1. School of Geography and Environmental Sciences, Guizhou Normal University, Guiyang, China.
2. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China.
3. Puding Karst Ecosystem Observation and Research Station, Chinese Academy of Sciences, Puding, China.
4. CAS Center for Excellence in Quaternary Science and Global Change, Xi'an, China.
5. Guizhou Provincial Key Laboratory of Geographic State Monitoring of Watershed, Guizhou Education University, Guiyang, China.