elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Impressum | Datenschutz | Barrierefreiheit | Kontakt | English
Schriftgröße: [-] Text [+]

Persistent solar wind driving of the high-latitude ionosphere during winter night conditions

Borries, Claudia und Iochem, Pelin und Wissing, Jan Maik (2025) Persistent solar wind driving of the high-latitude ionosphere during winter night conditions. IAGA/IASPEI Joint Scientific Meeting 2025, 2025-08-31 - 2025-09-05, Lisbon, Portugal.

[img] PDF - Nur DLR-intern zugänglich
2MB

Kurzfassung

The modelling and prediction of ionospheric storm effects driven by solar wind are still a challenge for the research community. Recently, it has been shown that there exists a persistent modulation of the high-latitude ionosphere with the solar wind variability. Here, we are investigating the potential source mechanisms of the persistent ionosphere modulation during winter night conditions. We us a set of ionosphere observations (EISCAT, IGS Total Electron Content, Tromso ionosonde) as well as AISstorm, a high-resolution numerical model that simulates atmospheric ionization rates caused by precipitating particles. For the approximation of the solar wind energy into the Earth system, we compute the Kan-Lee merging electric field Em provided by OMNI. We studying the correlation and time lag between the variability of Em and the ionospheric parameters and characterize the spatial extent of the regions with highest solar wind correlations. A correlation of ionospheric parameters and Em is present in both, the E- and F-region during winter night condition. The time lag in the E-region (45-90 minutes) is smaller than in the F-region (90-135 minutes). Both, precipitation effects and plasma convection can be observed during the EISCAT campaigns. The region with the highest correlation extends along the auroral oval. The temporal and spatial occurrence agrees well with the occurrence of E- and F-region precipitation reproduced by AISstorm. We conclude that both, precipitation and plasma convection effects, are major contributors to the modulation of the high-latitude ionosphere observations with solar wind variability.

elib-URL des Eintrags:https://elib.dlr.de/216471/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Persistent solar wind driving of the high-latitude ionosphere during winter night conditions
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Borries, Claudiaclaudia.borries (at) dlr.dehttps://orcid.org/0000-0001-9948-3353NICHT SPEZIFIZIERT
Iochem, Pelinpelin.iochem (at) dlr.dehttps://orcid.org/0000-0003-4308-8439NICHT SPEZIFIZIERT
Wissing, Jan Maikjan.wissing (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:1 September 2025
Referierte Publikation:Nein
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:ionosphere, space weather, thermosphere, solar wind
Veranstaltungstitel:IAGA/IASPEI Joint Scientific Meeting 2025
Veranstaltungsort:Lisbon, Portugal
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:31 August 2025
Veranstaltungsende:5 September 2025
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erdbeobachtung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):R - Solar-Terrestrische Kopplungsprozesse, R - Solar-Terrestrische Physik SO
Standort: Neustrelitz
Institute & Einrichtungen:Institut für Solar-Terrestrische Physik > Solar-Terrestrische Kopplungsprozesse
Institut für Solar-Terrestrische Physik
Hinterlegt von: Borries, Dr. Claudia
Hinterlegt am:22 Sep 2025 10:19
Letzte Änderung:22 Sep 2025 10:19

Nur für Mitarbeiter des Archivs: Kontrollseite des Eintrags

Blättern
Suchen
Hilfe & Kontakt
Informationen
OpenAIRE Validator logo electronic library verwendet EPrints 3.3.12
Gestaltung Webseite und Datenbank: Copyright © Deutsches Zentrum für Luft- und Raumfahrt (DLR). Alle Rechte vorbehalten.