drought predictions Archives – The Green Optimistic green tech news, since 2008 Thu, 15 Nov 2012 18:23:32 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Global Drought Predictions Overestimated and Uncertain, Study Says https://www.greenoptimistic.com/global-drought-predictions-overestimated-and-uncertain-study-says-20121115/ https://www.greenoptimistic.com/global-drought-predictions-overestimated-and-uncertain-study-says-20121115/#respond Thu, 15 Nov 2012 18:23:31 +0000 https://www.greenoptimistic.com/?p=28136 The journal Nature published a study, which strongly criticizes the Palmer Drought Severity Index (PDSI), used as the basis by IPCC in their 4th Assessment Report. In this document it was stated that more intense and longer lasting droughts have been observed since the 1970s. Scientists from Princeton University, led by Justin Sheffield, suggest that […]

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