New Applications and Advances of the GPS Radio Occultation Technology as Recovered by Analysis of the FORMOSAT-3/COSMIC and CHAMP Data-Base

  • A.G. Pavelyev
  • Y.A. Liou
  • J. Wickert
  • V.N. Gubenko
  • A.A. Pavelyev
  • S.S. Matyugov
Chapter

Abstact

Comparative analysis of phase and amplitude variations of GPS radio-holograms allows one to separate the influence of the layered and irregular structures. A possibility exists to measure important parameters of internal waves: the intrinsic phase speed, the horizontal wind perturbations, and, under some assumptions, the intrinsic frequency as function of height in the atmosphere. A new technique was applied to measurements provided during CHAllenging Minisatellite Payload (CHAMP) and the Formosa Satellite-3/Constellation Observing System for Meteorology, Ionosphere, and Climate (FORMOSAT-3/COSMIC) radio occultation (RO) missions. As an example of this approach, we establish the atmospheric origin of amplitude and phase variations in the RO signal at altitudes 10–26 km. We observed for the first time in the RO practice examples of internal wave breaking at altitudes between 38 km and 45 km. We obtained geographical distributions and seasonal dependence of atmospheric wave activity with global coverage within the years 2001–2003.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • A.G. Pavelyev
    • 1
  • Y.A. Liou
    • 2
  • J. Wickert
    • 3
  • V.N. Gubenko
    • 1
  • A.A. Pavelyev
    • 1
  • S.S. Matyugov
    • 1
  1. 1.Institute of Radio Engineering and Electronics of the Russian Academy of Sciences (IRE RAS)MoscowRussia
  2. 2.Center for Space and Remote Sensing ResearchNational Central UniversityTaiwanChina
  3. 3.German Research Centre for Geosciences (GFZ)PotsdamGermany

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