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 ...

Warming temperatures and increased precipitation in the Canadian High Arctic are mobilizing new pathways for subsurface ...

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 ...

Ecology and Society, Vol. 12, No. 2 (Dec 2007) (19 pages) ABSTRACT. We couple two spatial-temporal models, a backcast land-use change model and a groundwater flow model, to develop what we call ...

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 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 ...

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 ...

Mars was once a wet world. The geological record of the Red Planet shows evidence for water flowing on the surface -- from river deltas to valleys carved by massive flash floods. But a new study shows ...

MANILA, Philippines - Groundwater in the Philippines may be depleted by the year 2050, a University of the Philippines professor said in a report based on a study that started in 2006. After ...