1. China Meteorological Administration Key Laboratory for Climate Prediction Studies, National Climate Center, Beijing 100081, China
2. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
3. Huitian Drought High-Tech Co., Ltd., Beijing 100094, China
4. China Institute of Water Resources and Hydropower Research, Beijing 100038, China