Spatial distribution of temperature during geomagnetic disturbances

Ashkhen Karakhanyan; Sergey Molodykh

doi:10.12737/stp-44201808

UDC 55

SPATIAL DISTRIBUTION OF TEMPERATURE DURING GEOMAGNETIC DISTURBANCES Spatial distribution of temperature during geomagnetic disturbances

АА Аа

Published in Solar-Terrestrial Physics · Volume 4, Issue 4 · Pages 59–62 · Rubric: Results of current research

DOI: https://doi.org/10.12737/stp-44201808

Received: 20.12.2018 Accepted: 16.03.2026 Language of publication: RUS

Authors

Ashkhen Karakhanyan

Sergey Molodykh

Ashkhen Karakhanyan

Academic degree: candidate of physical and mathematical sciences

Institute of Solar-Terrestrial Physics SB RAS Russian Federation · Irkutsk

Sergey Molodykh

Academic degree: candidate of physical and mathematical sciences

Institute of Solar-Terrestrial Physics SB RAS Russian Federation · Irkutsk

ABSTRACT

We propose an index of efficiency of the solar activity effect on the tropospheric temperature, which takes into account the spatial irregularity of the response to this effect. As a proxy of solar activity we take the PC index of geomagnetic activity, designed to monitor the geomagnetic field at high latitudes. Using NCEP/NCAR reanalysis data, we carry out a comparative analysis of variations in the proposed index and lower-troposphere temperature variations during geomagnetic disturbances. We identify the presence of a high degree of correlation between the temperature in the 925–700 hPa layer and the proposed index of solar activity effect. The spatio-temporal analysis of the index and temperature variations shows that the index of effi-ciency of the solar activity effect describes well both the value and the sign of the observed variations in the spa-tial distribution of the lower-troposphere temperature as compared to the frequently used index of geomagnetic activity.

KEYWORDS

solar activity, geomagnetic disturbance, geomagnetic activity index, temperature, humidity, solar-terrestrial relationships

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Editor-in-Chief

Geliy Zherebtsov

solater@iszf.irk.ru

Deputy Editor-in-Chief

Aleksandr Stepanov

stepanov@gaoran.ru

Deputy Editor-in-Chief

Alexander Potapov

potapov@iszf.irk.ru

Executive Secretary of Editorial Board

Natalia Polyushkina

npol@iszf.irk.ru

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GOST

Karakhanyan A. A., Molodykh S. I. Spatial distribution of temperature during geomagnetic disturbances // Solar-Terrestrial Physics. 2018. no. 4. pp. 59-62. DOI: https://doi.org/10.12737/stp-44201808. (Date of access 20.10.2026).

MLA

Ashkhen Karakhanyan, Molodykh S. I.. "Spatial distribution of temperature during geomagnetic disturbances." Solar-Terrestrial Physics 4.4 (2018): 59-62. DOI: https://doi.org/10.12737/stp-44201808.

APA

Karakhanyan A. A., Molodykh S. I. (2018). Spatial distribution of temperature during geomagnetic disturbances. Solar-Terrestrial Physics, 4(4), 59-62. https://doi.org/10.12737/stp-44201808

Chicago

Ashkhen Karakhanyan, Molodykh S. I.. "Spatial distribution of temperature during geomagnetic disturbances." Solar-Terrestrial Physics 4, no. 4 (2018): 59-62. https://doi.org/10.12737/stp-44201808.

WIKI

{{cite journal | author = Karakhanyan A. A., Molodykh S. I. | title = Spatial distribution of temperature during geomagnetic disturbances | journal = Solar-Terrestrial Physics | year = 2018 | volume = 4 | issue = 4 | pages = 59-62 | doi = 10.12737/stp-44201808 }}

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SPATIAL DISTRIBUTION OF TEMPERATURE DURING GEOMAGNETIC DISTURBANCES Spatial distribution of temperature during geomagnetic disturbances

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