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不同地表条件下青藏公路对多年冻土的热影响差异研究
周保1(), 魏刚2(), 张永艳1, 魏赛拉加1, 蒋观利3
Study on the diversities of thermal impacts of Qinghai-Tibet Highway on permafrost under different surface conditions
Bao ZHOU1(), Gang WEI2(), Yongyan ZHANG1, Sailajia WEI1, Guanli JIANG3

图6. 两个监测场地L1处2015—2021年活动层厚度变化情况

Fig.6. Active layer thickness variations in L1 for both sites from 2015 to 2021