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AQUEDUCT METADATA DOCUMENT AQUEDUCT GLOBAL MAPS 2.1
The document details the methodology for the Aqueduct Water Risk Atlas Global Maps 2.1, which updates the 2013 version by incorporating GLDAS-2 NOAH v. 3.3 runoff data. It outlines 12 indicators categorized into physical risk (quantity and quality) and regulatory and reputational risk. The framework utilizes a combination of public domain data, literature reviews, and original datasets to estimate water availability and use at the hydrological catchment scale. Key metrics include baseline water stress, inter-annual and seasonal variability, flood and drought severity, and groundwater stress, alongside socio-economic indicators like media coverage and access to water.
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Document type: Research paper