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Filters Date Range Past year (15) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey California Water Science Center Water Resources Zeno F. Levy U.S. Geological Survey - ScienceBase More... Categories pre-SM502.8 (6) Data (1) Tag Schemes Geographic Names Information System (15) Common geographic areas (5) None (5) Tags (with Type=Place ) conterminous united states (8) california (6) lake county (2) lakeport (2) ada-vamoosa aquifer (1) conterminous u.s. (1) counties of the conterminous u.s. (1) More... View Results as: JSON ATOM CSV

California Coastal Basin aquifers These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the extent of the California Coastal Basin aquifers in California. Tags: Ada-Vamoosa Aquifer, NSDI, Oklahoma, USGS Science Data Catalog (SDC), aquifer, All tags... aquifer extent, environment, geoscientificInformation, groundwater, inlandWaters, inlandWaters, Fewer tags Hydrogeologic Provinces for California based upon established groundwater basins and watershed polygons. These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Ten hydrogeologic provinces of California are represented by a region- class feature called "provinces" within this digital data set. These provinces were identified and defined in the USGS Water Resource Investigation Report (WRIR) 03-4166 (Belitz and others, 2003) titled, "Framework for a Ground-water Quality Monitoring and Assessment Plan for California". Hydrogeologic provinces are generalized areas where hydrology and/or geology... Tags: California, California, Ground water basins, NSDI, USGS Science Data Catalog (SDC), All tags... environment, geologic province, geoscientificInformation, hydrogeologic provinces, hydrogeology, inlandWaters, inlandWaters, Fewer tags Estimates of the Soil Restrictive Layer in the Upper 25,35,45, and 55 centimeters of agricultural land in the conterminous United States These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset consists of four national 1-kilometer (km) resolution rasters of the estimated percent presence of the soil restrictive layer (SRL) in the upper 25, 35, 45, and 55 centimeters of agricultural land. These rasters were developed from selected criteria of soil parameters from the Soil Survey Geographical (SSURGO) database and mapped agricultural land from the National Land Cover Database 2001 (NLCD 2001), version 2. Tags: Conterminous United States, NAWQA, NSDI, National Water Quality Assessment Program, SRL, All tags... SSURGO, Soil Survey Geographic Database, USGS Science Data Catalog (SDC), WARP, Watershed Regressions for Pesticides (model), agricultural land, inlandWaters, soil restrictive layer, Fewer tags Drainage Basins Used for Assessing Trends in Concentration of Pesticides in Streams of the United States, 1992-2010 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset consists of drainage basin boundaries for 212 U.S. Geological Survey (USGS) stream sites sampled in the National Water-Quality Assessment (NAWQA) Program, the National Stream Quality Accounting Network (NASQAN), and the National Monitoring Network (NMN). Of the 212 sites, 206 have either a contributing or total drainage basin boundary, and the remaining 6 have both a total drainage basin boundary and a smaller contributing... Tags: Conterminous United States, Geoscientific Information, Inland Waters, NASQAN, NAWQA, All tags... NMN, NSDI, National Monitoring Network, National Stream Quality Accounting Network, National Water-Quality Assessment, USGS Science Data Catalog (SDC), basin boundary, catchment, drainage area, drainage basin, pesticides, river basin, water quality, Fewer tags Grids of Agricultural Pesticide Use in the Conterminous United States, 1997 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This spatial dataset consists of 219 1-kilometer (km) resolution grids depicting estimated agricultural use of 219 pesticides in 1997 for the conterminous United States. Each grid cell value in the national grids of this dataset is the estimated total kilograms (kg) of a pesticide applied to row crops, small grain crops and fallow land, pasture and hay crops, and orchard and vineyard crops within the 1- by 1-km area. Nonagricultural... Tags: Conterminous United States, NSDI, National Water Quality Assessment (NAWQA) Program, USGS Science Data Catalog (SDC), agricultural, All tags... defoliant, environment, fumigant, fungicide, geoscientificInformation, growth regulator, herbicide, inlandWaters, inlandWaters, insecticide, pesticide, Fewer tags 1997 County Pesticide Use Estimates for 220 Compounds These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset includes information for 220 pesticides on the average amount (pounds) applied to 87 agricultural crops and the acres of crops treated for counties within the conterminous United States. These data were derived by combining published state pesticide use coefficients published by the National Center for Food and Agricultural Policy (NCFAP) and county harvested crop acres available from the 1997 Census of Agriculture.... Tags: Census of Agriculture, Conterminous United States, NAWQA, NSDI, National Water Quality Assessment Program, All tags... USGS Science Data Catalog (SDC), agricultural pesticide use, agriculture, environment, fumigants, fungicide, geoscientificInformation, harvested crop acres, herbicide, inlandWaters, inlandWaters, insecticide, Fewer tags Annual county atrazine use estimates for agriculture, 1992-2007 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set contains annual county-level estimates of total atrazine use on 16 agricultural crops and four agricultural land uses between 1992 and 2007. For each year, atrazine use was estimated for all counties in the conterminous U.S. (except California) by combining (1) proprietary data from the DMRKynetec (DMRK) AgroTrak database on the mass of atrazine applied annually to agricultural crops, (2) county harvested crop acreage,... Tags: Conterminous U.S., NSDI, USGS Science Data Catalog (SDC), agricultural pesticide use, atrazine, All tags... corn herbicides, counties of the conterminous U.S., crop management, herbicides, inlandWaters, Fewer tags Soils chemistry from selected sites in Lakeport, Lake County, California This data-release component documents chemical analyses of soil samples collected by the U.S. Geological Survey (USGS) in Lakeport (Lake County, California) on July 12, 2022. Environmental samples were collected at selected sites in Lakeport to assess the effects of lead-based paint on soil chemistry. This sampling was made as part of a broader study to attribute sources of lead in soils in cooperation with the California Department of Toxic Substances Control (DTSC) for their Lead-Acid Battery Recycling Facility Investigation and Cleanup (LABRIC) program. A total of five soil samples plus one replicate across four properties were collected proximal to selected structures suspected to have legacy coatings of lead-based... Tags: California, Lake County, Lakeport, environment, geoscientificInformation, All tags... health, lead, soil chemistry, Fewer tags Northern California volcanic-rock aquifers These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the extent of the Northern California volcanic-rock aquifers in California. Categories: pre-SM502.8; Tags: California, NSDI, USGS Science Data Catalog (SDC), aquifer, aquifer extent, All tags... environment, geoscientificInformation, groundwater, inlandWaters, inlandWaters, Fewer tags 1992 County Pesticide Use Estimates for 200 Compounds These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This dataset includes information for 200 pesticides on the average amount (pounds) applied to 87 agricultural crops and the acres of crops treated for counties within the conterminous United States. These data were derived by combining published state pesticide use coefficients published by the National Center for Food and Agricultural Policy (NCFAP) and county harvested crop acres available from the 1992 Census of Agriculture.... Categories: pre-SM502.8; Tags: Census of Agriculture, Conterminous United States, NAWQA, NSDI, National Water Quality Assessment Program, All tags... USGS Science Data Catalog (SDC), agricultural pesticide use, agriculture, environment, fumigants, fungicide, geoscientificInformation, harvested crop acres, herbicide, inlandWaters, inlandWaters, insecticide, Fewer tags Drainage Basins used for Development of the Watershed Regressions for Pesticides (WARP) Model These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set consists of 204 drainage basin boundaries for U.S. Geological Survey's (USGS) stream sites sampled in the National Water Quality Assessment (NAWQA) Program and the National Stream Quality Accounting Network (NASQAN). These drainage basin boundaries are used to generate watershed characteristics for the development of water-quality models. The basin boundaries were collected from USGS hydrologists and geographers from... Categories: pre-SM502.8; Tags: Conterminous United States, NASQAN, NAWQA, NSDI, National Stream Quality Accounting Network, All tags... National Water Quality Assessment, USGS Science Data Catalog (SDC), WARP, Watershed Regressions for Pesticides model, basin boundary, catchment, drainage area, drainage basin, environment, geoscientificInformation, inlandWaters, inlandWaters, regression model, river basin, watershed, Fewer tags Grids of Agricultural Pesticide Use in the Conterminous United States, 1992 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This spatial dataset consists of 199 1-kilometer (km) resolution grids depicting estimated agricultural use of 199 pesticides in 1992 for the conterminous United States. Each grid cell value in the national grids of this dataset is the estimated total kilograms (kg) of a pesticide applied to row crops, small grain crops and fallow land, pasture and hay crops, and orchard and vineyard crops within the 1- by 1-km area. Nonagricultural... Categories: pre-SM502.8; Tags: Conterminous United States, NSDI, National Water Quality Assessment (NAWQA) Program, USGS Science Data Catalog (SDC), agricultural, All tags... defoliant, environment, fumigant, fungicide, geoscientificInformation, growth regulator, herbicide, inlandWaters, inlandWaters, insecticide, pesticide, Fewer tags Drainage Basins used for Development of the Watershed Regressions for Pesticides (WARP) Model, 2012 These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set contains 204 drainage basin boundaries for U.S. Geological Survey (USGS) stream sites analyzed in the Watershed Regressions for Pesticides (WARP) model. This dataset supercedes version 1.0 released in April 2010, and consists of revisions to 26 basin boundaries. Categories: pre-SM502.8; Tags: Conterminous United States, NAWQA, NSDI, National Water Quality Assessment, USGS Science Data Catalog (SDC), All tags... WARP, Watershed Regressions for Pesticides model, basin, basin boundary, catchment, drainage area, drainage basin, environment, geoscientificInformation, inlandWaters, inlandWaters, regression model, river basin, Fewer tags Central Valley aquifer system These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set represents the extent of the Central Valley aquifer system in California. Categories: pre-SM502.8; Tags: California, NSDI, USGS Science Data Catalog (SDC), aquifer, aquifer extent, All tags... environment, geoscientificInformation, groundwater, inlandWaters, inlandWaters, Fewer tags Erodibility Data from Gust Erosion Chamber Experiments in Grizzly Bay and San Pablo Bay, California, Winter 2020 A Gust erosion chamber was used to apply horizontal shear stress to sediment cores obtained from San Pablo and Grizzly (within Suisun) Bays in California. A pair of sediment cores were collected from the same approximate locations in each bay five times between January 22nd, 2020 and March 11th, 2020 for a total of 10 experiments and 20 sediment core results. Locations were chosen to capture the benthic variability along the estuarine salinity gradient, are established benthic monitoring stations, proximity to historic/restored wetlands, and practicality for field operations. Sampling dates targeted spring and neap tide conditions. An onshore experiment was conducted on each core to apply shear stresses with stepwise... Categories: Data; Tags: CAWSC, California, California Water Science Center, Fine Unconsolidated Substrate, Grizzly Bay, All tags... Gust chamber, San Francisco Bay, San Pablo Bay, USGS Science Data Catalog (SDC), USGS-CC California Bay Delta, Water Resources, erosion, grab sampling, micro-erosion, oceans, sea-floor characteristics, sediment, sediment erosion, sediment transport, unconsolidated deposits, Fewer tags Field portable X-ray fluorescence and associated quality-control data for paint chips sampled from selected sites in Lakeport, Lake County, California This data -release component documents field portable X-ray fluorescence (pXRF) measurements of lead and associated quality-control data for 19 samples of paint chips collected from structures suspected to have legacy coatings of lead-based paint in Lakeport (Lake County, California) during July 11-12, 2022. Environmental samples were collected at selected sites to assess the effects of lead-based paint on soil chemistry. This sampling was made as part of a broader study to attribute sources of lead in soils in cooperation with the California Department of Toxic Substances Control (DTSC) for their Lead-Acid Battery Recycling Facility Investigation and Cleanup (LABRIC) program. Lead concentrations for paint chips... Tags: California, Lake County, Lakeport, Paint, environment, All tags... geoscientificInformation, health, lead, soil chemistry, x-ray fluorescence, Fewer tags