An alternative tool to controlled-source audio-frequency magnetotellurics method for prospecting deeply buried ore deposits

The electromagnetic fields generated by an artificial source can be divided into: 1) the stratum wave propagating in the earth; 2) the ground wave propagating along the earth surface; 3) and the sky wave traveled in the ionosphere-earth wave guide. Traditionally, the sky wave is mainly used for comm...

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Bibliographic Details
Published in:Science bulletin (Beijing) 2020-04, Vol.65 (8), p.611-615
Main Authors: Di, Qingyun, Xue, Guoqiang, Fu, Changmin, Wang, Ruo
Format: Article
Language:English
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Summary:The electromagnetic fields generated by an artificial source can be divided into: 1) the stratum wave propagating in the earth; 2) the ground wave propagating along the earth surface; 3) and the sky wave traveled in the ionosphere-earth wave guide. Traditionally, the sky wave is mainly used for communication, which receives the electromagnetic information from upper half of the space. The sky wave in this paper is used for detection and receives the electromagnetic information from the whole space. Compared with the traditional sky wave, the sky wave information we study is the whole space propagation information. [Display omitted]
ISSN:2095-9273
DOI:10.1016/j.scib.2020.02.007