Xiao-Peng Song¹, Matthew Hansen², Stephen V. Stehman³, Peter Potapov², Alexandra Tyukavina², Eric Vermote⁴ and John R Townshend⁵, (1)University of Maryland College Park, College Park, MD, United States, (2)University of Maryland, College Park, MD, United States, (3)SUNY College of Environmental Science and Forestry, Syracuse, NY, United States, (4)NASA Goddard Space Flight Center, Terrestrial Information Systems Laboratory, Greenbelt, MD, United States, (5)University of Maryland, Geographical Sciences, College Park, MD, United States