Forward modeling for "earth-ionosphere" mode electromagnetic field

doi:10.1007/s11771-016-3288-5

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院页岩气与地质工程重点实验室

	Forward modeling for "earth-ionosphere" mode electromagnetic field
	Li Di-quan 1,2; Xie Wei 1,2; Di Qing-yun 3; Wang Miao-yue 3
刊名	JOURNAL OF CENTRAL SOUTH UNIVERSITY
	2016-09-01
卷号	23 期号:9 页码:2305-2313
关键词	earth-ionosphere mode large power large offset electromagnetic field forward modeling
DOI	10.1007/s11771-016-3288-5
文献子类	Article
英文摘要	A fixed artificial source (greater than 200 kW) was used and the source location was selected at a high resistivity region to ensure high emission efficiency. Some publications used the "earth-ionosphere" mode in modeling the electromagnetic (EM) fields with the offset up to a thousand kilometer, and such EM fields still have a signal/noise ratio of 10-20 dB. This means that a new EM method with fixed source is feasible, but in their calculation, the displacement in air was neglected. In this work, some three-layer modeling results were presented to illustrate the basic EM fields' characteristics in the near, far and waveguide areas under "earth-ionosphere" mode, and a standard is given to distinguish the boundary of near, far and waveguide areas. Due to the influence of the ionosphere and displacement current in the air, the "earth-ionosphere" mode EM fields have an extra waveguide zone, where the fields' behavior is very different from that of the far field zone.
WOS关键词	ELF PROPAGATION ; WAVE-GUIDE ; CAVITY ; WAVEGUIDE
WOS研究方向	Metallurgy & Metallurgical Engineering
语种	英语
WOS记录号	WOS:000388370900019
资助机构	National Natural Science Foundation of China(41204054 ; National Natural Science Foundation of China(41204054 ; 41541036 ; 41541036 ; 41604111) ; 41604111) ; National Natural Science Foundation of China(41204054 ; National Natural Science Foundation of China(41204054 ; 41541036 ; 41541036 ; 41604111) ; 41604111)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/53240]
专题	地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
作者单位	1.Cent S Univ, Minist Educ, Key Lab Metallogen Predict Nonferrous Met, Changsha 410083, Hunan, Peoples R China 2.Cent S Univ, Sch Geosci & Infophys, Changsha 410083, Hunan, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Li Di-quan,Xie Wei,Di Qing-yun,et al. Forward modeling for "earth-ionosphere" mode electromagnetic field[J]. JOURNAL OF CENTRAL SOUTH UNIVERSITY,2016,23(9):2305-2313.
APA	Li Di-quan,Xie Wei,Di Qing-yun,&Wang Miao-yue.(2016).Forward modeling for "earth-ionosphere" mode electromagnetic field.JOURNAL OF CENTRAL SOUTH UNIVERSITY,23(9),2305-2313.
MLA	Li Di-quan,et al."Forward modeling for "earth-ionosphere" mode electromagnetic field".JOURNAL OF CENTRAL SOUTH UNIVERSITY 23.9(2016):2305-2313.