Key Laboratory for Humid Subtropical Eco-Geographical Processes of the Ministry of Education,School of Geographical Sciences,Fujian Normal University,Fuzhou 350117,China

Key Laboratory of Atmospheric Environment and Extreme Meteorology,Chinese Academy of Sciences,Beijing 100029,China

Key Laboratory of Middle Atmosphere and Global Environment Observation(LAGEO),Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029,China

Department of Geography and Planning,University of Toronto,Toronto M5S 3G3,Canada

College of Earth and Planetary Science,University of Chinese Academy of Sciences,Beijing 100049,China