[1] Univ Georgia, Dept Geog, Athens, GA USA
[2] SUNY Buffalo, Dept Geog, Buffalo, NY USA
[3] Hong Kong Univ Sci & Technol, Urban Governance & Design Thrust, Guangzhou, Peoples R China
[4] Augsburg Univ, Inst Geog Appl Geoinformat, Augsburg, Germany
[5] Hong Kong Polytech Univ, Dept Land Surveying & Geo Informat, Hong Kong, Peoples R China
[6] Univ Ghent, Dept Geog, Ghent, Belgium
[7] Univ Georgia, Dept Geog, Room 204,GG Bldg, Athens, GA 30602 USA