NDLI: Ionospheric electron density observed by FORMOSAT-3/COSMIC over the European region and validated by ionosonde data

Content Provider	Springer Nature Link
Author	Krankowski, Andrzej Zakharenkova, Irina Krypiak Gregorczyk, Anna Shagimuratov, Irk I. Wielgosz, Pawel
Copyright Year	2011
Abstract	This research is motivated by the recent IGS Ionosphere Working Group recommendation issued at the IGS 2010 Workshop held in Newcastle, UK. This recommendation encourages studies on the evaluation of the application of COSMIC radio occultation profiles for additional IGS global ionosphere map (GIM) validation. This is because the reliability of GIMs is crucial to many geodetic applications. On the other hand, radio occultation using GPS signals has been proven to be a promising technique to retrieve accurate profiles of the ionospheric electron density with high vertical resolution on a global scale. However, systematic validation work is still needed before using this powerful technique for sounding the ionosphere on a routine basis. In this paper, we analyze the properties of the ionospheric electron density profiling retrieved from COSMIC radio occultation measurements. A comparison of radio occultation data with ground-based measurements indicates that COSMIC profiles are usually in good agreement with ionosonde profiles, both in the F2 layer peak electron density and the bottom side of the profiles. For this comparison, ionograms recorded by European ionospheric stations (DIAS network) in 2008 were used.
Starting Page	949
Ending Page	964
Page Count	16
File Format	PDF
ISSN	09497714
Journal	Journal of Geodesy
Volume Number	85
Issue Number	12
e-ISSN	14321394
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-05-18
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	FORMOSAT-3/COSMIC GPS Ionosonde Ionosphere Radio occultation Earth Sciences Geophysics/Geodesy
Content Type	Text
Resource Type	Article
Subject	Geophysics Geochemistry and Petrology Computers in Earth Sciences

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