Yin Ren¹, Luying Deng², Shudi Zuo³, Xiaodong Song⁴, Yilan Liao⁵, Chengdong Xu⁵, Qi Chen⁶, Lizhong Hua⁷ and Zhengwei Li⁸, (1)IUE Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China, (2)Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China, (3)IUE Institute of Urban Environment, Chinese Academy of Sciences；University of Chinese Academy of Sciences, Xiamen, China, (4)College of Environment and Natural Resources, Zhejiang University, Hangzhou, China, (5)Institute of Geographic Sciences and Nature Resources Research, Chinese Academy of Sciences, Beijing, China, (6)University of Hawaii at Manoa, Honolulu, HI, United States, (7)Xiamen University of Technology, Xiamen, China, (8)China United Network Communications Group Co. Ltd, Nanjing, China