Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk
We analyze the influence of geomagnetic disturbances on the electron density Ne at Norilsk ionospheric station (69° N; 88° E) at F1-layer heights (120–200 km). For the analysis, we have selected 25 moderate and weak geomagnetic disturbances for two seasons — spring and fall — of 2003–2014. Using the...
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ftdoajarticles:oai:doaj.org/article:cf0a503f5ace43d4b84e2819413f85c7 2023-05-15T17:24:58+02:00 Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk Kushnarenko G.P. Yakovleva O.E. Kuznetsova G.M. 2019-06-01T00:00:00Z https://doaj.org/article/cf0a503f5ace43d4b84e2819413f85c7 EN eng INFRA-M https://naukaru.ru/en/nauka/article/29515/view https://doaj.org/toc/2500-0535 doi.org/10.12737/stp-52201916 2500-0535 https://doaj.org/article/cf0a503f5ace43d4b84e2819413f85c7 Solar-Terrestrial Physics, Vol 5, Iss 2, Pp 113-115 (2019) geomagnetic disturbances electron density spring-fall asymmetry Astrophysics QB460-466 article 2019 ftdoajarticles https://doi.org/10.12737/stp-52201916 2022-12-31T09:08:19Z We analyze the influence of geomagnetic disturbances on the electron density Ne at Norilsk ionospheric station (69° N; 88° E) at F1-layer heights (120–200 km). For the analysis, we have selected 25 moderate and weak geomagnetic disturbances for two seasons — spring and fall — of 2003–2014. Using the Ne values obtained from measurements made with the Norilsk digisonde during this period, we analyze Ne variations during geomagnetic disturbances in spring and fall for a long period of time. We determine the effect of spring-fall asymmetry occurring in all solar activity phases and manifesting itself in a significant decrease in the electron density during the main phase of fall storms at all heights in comparison with quiet days: up to 2.6 times at a height of 200 km and slightly less at lower heights. This phenomenon is not observed during spring disturbances: Ne variations are much weaker. Article in Journal/Newspaper norilsk Directory of Open Access Journals: DOAJ Articles Norilsk ENVELOPE(88.203,88.203,69.354,69.354) Solar-Terrestrial Physics 5 2 113 115 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
geomagnetic disturbances electron density spring-fall asymmetry Astrophysics QB460-466 |
spellingShingle |
geomagnetic disturbances electron density spring-fall asymmetry Astrophysics QB460-466 Kushnarenko G.P. Yakovleva O.E. Kuznetsova G.M. Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk |
topic_facet |
geomagnetic disturbances electron density spring-fall asymmetry Astrophysics QB460-466 |
description |
We analyze the influence of geomagnetic disturbances on the electron density Ne at Norilsk ionospheric station (69° N; 88° E) at F1-layer heights (120–200 km). For the analysis, we have selected 25 moderate and weak geomagnetic disturbances for two seasons — spring and fall — of 2003–2014. Using the Ne values obtained from measurements made with the Norilsk digisonde during this period, we analyze Ne variations during geomagnetic disturbances in spring and fall for a long period of time. We determine the effect of spring-fall asymmetry occurring in all solar activity phases and manifesting itself in a significant decrease in the electron density during the main phase of fall storms at all heights in comparison with quiet days: up to 2.6 times at a height of 200 km and slightly less at lower heights. This phenomenon is not observed during spring disturbances: Ne variations are much weaker. |
format |
Article in Journal/Newspaper |
author |
Kushnarenko G.P. Yakovleva O.E. Kuznetsova G.M. |
author_facet |
Kushnarenko G.P. Yakovleva O.E. Kuznetsova G.M. |
author_sort |
Kushnarenko G.P. |
title |
Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk |
title_short |
Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk |
title_full |
Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk |
title_fullStr |
Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk |
title_full_unstemmed |
Geomagnetic disturbances at F1-layer heights under different solar activity conditions over Norilsk |
title_sort |
geomagnetic disturbances at f1-layer heights under different solar activity conditions over norilsk |
publisher |
INFRA-M |
publishDate |
2019 |
url |
https://doaj.org/article/cf0a503f5ace43d4b84e2819413f85c7 |
long_lat |
ENVELOPE(88.203,88.203,69.354,69.354) |
geographic |
Norilsk |
geographic_facet |
Norilsk |
genre |
norilsk |
genre_facet |
norilsk |
op_source |
Solar-Terrestrial Physics, Vol 5, Iss 2, Pp 113-115 (2019) |
op_relation |
https://naukaru.ru/en/nauka/article/29515/view https://doaj.org/toc/2500-0535 doi.org/10.12737/stp-52201916 2500-0535 https://doaj.org/article/cf0a503f5ace43d4b84e2819413f85c7 |
op_doi |
https://doi.org/10.12737/stp-52201916 |
container_title |
Solar-Terrestrial Physics |
container_volume |
5 |
container_issue |
2 |
container_start_page |
113 |
op_container_end_page |
115 |
_version_ |
1766116276019658752 |