Response of soil seasonal freeze to climate change from 1950 to 2010 across China
Xiaoqing Peng, LZU Lanzhou University, Key Laboratory of Western China's Environmental Systems（Ministry of Education), College of Earth and Environment Sciences, Lanzhou, China, Tingjun Zhang, LZU Lanzhou University, College of Earth and Environment Sciences, Lanzhou, China and Bin Cao, LZU Lanzhou University, Key Laboratory of Western China's Environmental Systems（Ministry of Education), College of Earth and Environmental Sciences, Lanzhou, China
