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Federal
Safe Drinking Water Information System (SDWIS)
U.S. Environmental Protection Agency —
The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations. -
Federal
USGS Groundwater Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Beach Advisory and Closing Online Notification (BEACON) system
U.S. Environmental Protection Agency —
Beach Advisory and Closing Online Notification system (BEACON) is a colletion of state and local data reported to EPA about beach closings and advisories. BEACON is... -
Federal
EnviroAtlas - Cultivated biological nitrogen fixation in agricultural lands by 12-digit HUC in the Conterminous United States, 2006
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on the mean cultivated biological nitrogen fixation (C-BNF) in cultivated crop and hay/pasture lands per 12-digit Hydrologic... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Level 3 Ecoregions
Department of the Interior —
This data set represents the estimated area of level 3 ecological landscape regions (ecoregions), as defined by Omernik (1987), compiled for every catchment of... -
Federal
NLDAS Secondary Forcing Data L4 Hourly 0.125 x 0.125 degree V2.0 (NLDAS_FORB0125_H) at GES DISC
National Aeronautics and Space Administration —
This data set contains the secondary forcing hourly data "File B" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th... -
Federal
NLDAS Mosaic Land Surface Model L4 Monthly 0.125 x 0.125 degree V2.0 (NLDAS_MOS0125_M) at GES DISC
National Aeronautics and Space Administration —
This data set contains thirty-seven fields simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: NLCD 2001 Land Use and Land Cover
Department of the Interior —
This data set represents the estimated area of land use and land cover from the National Land Cover Dataset 2001 (LaMotte, 2008), compiled for every catchment of... -
Federal
NLDAS VIC Land Surface Model L4 Monthly Climatology 0.125 x 0.125 degree V2.0 (NLDAS_VIC0125_MC) at GES DISC
National Aeronautics and Space Administration —
This data set contains a series of land surface parameters simulated from the VIC land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation... -
Federal
GLDAS Noah Land Surface Model L4 3 hourly 0.25 x 0.25 degree V2.0 (GLDAS_NOAH025_3H) at GES DISC
National Aeronautics and Space Administration —
NASA Global Land Data Assimilation System Version 2 (GLDAS-2) has three components: GLDAS-2.0, GLDAS-2.1, and GLDAS-2.2. GLDAS-2.0 is forced entirely with the... -
Federal
NLDAS Secondary Forcing Data L4 Monthly 0.125 x 0.125 degree V2.0 (NLDAS_FORB0125_M) at GES DISC
National Aeronautics and Space Administration —
This data set contains the monthly secondary forcing data "File B" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th... -
Federal
NLDAS Noah Land Surface Model L4 Monthly 0.125 x 0.125 degree V2.0 (NLDAS_NOAH0125_M) at GES DISC
National Aeronautics and Space Administration —
This data set contains fifty-two fields simulated from the Noah land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2).... -
Federal
Attributes for NHDPlus Catchments (Version 1.1)for the Conterminous United States: Contact Time, 2002
Department of the Interior —
This data set represents the average contact time, in units of days, compiled for every catchment of NHDPlus for the conterminous United States. Contact time, as... -
Federal
NLDAS VIC Land Surface Model L4 Monthly 0.125 x 0.125 degree V2.0 (NLDAS_VIC0125_M) at GES DISC
National Aeronautics and Space Administration —
This data set contains forty-three fields simulated from the VIC land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2).... -
Federal
Attributes for NHDPlus Catchments (Version 1.1): Level 3 Nutrient Ecoregions, 2002
Department of the Interior —
This data set represents the area of each level 3 nutrient ecoregion in square meters, compiled for every catchment of NHDPlus for the conterminous United States. The... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Physiographic Provinces
Department of the Interior —
This dataset represents the area of each physiographic province (Fenneman and Johnson, 1946) in square meters, compiled for every catchment of NHDPlus for the... -
Federal
NLDAS Primary Forcing Data L4 Monthly Climatology 0.125 x 0.125 degree V2.0 (NLDAS_FORA0125_MC) at GES DISC
National Aeronautics and Space Administration —
This data set contains the monthly climatology data of the primary forcing data for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data... -
Federal
NLDAS Primary Forcing Data L4 Monthly 0.125 x 0.125 degree V2.0 (NLDAS_FORA0125_M) at GES DISC
National Aeronautics and Space Administration —
This data product contains the monthly primary forcing data "File A" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th... -
Federal
NLDAS Mosaic Land Surface Model L4 Hourly 0.125 x 0.125 degree V2.0 (NLDAS_MOS0125_H) at GES DISC
National Aeronautics and Space Administration —
This data set contains thirty-eight fields simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System... -
Federal
NLDAS Mosaic Land Surface Model L4 Monthly Climatology 0.125 x 0.125 degree V2.0 (NLDAS_MOS0125_MC) at GES DISC
National Aeronautics and Space Administration —
This monthly climatology data set contains a series of land surface parameters simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American...