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Filters: Tags: James River (X) > partyWithName: James Falcone (X)

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This dataset contains watershed means of estimated percent impervious surfaces for three time periods: 1992, 2002, and 2012. Estimates are based on coefficients derived from comparing land use of the 2012 NAWQA Wall-to-wall Anthropogenic Land-use Trends (NWALT) product to the 2011 National Land Cover Database (NLCD) imperviousness, then applying those coefficients to previous years (1974-2002) of the NWALT dataset.
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This dataset contains values of normal reservoir storage in units of acre-feet per km2, for three time periods: 1992, 2002, and 2012. Values are derived from a slightly-modified version of the National Inventory of Dams (NID) 2013 dataset, for which approximately 10% of records had the dam completion date estimated.
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This dataset contains values of soils, climate, hydrologic, topographic, and other geographic characteristics such as drainage area. These are considered "static" characteristics, which do not change over the time period of this study.
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This dataset provides estimates of annual and seasonal precipitation for selected Chesapeake Bay watersheds. Season 1 is November-February; season 2 is March-June; and season 3 is July-October.
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The dataset contains estimates for total nitrogen and total phosphorus loads from point sources, combined sewer overflows, wastewater treatment plants that discharge to surface water for selected Chesapeake Bay watersheds. For source information, please refer to the process steps in this metadata report.
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These data report the percent of agricultural land, within each selected Chesapeake Bay watershed, that is enrolled in the Conservation Reserve Program (CRP), based on county-level data for each year from the U.S. Department of Agriculture Farm Service Agency.
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This dataset contains values of the Palmer Hydrological Drought Index (PHDI) for annual and seasonal periods from 1985-2012. Values are derived from data based on National Climatic Data Center (NCDC) climate divisions, of which there are 344 in the U.S.


    map background search result map search result map Nutrient contributions from point sources, combined sewer overflows, and wastewater treatment plants for selected Chesapeake Bay watersheds Percent of land in agricultural production and developed for selected Chesapeake Bay watersheds Seasonal precipitation for selected Chesapeake Bay watersheds Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds Reservoir storage for selected Chesapeake Bay watersheds Percent impervious surface for selected Chesapeake Bay watersheds Percent agricultural land enrolled in the Conservation Reserve Program for selected Chesapeake Bay watersheds Nutrient contributions from point sources, combined sewer overflows, and wastewater treatment plants for selected Chesapeake Bay watersheds Percent of land in agricultural production and developed for selected Chesapeake Bay watersheds Seasonal precipitation for selected Chesapeake Bay watersheds Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds Reservoir storage for selected Chesapeake Bay watersheds Percent impervious surface for selected Chesapeake Bay watersheds Percent agricultural land enrolled in the Conservation Reserve Program for selected Chesapeake Bay watersheds