GPS radio occultation with CHAMP and GRACE: A first look at a new and promising satellite configuration for global atmospheric sounding
By Jens Wickert, Georg Beyerle, Rolf König, S. Heise, L. Grunwaldt, G. Michalak, C. Reigber, Torsten Schmidt. 2005
136 citations recorded by the source corpus.
CHAMP (CHAllenging Minisatellite Payload) and GRACE (Gravity Recovery And Climate Experiment) formed a satellite configuration for precise atmospheric sounding during the first activation of the GPS (Global Positioning System) radio occultation experiment aboard GRACE on 28 and 29 July 2004. 338 occultations were recorded aboard both satellites, providing globally distributed vertical profiles of refractivity, temperature and specific humidity. The combined set of CHAMP and GRACE profiles shows excellent agreement with meteorological analysis. Almost no refractivity bias is observed between 5 and 30km, the standard deviation is between 1 and 2% within this altitude interval. The GRACE satellite clock stability is significantly improved in comparison with CHAMP. This allows for the application of a zero difference technique for precise analysis of the GRACE occultation data.
Subfields: Astronomy and Astrophysics, Molecular Biology, Oceanography
View Paper: https://www.semanticscholar.org/paper/e0dc6f7384d01455eefb1597a3e0c8d26046762c
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In Astronomy and Astrophysics
- U. Foelsche
- Barbara Scherllin-Pirscher
- Florian Ladstädter
- Byron D. Tapley
- Andrea K. Steiner
- B. Lackner
- Srinivas V. Bettadpur
- Gottfried Kirchengast
In Molecular Biology
- Byron D. Tapley
- John C. Ries
- Srinivas V. Bettadpur
- John M. Wahr
- Isabella Velicogna
- S. Swenson
- Clark R. Wilson
- James S. Famiglietti
In Oceanography
- Byron D. Tapley
- John C. Ries
- Srinivas V. Bettadpur
- U. Foelsche
- Barbara Scherllin-Pirscher
- Florian Ladstädter
- Andrea K. Steiner
- B. Lackner
Citations in the corpus
- Precise orbit determination for the GRACE mission using only GPS data (2006, methodology): “Wickert et al. 2005 ), and they demonstrate the quality of the background force models being used.”
- GPS radio occultation for climate monitoring and change detection (2011, background): “Experiment) mission [Wickert et al., 2005; Beyerle et al., 2005], both launched in 2002, complement and continue CHAMP and are still active.”