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Folders: ROOT > ScienceBase Catalog > USGS Maryland, Delaware, and the District of Columbia Water Science Center > Public Data Releases > Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 4.0, August 2023) ( Show all descendants )

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__USGS Maryland, Delaware, and the District of Columbia Water Science Center
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____Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 4.0, August 2023)

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Select Regional Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as Level 3 EcoRegions, Physiographic Provinces, or Hydrologic Landscape Regions

Select Climate and Water Balance Model Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables from various USGS runoff models. Climate input variables as well as outputs such as runoff and actual evapotranspiration.

Select Hydrologic Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as topgraphic wetness index (TWI) or base flow index (BFI).

Select Climate Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as long term and monthly temperature and precipitation averages, days of measurable precipitation, firat and last freeze dates.

Select Soil Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables related to soil properties such as STATSGO or SSUROGO. For example, Hydrologic group or percent sand, silt, or clay.

Select Land Cover Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as Cropland Data Layer, National Land Cover Datasets and other historic landuse coverages such as NWALT.

Select Water Use Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Estimates of fresh water withdrawls.

Select Hydrologic Modification Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as tile drains, ditches, or irrigation.

Select Chemical Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Chemical, characteristics such as nitrogen, phosphorous, feritlizer, manure, or agricultural pesticide applications.

Select Population Infrastructure Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as decadal population and housing densities.

Select Best Management Practices Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Agricultural management practices designed to improve water quality.

Select Topgraphic Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as basin area, sinuosity, road crossings, or stream density.

Select Geologic Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States

Variables such as Hunt or Olson geologies, or Soller lithology.