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Could the 2012 Drought in Central US Have Been Anticipated?-A Review of NASA Working Group Research
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作者 S.-Y. Simon Wang Danny Barandiaran +8 位作者 Kyle Hilbum Paul Houser Bob Oglesby Ming Pan rachel pinker Joe Santanello Siegfried Schubert Hailan Wang Robert Gillies 《Journal of Earth Science and Engineering》 2014年第7期428-437,共10页
This paper summarizes research related to the 2012 record the NEWS (NASA (National Aeronautics and Space Administration) drought in the central United States conducted by members of Energy and Water cycle Study) W... This paper summarizes research related to the 2012 record the NEWS (NASA (National Aeronautics and Space Administration) drought in the central United States conducted by members of Energy and Water cycle Study) Working Group. Past drought patterns were analyzed for signal coherency with latest drought and the contribution of long-term trends in the Great Plains low-level jet, an important regional circulation feature of the spring rainy season in the Great Plains. Long-term changes in the seasonal transition from rainy spring into dry summer were also examined. Potential external forcing from radiative processes, soil-air interactions, and ocean teleconnections were assessed as contributors to the intensity of the drought. The atmospheric Rossby wave activity was found to be a potential source of predictability for the onset of drought. A probabilistic model was introduced and evaluated for its performance in predicting drought recovery in the Great Plains. 展开更多
关键词 Drought 2012 Great Plains climate variability and trends drought prediction.
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