Comparative analysis of meteorological and hydrological drought in the Pearl River basin during the period 1960–2012

Kai Xu1, Chuanhao Wu1, Bill Hu1 and Jie Niu2, (1)Jinan University, Institute of Groundwater and Earth Sciences, Guangzhou, China, (2)Jinan University, Institute of Groundwater and Earth Sciences, Berkeley, CA, United States