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7 December 2022 Natural potentials in cryolithozone during magnetic storms in the swamps
V. I. Kozlov, D. G. Baishev, E. A. Pavlov
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Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234169 (2022) https://doi.org/10.1117/12.2644829
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia
Abstract
The diurnal, seasonal and interannual variations of natural potentials at two sites in the permafrost zone at the SHICRA SB RAS test site near Yakutsk from autumn 2017 to spring 2022 in the absence of geomagnetic disturbances and variations in natural potentials during geomagnetic disturbances with maximum thawing of the upper soil layer (September) and with complete freezing (end of January) are considered. Potential variations on the line in the dry area correlate with variations in the swampy area, but are less than about 10 times in magnitude. Measurements of variations in natural potentials during geomagnetic storms carried out at the moments of maximum thawing of the seasonally thawed layer on 07-08 September 2017, and maximum freezing of the entire soil on 25-26 January 2021. Potential variations on the line in the dry section correlate with variations in the swampy area in the presence during a geomagnetic substorm on 2 April 2021, but are less in magnitude by about 10 times. With complete freezing of the soil, a steeper dependence of the potential difference magnitude E(N-S) (mV/100m) on a value of the geomagnetic field (rel. unit of ADU-07e) during pulsations is observed than with maximum thawing of the upper part of the soil.
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V. I. Kozlov, D. G. Baishev, and E. A. Pavlov "Natural potentials in cryolithozone during magnetic storms in the swamps", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234169 (7 December 2022); https://doi.org/10.1117/12.2644829
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KEYWORDS
Magnetism
Soil science
Sensors
Atmospheric sciences
Electromagnetism
Magnetic sensors
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