极寒环境中广域电磁法勘探技术研究
詹少全, 李爱勇, 王导丽, 郝红蕾, 王磊

A study of the wide field electromagnetic method under extremely cold conditions
ZHAN Shao-Quan, LI Ai-Yong, WANG Dao-Li, HAO Hong-Lei, WANG Lei
图3 春季与极寒条件未揭穿冻土层频率—电阻率曲线
Fig.3 Comparison of frequency-resistivity curves of unexposed permafrost under spring and extreme cold conditions