黄河源头区地面热状态及冻融特征
高怡婷, 罗栋梁, 陈方方, 雷汶杰, 金会军

Characteristics of the thermal regime and freeze-thaw cycles on the ground surface in permafrost regions in the Headwater Area of the Yellow River
GAO Yiting, LUO Dongliang, CHEN Fangfang, LEI Wenjie, JIN Huijun
图8 黄河源头区实测N因子
Fig. 8 The measured N-factor in the Headwater Area of the Yellow River