Asian Water Tower’s Hidden Crisis: Groundwater Losing 24 Billion Tonnes Annually
Groundwater reserves beneath High Mountain Asia, a region often called the “Asian Water Tower,” are declining by about 24.2 billion metric tons per year, according to a study published Aug. 20 in Environmental Research Letters. The research, led by Prof. Shudong Wang of the Aerospace Information Research Institute of the Chinese Academy of Sciences, used satellite observations and an artificial intelligence-powered model to reconstruct roughly 20 years of groundwater storage changes from 2003 to 2020.
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