1. College of Water Sciences, Beijing Normal University, Beijing, China
2. Key Laboratory of Groundwater Resources and Environment, Ministry of Education/Institute of Water Resources and Environment, Jilin University, Changchun, China
3. Engineering Research Center of Groundwater Pollution Control and Remediation, Ministry of Education, Beijing, China
4. College of Surveying and Prospecting Engineering, Jilin Jianzhu University, Changchun, China
5. China Geological Survey, Beijing, China