AI Summary

A recent study suggests that the water flowing from the western United States' headwaters may significantly decrease due to climate change. The research, led by Northern Arizona University (NAU) researchers, indicates that groundwater-fed streamflow, known as base flow, has been steadily declining across these headwater watersheds since 1950. This decline could worsen if current climate trends persist. The projected decrease in base flow is substantial, ranging from 45% to 65% by the end of the century. This development has significant implications for the region's water resources and ecosystems.

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