The aridity index is an invaluable tool used for estimating how dry (or how humid) a location is based on the precipitation and evapotranspiration occurring in the area. It is useful for predicting ...

Groundwater is a key resource for water users in California’s Central Valley, a major agricultural hub with an economic output of tens of billions of dollars annually. Surface deformation in the ...

BUFFALO, N.Y. -- When engineers conduct research on groundwater, the water that flows beneath Earth's surface, they usually think of "large-scale" as one watershed -- an area of land where all of the ...