11 datasets found
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Federal
Attributes for NHDPlus Catchments (Version 1.1): Basin Characteristics, 2002 recent views
Department of the Interior —
This data set represents basin characteristics, compiled for every catchment in NHDPlus for the conterminous United States. These characteristics are basin shape... -
Federal
Attributes for NHDPlus Catchments (Version 1.1)for the Conterminous United States: Contact Time, 2002 recent views
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
Attributes for NHDPlus Catchments (Version 1.1): Level 3 Nutrient Ecoregions, 2002 recent views
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 recent views
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
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: NLCD 2001 Imperviousness recent views
Department of the Interior —
This data set represents the mean percent impervious surface from the Imperviousness Layer of the National Land Cover Dataset 2001 (LaMotte and Wieczorek, 2010),... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Hydrologic Landscape Regions recent views
Department of the Interior —
This data set represents the area of Hydrologic Landscape Regions (HLR) compiled for every catchment of NHDPlus for the conterminous United States. The source data... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) in the Conterminous United States: Bedrock Geology recent views
Department of the Interior —
This data set represents the area of bedrock geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source... -
Federal
Attributes for NHDplus Catchments (Version 1.1) for the Conterminous United States: Population Density, 2000 recent views
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
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Surficial Geology recent views
Department of the Interior —
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... -
Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Level 3 Ecoregions recent views
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
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: STATSGO Soil Characteristics recent views
Department of the Interior —
This data set represents estimated soil variables compiled for every catchment of NHDPlus for the conterminous United States. The variables included are cation...
11 datasets found