Âé¶¹´«Ã½

Earth

Dams linked to more extreme weather

16 December 2009

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Influencing the weather

(Image: J.C Dahlig/Bereau of Reclamation)

DAM-BUILDERS: be careful when you create a reservoir because bigger storms and flooding could be on the way. That’s the warning from an analysis of more than 600 dams, many of which have brought more extreme rainfall.

The idea that large bodies of water might influence rainfall is not new. But until now, no one had studied the effect of large dams and their reservoirs.

of Tennessee Technological University in Cookeville and colleagues looked at the magnitude of the biggest storms near 633 of the world’s largest dams before…

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