1. State Key Laboratory of Environmental Criteria and Risk Assessment; Chinese Research Academy of Environmental Sciences; Beijing China
2. Laboratory of Riverine Ecological Conservation and Technology; Chinese Research Academy of Environmental Sciences; Beijing China
3. College of Water Sciences; Key Laboratory of Water and Sediment Sciences of Ministry of Education, Beijing Normal University; Beijing China
4. Department of Civil and Environmental Engineering; University of California; Irvine California USA
5. Hydrological Systems and Water Scarcity Section; UNESCO-IHP; Santiago Chile
6. International Centre for Eremology, Department of Soil Management; Ghent University; Ghent Belgium