remote sensing Article GRACE-Derived Terrestrial Water Storage Changes in the Inter-Basin Region and Its Possible Influencing Factors: A Case Study of the Sichuan Basin, China Chaolong Yao 1,2, Zhicai Luo 1,3,4,5, Haihong Wang 1,*, Qiong Li 6 and Hao Zhou 6 1 School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, Hubei, China;
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[email protected] (Z.L.) 2 Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin 541004, Guangxi, China 3 Key Laboratory of Geospace Environment and Geodesy, Ministry of Education, Wuhan University, Wuhan 430079, Hubei, China 4 State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, Hubei, China 5 Collaborative Innovation Center for Geospatial Technology, Wuhan University, Wuhan 430079, Hubei, China 6 MOE Key Laboratory of Fundamental Physical Quantities Measurement, School of Physics, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China;
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[email protected] (H.Z.) * Correspondence:
[email protected]; Tel.: +86-27-6877-1756 Academic Editors: Cheinway Hwang, Wenbin Shen, C.K. Shum, Stéphane Calmant, Magaly Koch and Prasad S. Thenkabail Received: 27 February 2016; Accepted: 19 May 2016; Published: 26 May 2016 Abstract: We investigate terrestrial water storage (TWS) changes over the Sichuan Basin and the related impacts of water variations in the adjacent basins from GRACE (Gravity Recovery and Climate Experiment), in situ river level, and precipitation data. Although GRACE shows water increased over the Sichuan Basin from January 2003 to February 2015, two heavy droughts in 2006 and 2011 have resulted in significant water deficits.