How much fresh water is in the United States? It's a tough question, since most of the water is underground, accessible at ...

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 ...

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 the largest source of freshwater, one of the world's most precious natural resources and vital for crops and drinking water. It is found under our very feet in the cracks and pores in ...

COLUMBUS — The Ohio Department of Natural Resources has launched new online tools for water and land-use planning, groundwater management and resource development. Key tools include: • Water ...

While a drought may quickly become evident in inhabited regions that depend on regular rain, when remote parts of the world undergo a dry spell it might not become obvious for a long time, if ever. To ...

Depleted groundwater threatens communities, agriculture, and ecosystems in California’s Central Valley, which produces much of the nation’s fruit, vegetables, and nuts. But the same acres where ...