Comparing induced polarization effect on semi-airborne and airborne transient electromagnetic data: A numerical study
文献类型：期刊论文
| 作者 | Li, Hai1,2; Li, Keying1,2,3; Chen, Wen1,2,3 |
| 刊名 | JOURNAL OF APPLIED GEOPHYSICS
 |
| 出版日期 | 2022-03-01 |
| 卷号 | 198页码:11 |
| 关键词 | Transient electromagnetic method Induced polarization Semi-airborne Airborne Misfit space Resolution |
| ISSN号 | 0926-9851 |
| DOI | 10.1016/j.jappgeo.2022.104556 |
| 英文摘要 | In a transient electromagnetic (TEM) survey, when a chargeable body presents, its induced polarization (IP) will generate an additional electromagnetic field that further superposes on the TEM data. If the added fields are not considered properly when designing a TEM survey or inverting the TEM datasets, erroneous results may be obtained. Thus, we compare the IP effects on the airborne and semi-airborne TEM methods in this study. One big difference between the two methods is that the semi-airborne method mainly uses the ground-based galvanic source and the airborne method utilizes the air-based inductive source. To fully illustrate this difference, we calculated the IP-TEM coupled responses at a time range of 10(-6) s to 10 s. Despite the commonly known reversal of signs in the transient, we found that in some cases of airborne TEM response, the sign will reverse twice. The relative errors caused by the IP effect are further demonstrated. A minimum peak at the early time that is closely related to the IP parameters is revealed, indicating that the IP fields will drop rapidly at the early time and then decay slowly. Finally, a misfit space analysis is performed, showing that both methods can well resolve the resistivity and the IP parameters of a conductive target, while it is difficult to recover the IP parameters of a resistivity target. |
| WOS关键词 | INVERSION ; SYSTEMS ; RESPONSES |
| 资助项目 | Natural Science Foundation of China[41804074] ; IGGCAS Research Start-up Funds[E0515402] ; S&T Program of Beijing[Z181100005718001] |
| WOS研究方向 | Geology ; Mining & Mineral Processing |
| 语种 | 英语 |
| WOS记录号 | WOS:000788111000003 |
| 出版者 | ELSEVIER |
| 资助机构 | Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; IGGCAS Research Start-up Funds ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing ; S&T Program of Beijing |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/105150]  |
| 专题 | 地质与地球物理研究所_中国科学院矿产资源研究重点实验室 |
| 通讯作者 | Chen, Wen |
| 作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 |
Li, Hai,Li, Keying,Chen, Wen. Comparing induced polarization effect on semi-airborne and airborne transient electromagnetic data: A numerical study [J]. JOURNAL OF APPLIED GEOPHYSICS,2022,198:11. |
| APA |
Li, Hai,Li, Keying,&Chen, Wen.(2022). Comparing induced polarization effect on semi-airborne and airborne transient electromagnetic data: A numerical study .JOURNAL OF APPLIED GEOPHYSICS,198,11. |
| MLA |
Li, Hai,et al." Comparing induced polarization effect on semi-airborne and airborne transient electromagnetic data: A numerical study ".JOURNAL OF APPLIED GEOPHYSICS 198(2022):11. |
入库方式： OAI收割
来源：地质与地球物理研究所
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