Written and edited by leading worldwide authorities in the field, and comprising nearly 200 substantial articles, the Encyclopedia provides detailed, informed c

The fresh water supplies of the Earth are finite and as the world's population continues to grow humanity's thirst for this water seems unquenchable. Intense pr

The earth’s cryosphere, which includes snow, glaciers, ice caps, ice sheets, ice shelves, sea ice, river and lake ice, and permafrost, contains about 75% of t

Hydrologyâ€"the science of waterâ€"is central to our understanding of the global environment and its many problems. Opportunities in the Hydrologic Scienc