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Study of the delayed ionospheric response to solar EUV

Schmölter, Erik and Berdermann, Jens and Jakowski, Norbert and Jacobi, Christoph (2018) Study of the delayed ionospheric response to solar EUV. VII Brazilian Symposium on Space Geophysics and Aeronomy, 5. Nov. - 9. Nov. 2018, Brazilien.

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Physical and chemical processes in the ionosphere are driven by complex interactions of the neutral and ionized atmospheric constituents with the solar radiation. The ionospheric plasma is in particular sensitive to solar EUV and UV variations with a time delay between one and two days. This delay is assumed to be related to thermospheric transport processes from the lower ionosphere to the F region. In previous analyses, the delay has been investigated using the F10.7 index. Here we present preliminary analyses of the ionospheric delay based on a comprehensive and reliable database consisting of GNSS TEC maps and EUV spectral flux data. We plan to specify the various dependencies of the delay on geographic/geomagnetic location, altitude, season, local time, geophysical, and solar radiation conditions such as the solar activity level. We will present first results for the seasonal and EUV wavelength region dependency of the ionosphere. These results can provide more insight into ionospheric processes and are of interest for applications depending on reliable ionospheric weather forecasts, e.g. GNSS error analyses, prediction and mitigation.

Item URL in elib:https://elib.dlr.de/126907/
Document Type:Conference or Workshop Item (Speech)
Title:Study of the delayed ionospheric response to solar EUV
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schmölter, ErikErik.Schmoelter (at) dlr.dehttps://orcid.org/0000-0002-9284-6489
Berdermann, JensJens.Berdermann (at) dlr.dehttps://orcid.org/0000-0002-3308-4584
Jakowski, NorbertNorbert.Jakowski (at) dlr.dehttps://orcid.org/0000-0003-3174-2624
Jacobi, ChristophInstitute for Meteorology,University Leipzig, Germanyhttps://orcid.org/0000-0002-7878-0110
Date:5 November 2018
Refereed publication:No
Open Access:No
In ISI Web of Science:No
Keywords:Ionosphäre, EUV
Event Title:VII Brazilian Symposium on Space Geophysics and Aeronomy
Event Location:Brazilien
Event Type:international Conference
Event Dates:5. Nov. - 9. Nov. 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Ionosphäre
Location: Neustrelitz
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: Schmölter, Erik
Deposited On:26 Mar 2019 10:07
Last Modified:26 Mar 2019 10:07

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