216 datasets found
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Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: National Land Cover Database 2011 (NLCD 2011)
Department of the Interior —
This tabular data set represents the percent of land cover classes from the 2011 National Land Cover Dataset compiled for two spatial components of the NHDPlus... -
Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
Federal
Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States
Department of the Interior —
This metadata record describes a series of data sets of natural and anthropogenic landscape features linked to NHDPlus Version 2.1’s (NHDPlusV2) approximately 2.7... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean Day of the Year of Last Freeze, from 30 Years of Record (1961-1990)
Department of the Interior —
This tabular data set represents the mean Julian year day of the year of the last freeze, from 30 years of record (1961-1990) compiled for two spatial components of... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: PRISM 30 year (1971-2000) Monthly Average Temperature (degrees Celsius)
Department of the Interior —
These tabular data sets represent mean 30 year (1971-2000) monthly temperature (degrees Celsius) data from 800 meter resolution PRISM for two spatial components of... -
Federal
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Department of the Interior —
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year Average (1961-1990) of Maximum Monthly Number of Days of Measurable Precipitation
Department of the Interior —
This tabular data set represents 30 year average (1961-1990) of maximum monthly number of days of measurable precipitation per month compiled for two spatial... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Surficial Geology
Department of the Interior —
This tabular data set represents the area of surficial geology types in square meters compiled for every MRB_E2RF1 catchment of selected Major River Basins (MRBs,... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated Area of Agricultural Land Drained by Field Ditches, 1992
Department of the Interior —
This tabular data set represents the estimated percent area of agricultural land drained by field ditches for the year 1992 compiled for two spatial components of the... -
Federal
Nutrient loading, flushing rate, and lake morphometry data used to identify trophic states in selected watersheds of the eastern and southeastern United States
Department of the Interior —
For State agencies and other water-resources managers, determining which waterbodies to allocate limited funds for protection and restoration while also maximizing... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: NLCD 2001 Imperviousness
Department of the Interior —
This tabular data set represents the mean percent impervious surface from the Imperviousness Layer of the National Land Cover Dataset 2001, (LaMotte and Wieczorek,... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2006 Percent Imperviousness
Department of the Interior —
This tabular data set represents NLCD 2006 percent imperviousness compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the... -
Federal
Application of hierarchical Bayesian methods to a spatially explicit model of long-term mean annual streamflow for the conterminous United States
Department of the Interior —
The data release documents the application of hierarchical Bayesian methods to a previously developed hybrid (statistical-mechanistic) SPARROW (SPAtially Referenced... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated 30-Year (1971-2000) Average Annual Runoff Based on Flow Measured at Streamgages, Millimeters per Year
Department of the Interior —
This tabular data set represents estimated 30-year (1971-2000) average annual runoff in millimeters per year compiled for two spatial components of the NHDPlus... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Generalized Geology Type (Reed and Bush, 2001)
Department of the Interior —
This tabular data set represents Dominant geology type (Reed and Bush, 2001) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean Julian Day of the Year of First Freeze, from 30 Years of Record (1961-1990)
Department of the Interior —
This tabular data set represents the mean Julian year day of the year of the first freeze, from 30 years of record (1961-1990) compiled for two spatial components of... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Annual Average Potential Evapotranspiration (millimeters) from 2014 - 2015
Department of the Interior —
This tabular data set represents annual average potential evapotranspiration values (millimeters) described in Wolock and McCabe (2017), compiled for the NHDPlus... -
Federal
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Level 3 Nutrient Ecoregions, 2002
Department of the Interior —
This tabular data set represents the area of each level 3 nutrient ecoregion in square meters compiled for every MRB_E2RF1 catchment of the Major River Basins (MRBs,... -
Federal
Arid land irrigation in the United States Pacific Northwest for 2001
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the extent of arid land irrigation in the Pacific Northwest region of the United... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Population Density from U.S. Block-Level Population Density Rasters for 2000
Department of the Interior —
This tabular data set represents population density, persons per square kilometer from 2000Census block level data, processed by James Falcone (USGS, 2016), compiled...
216 datasets found