Are droughts becoming more frequent or severe in China based on the Standardized Precipitation Evapotranspiration Index: 1951–2010?
Are droughts becoming more frequent or severe in China based on the Standardized Precipitation Evapotranspiration Index: 1951–2010?
Meixiu Yu,Qiongfang Li,2 Authors,R. Heim
2011 · DOI: 10.1002/joc.3701
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