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7 黄河源头区地面起始冻结/融化时间与经纬度和海拔关系
Fig. 7 Relationship between the ground surface freezing/thawing onset date and the latitude, longitude, and elevation in the Headwater Area of the Yellow River