Earth Science Frontiers ›› 2008, Vol. 15 ›› Issue (5): 248-255.
• Article • Previous Articles Next Articles
1Department of Earth Sciences, Sun Yatsen University, Guangzhou 510275, China
2Center for Earth Environment & Resources, Sun Yatsen University, Guangzhou 510275, China
3School of Environmental Science and Engineering, South China University of Technology, Guangzhou 510641, China