Research on Influencing Factors of Freezing and Thawing Process in the regions over 5000 m a.s.lZihao Man, Shengquan Che, Ruiyuan Jiang and Changkun XieE3S Web of Conf., 393 (2023) 01011DOI: https://doi.org/10.1051/e3sconf/202339301011