1. Are droughts becoming more frequent or severe in China based on the Standardized Precipitation Evapotranspiration Index: 1951–2010?. (16th May 2013) Authors: Yu, Meixiu; Li, Qiongfang; Hayes, Michael J.; Svoboda, Mark D.; Heim, Richard R. Journal: International journal of climatology Issue: Volume 34:Number 3(2014) Page Start: 545 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗