Differences in the characteristics of geomagnetic diurnal variation in different periods and their influence on correction of geomagnetic diurnal variation

LI Xing-Kang; FU Yong-Tao; ZHOU Zhang-Guo; YANG An

doi:10.11720/wtyht.2023.1138

2023 Vol. 47, No. 1

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Article navigation > Geophysical and Geochemical Exploration > 2023 > 47(1): 135-145

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LI Xing-Kang, FU Yong-Tao, ZHOU Zhang-Guo, YANG An. 2023. Differences in the characteristics of geomagnetic diurnal variation in different periods and their influence on correction of geomagnetic diurnal variation. Geophysical and Geochemical Exploration, 47(1): 135-145. doi: 10.11720/wtyht.2023.1138

Citation:

LI Xing-Kang, FU Yong-Tao, ZHOU Zhang-Guo, YANG An. 2023. Differences in the characteristics of geomagnetic diurnal variation in different periods and their influence on correction of geomagnetic diurnal variation. Geophysical and Geochemical Exploration, 47(1): 135-145. doi: 10.11720/wtyht.2023.1138

Differences in the characteristics of geomagnetic diurnal variation in different periods and their influence on correction of geomagnetic diurnal variation

1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China；
2. Key Laboratory of Marine Geology & Environment, Institute of Oceanology, CAS, Qingdao 266071, China；
3. University of Chinese Academy of Sciences, Beijing 100049, China；
4. Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China；
5. National Engineering Research Center of Offshore Oil and Gas Explonition,Beijing 100028,China

Received Date: 29 March 2022

Revised Date: 20 February 2023

Publish Date: 24 February 2023

Abstract

Abstract

The phase difference (i.e., time difference) and amplitude difference between the geomagnetic data of the offshore work area and the geomagnetic diurnal variation data of the remote stations are still challenges to the precision of the marine magnetic survey network. Based on the stations on both sides of the East China Sea and three stations in Europe at higher latitudes, this study analyzed and made statistics on the numerical differences in morphological characteristics, phase differences, and amplitude differences of the diurnal variation curves during the daytime, nighttime, and the periods of intense magnetic disturbance. The results are as follows. During the daytime, the phase difference between the stations is constantly changing, resulting in a large amplitude difference around noon. During the nighttime, the data of the stations have consistent phases, and the amplitude difference is mostly less than 4 nT. During strong magnetic disturbance activities such as magnetic storms, the phases of the stations are consistent, and the amplitude difference is even smaller than that during quiet days. According to the survey data of the ocean, the absolute value of the difference at intersections between the survey lines during magnetic storms and quiet days is less than 3.2 nT. The variation characteristics of the phase difference and amplitude difference of the geomagnetic diurnal data between stations facilitate the diurnal variation correction of the marine geomagnetic data.
- correction of geomagnetic diurnal variation /
- marine magnetometry /
- phase /
- amplitude

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References

[1]	徐文耀. 地磁活动性概论[M]. 北京: 科学出版社, 2014.；Xu W Y. Introduction to geomagnetic activity[M]. Beijing: Science Press, 2014. Google Scholar
[2]	Chapman S, Bartels J. Geomagnetism[M]. London: Oxford University Press,1940. Google Scholar
[3]	Campbell W H. Introduction to geomagnetic fields[M]. Cambridge: Cambridge University Press,1997. Google Scholar
[4]	Sabaka T J, Tffner-Clausen L, Olsen N, et al. CM6:A comprehensive geomagnetic field model derived from both CHAMP and Swarm satellite observations[J]. Earth Planets and Space, 2020, 72 (1):1-24. Google Scholar
[5]	Sager W W, Huang Y, Tominaga M, et al. Oceanic plateau formation by seafloor spreading implied by Tamu Massif magnetic anomalies[J]. Nature Geoscience, 2019(8), 12:661-666. Google Scholar
[6]	邢琮琮, 徐行. 地磁场模型在海洋磁测资料处理中的应用研究[J]. 海洋地质与第四纪地质, 2020, 40(3):214-221. Google Scholar
[7]	Xing C C, Xu X. Application of geomagnetic field model to marine magnetic data processing[J]. Marine Geology & Quaternary Geology, 2020, 40(3):214-221. Google Scholar
[8]	Huang Y, Sager W W, Zhang J, et al. Magnetic anomaly map of Shatsky Rise and its implications for oceanic plateau formation[J]. Journal of Geophysical Research:Solid Earth, 2021, 126(2). Google Scholar
[9]	张连伟. 深远海地磁数据处理方法优化及其应用[D]. 青岛: 自然资源部第一海洋研究所, 2021. Google Scholar
[10]	Zhang L W. Optimization and application of geomagnetic data processing method on deep sea[D]. Qingdao: The First Institute of Oceanography, MNR, 2021. Google Scholar
[11]	徐行, 赵旭东, 王功祥, 等. 南海西南次海盆深海地磁观测潜标的数据分析[J]. 地球物理学报, 2017, 60(3):1179-1188. Google Scholar
[12]	Xu X, Zhao X D, Wang G X, et al. Analysis of data from the deep-sea geomagnetic observation buoy in the southwest subbasin of the South China Sea[J]. Chinese Journal of Geophysics, 2017, 60(3):1179-1188. Google Scholar
[13]	Hill M N, Mason C S. Diurnal variation of the Earth's magnetic field at sea[J]. Nature, 1962, 195:365-366. Google Scholar
[14]	Parkinson W D, Jones F W. Geomagnetic coast effect[J]. Reviews of Geophysics, 1979, 17(8):1999-2015. Google Scholar
[15]	Auld D R, Law L K, Currie R G. Cross-over error and reference station location for a marine magnetic survey[J]. Mar Geophys.Res., 1979, 4(2):167-179. Google Scholar
[16]	王磊, 边刚, 任来平, 等. 时差对海洋磁力测量地磁日变改正的影响分析[J]. 海洋测绘, 2011, 31(6):39-41. Google Scholar
[17]	Wang L, Bian G, Ren L P, et al. Analyse on influence of time difference in geomagnetic diurnal variation correction[J]. Hydrographic Surveying and Charting, 2011, 31(6):39-41. Google Scholar
[18]	张亚彪, 张子良, 于波, 等. 海洋磁力测量地磁日变改正中的时差计算方法[J]. 海洋测绘, 2013(4),19-22. Google Scholar
[19]	Zhang Y B, Zhang Z L, Yu B, et al. Research on the time difference calculating methods for geomagnetic diurnal variation correction in marine magnetic survey[J]. Hydrographic Surveying and Charting, 2013(4),19-22. Google Scholar
[20]	边刚, 刘雁春, 卞光浪, 等. 海洋磁力测量中多站地磁日变改正值计算方法研究[J]. 地球物理学报, 2009, 52(10):2613-2618. Google Scholar
[21]	Bian G, Liu Y C, Bian G L, et al. Research on computation method of multi-station diurnal variation correction in marine magnetic surveys[J]. Chinese Journal of Geophysics, 2009, 52(10):2613-2618. Google Scholar
[22]	卞光浪, 刘雁春, 翟国君, 等. 海洋磁力测量中多站地磁日变改正基值归算[J]. 海洋测绘, 2009, 29(6):5-8. Google Scholar
[23]	Bian G L, Liu Y C, Zhai G J, et al. Base value reduction methods with multi-station diumal variation correction in marine magnetic survey[J]. Hydrographic Surveying and Charting, 2009, 29(6):5-8. Google Scholar
[24]	邵关, 魏碧辉, 刘翀. 地磁日变观测仪器的对比分析[J]. 测绘地理信息, 2014, 39(5):69-71,79. Google Scholar
[25]	Shao G, Wei B H, Liu C. Comparative analysis of magnetic diurnal variation measurement instrument[J]. Journal of Geomatics, 2014, 39(5):69-71,79. Google Scholar
[26]	贾富昊, 顾兆峰, 张振波, 等. 一种适用于海洋磁力测量的地磁日变观测系统的实测结果[J]. 海洋科学, 2020, 44 (9):74-82. Google Scholar
[27]	Jia F H, Gu Z F, Zhang Z B, et al. Analysis of a terrestrial geomagnetic diurnal variation observation system for marine magnetic survey[J]. Marine Sciences, 2020, 44(9):74-82. Google Scholar
[28]	杜兴信, 麻水歧. 陕西地区地磁湾扰异常[J]. 地球物理学报, 1987, 30(1):52-60. Google Scholar
[29]	Du X X, Ma S Q. On the anomalies of geomagnetic bays in shaanxi region[J]. Chinese Journal of Geophysics, 1987, 30(1):52-60. Google Scholar
[30]	GB/T 12763.8-2007海洋调查规范第8部分:海洋地质地球物理调查[S]. Google Scholar
[31]	GB/T 12763.8-2007 Specifications for oceanographic survey Part 8:Marine geology and geophysics survey[S]. Google Scholar
[32]	高金耀, 刘强, 翟国君, 等. 与海洋地磁日变改正有关的长期变化和磁扰的处理[J]. 海洋学报, 2009, 31(4):87-92. Google Scholar
[33]	Gao J Y, Liu Q, Zhai G J, et al. Processing of secular variation and disturbance related to marine geomagnetic diurnal variation correction[J]. Acta Oceanologica Sinica, 2009, 31(4):87-92. Google Scholar
[34]	吴水根, 林长松. 南海磁测中磁暴、磁扰的改正探讨[J]. 东海海洋, 1986(3):54-57. Google Scholar
[35]	Wu S G, Lin C S. A Study on the correction of diurnal variation magnetic storm and disturbance in the magnetic survey of the South China Sea[J]. Donghai Marine Science, 1986(3):54-57. Google Scholar