Weighted average soil fine gravel fraction (2 mm to 5 mm) for the western USA
Dates
Original Data Basin Creation Date
2010-12-27 09:29:45
Original Data Basin Modified Date
2011-05-14 19:16:11
Summary
Derived from 1:250,000-scale USGS HUC 8 boundaries, this dataset represents the soil fine gravel fraction for the western USA. A weighted average was created for each HUC 8 watershed using approximate EMAP physical habitat substrate criteria. The values are expressed as percent by weight.
Summary
Derived from 1:250,000-scale USGS HUC 8 boundaries, this dataset represents the soil fine gravel fraction for the western USA. A weighted average was created for each HUC 8 watershed using approximate EMAP physical habitat substrate criteria. The values are expressed as percent by weight.