The change of frost depth of seasonally frozen soil and its response to climate change in Jilin Province
REN Jingquan, LIU Yuxi, WANG Dongni, MU Jia, LI Xingyang, CUI Jialong, GUO Chunming
Journal of Glaciology and Geocryology . 2019, (5): 1098 -1106 .  DOI: 10.7522/j.issn.1000-0240.2019.1153