2002—2020年青藏高原近地表土壤日冻融循环时空变化模式
沈麒凯, 刘修国, 周欣, 张正加, 陈启浩

Spatio-temporal variation patterns of diurnal freeze-thaw cycles of the near-surface soil on the Qinghai-Tibet Plateau between 2002 and 2020
SHEN Qikai, LIU Xiuguo, ZHOU Xin, ZHANG Zhengjia, CHEN Qihao
图11 2003—2019年日冻融循环发生时间点变化
Fig. 11 Change of the start dates for the freeze-thaw cycle during 2003-2019