3D Inversion of Transient Electromagnetic Data for Concealed Karst Cavern Detection
Shicong Li,
Yajun Liu,
Ronghua Peng
et al.
Abstract:The karst cavern is common undesirable geological body in limestone areas, which can bring great safety hazards to the construction and operation of tunnels, bridges and highways. Transient electromagnetic method (TEM) can effectively detect hidden karst structures based on the difference in electrical property between the karst cavern and the surroundings. Traditionally, 1D inversion is commonly used for the interpretation of TEM data due to its high efficiency. However, this may lead to artifacts due to 2D o… Show more
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