[1] Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Watershed Geog Sci, Nanjing 210008, Jiangsu, Peoples R China
[2] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
[3] Henan Univ, Key Res Inst Yellow River Civilizat & Sustainable, Kaifeng 475001, Peoples R China
[4] Henan Univ, Collaborat Innovat Ctr Yellow River Civilizat, Kaifeng 475001, Peoples R China
[5] Univ Utah, Dept Geog, Salt Lake City, UT 84112 USA