Results and perspectives of tectonomagnetic investigations in the Western Antarctic

The results of long-term (1998-2005 yrs.) tectonomagnetic investigations in the Western Antarctic near the location<br />of Ukrainian Antarctic Station «Academic Vernadsky» are reviewed. The peculiarities of the Earth’s<br />anomalous magnetic field and its dynamic tempor...

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Main Authors: Ihor O. Chobotok, Yurij M. Horodyskyy, Vladimir G. Bakhmutov, Valentin Yu. Maksymchuk
Format: Article
Language:English
Published: Istituto Nazionale di Geofisica e Vulcanologia (INGV) 2009-06-01
Series:Annals of Geophysics
Subjects:
Online Access:http://www.annalsofgeophysics.eu/index.php/annals/article/view/4571
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author Ihor O. Chobotok
Yurij M. Horodyskyy
Vladimir G. Bakhmutov
Valentin Yu. Maksymchuk
author_facet Ihor O. Chobotok
Yurij M. Horodyskyy
Vladimir G. Bakhmutov
Valentin Yu. Maksymchuk
author_sort Ihor O. Chobotok
collection DOAJ
description The results of long-term (1998-2005 yrs.) tectonomagnetic investigations in the Western Antarctic near the location<br />of Ukrainian Antarctic Station «Academic Vernadsky» are reviewed. The peculiarities of the Earth’s<br />anomalous magnetic field and its dynamic temporal variations (tectonomagnetic anomalies) were studied using<br />the newly founded tectonomagnetic polygon. Near the Argentine Archipelago intensive tectonomagnetic effects<br />up to -2.8 nT/year were determined. Their spatial-temporal structure agrees with tectonic structure elements. We<br />suggest that the nature of such effects is caused by a piezomagnetic effect under the influence of stretching tectonic<br />forces (few bars per year) in sub-latitudinal direction. Perspectives of tectonomagnetic investigations in the<br />region are discussed.
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spelling doaj.art-26899b46529643eb9f6f4eea7678f7fd2022-12-22T00:11:55ZengIstituto Nazionale di Geofisica e Vulcanologia (INGV)Annals of Geophysics1593-52132037-416X2009-06-01521354310.4401/ag-4571Results and perspectives of tectonomagnetic investigations in the Western AntarcticIhor O. ChobotokYurij M. HorodyskyyVladimir G. BakhmutovValentin Yu. MaksymchukThe results of long-term (1998-2005 yrs.) tectonomagnetic investigations in the Western Antarctic near the location<br />of Ukrainian Antarctic Station «Academic Vernadsky» are reviewed. The peculiarities of the Earth’s<br />anomalous magnetic field and its dynamic temporal variations (tectonomagnetic anomalies) were studied using<br />the newly founded tectonomagnetic polygon. Near the Argentine Archipelago intensive tectonomagnetic effects<br />up to -2.8 nT/year were determined. Their spatial-temporal structure agrees with tectonic structure elements. We<br />suggest that the nature of such effects is caused by a piezomagnetic effect under the influence of stretching tectonic<br />forces (few bars per year) in sub-latitudinal direction. Perspectives of tectonomagnetic investigations in the<br />region are discussed.http://www.annalsofgeophysics.eu/index.php/annals/article/view/4571tectonomagnetic anomaly – geodynamics – stretching tectonic forces
spellingShingle Ihor O. Chobotok
Yurij M. Horodyskyy
Vladimir G. Bakhmutov
Valentin Yu. Maksymchuk
Results and perspectives of tectonomagnetic investigations in the Western Antarctic
Annals of Geophysics
tectonomagnetic anomaly – geodynamics – stretching tectonic forces
title Results and perspectives of tectonomagnetic investigations in the Western Antarctic
title_full Results and perspectives of tectonomagnetic investigations in the Western Antarctic
title_fullStr Results and perspectives of tectonomagnetic investigations in the Western Antarctic
title_full_unstemmed Results and perspectives of tectonomagnetic investigations in the Western Antarctic
title_short Results and perspectives of tectonomagnetic investigations in the Western Antarctic
title_sort results and perspectives of tectonomagnetic investigations in the western antarctic
topic tectonomagnetic anomaly – geodynamics – stretching tectonic forces
url http://www.annalsofgeophysics.eu/index.php/annals/article/view/4571
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