[1] Hebei Normal Univ, Coll Resources & Environm Sci, 20 Rd East,2nd Ring South, Shijiazhuang 050024, Hebei, Peoples R China
[2] Hebei Normal Univ, Key Lab Environm Evolut & Ecol Construct Hebei Pr, Shijiazhuang 050024, Hebei, Peoples R China
[3] Hebei Acad Sci, Inst Geog Sci, Shijiazhuang 050011, Hebei, Peoples R China
[4] Inst Geog Sci, Hebei Engn Res Ctr Geog Informat Applicat, Shijiazhuang 050011, Hebei, Peoples R China
[5] Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China