity and climate change. Regarding climate change, one of the key questions that have sensitive political implications is whether northern forests will sequester atmospheric C or not. Whilst many process-based models have been tested for accuracy by evaluating or validating against observed data, few have dealt with the complexity of the incorporated procedures to estimate uncertainties associated with model predictions or the sensitivity of these predictions to input factors in a systematic, inter-model comparison fashion. In general, models differ in their underlying attempts to match natural complexities with assumed or imposed model structure and process formulations to estimate model parameters, to gather data and to address issues on scope, scale and natural variations. Uncertainties may originate from model structure, estimation of model parameters, data input, representation of natural variation and scaling exercises. Model structure relates to the mathematical representation of the processes modelled and the type of state variables that a model contains. The modelling of partitioning among above- and below-ground C and N pools and the interdependence among these pools remain a major source of uncertainty in model structure and error propagation. For example, most soil C models use at least three state variables to represent the different types of soil organic matter (SOM). This approach results in creating three artificial SOM pools, assuming that each one contains C compounds with the same turnover rate. In reality, SOM consists of many different types of C compounds with widely different turnover rates. Uncertainty in data and parameter estimates are closely linked. Data uncertainties are associated with high variations in estimating forest biomass, productivity and soil organic matter and their estimates may be incomplete for model initialisation, calibration, validation and sensitivity analysis of generalised predictor models. The scale at which a model is being used also affects the level of uncertainty, as the errors in the prediction of the C and N dynamics differ from site to landscape levels and across climatic regions. If the spatial or temporal scale of a model application is changed, additional uncertainty arises from neglecting natural variability in system variables in time and space. Uncertainty issues are also intimately related to model validation and sensitivity analysis. The estimation of uncertainties is needed to inform decision processes in order to detect the possible corridor of development. Uncertainty in this context is an essential measure of quality for stakeholder and decision makers.

","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Developments in integrated environmental assessment","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","publisherLocation":"Oxford","doi":"10.1016/S1574-101X(08)00618-2","usgsCitation":"Larocque, G.R., Bhatti, J.S., Gordon, A., Luckai, N., Wattenbach, M., Liu, J., C., P., Arp, P., Liu, S., Zhang, C., Komarov, A., Grabarnik, P., Sun, J., and White, T., 2008, Uncertainty and sensitivity issues in process-based models of carbon and nitrogen cycles in terrestrial ecosystems, chap. 18 of Developments in integrated environmental assessment, v. 3, p. 307-327, https://doi.org/10.1016/S1574-101X(08)00618-2.","productDescription":"21 p.","startPage":"307","endPage":"327","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"links":[{"id":370213,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"3","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Jakeman, A.J.","contributorId":12639,"corporation":false,"usgs":true,"family":"Jakeman","given":"A.J.","email":"","affiliations":[],"preferred":false,"id":777329,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Voinov, A.A.","contributorId":113598,"corporation":false,"usgs":true,"family":"Voinov","given":"A.A.","affiliations":[],"preferred":false,"id":777330,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Rizzoli, A.E.","contributorId":113184,"corporation":false,"usgs":true,"family":"Rizzoli","given":"A.E.","email":"","affiliations":[],"preferred":false,"id":777331,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"Chen, S. 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Current uncertainty in quantifying the global carbon budget remains a major contributing source of uncertainty in reliably projecting future climate change. Furthermore, quantifying the global carbon budget and characterising uncertainties have emerged as critical to a successful implementation of the United Nations Framework Convention on Climate Change and its Kyoto Protocol. Beyond fundamental quantification, attribution of the processes responsible for the so-called ‘residual terrestrial uptake’ is important to the carbon cycle communities' ability to simulate the future response of the terrestrial biosphere to climate change and intentional sequestration activities. The objective of this chapter is to describe the approaches to model-data fusion enabling continued advances in quantifying carbon cycling and the terrestrial mechanisms at work. The major impediments to advances in this field include accounting for climate variability and uncertainties in model outcomes. One proposed solution to overcome these obstacles is the use of data from the FLUXNET network to characterise the relative strength of climate impact on plant productivity and respiration. Other solutions involve the use of atmospheric CO2 concentration measurements for model validation and the use of remote sensing data.

","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Developments in integrated environmental assessment","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","publisherLocation":"Oxford","doi":"10.1016/S1574-101X(08)00619-4","usgsCitation":"Alexandrov, G., Chan, D., Chen, M., Gurney, K., Higuchi, K., Ito, A., Jones, C., Komarov, A., Mabuchi, K., Matross, D., Veroustraete, F., and Verstreten, W., 2008, Model-data fusion in studies of the terrestrial carbon sink, chap. 19 of Developments in integrated environmental assessment, v. 3, p. 329-344, https://doi.org/10.1016/S1574-101X(08)00619-4.","productDescription":"16 p.","startPage":"329","endPage":"344","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":370211,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"3","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Jakeman, A.J.","contributorId":12639,"corporation":false,"usgs":true,"family":"Jakeman","given":"A.J.","email":"","affiliations":[],"preferred":false,"id":777304,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Voinov, A.A.","contributorId":113598,"corporation":false,"usgs":true,"family":"Voinov","given":"A.A.","affiliations":[],"preferred":false,"id":777305,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Rizzoli, A.E.","contributorId":113184,"corporation":false,"usgs":true,"family":"Rizzoli","given":"A.E.","email":"","affiliations":[],"preferred":false,"id":777306,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"Chen, S. H.","contributorId":221190,"corporation":false,"usgs":false,"family":"Chen","given":"S.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":777307,"contributorType":{"id":2,"text":"Editors"},"rank":4}],"authors":[{"text":"Alexandrov, G.A.","contributorId":221173,"corporation":false,"usgs":false,"family":"Alexandrov","given":"G.A.","email":"","affiliations":[],"preferred":false,"id":777292,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chan, D.","contributorId":221174,"corporation":false,"usgs":false,"family":"Chan","given":"D.","email":"","affiliations":[],"preferred":false,"id":777293,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chen, M.","contributorId":73417,"corporation":false,"usgs":true,"family":"Chen","given":"M.","email":"","affiliations":[],"preferred":false,"id":777294,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gurney, K.","contributorId":24174,"corporation":false,"usgs":true,"family":"Gurney","given":"K.","affiliations":[],"preferred":false,"id":777295,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Higuchi, K","contributorId":221175,"corporation":false,"usgs":false,"family":"Higuchi","given":"K","email":"","affiliations":[],"preferred":false,"id":777296,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Ito, A","contributorId":221176,"corporation":false,"usgs":false,"family":"Ito","given":"A","email":"","affiliations":[],"preferred":false,"id":777297,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Jones, C.D.","contributorId":221177,"corporation":false,"usgs":false,"family":"Jones","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":777298,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Komarov, A","contributorId":221178,"corporation":false,"usgs":false,"family":"Komarov","given":"A","email":"","affiliations":[],"preferred":false,"id":777299,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Mabuchi, K","contributorId":221179,"corporation":false,"usgs":false,"family":"Mabuchi","given":"K","email":"","affiliations":[],"preferred":false,"id":777300,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Matross, D.M.","contributorId":221180,"corporation":false,"usgs":false,"family":"Matross","given":"D.M.","email":"","affiliations":[],"preferred":false,"id":777301,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Veroustraete, F","contributorId":221181,"corporation":false,"usgs":false,"family":"Veroustraete","given":"F","email":"","affiliations":[],"preferred":false,"id":777302,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Verstreten, W.W.","contributorId":221189,"corporation":false,"usgs":false,"family":"Verstreten","given":"W.W.","email":"","affiliations":[],"preferred":false,"id":777303,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70217332,"text":"70217332 - 2008 - A global search for stress shadows","interactions":[],"lastModifiedDate":"2021-01-15T21:38:12.537913","indexId":"70217332","displayToPublicDate":"2008-12-11T15:34:04","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6453,"text":"Journal of Geophysical Research Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"A global search for stress shadows","docAbstract":"

[1] Debate continues regarding the relative proportion of earthquakes triggered by passing seismic waves versus static stress changes from a main shock. Static stress changes are expected to have long‐term effects on earthquake probabilities, whereas dynamic stress changes due to the passing of seismic waves should not. Both mechanisms are expected to raise seismicity rates in some areas, but only static stress change calculations predict rate decrease shadows. Thus, identification of post‐main‐shock earthquake suppression is diagnostic of a static stress change process. We note that in principle, static stress change theory predicts suppression of particular earthquake mechanisms in a shadow zone rather than an overall rate reduction. A stress shadow can therefore be characterized by a change in the average earthquake focal mechanism before and after a main shock that results from suppression of a given mechanism type. We examined average mechanisms from ±2° radii and 5‐year periods before and after 119 Ms ≥ 7 main shock earthquakes drawn from the Harvard Centroid Moment Tensor (CMT) catalog. Significant average mechanism changes caused by earthquake suppression were found in only two cases. However, by stacking the data, we were able to resolve statistically significant suppression of particular post‐main‐shock focal mechanisms. This indicates that, while static stress shadows are subtle, they are indeed present in the global catalog.

","language":"English","publisher":"Wiley","doi":"10.1029/2007JB005336","usgsCitation":"Mallman, E.P., and Parsons, T., 2008, A global search for stress shadows: Journal of Geophysical Research Solid Earth, v. 113, no. B12, B12304, 16 p., https://doi.org/10.1029/2007JB005336.","productDescription":"B12304, 16 p.","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":476577,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2007jb005336","text":"Publisher Index Page"},{"id":382240,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"113","issue":"B12","noUsgsAuthors":false,"publicationDate":"2008-12-11","publicationStatus":"PW","contributors":{"authors":[{"text":"Mallman, Ellen P.","contributorId":247803,"corporation":false,"usgs":false,"family":"Mallman","given":"Ellen","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":808376,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parsons, Tom 0000-0002-0582-4338","orcid":"https://orcid.org/0000-0002-0582-4338","contributorId":22056,"corporation":false,"usgs":true,"family":"Parsons","given":"Tom","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":808377,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70236317,"text":"70236317 - 2008 - Strong tremor near Parkfield, CA, excited by the 2002 Denali Fault earthquake","interactions":[],"lastModifiedDate":"2022-09-01T16:14:06.639296","indexId":"70236317","displayToPublicDate":"2008-12-05T11:05:57","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Strong tremor near Parkfield, CA, excited by the 2002 Denali Fault earthquake","docAbstract":"

We show clear evidence of non-volcanic tremor triggered by 2002 Mw7.8 Denali Fault earthquake near Parkfield. Triggered tremor is identified as bursts of high-frequency (∼2–8 Hz), non-impulsive seismic energy whose envelope is coherent among many stations and has the same periodicity as the passing surface waves. The tremor originates from at least three hypocenters near the San Andreas fault with differing frictional regimes, two in the creeping section and the other where the San Andreas is transitional between creeping and locked. All the sources originate below the seismogenic zone, suggesting that transitional frictional properties are necessary conditions for tremor generation. Tremor is excited by the Love waves when the San Andreas is sheared in a right-lateral sense, encouraging slip, and is absent when the San Andreas is sheared in a left-lateral sense, consistent with a simple frictional response to the driving stress.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2008GL036080","usgsCitation":"Peng, Z., Vidale, J.E., Creager, K.C., Rubenstein, J.L., Gomberg, J.S., and Bodin, P., 2008, Strong tremor near Parkfield, CA, excited by the 2002 Denali Fault earthquake: Geophysical Research Letters, v. 35, no. 23, L23305, 5 p., https://doi.org/10.1029/2008GL036080.","productDescription":"L23305, 5 p.","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":476578,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2008gl036080","text":"Publisher Index Page"},{"id":406071,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Parkfield","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -120.48585891723631,\n 35.85469182123796\n ],\n [\n -120.35951614379881,\n 35.85469182123796\n ],\n [\n -120.35951614379881,\n 35.92506155900609\n ],\n [\n -120.48585891723631,\n 35.92506155900609\n ],\n [\n -120.48585891723631,\n 35.85469182123796\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"35","issue":"23","noUsgsAuthors":false,"publicationDate":"2008-12-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Peng, Zhigang","contributorId":69432,"corporation":false,"usgs":true,"family":"Peng","given":"Zhigang","affiliations":[],"preferred":false,"id":850590,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Vidale, John E.","contributorId":48850,"corporation":false,"usgs":true,"family":"Vidale","given":"John","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":850591,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Creager, Kenneth C.","contributorId":32810,"corporation":false,"usgs":true,"family":"Creager","given":"Kenneth","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":850592,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rubenstein, Justin L.","contributorId":296088,"corporation":false,"usgs":true,"family":"Rubenstein","given":"Justin","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":850593,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gomberg, Joan S. 0000-0002-0134-2606 gomberg@usgs.gov","orcid":"https://orcid.org/0000-0002-0134-2606","contributorId":1269,"corporation":false,"usgs":true,"family":"Gomberg","given":"Joan","email":"gomberg@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":850594,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Bodin, Paul","contributorId":104142,"corporation":false,"usgs":true,"family":"Bodin","given":"Paul","affiliations":[],"preferred":false,"id":850595,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":97119,"text":"ofr20081186 - 2008 - Watershed Regressions for Pesticides (WARP) for Predicting Annual Maximum and Annual Maximum Moving-Average Concentrations of Atrazine in Streams","interactions":[],"lastModifiedDate":"2012-03-08T17:16:31","indexId":"ofr20081186","displayToPublicDate":"2008-12-04T00:00:00","publicationYear":"2008","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":"2008-1186","title":"Watershed Regressions for Pesticides (WARP) for Predicting Annual Maximum and Annual Maximum Moving-Average Concentrations of Atrazine in Streams","docAbstract":"Regression models were developed for predicting annual maximum and selected annual maximum moving-average concentrations of atrazine in streams using the Watershed Regressions for Pesticides (WARP) methodology developed by the National Water-Quality Assessment Program (NAWQA) of the U.S. Geological Survey (USGS). The current effort builds on the original WARP models, which were based on the annual mean and selected percentiles of the annual frequency distribution of atrazine concentrations. Estimates of annual maximum and annual maximum moving-average concentrations for selected durations are needed to characterize the levels of atrazine and other pesticides for comparison to specific water-quality benchmarks for evaluation of potential concerns regarding human health or aquatic life.\r\n\r\nSeparate regression models were derived for the annual maximum and annual maximum 21-day, 60-day, and 90-day moving-average concentrations. Development of the regression models used the same explanatory variables, transformations, model development data, model validation data, and regression methods as those used in the original development of WARP. The models accounted for 72 to 75 percent of the variability in the concentration statistics among the 112 sampling sites used for model development. Predicted concentration statistics from the four models were within a factor of 10 of the observed concentration statistics for most of the model development and validation sites.\r\n\r\nOverall, performance of the models for the development and validation sites supports the application of the WARP models for predicting annual maximum and selected annual maximum moving-average atrazine concentration in streams and provides a framework to interpret the predictions in terms of uncertainty. For streams with inadequate direct measurements of atrazine concentrations, the WARP model predictions for the annual maximum and the annual maximum moving-average atrazine concentrations can be used to characterize the probable levels of atrazine for comparison to specific water-quality benchmarks. Sites with a high probability of exceeding a benchmark for human health or aquatic life can be prioritized for monitoring.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20081186","usgsCitation":"Stone, W.W., Gilliom, R.J., and Crawford, C.G., 2008, Watershed Regressions for Pesticides (WARP) for Predicting Annual Maximum and Annual Maximum Moving-Average Concentrations of Atrazine in Streams: U.S. Geological Survey Open-File Report 2008-1186, viii, 19 p., https://doi.org/10.3133/ofr20081186.","productDescription":"viii, 19 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":346,"text":"Indiana Water Science Center","active":true,"usgs":true}],"links":[{"id":195945,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12101,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2008/1186/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad7e4b07f02db68460e","contributors":{"authors":[{"text":"Stone, Wesley W. 0000-0003-0239-2063 wwstone@usgs.gov","orcid":"https://orcid.org/0000-0003-0239-2063","contributorId":1496,"corporation":false,"usgs":true,"family":"Stone","given":"Wesley","email":"wwstone@usgs.gov","middleInitial":"W.","affiliations":[{"id":27231,"text":"Indiana-Kentucky Water Science Center","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":346,"text":"Indiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301088,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gilliom, Robert J. rgilliom@usgs.gov","contributorId":488,"corporation":false,"usgs":true,"family":"Gilliom","given":"Robert","email":"rgilliom@usgs.gov","middleInitial":"J.","affiliations":[{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true}],"preferred":true,"id":301086,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Crawford, Charles G. 0000-0003-1653-7841 cgcrawfo@usgs.gov","orcid":"https://orcid.org/0000-0003-1653-7841","contributorId":1064,"corporation":false,"usgs":true,"family":"Crawford","given":"Charles","email":"cgcrawfo@usgs.gov","middleInitial":"G.","affiliations":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true},{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true}],"preferred":true,"id":301087,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ]}