Influences of the earth’s magnetic field on the transient electromagnetiprocess in the geoelectric field: An experimental study

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Influences of the earth’s magnetic field on the transient electromagnetiprocess in the geoelectric field: An experimental study. / Mogilatov, V. S.; Potapov, V. V.; Shein, N. et al.

In: Russian Geology and Geophysics, Vol. 62, No. 12, 8, 12.2021, p. 1430-1439.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{555a5b61130243c6bd87385a1fd1b782,

title = "Influences of the earth{\textquoteright}s magnetic field on the transient electromagnetiprocess in the geoelectric field: An experimental study",

abstract = "A mathematical model of the influence of the Earth{\textquoteright}s magnetic field (the Hall effect) on results of the controlled source transient electromagnetic (TEM) method has been elaborated. For identification of this effect, we propose a schematic layout of the experimental grounded system with a pulsed loop source and signals recording by radial receive lines equally spaced relative to the loop. The 2018–2019 special field experiments were conducted in the Tatar region of the West Siberian Lowland with an aim to estimate the Hall effect contributions to the TEM method. To detect the Hall effect, transient electromagnetic responses were measured mainly by four receive lines radiating from a 500×500 m square loop. Analysis of the TEM results processing aimed at improving the signal quality and reducing the interference revealed a great similarity in signals from the radial lines, which is theoretically possible only under the Hall effect. Comparison of the field signals with the theoretical ones enabled estimation of the components caused by the Hall effect, in particular, conductivity at ~0.002 S/m.",

keywords = "Controlled source transient electromagnetic (TEM) method, Electrical prospecting, Geomagnetic field, Hall eff",

author = "Mogilatov, {V. S.} and Potapov, {V. V.} and N. Shein and V. Gur{\textquoteright}ev",

note = "Funding Information: The research was supported by the Russian Foundation for Basic Research, Grant No. 17-05-00083. Publisher Copyright: Russian Geology and Geophysics {\textcopyright} 2021, Novosibirsk State University.",

year = "2021",

month = dec,

doi = "10.2113/RGG20204192",

language = "English",

volume = "62",

pages = "1430--1439",

journal = "Russian Geology and Geophysics",

issn = "1068-7971",

publisher = "Elsevier Science B.V.",

number = "12",

}

RIS

TY - JOUR

T1 - Influences of the earth’s magnetic field on the transient electromagnetiprocess in the geoelectric field: An experimental study

AU - Mogilatov, V. S.

AU - Potapov, V. V.

AU - Shein, N.

AU - Gur’ev, V.

N1 - Funding Information: The research was supported by the Russian Foundation for Basic Research, Grant No. 17-05-00083. Publisher Copyright: Russian Geology and Geophysics © 2021, Novosibirsk State University.

PY - 2021/12

Y1 - 2021/12

N2 - A mathematical model of the influence of the Earth’s magnetic field (the Hall effect) on results of the controlled source transient electromagnetic (TEM) method has been elaborated. For identification of this effect, we propose a schematic layout of the experimental grounded system with a pulsed loop source and signals recording by radial receive lines equally spaced relative to the loop. The 2018–2019 special field experiments were conducted in the Tatar region of the West Siberian Lowland with an aim to estimate the Hall effect contributions to the TEM method. To detect the Hall effect, transient electromagnetic responses were measured mainly by four receive lines radiating from a 500×500 m square loop. Analysis of the TEM results processing aimed at improving the signal quality and reducing the interference revealed a great similarity in signals from the radial lines, which is theoretically possible only under the Hall effect. Comparison of the field signals with the theoretical ones enabled estimation of the components caused by the Hall effect, in particular, conductivity at ~0.002 S/m.

AB - A mathematical model of the influence of the Earth’s magnetic field (the Hall effect) on results of the controlled source transient electromagnetic (TEM) method has been elaborated. For identification of this effect, we propose a schematic layout of the experimental grounded system with a pulsed loop source and signals recording by radial receive lines equally spaced relative to the loop. The 2018–2019 special field experiments were conducted in the Tatar region of the West Siberian Lowland with an aim to estimate the Hall effect contributions to the TEM method. To detect the Hall effect, transient electromagnetic responses were measured mainly by four receive lines radiating from a 500×500 m square loop. Analysis of the TEM results processing aimed at improving the signal quality and reducing the interference revealed a great similarity in signals from the radial lines, which is theoretically possible only under the Hall effect. Comparison of the field signals with the theoretical ones enabled estimation of the components caused by the Hall effect, in particular, conductivity at ~0.002 S/m.

KW - Controlled source transient electromagnetic (TEM) method

KW - Electrical prospecting

KW - Geomagnetic field

KW - Hall eff

UR - http://www.scopus.com/inward/record.url?scp=85121386416&partnerID=8YFLogxK

UR - https://www.elibrary.ru/item.asp?id=47546570

UR - https://www.mendeley.com/catalogue/64fa452e-9d89-38e2-9ec5-cf6f1bdff038/

U2 - 10.2113/RGG20204192

DO - 10.2113/RGG20204192

M3 - Article

AN - SCOPUS:85121386416

VL - 62

SP - 1430

EP - 1439

JO - Russian Geology and Geophysics

JF - Russian Geology and Geophysics

SN - 1068-7971

IS - 12

M1 - 8

ER -

ID: 35258923