[Ed. – Note to outlanders: the people of the Central Valley don’t actually deserve this. The bad management that has brought it on was instituted by leftists voted in on the coast. Big swaths of California are peopled by sensible voters who would have handled the state’s need to upgrade infrastructure much better.]
NASA’s Jet Propulsion Lab has released new research revealing that huge swaths of the Central Valley are sinking at the rate of up to two inches per month due to accelerating groundwater pumping in the fourth year of the California drought.
In a report sponsored by the Department of Water Resources and titled “Progress Report: Subsidence in the Central Valley, California,” the Jet Propulsion Lab analyzed time series satellite data from Japan’s PALSAR and Canada’s Radarsat-2 geosynchronous satellites to produce subsidence maps. High-resolution InSAR data were also acquired along the California Aqueduct by NASA’s Uninhabited Aerial Vehicle Synthetic Aperture Radar to identify and quantify new, highly localized areas of accelerated subsidence along the aqueduct. …
Sinking land has occurred for decades in the Central Valley during the state’s cyclical droughts, but this year has been especially severe due to the well depths being drilled in the fourth year of drought. Corcoran, in the Tulare basin, sank 13 inches during an eight-month period, and a section near the California Aqueduct sank 8 inches in just four months last year.
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