Upmanu Lall

Professor of Engineering, Columbia University

Expertise: Hydrology, Water resource systems



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Analysis of “What California’s Dam Crisis Says About the Changing Climate”

in The New York Times, by Noah Diffenbaugh

— 16 Feb 2017

Warm dry years followed by extremely wet years have always been part of the climate of California, but warming can worsen both extremes by increasing evaporation, which makes droug...