Global Monthly Water Scarcity: Blue Water Footprints versus Blue Water Availability

Posted in: Global News
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Article courtesy of Arjen Y. Hoekstra, Mesfin M. Mekonnen, Askho K. Chapagain, Ruth E. Mathews, Brian D. Richter| February 29, 2012 | PLOS | Shared as educational material

The accuracy of indicators of freshwater worldwide become more important as concern about freshwater scarcity grows. The researches improved on past estimates by using blue water footprints, which are groundwater and surface water flows instead of water withdrawals. The researchers analyzed 405 river basins between 1996 and 2005. They discovered water scarcity in 201 river basins for at least one month each year. This could impact 2.67 billion inhabitants. Read more here: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0032688

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