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

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By Elizabeth Marshall (au); Marcel Aillery (au); Scott Malcolm (au); Ryan Williams (au)
Year: 2015
Pages: 119
Binding Paperback
ISBN 978-1-4578-7144-3

Product Code: 1457871440

Description

U.S. agriculture faces significant changes in local patterns of precipitation and temperature over the next century, with implications for regional water cycling and water availability. Of particular interest is whether producer adaptation is limited, or even enhanced, by regional changes in water availability for irrigation. This analysis focuses on cropping allocations and shifts in irrigated and dryland crop area as two potential responses to climate change in U.S. fieldcrop production. Despite higher temperatures and much regional variation in production response, U.S. irrigated fieldcrop acreage and water used for irrigation tend to decline with long-term climate change. Driving this 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. Figures. This is a print on demand report.

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