1. College of Environmental Science and Engineering, Guilin University of Technology, Guilin, China
2. Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, China
3. Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin, China
4. Ministry of Water Resources, Bureau of Hydrology and Water Resources of Pearl River Water Conservancy Commission, Guangzhou, China