1. Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and EngineeringSouthern University of Science and Technology Shenzhen China
2. Department of Earth SciencesThe University of Hong Kong Hong Kong China
3. Shenzhen Research Institute (SRI)The University of Hong Kong Shenzhen China
4. School of Water Resources and EnvironmentChina University of Geosciences Beijing China