Temporal and spatial distributions of atmospheric wave energy in the equatorial stratosphere revealed by GPS radio occultation temperature data obtained with the CHAMP satellite during 2001-2006

Earth, Planets and Space

Volumn 61, Issue 4, 2009, Pages 525-533

  Tsuda, Toshitaka ^a   Venkat Ratnam, M ^a,b   Alexander, Simon P ^a   Kozu, Toshiaki ^c   Takayabu, Yukari ^d  

^a KYOTO UNIVERSITY   (Japan)

^b Nalional Atmospheric Research Laboratory (NARL)   (India)

^c SHIMANE UNIVERSITY   (Japan)

^d UNIVERSITY OF TOKYO   (Japan)

Author keywords

Equatorial atmospnere; Gps occultation; Gravity wave; Kelvin wave

Indexed keywords

ATMOSPHERIC WAVE; CONVECTIVE CLOUD; GPS; GRAVITY WAVE; KELVIN WAVE; LONGWAVE RADIATION; QUASI-BIENNIAL OSCILLATION; SPATIAL DISTRIBUTION; STRATOSPHERE; TEMPORAL DISTRIBUTION; WAVE ENERGY; WIND SHEAR;

ASIA; EURASIA; INDIAN OCEAN; INDOCHINA; PACIFIC OCEAN; SOUTHEAST ASIA;

EID: 68949090063     PISSN: 13438832     EISSN: 18805981     Source Type: Journal    
DOI: 10.1186/BF03353169     Document Type: Conference Paper

References (18)

1. Alexander, S. P., T. Tsuda, Y. Shibagaki, and T. Koze, Seasonal Gravity Wave Activity Observed with the Equatorial Atmosphere Radar (EAR) and its relation to the Tropical Rainfall Measuring Mission (TRMM), J. Geophys. Res., 113, D02104, doi:10.1029/2007JD008777, 2008.
2. de la Torre, A., T. Schmidt, and J. Wickert, A global analysis of wave potential energy in the lower stratosphere derived from 5 years of GPS radio occultation data with CHAMP, Geophys. Res. Lett., 33, L248009, doi:10.10292/2006GL027696, 2006.
3. Fritts, D. C. and M. J. Alexander, Gravity wave dynamics and effects in the middle atmosphere, Rev. Geophys., 41, doi:10.1029/2001RG000106, 2003.
4. Hei, H., T. Tsuda, and T. Hirooka, Characteristics of Atmospheric Gravity Wave Activity in the Polar Regions Revealed by GPS Radio Occultation Data with CHAMP, J. Geophys. Res., 2008 (in print).
5. Hocke, K., T. Tsuda, and A. de la Torre, A study of stratospheric gravity wave fluctuations and sporadic E at mid latitudes with focus on possible orographic effect of Andes, J. Geophys. Res. (Atmos.), 107, doi:10.I029/ 2001JD00I330, 2002.
6. Holton, J. R., M. J. Alexander, and M. T. Boehm, Evidence for short vertical wavelength Kelvin waves in the Department of Energy-Atmospheric Radiation Measurement Nauru99 radiosonde data, J. Geophys. Res., 106(D17), 20,125-20,130, 2001.
7. Kawatani, Y., K. Tsuji, and M. Takahashi, Zonally non-uniform distribution of equatorial gravity waves in an atmospheric general circulation model, Geophys. Res. Lett., 32, L23815, doi:10.1029/2005GL024068, 2005.
8. Kozu, T., T. Kawanishi, H. Kuroiwa, M. Kojima, K. Oikawa, H. Kumagai, K. Okamoto, M. Okumura, H. Nakatsuka, and K. Nichikawa, Development of precipitation radar onboard the Tropical Rainfall Measuring Mission (TRMM) satellite, IEEE Trans. Geosci. Remote Sens., 39(1), 102-116, 2001. (Pubitemid 32191287)
9. Randel, W. J. and F. Wu, Kelvin wave variability near the equatorial tropopause observed in GPS radio occultation measurements, J. Geophys. Res., 110, doi:10.1029/2004JD005006, 2005.
10. Ratnam, M. V., G. Tetzlaff, and C. Jacobi, Global and Seasonal Variations of Stratospheric Gravity Wave Activity Deduced from the CHAMP/GPS Satellite, J. Atmos. Sci., 61, 1610-1620, 2004.
11. Ratnam, M. V., T. Tsuda, T. Kozu, and S. Mori, Long-term behavior of the Kelvin waves revealed by CHAMP/GPS RO measurements and their effects on the tropopause structure, Ann. Geophys., 24, 1355-1366, 2006a.
12. Ratnam, M. V., T. Tsuda, Y. Shibagaki, T. Kozu, and S. Mori, Gravity Wave Characteristics over the Equator Observed During the CPEA Campaign using Simultaneous Data from Multiple Stations, J. Meteor. Soc. Jpn., 84A, 239-257, 2006b.
13. Sato, K. and T. J. Dunkerton, Estimation of momentum flux associated with equatorial Kelvin and gravity waves, J. Geophys. Res., 102, 26,247-26,261, 1997. (Pubitemid127603761)
14. Tsai, H.-F., T. Tsuda, Y. Aoyama, G. A. Hajj, and J. Wickert, Equatorial Kelvin Waves Observed with GPS Occultation Measurements (CHAMP and SAC-C), J. Meteor. Soc. Jpn., 82( 1 B), 397-406, 2004.
15. Tsuda, T., Y. Murayama, H. Wiryosumarto, S. W. B. Harijono, and S. Kato, Radiosonde observations of equatorial atmosphere dynamics over Indonesia, Part II: Characteristics of gravity waves, J. Geophys. Res., 99, 10507-10516, 1994.
16. Tsuda, T., M. Nishida, C. Rocken, and R. H. Ware, A global morphology of gravity wave activity in the stratosphere revealed by the GPS occultation data (GPS/MET), J. Geophys. Res. (Atmos.), 105, 7257-7273, 2000. (Pubitemid30793148)
17. Tsuda, T., M. V. Ratnam, T. Kozu, and S. Mori, Characteristics of 10-day Kelvin Wave Observed with Radiosondes and CHAMP/GPS Occultation during the CPEA Campaign (April-May, 2004), J. Meteor. Soc. Jpn., 84A, 277-293, 2006. (Pubitemid 44349984)
18. Wickert, J., Ch. Reigber, G. Beyerle, R. Koig, C. Marquardt, T. Schmidt, L. Grunwaldt, R. Galas, T. Meehan, W. Melbourne, and K. Hocke, Atmospheric soundings by GPS radio occultation: First results from CHAMP, Geophys. Res. Lett., 28, 3263-3266, 2001. (Pubitemid 32931864)