1. Institute of Tibetan Plateau Research; Chinese Academy of Sciences; Beijing 100101 China
2. CAS Center for Excellence in Tibetan Plateau Earth Sciences; Chinese Academy of Sciences; Beijing 100101 China
3. Department of Land Resources and Environmental Sciences; Montana State University; Bozeman MT 59717 USA
4. State Key Laboratory of Marine Environmental Science; Xiamen University; Xiamen 361005 China
5. Key Laboratory of Marine Bio-resources Sustainable Utilization; South China Sea Institute of Oceanology; Chinese Academy of Sciences; Guangzhou 510301 China
6. Cold and Arid Regions Environmental and Engineering Research Institute; Chinese Academy of Sciences; Lanzhou 730000 China
7. Department of Mathematical Sciences; Montana State University; Bozeman Montana 59717 USA
8. State Key Laboratory of Lake Science and Environment; Nanjing Institute of Geography and Limnology; Chinese Academy of Sciences; Nanjing 210008 China
9. State Key Joint Laboratory of Environment Simulation and Pollution Control; School of Environment; Tsinghua University; Beijing 100084 China