California drying out

Offering another perspective on the ongoing drought in the western U.S., NASA recently released this three-panel image illustrating relative water loss from California’s Central Valley between 2002 and 2014 based on data from the Gravity Recovery and Climate Experiment (GRACE) satellites (hot colors indicate greater loss).

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Timothy Oleson

Timothy Oleson

Tim is the news editor at EARTH, and writes the Bare Earth Elements blog. His scientific interests span the geosciences from biogeochemistry to seismology to space science. Formerly based in Madison, Wis., he now resides in the Washington, D.C., area.

Tuesday, February 3, 2015 - 06:00