作者机构:[1]The Research Center for East-West Cooperation in China, The Key Lab of GIScience of the Education Ministry PRC, East China Normal University, Shanghai 200241, China, [2]School of Environment and Planning, Liaocheng University, Liaocheng, Shandong 252059, China
相关基金:Acknowledgments: The authors are very thankful helpful suggestions. This work to two reviewers for their was supported by National Natural Science Foundation of China (Grant Nos. 41130525, 41040015).
Correspondence to: Prof. JianHua Xu, The Research Center for East-West Cooperation in China, East China Normal University, Shanghai 200241, China. Tel: +86-21-62232146; Email: jhxu@geo.ecnu.edu.cn