Toward a 30m resolution time series of historical global urban expansion: exploring variation in North American cities

Michelle Stuhlmacher1, Carter Wang1, Matei Georgescu1, Beth Tellman1, Robert Balling1, Nicholas E Clinton2, Lindsey Collins1, Ran Goldblatt3 and Gordon Hanson3, (1)Arizona State University, School of Geographical Sciences and Urban Planning, Tempe, AZ, United States, (2)Google, Mountain View, United States, (3)University of California San Diego, School of Global Policy and Strategy, La Jolla, CA, United States