1. CAS Key Laboratory of Urban Environment and Health Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road Xiamen 361021 China
2. Ningbo Urban Environmental Observatory and Research Station Institute of Urban Environment, Chinese Academy of Science, 88 Zhongke Road Ningbo 361021 China
3. State Key Laboratory of Urban and Regional Ecology Research Center for Eco–Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road Beijing 100085 China
4. International Center for Ecology, Meteorology, and Environment Nanjing University of Information Science & Technology, 219 Ningliu Road Nanjing 210044 China