People in Pixels: Gridding the World’s Population

Andrea E Gaughan1, Forrest R. Stevens2, Catherine Linard3, Alessandro Sorichetta4 and Andrew J Tatem4, (1)University of Louisville, Dept. of Geographic and Environmental Sciences, Louisville, United States, (2)University of Louisville, Dept. of Geographic and Environmental Sciences, Louisville, KY, United States, (3)Free University of Brussells, Geography, Brusells, Belgium, (4)University of Southampton, Southampton, United Kingdom