Electromagnetic Field of a HED in the Spherical "Earth-Ionosphere" Model and Its Application in Geophysics
文献类型：期刊论文
| 作者 | Gao, Ya3; Di, Qing-Yun1,2,3; Fu, Chang-Min1,2,3; Zhang, Yi-Lang1,2,3 |
| 刊名 | REMOTE SENSING
 |
| 出版日期 | 2023-04-23 |
| 卷号 | 15期号:9页码:16 |
| 关键词 | controlled source extremely low frequency deep mineral resources spherical Earth-ionosphere model electromagnetic field |
| DOI | 10.3390/rs15092235 |
| 英文摘要 | The controlled source extremely low frequency (CSELF) method bears the potential for deep resource exploitation utilizing the skywave. The "Skywave" denotes the electromagnetic wave propagating through the waveguide formed by the Earth and ionosphere. It has a considerable penetration depth into the lithosphere due to its low-frequency band. Previous research on extremely low-frequency electromagnetic fields with the coupled lithosphere, atmosphere, and planar ionosphere models ignored the effect of the Earth's curvature. Thus, we aimed to present the exact formulas for horizontal electric dipoles (HED) in a spherical "Earth-ionosphere" model. These new formulas consider the Earth's curvature as a multilayer medium rather than a homogeneous underground. We introduce three techniques: function combination pairs, addition and subtraction terms, and Pade approximants, to handle slow convergence in numerical calculation. In the spherical waveguide, electromagnetic fields are mutually interfered with and produce oscillations, which is different from the planar model. The influence of Earth's curvature cannot be neglected with the increase in source-receiver distance, though it is negligible within 3000 km. Furthermore, it is worth noting that apparent resistivity ?(?f) enters the waveguide area earlier than ?(f?). This method can be used as Green's function to simulate the electromagnetic field of actual antennas and 3-D models. |
| WOS关键词 | LOW-FREQUENCY PROPAGATION ; ELF WAVES |
| 资助项目 | National Key R&D Program of China[2022YFF0706200] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA14050300] ; National Natural Science Foundation of China (NSFC)[41874088] |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology |
| 语种 | 英语 |
| WOS记录号 | WOS:000987856100001 |
| 出版者 | MDPI |
| 资助机构 | National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/110964]  |
| 专题 | 地质与地球物理研究所_深部资源勘探装备研发 |
| 通讯作者 | Di, Qing-Yun |
| 作者单位 | 1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, CAS Engn Lab Deep Resources Equipment & Technol, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gao, Ya,Di, Qing-Yun,Fu, Chang-Min,et al. Electromagnetic Field of a HED in the Spherical "Earth-Ionosphere" Model and Its Application in Geophysics[J]. REMOTE SENSING,2023,15(9):16. |
| APA | Gao, Ya,Di, Qing-Yun,Fu, Chang-Min,&Zhang, Yi-Lang.(2023).Electromagnetic Field of a HED in the Spherical "Earth-Ionosphere" Model and Its Application in Geophysics.REMOTE SENSING,15(9),16. |
| MLA | Gao, Ya,et al."Electromagnetic Field of a HED in the Spherical "Earth-Ionosphere" Model and Its Application in Geophysics".REMOTE SENSING 15.9(2023):16. |
入库方式： OAI收割
来源：地质与地球物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。