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Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA recent views
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It... -
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA recent views
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 surface... -
Map of Arsenic concentrations in groundwater of the United States recent views
The map graphic image at https://www.sciencebase.gov/catalog/file/get/63140561d34e36012efa2b7f?name=arsenic_map.png illustrates arsenic values, in micrograms per liter, for... -
Major land uses in the United States recent views
This is a polygon coverage of major land uses in the United States. The source of the coverage is the map of major land uses in the National Atlas, pages 158-159, which was... -
Groundwater depletion in the United States (1900-2008) recent views
A natural consequence of groundwater withdrawals is the removal of water from subsurface storage, but the overall rates and magnitude of groundwater depletion in the United... -
GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow recent views
This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322... -
USGS Streamgages Linked to the Medium Resolution NHD recent views
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of Alaska) have... -
Hydrologic landscape regions of the United States recent views
Hydrologic landscape regions (HLRs) in the United States were delineated by using geographic information system (GIS) tools and statistical methods including principal... -
Hydro-Climatic Data Network (HCDN) -- A USGS Streamflow Data Set for the U.S. for the Study of Climate Fluctuations recent views
A streamflow data set, which is specifically suitable for the study of surface-water conditions throughout the United States under fluctuations in the prevailing climatic... -
Water-level change, High Plains aquifer, 1995 to 2000 recent views
This raster data set represents water-level change in the High Plains aquifer of the United States from 1995 to 2000, in feet. The High Plains aquifer underlies 112.6 million... -
Attributes for NHDPlus Catchments (Version 1.1): Basin Characteristics, 2002 recent views
This data set represents basin characteristics, compiled for every catchment in NHDPlus for the conterminous United States. These characteristics are basin shape index, stream... -
Water-level change, High Plains aquifer, 2005 to 2009 recent views
This raster data set represents water-level change in the High Plains aquifer of the United States from 2005 to 2009, in feet. The High Plains aquifer underlies 112.6 million... -
Base-flow index grid for the conterminous United States recent views
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 Survey (USGS)... -
Tillage Practices in the Conterminous United States, 1989-2004--Datasets by Aggregated Watershed; ds573_tillage_lu01 recent views
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the Conservation... -
Water-level change, High Plains aquifer, 2000 to 2005 recent views
This raster data set represents water-level change in the High Plains aquifer of the United States from 2000 to 2005, in feet. The High Plains aquifer underlies 112.6 million... -
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Physiographic Provinces recent views
This dataset represents the area of each physiographic province (Fenneman and Johnson, 1946) in square meters, compiled for every catchment of NHDPlus for the conterminous... -
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: NLCD 2001 Imperviousness recent views
This data set represents the mean percent impervious surface from the Imperviousness Layer of the National Land Cover Dataset 2001 (LaMotte and Wieczorek, 2010), compiled for... -
Water-level change, High Plains aquifer, 1980 to 1995 recent views
This raster data set represents water-level change in the High Plains aquifer of the United States from 1980 to 1995, in feet. The High Plains aquifer underlies 112.6 million... -
Oblique Videos Taken During Low-Altitude Transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013 recent views
This dataset contains aerial oblique video segments from a Panasonic Lumix DMC-FZ200 (24x superzoom, variable focal length) and a Panasonic Lumix DMC-SZ7 (10x superzoom,... -
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Surficial Geology recent views
This data set represents the area of surficial geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source data set is...