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 ...

Powerful pulses of groundwater flow up from beneath Lakes Michigan and Huron, which together form one of the largest ...

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 ...

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 ...

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 ...

Farmers near Meeker, in northwestern Colorado, have been diverting water from the White River to flood their fields for irrigation for more than 100 years. Using a series of irrigation ditches, they ...

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 ...

Silica (SiO₂) concentration of water increases with contact time between the water and subsurface silica-bearing minerals. SiO₂ can thus be used as a natural tracer to investigate the different water ...

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 ...