Xin Tao^1,2, Chengquan Huang¹, Feng Zhao³, Karen Schleeweis⁴, Jeffrey G Masek⁵ and Shunlin Liang⁶, (1)University of Maryland College Park, Department of Geographical Sciences, College Park, MD, United States, (2)University at Buffalo, Buffalo, NY, United States, (3)University of Maryland College Park, College Park, United States, (4)US Forest Service Fort Collins, Fort Collins, CO, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)Univ Maryland, College Park, MD, United States