After-effects of geomagnetic storms: statistical analysis and theoretical explanation-Reference-Cited by-同舟云学术

After-effects of geomagnetic storms: statistical analysis and theoretical explanation

Published:2018-12-20 Issue:4 Volume:4 Page:32-42
ISSN:2412-4737
Container-title:Solnechno-Zemnaya Fizika
language:en
Short-container-title:

Author:

Ратовский Константин¹,Ratovsky Konstantin²,Клименко Максим³⁴,Klimenko Maksim⁵⁶,Клименко Владимир³,Klimenko Vladimir⁵,Чирик Николай⁷⁸,Chirik Nikolay⁹¹⁰,Коренькова Нина⁸,Korenkova Nina¹⁰,Котова Дарья³⁴,Kotova Daria⁵⁶

Affiliation:

1. Институт солнечно-земной физики СО РАН

2. Institute of Solar Terrestrial Physics SB RAS

3. Западное отделение ИЗМИРАН

4. Балтийский федеральный университет имени И. Канта

5. WD IZMIRAN

6. I. Kant Baltic Federal University

7. Западное отделение Института земного магнетизма, ионосферы и распространения радиоволн им. А.С. Пушкова РАН

8. Балтийский федеральный университет им. Иммануила Канта

9. West Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS

10. Immanuel Kant Baltic Federal University

Abstract

Our previous studies have shown the presence of daytime positive electron density disturb-ances during several days after the start of the recovery phase. The aim of this paper is to study after-effects of geomagnetic storms (after-storm effects), i.e. ionospher-ic effects observed on the 3–5th day after the beginning of the storm recovery phase. From numerical calcula-tions with the GSM TIP model, we have found the main mechanisms for the formation of the after-storm effects. Using Irkutsk (52° N, 104° E) and Kaliningrad (54° N, 20° E) ionosonde data, we have carried out a statistical analysis of daytime ionospheric responses to geomagnetic storms. As a result of the analysis, we obtained averaged ionospheric responses at the beginning of the storm recovery phase and for five consecutive days. The statistical analysis results received near the beginning of the recovery phase are in good agreement with the well-known ionospheric effects of geomagnetic storms obtained in previous studies. For the first time, the obtained statistics of iono-spheric responses observed on the 3–5th day after the beginning of the recovery phase allowed us to reveal the dependence of after-storm ionospheric effects on season, storm intensity, and ionosonde geomagnetic latitude. In addition, we for the first time present the interpretation of after-storm ionospheric effects from numerical simulation results.

Publisher

Infra-M Academic Publishing House

Subject

Space and Planetary Science,Atmospheric Science,Geophysics

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