Ionospheric Effects of the Sudden Stratospheric Warming in 2009: Results of Simulation with the First Version of the EAGLE Model

D. V. Kulyamin; Kh. Shmidt; B. Funke; E. V. Rozanov; M. V. Klimenko; F. S. Bessarab; T. V. Sukhodolov; V. V. Klimenko; Yu. N. Koren’kov; I. E. Zakharenkova; N. V. Chirik; P. A. Vasil’ev

doi:10.1134/S1990793118040103

Ionospheric Effects of the Sudden Stratospheric Warming in 2009: Results of Simulation with the First Version of the EAGLE Model

Авторлар: Kulyamin D.V.¹^,2, Shmidt K.³, Funke B.⁴, Rozanov E.V.¹^,5^,6, Klimenko M.V.¹^,7, Bessarab F.S.¹^,7, Sukhodolov T.V.¹^,5^,6, Klimenko V.V.¹, Koren’kov Y.N.¹, Zakharenkova I.E.¹, Chirik N.V.¹^,7, Vasil’ev P.A.¹^,7
Мекемелер:
1. Kaliningrad Branch of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation
2. Research Computing Center of the Moscow State University
3. Max Planck Institute for Meteorology
4. Instituto de Astrofısica de Andalucia, CSIC
5. Physikalisch-Meteorologisches Observatorium
6. Institute for Atmospheric and Climate Science
7. Immanuel Kant Baltic Federal University
Шығарылым: Том 12, № 4 (2018)
Беттер: 760-770
Бөлім: Chemical Physics of Atmospheric Phenomena
URL: https://journals.rcsi.science/1990-7931/article/view/200943
DOI: https://doi.org/10.1134/S1990793118040103
ID: 200943

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In this paper, we discuss perturbations in neutral temperature, total electron content (TEC), and critical frequency of the maximum of the F2 layer (foF2) during the sudden stratospheric warming in January 2009. The calculations were performed using the first version of the EAGLE (Entire Atmosphere Global Model), which is a combination of the models of the low–middle atmosphere (HAMMONIA) and the upper atmosphere (GSM TIP). The EAGLE reproduces observed stratospheric warming and related mesospheric cooling in the northern polar cap in January 2009. At thermospheric altitudes, the neutral temperature perturbations have a quasi-wave character with a wavelength of ∼40 km in the vertical direction. Our results indicate that the HAMMONIA model should be used in the EAGLE instead of the GSM TIP model for the neutral temperature calculations in the altitude region from 80 to 120 km. It is shown that the obtained model foF2 and TEC perturbations are mainly related to seasonal variations. The most-pronounced perturbations in the ionospheric electron density due to stratospheric warming are formed near the equator and are basically negative. Our analysis of the neutral temperature and electron density perturbations made it possible to conclude that the dependence of ionospheric parameters on seasonal changes in solar zenith angle is stronger than for the thermosphere parameters.

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global models, sudden stratospheric warming, mesosphere, thermosphere, ionosphere, total electron content (TEC)

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Ionospheric Effects of the Sudden Stratospheric Warming in 2009: Results of Simulation with the First Version of the EAGLE Model

Толық мәтін

Аннотация

Негізгі сөздер

Авторлар туралы

D. Kulyamin

Kh. Shmidt

B. Funke

E. Rozanov

M. Klimenko

F. Bessarab

T. Sukhodolov

V. Klimenko

Yu. Koren’kov

I. Zakharenkova

N. Chirik

P. Vasil’ev

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