气候变暖背景下青海三江源区季节冻土冻融特征研究

李万志, 马海玲, 庞昕玮, 白文蓉, 李红梅, 余迪, 李漠雨

Study on the characteristics of freezing and thawing of the seasonally frozen ground in the Three-River Source Region of Qinghai under warming climate

Wanzhi LI, Hailing MA, Xinwei PANG, Wenrong BAI, Hongmei LI, Di YU, Moyu LI

图5 1961—2021年三江源区地表土的冻结初日、冻结终日变化曲线及气候变暖前后各观测站地表土的冻结初日和冻结终日变化

Fig.5 Changes in of freezing onset date （a） and freezing end date （b） of ground surface soil in the Three-River Source Region on northeastern Qinghai-Tibet Plateau from 1961 to 2021 and changes in freezing onset date and freezing end date of ground surface soil at each station before and after climate warming （c）