State Key Laboratory of Resources and Environment Information System,Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China

College of Resources and Environment,University of Chinese Academy of Sciences,Beijing 101408,China

School of Geographical Sciences,Southwest University,Chongqing 400715,China

National Institute of Environmental Health,Chinese Center for Disease Control and Prevention,Beijing 100021,China

National Engineering Research Center of Geospatial Information Technology,Fuzhou University,Fuzhou 350108,China

The Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China