Greening of Northern Hemisphere Cold Regions in Response to Permafrost Changes

Oliver W Frauenfeld, Texas A&M University, College Station, TX, United States, Xiaoqing Peng, LZU Lanzhou University, Key Laboratory of Western China's Environmental Systems(Ministry of Education), College of Earth and Environment Sciences, Lanzhou, China and Tingjun Zhang, LZU Lanzhou University, College of Earth and Environment Sciences, Lanzhou, China