[Zhou, Hong; Zhang, Lianfa] Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Hubei, Peoples R China.
[Zhang, Lianfa] Cent China Normal Univ, Sch Comp Sci, Wuhan 430077, Hubei, Peoples R China.
[Cheng, Jianquan] Manchester Metropolitan Univ, Dept Nat Sci, Div Geog & Environm Sci, Chester St, Manchester M1 5GD, Lancs, England.
[Jin, Cheng] Nanjing Normal Univ, Sch Geog Sci, Nanjing 210023, Jiangsu, Peoples R China.
[Jin, Cheng] Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing 210023, Jiangsu, Peoples R China.