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The Central Valley in California subsides when groundwater is pumped faster than underground aquifers can be recharged. The Central Valley has been sinking at differing rates since the 1920s and is estimated to have sunk up to 28 feet. [1] During drought years, the valley is prone to accelerated subsidence due to groundwater extraction.
The first recorded case of land subsidence was in the 1940s. Land subsidence can be as little as local land collapsing or as large as an entire region's land being lowered. The subsidence can lead to infrastructural and ecosystem damage. Lowering of the water table, which makes water harder to reach streams and rivers
In addition to the tree sit-ins, the University has been sued by three parties to prevent construction of the facility: The California Oak Foundation, which wants to save the trees, the City of Berkeley, which is concerned with site safety, and the Panoramic Hill Association, which worries about increased traffic loads. [2]
Read more:Southern California wildfires by the numbers: Location, size, containment and more Some 50 miles away in Altadena, the Eaton fire had killed five people and burned dozens of homes as of ...
The death toll had climbed to five people, as the fast-moving wildfires continued to sweep across the LA area. The Palisades fire had burned more than 17,200 acres, while the Eaton fire has ...
USA TODAY analysis finds 3.3 million Americans live in areas with "very high" wildfire risk and 14.8 million more at “relatively high” risk.
The yellow sign he is holding reads, "San Joaquin Valley California BMS661 Subsidence 9M 1925-1977." This photo shows 28 feet of lost surface level altitude over a 52-year period. [ 11 ] Markers are placed to show the previous ground level altitudes for the years 1925, 1955, and 1975. [ 12 ]
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