Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for irrigation tailwater recovery (gwava-dw_twre)
This data set represents the area of National Resources
Inventory irrigation system, tailwater recovery conservation
practice, in square kilometers, in the conterminous United
States.
The data set was used as an input data layer for a national
model to predict nitrate concentration in ground water used for
drinking. …