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Federal
USGS Water-Quality 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
Global Surface Summary of the Day - GSOD
National Oceanic and Atmospheric Administration, Department of Commerce —
Global Surface Summary of the Day is derived from The Integrated Surface Hourly (ISH) dataset. The ISH dataset includes global data obtained from the USAF Climatology... -
Federal
Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
Federal
NOAA NEXt-Generation RADar (NEXRAD) Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level III weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
1/3rd arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection NGDA
Department of the Interior —
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1/3 arc-second (approximately 10 m) resolution. The 3DEP data holdings serve as the elevation... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
USGS Water Use Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in... -
Federal
USGS Surface-Water 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
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
United States Climate Reference Network (USCRN) Quality Controlled Datasets
National Oceanic and Atmospheric Administration, Department of Commerce —
USCRN Products are available on public FTP and derived from the USCRN processed data. Available parameters include averages and calculated values for precipitation,... -
Federal
NCEP-NCAR Reanalysis 1
National Oceanic and Atmospheric Administration, Department of Commerce —
Data is from NCEP initialized reanalysis (4x/day). It consists of most variables interpolated to pressure surfaces from model (sigma) surfaces. -
Federal
Hydrologic landscape regions of the United States
Department of the Interior —
Hydrologic landscape regions (HLRs) in the United States were delineated by using geographic information system (GIS) tools and statistical methods including... -
Federal
Meteorological and oceanographic data collected from the National Data Buoy Center Coastal-Marine Automated Network (C-MAN) and moored (weather) buoys
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Data Buoy Center (NDBC) established the Coastal-Marine Automated Network (C-MAN) for the National Weather Service in the early 1980's. NDBC has installed... -
Federal
EnviroAtlas - Percent Urban Land Cover by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the percent urban land for each 12-digit hydrologic unit code (HUC) in the conterminous United States. For the purposes of this... -
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
GLDAS Noah Land Surface Model L4 monthly 0.25 x 0.25 degree V2.0 (GLDAS_NOAH025_M) 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
ICLUS v1.3 Estimated Percent Impervious Surface for the Conterminous USA
U.S. Environmental Protection Agency —
Climate and land-use change are major components of global environmental change with feedbacks between these components. The consequences of these interactions show... -
Federal
Attributes for NHDplus Catchments (Version 1.1) for the Conterminous United States: Population Density, 2000
Department of the Interior —
This data set represents the average population density, in number of people per square kilometer multiplied by 10 for the year 2000, compiled for every catchment of... -
Federal
Base-flow index grid for the conterminous United States
Department of the Interior —
This 1-kilometer raster (grid) dataset for the conterminous United States was created by i nterpolating base-flow index (BFI) values estimated at U.S. Geological... -
Federal
NOAA Climate Data Record (CDR) of SSM/I and SSMIS Microwave Brightness Temperatures, CSU Version 1 (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. Users should only use this version...