The global water cycle describes the circulation of water—a vital and dynamic substance—in its liquid, solid, and vapor phases as it moves through the atmosphere, the land, and the rivers, lakes, and ...
In August 1999, the U.S. Global Change Research Program (USGCRP) commissioned a panel of experts (referred to in this report as the Water Cycle Study Group, WCSG) to advise the USGCRP agencies on ...
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