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Scientists using seismic data tracked groundwater levels beneath the L.A. area. They found heavy rains in 2023 boosted shallow waters, but deep aquifers remain depleted.
California's groundwater levels rose significantly in 2023, one of the wettest years in decades. State officials say efforts to replenish aquifers helped.
Groundwater pumping has been causing the land to sink at a record pace in California's San Joaquin Valley. New research suggests ways of addressing the problem.
Groundwater recharge projects are expected to increase in number in future years throughout California due to the comparatively low cost and massive storage capabilities of aquifers. The total volume of groundwater capacity is estimated to be 850 million acre-feet, while there is only around 50 million acre-feet of available surface freshwater ...
California’s groundwater reservoirs got a major boost during last year’s record wet season, offering a glimmer of hope for the depleted underground aquifer’s that remain in a long-term ...
The CVHM considers surface level water supply to estimate groundwater use, as well as monitoring recharge rates. Updates and improvements have been made to the CVHM since its creation. For example, the contribution of groundwater recharge from un-gaged watersheds to the Central Valley Aquifer were previously not contributed in the model for the ...
While the volume of groundwater in California is very large, aquifers can be over drafted when groundwater is removed more rapidly than it is replenished. In 1999, it was estimated that the average, annual overdrafting was around 2,200,000 acre-feet (2.7 km 3 ) across the state, with 800,000 acre-feet (0.99 km 3 ) in the Central Valley.
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