[1] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi, Peoples R China
[2] Hong Kong Baptist Univ, Dept Geog, Hong Kong, Peoples R China
[3] Univ Gothenburg, Dept Earth Sci, Gothenburg, Sweden
[4] Hong Kong Polytech Univ, Dept Land Surveying & Geoinformat, Hong Kong, Peoples R China
[5] Xinjiang Univ, Coll Informat Sci & Engn, Urumqi, Peoples R China