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Monitoring of the ionospheric storm on 10/11 March 2011 over Europe and related impact on the Norwegian national positioning network CPOS

Jakowski, Norbert and Wilken, Volker and Borries, Claudia and Jacobsen, Knut Stanley and Schäfer, Sebastian (2011) Monitoring of the ionospheric storm on 10/11 March 2011 over Europe and related impact on the Norwegian national positioning network CPOS. 8th European Space Weather Week, 28.Nov. - 2.Dez.2011, Namur, Belgien.

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Abstract

Ionospheric storms have the capability to degrade precise positioning services and affect Safety of Life (SoL) applications of Global Navigation Satellite Systems (GNSS). Thus, near real time detection and forecasting of ionospheric storms might warn users to prevent misinterpretation of data in positioning and avoid hazardous misleading information (HMI) in SoL applications. In this talk we report the behaviour of ionospheric Total Electron Content (TEC) during the minor geomagnetic storm on 10-11 March 2011 observed via the Space Weather Application Center-Ionosphere (SWACI) of the German Aerospace Center and by using monitoring facilities of the Norwegian Mapping Authority. The relationships of ionospheric features with space weather factors such as solar irradiance, solar wind and geomagnetic activity are discussed. It has been found that storm pattern move from high to mid-latitudes during the storm. Preliminary attempts to forecast the TEC behaviour over Europe one hour ahead under perturbed conditions are discussed. The strength of ionospheric perturbation degree is estimated by using different methods. Thus, a preliminary version of a Disturbance Ionosphere indeX (DIX) generated by DLR and the I95 index generated by NMA while operating the Norwegian national positioning network CPOS, are compared in relation to GNSS network disturbances seen in CPOS. The disturbances are occurring in longitudinal bands, indicating a relation to the auroral oval, and significant disturbances are sometimes seen as far south as 60 degrees latitude.

Item URL in elib:https://elib.dlr.de/72704/
Document Type:Conference or Workshop Item (Poster)
Title:Monitoring of the ionospheric storm on 10/11 March 2011 over Europe and related impact on the Norwegian national positioning network CPOS
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Jakowski, Norbertnorbert.jakowski (at) dlr.deUNSPECIFIED
Wilken, Volkervolker.wilken (at) dlr.deUNSPECIFIED
Borries, ClaudiaClaudia.Borries (at) dlr.deUNSPECIFIED
Jacobsen, Knut StanleyNorwegian Mapping AuthorityUNSPECIFIED
Schäfer, SebastianNorwegian Mapping AuthorityUNSPECIFIED
Date:28 November 2011
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Ionosphere, disturbance, index, positioning, auroral oval, TEC
Event Title:8th European Space Weather Week
Event Location:Namur, Belgien
Event Type:international Conference
Event Dates:28.Nov. - 2.Dez.2011
Organizer:ESA, Solar-Terrest6rial Centre of Excellence, Belgium
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 > Navigation
Deposited By: Jakowski, Dr.rer.nat. Norbert
Deposited On:12 Dec 2011 09:12
Last Modified:12 Dec 2011 09:12

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