Sustainable use of groundwater may dramatically reduce irrigated production of maize, soybean, and wheat

Jose R. Lopez, Jonathan M. Winter, Joshua Elliott, Alex C. Ruane, Cheryl Porter, Gerrit Hoogenboom, Martha Anderson & Christopher Hain
Groundwater extraction in the United States (US) is unsustainable, making it essential to understand the impacts of limited water use on irrigated agriculture. Here, we integrate a gridded crop model with satellite observations, recharge estimates, and water survey data to assess the effects of sustainable groundwater withdrawals on US irrigated agricultural production. Our model agrees with satellite-based estimates of evapotranspiration (R2 = 0.68), as well as survey production estimates from the United States Department of...
1 citation reported since publication in 2021.
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