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Retrieval of electron density profiles from GRACE radio occultation data

Jakowski, Norbert and Mayer, Christoph and Wickert, Jens and Heise, Stefan and Köhler, Wolfgang (2007) Retrieval of electron density profiles from GRACE radio occultation data. Joint International GRACE Science Team Meeting and DFG SPP 1257 Symposium, 2007-10-15 - 2007-10-17, Potsdam.

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Abstract

As numerous GPS measurements onboard LEO satellites as Microlab-1, CHAMP and COSMIC have shown, the GPS radio occultation technique is a rather simple and inexpensive tool for profiling the electron density of the entire ionosphere from satellite orbit heights down to the E-layer heights. After operationally retrieving more than 200000 electron density profiles from GPS measurements onboard CHAMP in recent years we now report preliminary results from ionospheric radio occultation (IRO) measurements onboard the GRACE satellite. The achieved accuracy of the retrieved electron density profiles is estimated by comparison with independent data obtained from equivalent measurements onboard CHAMP and COSMIC. Combining the electron density retrievals of various satellites, there is a big potential for developing and improving global ionospheric models and for providing reliable space weather information.

Item URL in elib:https://elib.dlr.de/52673/
Document Type:Conference or Workshop Item (Speech)
Title:Retrieval of electron density profiles from GRACE radio occultation data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Jakowski, NorbertUNSPECIFIEDUNSPECIFIED
Mayer, ChristophUNSPECIFIEDUNSPECIFIED
Wickert, JensGFZ PotsdamUNSPECIFIED
Heise, StefanGFZ PotsdamUNSPECIFIED
Köhler, WolfgangGFZ PotsdamUNSPECIFIED
Date:October 2007
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:GPS, ionosphere, radio occultation, GRACE, CHAMP
Event Title:Joint International GRACE Science Team Meeting and DFG SPP 1257 Symposium
Event Location:Potsdam
Event Type:international Conference
Event Dates:2007-10-15 - 2007-10-17
Organizer:GFZ Potsdam, DFG
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Ionosphärenerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Jakowski, Dr.rer.nat. Norbert
Deposited On:10 Jan 2008
Last Modified:27 Apr 2009 14:37

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