News | NASA: California Drought Causing Valley Land to Sink
Total subsidence in California's San Joaquin Valley for the period June 2007 to Dec. 2010 as measured by Japan's PALSAR satellite. Two large subsidence bowls are evident, centered on Corcoran and south of El Nido.
Credit: Canadian Space Agency/NASA/JPL-Caltech
As Californians continue pumping groundwater in response to the historic drought, the California Department of Water Resources today released a new NASA report showing land in the San Joaquin Valley is sinking faster than ever before, nearly 2 inches (5 centimeters) per month in some locations.
The report, Progress Report: Subsidence in the Central Valley, California, prepared for DWR by researchers at NASA's Jet Propulsion Laboratory, Pasadena, California, is available at:
http://water.ca.gov/groundwater/docs/NASA_REPORT.pdf (14 MB)
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