The authors wish to extend special thanks to Paul Hays for advice, support, and encouragement during this investigation. We also thank the HRDI Science Team, Robert Vincent, Art Richmond, and Jeff Forbes for their constructive comments and valuable suggestions. This study was funded under Contract NAS5-27751 and Grant NAG5-3180.
Abreu, V. J., A. Bucholtz, P. B. Hays, D. A. Ortland, W. R. Skinner, and J.-H. Yee, 1989: Absorption and emission line shapes in the O2 atmospheric bands: Theoretical model and limb viewing simulations. Appl. Opt.,28, 2128–2137.
Burrage, M. D., R. A. Vincent, H. G. Mayr, W. R. Skinner, N. F. Arnold, and P. B. Hays, 1996a: Long term variability in the equatorial middle atmosphere zonal wind. J. Geophys. Res.,101, 12 847–12 854.
——, and Coauthors, 1996b: Validation of mesospheric and lower thermospheric winds from the High Resolution Doppler Imager. J. Geophys. Res.,101, 10 365–10 392.
Chapman, S., and R. S. Lindzen, 1970: Atmospheric Tides. Gordon and Breach.
Eckerman, S. D., and R. A. Vincent, 1994: First observations of intraseasonal oscillations in the equatorial mesosphere and lower thermosphere. Geophys. Res. Lett.,21, 265–268.
Ekanayake, E. M. P., T. Aso, and S. Miyahara, 1997: Background wind effect on propagation of nonmigrating diurnal tides in the middle atmosphere. J. Atmos. Terr. Phys.,59, 401–429.
Forbes, J. M., and G. V. Groves, 1987: Diurnal propagating tides in the low-latitude middle atmosphere. J. Atmos. Terr. Phys.,49, 153–164.
Hagan, M. E., J. L. Chang, and S. K. Avery, 1997: Global-scale wave model estimates of non-migrating tidal effects. J. Geophys. Res.,102, 16 349–16 452.
Hamilton, K., 1981: Latent heat release as a possible forcing mechanism for atmospheric tides. Mon. Wea. Rev.,109, 3–17.
Hays, P. B., V. J. Abreu, M. E. Dobbs, D. A. Gell, H. J. Grassl, and W. R. Skinner, 1993: The High-Resolution Doppler Imager on the Upper Atmosphere Research Satellite. J. Geophys. Res.,98, 10 713–10 723.
——, D. L. Wu, and The HRDI Science Team, 1994: Observations of the diurnal tide from space. J. Atmos. Sci.,51, 3077–3093.
Kato, S., 1989: Non-migrating tides. J. Atmos. Terr. Phys.,51, 673–682.
——, T. Tsuda, and F. Watanabe, 1982: Thermal excitation of non-migrating tides. J. Atmos. Terr. Phys.,44, 131–146.
Khattatov, B. V., and Coauthors, 1996: Dynamics of the mesosphere and lower thermosphere as seen by MF radars and by the High Resolution Doppler Imager/UARS. J. Geophys. Res.,101, 10 393–10 404.
Lieberman, R. S., 1991: Nonmigrating diurnal tides in the equatorial middle atmosphere. J. Atmos. Sci.,48, 1112–1123.
——, and C. B. Leovy, 1995: A numerical model of nonmigrating diurnal tides between the surface and 65 km. J. Atmos. Sci.,52, 389–409.
——, and D. Riggin, 1997: High Resolution Doppler Imager observations of Kelvin waves in the equatorial mesophere and lower thermosphere. J. Geophys. Res.,102, 26 117–26 130.
Lindzen, R. S., 1967: Thermally driven diurnal tide in the atmosphere. Quart. J. Roy. Meteor. Soc.,93, 18–42.
——, 1978: Effects of daily variations of cumulonimbus activity on the semidiurnal tide. Mon. Wea. Rev.,106, 526–533.
Morton, Y. T., and Coauthors, 1993: Global mesospheric tidal winds observed by the High Resolution Doppler Imager on board the Upper Atmosphere Research Satellite. Geophys. Res. Lett.,20, 1263–1266.
Ortland, D. A., P. B. Hays, W. R. Skinner, and J.-H. Yee, 1998: Remote sensing of mesospheric temperature and O2(1Σ) band volume emission rates with the High Resolution Doppler Imager. J. Geophys. Res.,103, 1821–1835.
Salby, M. L., 1982: Sampling theory for asynoptic satellite observations. Part I: Space–time spectra, resolution, and aliasing. J. Atmos. Sci.,39, 2577–2600.
Tsuda, T., and S. Kato, 1989: Diurnal non-migrating tides excited by a differential heating due to land-sea distribution. J. Meteor. Soc. Japan,67, 43–54.
Wallace, J. M., and R. F. Tadd, 1974: Some further results concerning the vertical structure of atmospheric tidal motions within the lowest 30 kilometers. Mon. Wea. Rev.,102, 795–803.
Wilkes, M. V., 1949: Oscillations of the Earth’s Atmosphere. Cambridge University Press.
Williams, C. R., and S. K. Avery, 1996: Diurnal nonmigrating tidal oscillations forced by deep convective clouds. J. Geophys. Res.,101, 4079–4091.