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Groundwater Depletion

A center-pivot irrigation system waters a cornfield near Adams, Nebraska, about 45 minutes south of Lincoln. A new Husker-led study shows how the depletion of groundwater — the same that many farmers rely on for irrigation — can threaten food production amid drought and drier climes. Due in part to the challenges of extracting groundwater, an aquifer’s depletion can curb crop yields even when it appears saturated enough to continue meeting the demands of irrigation, the study found.

Study quantifies how aquifer depletion threatens crop yields

Nishan Bhattarai, assistant professor in the Department of Geography and Environmental Sustainability in the University of Oklahoma, is the lead author of a new study published in Science Advances that found increased withdrawals of groundwater resources are accelerating groundwater depletion rates in India, a groundwater depletion hotspot.

Warming climate worsens groundwater depletion rates in India

Parched California land

Using satellites to track groundwater depletion in California

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