Gravity wave characteristics over the equator observed during the CPEA campaign using simultaneous data from multiple stations

Journal of the Meteorological Society of Japan

Volumn 84, Issue SPEC. ISS., 2006, Pages 239-257

  Ratnam, M Venkat ^a   Tsuda, Toshitaka ^a   Shibagaki, Yoshiaki ^b   Kozu, Toshiaki ^c   Mori, Shuichi ^d  

^a KYOTO UNIVERSITY   (Japan)

^b OSAKA ELECTRO COMMUNICATION UNIVERSITY   (Japan)

^c SHIMANE UNIVERSITY   (Japan)

^d JAPAN AGENCY FOR MARINE EARTH SCIENCE AND TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CONVECTIVE CLOUD; GRAVITY WAVE; LONGWAVE RADIATION; RADIOSONDE; SATELLITE DATA;

ASIA; EURASIA; INDONESIA; SOUTHEAST ASIA; WEST SUMATRA;

EID: 33748446628     PISSN: 00261165     EISSN: None     Source Type: Journal    
DOI: 10.2151/jmsj.84a.239     Document Type: Article

References (39)

1. Alexander, M.J., and J.R. Holton, 1997: A model study of zonal forcing in the equatorial stratosphere by convectively induced gravity waves. J. Atmos. Sci., 54, 408-419.
2. Alexander, M.J., and R.A. Vincent, 2000: Gravity waves in the tropical lower stratosphere: A model study of seasonal and interannual variability. J. Geophys. Res., 105, 17,983-17,993.
3. Alexander, M.J., J.H. Beres, and L. Pfister, 2000: Tropical stratospheric gravity wave activity and relationship to clouds. J. Geophys. Res., 105, 22,299-22,309.
4. Alexander, M.J., P.T. May, and J.H. Beres, 2004: Gravity waves generated by convection in the Darwin area during the Darwin Area Wave Experiment. J. Geophys. Res., 109, D20S04, doi:10.1029/2004JD004729.
5. Alexander, S., T. Tsuda, J. Furumoto, T. Shimomai, T. Kozu, M. Kawashima, 2006: A Statistical Overview of Convection during the first CPEA campaign. J. Meteor. Soc. Japan, this issue.
6. Beres, J.H., M.J. Alexander, and J.R. Holton, 2002: Effects of tropospheric wind shear on the spectrum of convectively generated gravity waves. J. Atmos. Sci., 59, 1805-1824.
7. Dunkerton, T.J., 1997: The role of gravity waves in the quasi-biennial oscillation. J. Geophys. Res., 102, 26053-26076.
8. Eckermann, S.D., and P. Preusse, 1999: Global measurements of stratospheric mountain waves from space. Science, 286, 1534-1537.
9. Eckermann, S.D., I. Hirota, and W.K. Hocking, 1995: Gravity wave and equatorial wave morphology of the stratosphere derived from long-term rocket soundings. Q. J. R. Meteor. Soc., 121, 149-186.
10. Fetzer, E.J., and J.C. Gille, 1994: Gravity wave variance in LIMS temperatures, part I, Variability and comparison with background winds. J. Atmos. Sci., 51, 2461-2483.
11. Fritts, D.C., and G.D. Nastrom, 1992: Sources of meso-scale variability of gravity waves. Part II: Frontal, convective, and jet stream excitation. J. Atmos. Sci., 49, 111-127.
12. Fritts, D.C. and P.K. Rastogi, 1995: Convective and dynamical instabilities due to gravity wave motions in the lower and middle atmosphere: Theory and observations. Radio Sci., 20, 1247-1277.
13. Fritts, D.C. and M.J. Alexander, 2003: Gravity wave dynamics and effects in the middle atmosphere. Rev. Geophys., 41, doi:10.1029/2001RG000106.
14. Fukao, S., 2006: Coupling Processes in the Equatorial Atmosphere (CPEA): A Project Overview. J. Meteor. Soc. Japan, this issue.
15. Gurubaran, S., R. Rajaram, T. Nakamura, and T. Tsuda, 2005: Inter-annual variability of diurnal tide in the tropical mesopause region: A signature of the El Nino-Southern Oscillation (ENSO). Geophys. Res. Lett., 32, doi:10.1029/2005GL022928.
16. Hirota, I., 1984: Climatology of gravity waves in the middle atmosphere. J. Atmos. Terr. Phys., 46, 767-773.
17. Hirota, I., and T. Niki, 1985: A statistical study of inertia-gravity waves in the middle atmosphere. J. Meteor. Soc. Japan, 63, 1055-1066.
18. Hocke, K., and K. Schlegel, 1996: A review of atmospheric gravity waves and traveling ionospheric disturbances: 1982-1995. Ann. Geophys., 14, 917-940.
19. Hocke, K., and T. Tsuda, 2001: Gravity waves and Ionospheric irregularities over tropical convection zones observed by GPS/MET radio occultation. Geophys. Res. Lett., 28, 2815-2818.
20. Karoly, D.J., G.L. Roff, and M.J. Reeder, 1996: Gravity wave activity associated with tropical convection and detected during TOGA COARE sounding data. Geophys. Res. Lett., 23, 261-264.
21. Kitamura, Y., and I. Hirota, 1989: Small-scale disturbances in the lower stratosphere revealed by daily rawin sonde observations. J. Meteorol. Soc. Japan, 67, 817-830.
22. Marsh, A.K.P., N.J. Mitchell, and L. Thomas, 1991: Lidar studies of stratospheric gravity-wave spectra. Planet. Space Sci., 39, 1541-1548.
23. Pfister, L., K.R. Chan, T.P. Bui, S. Bowen, M. Legg, B. Gary, K. Kelly, M. Proffitt, and W. Starr, 1993: Gravity waves generated by a tropical cyclone during the STEP tropical field program: A case study, J. Geophys. Res., 98, 8611-8638.
24. Piani, C., D. Durran, M. Alexander, and J. Holton, 2000: A numerical study of three-dimensional gravity waves triggered by deep tropical convection and their role in the dynamic of the QBO. J. Atmos. Sci., 57, 3689-3702.
25. Ratnam, M.V., G. Tetzlaff, and Ch. Jacobi, 2004: Global and seasonal variations of stratospheric GW activity deduced from the CHAllenging Minisatellite Payload (CHAMP)-GPS Satellite. J. Atmos. Sci., 61, 1610-1620.
26. Salby, M.L., and R.R. Garcia, 1987: Transient response to localized episodic heating in the tropics, I, Excitation and short-time near-field behavior. J. Atmos. Sci., 44, 458-498, 1987.
27. Sato, K., and T.J. Dunkerton, 1997: Estimates of momentum flux associated with equatorial Kelvin and gravity waves. J. Geophys. Res., 102, 26247-24261.
28. Sato, K., F. Hasegawa, and I. Hirota, 1994: Short-period disturbances in the equatorial lower stratosphere. J. Meteor. Soc. Japan, 72, 859-872.
29. Shibagaki, Y., T. Kozu, T. Shimomai, S. Mori, F. Murata, Y. Fujiyoshi, H. Hashiguchi, and S. Fukao, 2006: Evolution of a super cloud cluster and the associated wind fields observed over the Indonesian maritime continent during the first CPEA campaign. J. Meteor. Soc. Japan, this issue.
30. Shimizu, A., and T. Tsuda, 1997: Characteristics of Kelvin waves and gravity waves observed with radiosondes over Indonesia. J. Geophys. Res., 102, 26,159-26,171.
31. Sridharan, S., T. Tsuda, T. Nakamura, T. Kozu, S. Mori, and J.M. Russell, 2006: Observations of the 7-day Kelvin Wave in the Tropical Atmosphere During the CPEA Campaign. J. Meteor. Soc. Japan, this issue.
32. Tsuda, T., Y. Murayama, H. Wiryosumarto, S.W.B. Harijono, and S. Kato, 1994: Radiosonde observations of equatorial atmospheric dynamics over Indonesia, 2, Characteristics of gravity waves. J. Geophys. Res., 99, 10,507-10,516.
33. Tsuda, T., M. Nishida, C. Rocken, and R.H. Ware, 2000: A global morphology of gravity wave activity in the stratosphere revealed by the GPS occultation data (GPS/MET). J. Geophys. Res., 105(D6), 7257-7273.
34. Tsuda, T., M.V. Ratnam, P.T. May, M.J. Alexander, R.A. Vincent, and A. MacKinnon, 2004: Characteristics of gravity waves with short vertical wavelengths observed with radiosonde and GPS occultation during DAWEX (Darwin Area Wave Experiment), J. Geophys. Res., 109, D20S03, doi:10.1029/2004JD004946.
35. Tsuda, T., M.V. Ratnam, T. Kozu, and S. Mori, 2006: Characteristics of 10-day Kelvin wave observed with radiosondes and CHAMP/GPS occultation during the CPEA campaign (April-May, 2004). J. Meteor. Soc. Japan, this issue.
36. Vincent, R.A., and M.J. Alexander, 2000: Gravity wave in the tropical lower stratosphere: An observational study of seasonal and inter-annual variability. J. Geophys. Res., 105, 17,971-17,982.
37. Whiteway, J.A., and A.I. Carswell, 1995: Lidar observations of gravity wave activity in the upper stratosphere over Toronto. J. Geophys. Res., 100, 14,113-14,124.
38. Wu, D.L., and J.W. Waters, 1996: Satellite observations of atmospheric variances: A possible indication of gravity waves. Geophys. Res. Lett., 23, 3631-3634.
39. Zhang, S.D., and F. Yi, 2005: A statistical study of gravity waves from radiosonde observations at Wuhan (30°N, 114°E) China. Ann. Geophys., 23, 665-673.