The exploration of permafrost thickness refers to determining the upper and the lower limits of frozen soil depth. According to the geophysical properties of permafrost, frozen and non-frozen soils show significant differences in the permittivity and resistivity . Using ground penetrating radar (GPR) and transient electromagnetic sounding method (TEM) respectively, the authors explored the upper and the lower limits of permafrost in hot spring areas of eastern Tibetan Plateau. The results show that GPR and TEM can effectively solve the above problems. It is concluded that applying GPR and TEM is a set of feasible methods for the exploration of permafrost thickness in the range of 0 ~ 100 m in depth.
王通, 俞祁浩, 游艳辉, 王武, 杜二计. 物探技术在多年冻土探测方面的应用[J]. 物探与化探, 2011, 35(5): 639-642.
WANG Tong, YU Qi-hao, YOU Yan-hui, WANG Wu, DU Er-ji. THE APPLICATION OF ELECTROMAGNETIC TECHNOLOGY TO PERMAFROST EXPLORATION. Geophysical and Geochemical Exploration, 2011, 35(5): 639-642.