This is a preview. Log in through your library . Abstract ABSTRACT In this study, a quasi-three-dimensional, variably saturated groundwater flow model was developed by approximately dividing the three ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Groundwater flow modelling is a critical tool in the management and protection of water resources, especially in the context of both confined and unconfined aquifers. Confined aquifers, bounded by ...

Farmers near Meeker, in northwestern Colorado, have been diverting water from the White River to flood their fields for ...

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 ...

In 2015, the Gold King Mine, a historic mine that was a toxic waste site, was being excavated by the EPA to begin the long process of cleaning up acid waste that had collected within the historic mine ...

While folks out on the West Coast continue to face water restrictions amid an ongoing drought, here in Michigan residents have the opposite problem—what we might call a “water surplus.” Now, a group ...

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 ...

Columbia County officials have a way of knowing — by science, not just by instinct — exactly where all the county’s groundwater is, where it’s going and how it’s affected by the land on top of it. But ...

A research team studied the hydrogeology of aquifers in a Mediterranean climate. They found that, contrary to popular belief, rivers do not act as insurmountable barriers for groundwater flow. The ...

Dr. Seunghak Lee, Jaeshik Chung, and Sang Hyun Kim of the Water Resources Cycle Research Center at the Korea Institute of ...