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Published in:
2012 | OriginalPaper | Chapter
Monitoring and Mechanism Analysis of Severe Drought on the Southwest during Spring 2010
Authors : Ming Wei, Wei Guo
Publisher: Springer Berlin Heidelberg
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Severe drought occurred in the southwest China in spring 2010; its distribution and evolution are revealed using the TVDI (Temperature Vegetation Dryness Index) derived by EOS/MODIS data. Several different types of data, including weather situation, V-3
θ
diagram, LST (Land Surface Temperature), water content of atmosphere are used to analyze the characteristics of the temperature and humidity on land, atmospheric circulation and energy structure. The results show this severe drought is the synthesis result of the atmospheric circulation, the air energy structure and evaporating by the land high temperature, which can provide some theoretical clue and useful references for the forecast and monitoring of the severe drought.