The aridity index is an invaluable tool used for estimating how dry (or how humid) a location is based on the precipitation and evapotranspiration occurring in the area. It is useful for predicting the severity of droughts, studying water availability changes due to climate change, and determining the allocation of water in resource planning.
Hydrologists redefine aridity index to include river and groundwater flow—providing more accurate estimates
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Featured HeadlinesWhy Tesla’s Autopilot crashes spurred the feds to investigate driver-assist technologies – and what that means for the future of self-driving cars
