American Geophysical Union

Distinguishing drought and water scarcity

Water resources can become strained by both natural factors such as drought and by human factors such as unsustainable use. Water resource managers can develop practices to reduce overuse of water resources, but they cannot ...

dateMar 15, 2013 in Environment
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How many lakes are there, and how big are they?

Because of the important role lakes play in regional and local biogeochemical cycling, including carbon storage and emissions, scientists need to know how many lakes of various sizes exist. However, determining the size distribution ...

dateFeb 11, 2013 in Earth Sciences
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