Tag: subsidence
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California’s Key Step Toward Sustainable Groundwater Management
Image: logo of California’s Department of Water Resources (DWR) Critically overdrafted groundwater basins are required to submit groundwater sustainability plans to the state by January 31, 2020 that outline how the basins will reach sustainability over the next 20 years Local agencies representing 19 of the state’s most stressed groundwater basins are required to submit…
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Animation of Satellite Data Shows SoCal “Breathing” Water
Credit: Bryan Riel and Mark Simons Using an unprecedented number of satellite radar images, geophysicists at Caltech have tracked how the ground in Southern California rises and falls as groundwater is pumped in and out of aquifers beneath the surface. Their findings are presented in a study that tracks deformation of the earth’s surface over…
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Sinking land, poisoned water: the dark side of California’s mega farms
Farm fields along the path of the California aqueduct in the Central Valley, a region that produces a quarter of the nation’s food. Photograph: Lucy Nicholson/Reuters The floor of the Central Valley is slumping, and there is arsenic in the tap water. Now it seems the two problems are connected Isabel Solorio can see the…
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The Valley floor is sinking, and it’s crippling California’s ability to deliver water
Completed during Harry Truman’s presidency, the Friant-Kern Canal has been a workhorse in California’s elaborate man-made water-delivery network. It’s a low-tech concrete marvel that operates purely on gravity, capable of efficiently piping billions of gallons of water to cities and farms on a 152-mile journey along the east side of the fertile San Joaquin Valley.…
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Exploring the Hydrodynamics of Sediment Diversion at Mid-Barataria
This is part two of the series “Building Land in Coastal Louisiana: Expert Recommendations for Operating a Successful Sediment Diversion that Balances Ecosystem and Community Needs.” Please follow the link below for the original(s). Historically, the Mississippi River has periodically overtopped its natural levee and flooded the adjacent wetlands with sediment-laden water. This natural process…
