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An ionospheric index suitable for estimating the degree of ionospheric perturbations

Wilken, Volker and Kriegel, Martin and Jakowski, Norbert and Berdermann, Jens (2018) An ionospheric index suitable for estimating the degree of ionospheric perturbations. Journal of Space Weather and Space Climate. EDP Sciences. ISSN 2115-7251

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Official URL: https://www.swsc-journal.org/

Abstract

Space weather can strongly affect trans-ionospheric radio signals depending on the used frequency. In order to assess the strength of a space weather event from its origin at the sun towards its impact on the ionosphere a number of physical quantities need to be derived from scientific measurements. These are for example the Wolf number sunspot index, the solar flux density F10.7, measurements of the interplanetary magnetic field, the proton density, the solar wind speed, the dynamical pressure, the geomagnetic indices Auroral Electrojet (AE), Kp , Ap and Dst as well as the Total Electron Content (TEC), the Rate of TEC (ROTI), the scintillation indices S4 and the Along-Arc TEC Rate index (AATR) index. All these quantities provide in combination with an additional classification an orientation in a physical complex environment. Hence, they are used for brief communication of a simplified but appropriate space situation awareness. However, space weather driven ionospheric phenomena can affect many customers in the communication and navigation domain, which are still served inadequately by the existing indices. We present a new robust index, that is able to properly characterize temporal and spatial ionospheric variations of small to medium scales. The proposed ionospheric disturbance index can overcome several drawbacks of other ionospheric measures and might be suitable as potential driver for an ionospheric space weather scale.

Item URL in elib:https://elib.dlr.de/115833/
Document Type:Article
Title:An ionospheric index suitable for estimating the degree of ionospheric perturbations
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wilken, VolkerVolker.Wilken (at) dlr.deUNSPECIFIED
Kriegel, MartinMartin.Kriegel (at) dlr.deUNSPECIFIED
Jakowski, NorbertNorbert.Jakowski (at) dlr.deUNSPECIFIED
Berdermann, JensJens.Berdermann (at) dlr.dehttps://orcid.org/0000-0002-3308-4584
Date:27 March 2018
Journal or Publication Title:Journal of Space Weather and Space Climate
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Publisher:EDP Sciences
ISSN:2115-7251
Status:Published
Keywords:ionosphere ionospheric disturbance index geomagnetic storm event
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: Wilken, Dr.rer.nat. Volker
Deposited On:09 Feb 2018 11:37
Last Modified:10 Jan 2019 15:51

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