1. Key Laboratory of Geographic Information Science of the Ministry of Education
2. School of Geographic Sciences
3. East China Normal University
4. Shanghai 200241
5. China
6. Key Laboratory of Polar Materials and Devices, Ministry of Education
7. Shanghai 200062
8. Department of Geological Sciences
9. The University of Texas at El Paso
10. El Paso
11. USA
12. State Key Laboratory of Estuarine and Coastal Research
13. Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai
14. Subsurface Science and Technology Group
15. Energy and Environment Directorate
16. Pacific Northwest National Laboratory
17. Washington 99352