Depletion of river flow across the US during summer months. (IMAGE)
Caption
The 17 western states experience much higher levels of depletion during July to September than eastern states, owing to lesser precipitation and greater use of irrigation in the western states. a, Summer depletion during the 2001-2015 model simulation. b, Summer depletion in the driest 10% of years during 1961-2015.
Credit
Richter et al, "Water scarcity and fish imperilment driven by beef production," Nature Sustainability; used with permission of authors.
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Use with permission of authors
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