California's drought-stricken Central Valley harbors three times more groundwater than previously estimated, Stanford scientists have found. Accessing this water in an economically feasible way and safeguarding it from possible ...
Environment
Jun 27, 2016
13
1502
New evidence identifies 64 pesticide residues in milkweed, the main food for monarch butterflies in the west. Milkweed samples from all of the locations studied in California's Central Valley were contaminated with pesticides, ...
Ecology
Jun 8, 2020
2
8038
Billions of tons of snow piled atop the Sierra Nevada Mountains can cause parts of the Central Valley, just west of the range, to sink—muddling groundwater assessments that take sinking as a sign of depleted aquifers. A ...
Earth Sciences
Jun 5, 2023
0
125
Just last year, researchers were saying there was no end in sight for California's recent drought. During the past four years—the driest the state has been in a half-century— reservoirs and lake levels plummeted, leaves ...
Environment
Jan 15, 2016
0
138
In the mosquito breeding rooms of British biotech company Oxitec, scientists line up fresh eggs, each the size of a grain of salt. Using microscopic needles, the white-coated researchers inject each egg with a dab of a proprietary ...
Ecology
Apr 12, 2022
2
1550
In a recent study, scientists found that a previously unmeasured source—water percolating through soil and fractured rock below California's Sierra Nevada mountains—delivers an average of 4 million acre feet (5 cubic ...
Earth Sciences
Jan 23, 2023
0
329
California's Central Valley aquifer, the major source of groundwater in the region, suffered permanent loss of capacity during the drought experienced in the area from 2012 to 2015.
Earth Sciences
Mar 19, 2019
0
139
Nearly 2 million people throughout the Great Plains and California live above aquifer sites contaminated with natural uranium that is mobilized by human-contributed nitrate, according to a study from the University of Nebraska-Lincoln.
Environment
Aug 17, 2015
5
1207
Scientists have discovered that the pace of groundwater depletion in California's Central Valley has accelerated dramatically during the drought as heavy agricultural pumping has drawn down aquifer levels to new lows and ...
Earth Sciences
Dec 27, 2022
0
272
The floor of California's arid Central Valley is sinking as groundwater pumping for agriculture and drinking water depletes aquifers. A new remote sensing study from Stanford University shows land sinking—or subsidence—will ...
Earth Sciences
Jun 2, 2022
0
212
