Economic Research Report No. (ERR-201) 119 pp

November 2015

Climate Change, Water Scarcity, and Adaptation in the U.S. Fieldcrop Sector

Despite increased temperatures and much regional variation in production response, U.S. irrigated fieldcrop acreage and water used for irrigation are projected to decline with long-term climate change. Driving the decline in water use are changes in crop growth due to temperature stress, changes in growing-season precipitation, and shifts in surface-water supply availability.

Keywords: Climate change, adaptation, agriculture, irrigation, water resources, Regional Environment and Agriculture Programming (REAP) model, regional crop production

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