SPARROW Regions
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Detailed Description
The regions delineated for collection of streamflow and constituent load data for use in Spatially Referenced Regressions on Watershed Attributes (SPARROW) models in the conterminous United States
Sources/Usage
Public Domain.
USGS Scientific Investigations Report 2019-5069
Figure 1, Estimates of Long-Term Mean Daily Streamflow and Annual Nutrient and Suspended-Sediment Loads Considered for Use in Regional SPARROW Models of the Conterminous United States, 2012 Base Year