Watersheds of the World

This animation shows the weekly average flow from the world's largest watersheds over the course of the year. Place your cursor over one of the boxes to learn more about the factors that govern seasonal flows or the human actions that affect water quality of rivers and coastal waters in each of the regions.

Animation produced by Martin Burch and Katherine Joyce, WHOI

Maps by Greg Fiske, Woods Hole Research Center

Text by Bernhard Peucker-Ehrenbrink and Ken Kostel, WHOI

Data provided by the Global Runoff Data Centre

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