The first ever application of electromagnetic sounding for mapping the submarine permafrost table on the Laptev Sea shelf


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Аннотация

The inconsistency between the position of the submarine permafrost table in the East Arctic seas revealed by simulation and anomalies in the distribution of dissolved methane associated with ascending torchlike ejections of bubbling methane made it necessary to develop a representative geophysical express method, which allows the position of the submarine permafrost table to be determined. The method is based on sounding of the generated primary electromagnetic field in the near zone of the medium and measurement of the induced secondary EM field. The reliability of the method is confirmed by core drilling in the Laptev Sea.

Авторлар туралы

A. Koshurnikov

Geological Department

Хат алмасуға жауапты Автор.
Email: koshurnikov@msu-geophysics.ru
Ресей, Moscow, 119991

V. Tumskoy

Tomsk Polytechnical University

Email: koshurnikov@msu-geophysics.ru
Ресей, pr. Lenina 43A, Tomsk

N. Shakhova

Tomsk Polytechnical University

Email: koshurnikov@msu-geophysics.ru
Ресей, pr. Lenina 43A, Tomsk

V. Sergienko

Institute of Chemistry, Far East Branch

Email: koshurnikov@msu-geophysics.ru
Ресей, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

O. Dudarev

Tomsk Polytechnical University; Il’ichev Pacific Institute of Oceanology, Far East Branch

Email: koshurnikov@msu-geophysics.ru
Ресей, pr. Lenina 43A, Tomsk; ul. Baltiiskaya 43, Vladivostok, 690041

A. Gunar

Geological Department

Email: koshurnikov@msu-geophysics.ru
Ресей, Moscow, 119991

P. Pushkarev

Geological Department

Email: koshurnikov@msu-geophysics.ru
Ресей, Moscow, 119991

I. Semiletov

Tomsk Polytechnical University; Il’ichev Pacific Institute of Oceanology, Far East Branch

Email: koshurnikov@msu-geophysics.ru
Ресей, pr. Lenina 43A, Tomsk; ul. Baltiiskaya 43, Vladivostok, 690041

A. Koshurnikov

Moscow Research Institute of Electronics and Mathematics

Email: koshurnikov@msu-geophysics.ru
Ресей, ul. Tallinskaya 34, Moscow, 123458

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