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Tomography of the ionospheric electron density with geostatistical inversion

Minkwitz, David and van den Boogaart, Karl Gerald and Gerzen, Tatjana and Hoque, Mohammed Mainul (2015) Tomography of the ionospheric electron density with geostatistical inversion. Annales Geophysicae (33), pp. 1071-1079. Copernicus Publications. DOI: 10.5194/angeo-33-1071-2015 ISSN 0992-7689

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Official URL: http://www.ann-geophys.net/33/1071/2015/angeo-33-1071-2015.html

Abstract

In relation to satellite applications like global navigation satellite systems (GNSS) and remote sensing, the electron density distribution of the ionosphere has significant influence on trans-ionospheric radio signal propagation. In this paper, we develop a novel ionospheric tomography approach providing the estimation of the electron density’s spatial covariance and based on a best linear unbiased estimator of the 3-D electron density. Therefore a non-stationary and anisotropic covariance model is set up and its parameters are determined within a maximum-likelihood approach incorporating GNSS total electron content measurements and the NeQuick model as background. As a first assessment this 3-D simple kriging approach is applied to a part of Europe. We illustrate the estimated covariance model revealing the different correlation lengths in latitude and longitude direction and its non-stationarity. Furthermore, we show promising improvements of the reconstructed electron densities compared to the background model through the validation of the ionosondes Rome, Italy (RO041), and Dourbes, Belgium (DB049), with electron density profiles for 1 day.

Item URL in elib:https://elib.dlr.de/99453/
Document Type:Article
Title:Tomography of the ionospheric electron density with geostatistical inversion
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Minkwitz, Daviddavid.minkwitz (at) dlr.deUNSPECIFIED
van den Boogaart, Karl GeraldTU Freiberg, HZDRUNSPECIFIED
Gerzen, Tatjanatatjana.gerzen (at) dlr.deUNSPECIFIED
Hoque, Mohammed MainulMainul.Hoque (at) dlr.deUNSPECIFIED
Date:31 August 2015
Journal or Publication Title:Annales Geophysicae
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.5194/angeo-33-1071-2015
Page Range:pp. 1071-1079
Publisher:Copernicus Publications
ISSN:0992-7689
Status:Published
Keywords:Ionosphere, Tomography, geostatistics, electron density
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: Minkwitz, David
Deposited On:18 Nov 2015 14:10
Last Modified:08 Mar 2018 18:47

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