This research is supported under NASA Contracts NAS 5-27751 (RSL) and NAG5-2786 (JRI and DCF), and NSF Grants ATM-9523791 (RSL) and ATM-9414177 (JRI and DCF). The UWO MF radar was built by the Canadian Network for Space Research (CNSR) and is also supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada. AHM and CEM acknowledge the support of the University of Saskatchewan (through ISAS) and of NSERC and AES. The Christchurch radar is supported by the University of Canterbury and the New Zealand Foundation for Research, Science and Technology. AF is supported by the Russian Foundation for Basic Research (RFBR) under Grant N 95-IN/RU-989 from the International Association for the Promotion of of Cooperation with Scientists from the New Independent States of the Soviet Union (INTAS). The Jakarta meteor radar is operated under a cooperative agreement with Radio Atmospheric Sciences Center (RASC), Kyoto University, the Indonesian National Institute of Aeronautics and Space (LAPAN), and the Agency for the Assessment and Application of Technology (BPPT), Indonesia.
Andrews, D. G., and M. E. McIntyre, 1978: Generalized Eliassen–Palm and Charney–Drazin theorems for waves on axisymmetric mean flows and compressible atmospheres. J. Atmos. Sci.,35, 175–185.
——, J. R. Holton and C. B. Leovy, 1987: Middle Atmosphere Dynamics. Academic Press, 489 pp.
Brewer, A. W., 1949: Evidence for a world circulation provided by the measurements of helium and water vapor distribution in the stratosphere. Quart. J. Roy. Meteor. Soc.,75, 351–363.
Burrage, M. D., N. Arvin, W. R. Skinner, and P. B. Hays, 1994: Observations of the O2 atmospheric band nightglow by the High Resolution Doppler Imager. J. Geophys. Res.,99, 15017–15023.
——, D. L. Wu, W. R. Skinner, D. A. Ortland, and P. B. Hays, 1995a:Latitudinal and seasonal dependence of the semidiurnal tide observed by the High Resolution Doppler Imager. J. Geophys. Res.,100, 11313–11321.
——, M. E. Hagan, W. R. Skinner, D. L. Wu, and P. B. Hays, 1995b:Long-term variability in the solar diurnal tide observed by HRDI and simulated by the GSWM. Geophys. Res. Lett.,22, 2641–2644.
——, and Coauthors, 1996: Validation of mesospheric and lower thermospheric winds from the High Resolution Doppler Imager. J. Geophys. Res.,101, 10365–10392.
Chapman, S., and R. S. Lindzen, 1970: Atmospheric Tides. Gordon and Breach, 200 pp.
Dobson, G. M. B., 1956: Origin and distribution of the polyatomic molecules in the atmosphere. Proc. Roy. Soc. London,236A, 187–193.
Dunkerton, T., 1978: On the mean meridional mass motions of the stratosphere and mesosphere. J. Atmos. Sci.,35, 2325–2333.
Eluskiewicz, J., and Coauthors, 1996: Residual circulation in the stratosphere and lower mesosphere as diagnosed from Microwave Limb Sounder data. J. Atmos. Sci.,53, 217–240.
Fahrutdinova, A. N., and O. G. Hutorova, 1992: Height-seasonal structure of the wave stream created by longperiod wave disturbances in the lower thermosphere. Izvestiya,28, 733–738.
Fleming, E. L., S. Chandra, J. J. Barnett, and M. Corney, 1990: Zonal mean temperature, pressure, zonal wind and geopotential height as functions of latitude. Adv. Space Res.,10, 1211–1259.
Franke, S. J., and D. Thorsen, 1993: Mean winds and tides in the upper middle atmosphere at Urbana (40°N,88°W) during 1991–1992. J. Geophys. Res.,98, 18607–18615.
Fritts, D. C., and J. R. Isler, 1994: Mean motions and tidal and two-day structure and variability in the mesosphere and lower thermosphere over Hawaii. J. Atmos. Sci.,51, 2145–2164.
——, ——, R. Lieberman, M. D. Burrage, D. R. Marsh, T. Nakamura, T. Tsuda, and R. A. Vincent, 1997: Two-day wave structure, variability, and mean-flow interactions observed by radar and satellite. J. Geophys. Res., in press.
Garcia, R. R., and S. Solomon, 1983: A numerical model of the zonally averaged dynamical and chemical structure of the middle atmosphere. J. Geophys. Res.,88, 1379–1400.
——, and ——, 1985: The effect of breaking gravity waves on the dynamics and chemical composition of the mesosphere and lower thermosphere. J. Geophys. Res.,90, 3850–3868.
Gille, J. C., L. V. Lyjak, and A. K. Smith, 1987: The global residual mean circulation in the middle atmosphere for the northern winter period. J. Atmos. Sci.,44, 1437–1453.
Hays, P. B., and Coauthors, 1994: Observations of the diurnal tide from space. J. Atmos. Sci.,51, 3077–3093.
Hedin, A. E., and Coauthors, 1996: Empirical wind model for the upper, middle, and lower atmosphere. J. Atmos. Terr. Phys.,58, 1421–1447.
Hitchman, M. H., and C. B. Leovy, 1986: Evolution of the zonal mean state in the equatorial middle atmosphere during October 1978–May 1979. J. Atmos. Sci.,43, 3159–3176.
Huang, T. Y. W., and A. K. Smith, 1991: The mesospheric diabatic circulation and the parameterized thermal effect of gravity wave breaking on the circulation. J. Atmos. Sci.,48, 1093–1111.
Isler, J. R., and D. C. Fritts, 1995: Mean winds and tidal and planetary wave motions over Hawaii during ALOHA-93. Geophys. Res. Lett.,22, 2821–2824.
Leovy, C. B., 1964: Simple models of thermally driven mesospheric circulation. J. Atmos. Sci.,21, 327–341.
Lieberman, R. S., 1996: Long-term variations of zonal mean winds and (1,1) driving in the equatorial lower thermosphere. J. Atmos. and Solar-Terr. Phys.,59, 1483–1490.
——, and P. B Hays, 1994: An estimate of the momentum deposition in the lower thermosphere by the observed diurnal tide. J. Atmos. Sci.,51, 3094–3105.
Lysenko, I. A., Y. I. Portnyagin, A. N. Fahrutdinova, R. A. Ishmuratov, A. H. Manson, and C. E. Meek, 1994: Wind regime at 80–110 km at mid-latitudes of the northern hemisphere. J. Atmos. Terr. Phys.,56, 31–42.
Manson, A. H., C. E. Meek, M. Massebeuf, and J. L. Fellous, 1987:Mean winds of the upper middle atmosphere (∼70–110 km) from the global radar network: Comparisons with CIRA 72 and new rocket and satellite data. Adv. Space Res.,7, 143–153.
——, and Coauthors, 1991: Comparisons between satellite-derived gradient winds and radar-derived winds from the CIRA-86. J. Atmos. Sci.,48, 411–428.
Miyahara, S., 1984: Zonal mean winds induced by solar diurnal tides in the lower thermosphere for a solstice condition. Dynamics of the Middle Atmosphere, J. R. Holton and T. Matsuno, Eds., Terra Scientific Publishing, 181–197.
——, and D. H. Wu, 1989: Effects of solar tides on the zonal mean circulation in the lower thermosphere: Solstice condition. J. Atmos. Terr. Phys.,51, 635–647.
Murgatroyd, R. J., and F. Singleton, 1961: Possible meridional circulations in the stratosphere and mesosphere. Quart. J. Roy. Meteor. Soc.,87, 125–135.
Nakamura, T., T. Tsuda, M. Tsutsumi, K, Kita, T. Uehara, S. Kato, and S. Fukao, 1991: Meteor wind observations with the Kyoto MU radar. Radio Sci.,26, 857–869.
——, D. C. Fritts, J. R. Isler, T. Tsuda, R. A. Vincent, and I. M. Reid, 1997: Short-period fluctuations of the diurnal tide observed with low-latitude MF and Meteor radars during CADRE: Evidence for gravity wave/tidal interactions. J. Geophys. Res.,102, 26225–26328.
Ortland, D. A., P. B. Hays, W. R. Skinner, V. J. Abreu, J.-H. Yee, M. D. Burrage, A. R. Marshall, and D. A. Gell, 1995: A sequential estimation technique for recovering atmospheric data from orbiting satellites. The Upper Mesosphere and Lower Thermosphere: A Review of Experiment and Theory, Geophys. Monogr., No. 87, Amer. Geophys. Soc., 329–337.
Phillips, A., A. H. Manson, C. E. Meek, and E. J. Llewellyn, 1994:Long-term comparison of middle atmosphere winds measured at Saskatoon (52°N, 107°W) by a medium-frequency radar and a Fabry–Perot interferometer. J. Geophys. Res.,99, 12923–12935.
Plumb, R. A., R. A. Vincent, and R. L. Craig, 1987: The quasi-two-day wave event of January 1984 and its impact on the mean mesospheric circulation. J. Atmos. Sci.,44, 3030–3036.
Portmann, R. W., 1994: The heat budget and global change in the mesosphere. Ph.D. thesis, University of Colorado, 187 pp.
Portnyagin, Y. I., and T. V. Solovjova, 1992a: An empirical model of the meridional wind in the mesopause-lower thermosphere, Part I: A monthly mean model. Russ. J. Meteor. Hydrol.,10, 28–35.
——, and ——, 1992b: An empirical model of the meridional wind in the mesopause-lower thermosphere, Part II: Height-latitude features of basic components of meridional wind seasonal variations. Russ. J. Meteor. Hydrol.,11, 29–36.
——, and ——, 1998: On the momentum balance in the lower thermosphere. Adv. Space Res., in press.
Shine, K., 1989: Sources and sinks of zonal momentum in the middle atmosphere diagnosed using the diabatic circulation. Quart. J. Roy. Meteor. Soc.,115, 265–292.
Skinner, W. R., J.-H. Yee, P. B. Hays, and M. D. Burrage, 1998: Seasonal and local time variations in the O(1S) green line, O2 atmospheric band, and OH Meinel band emissions as measured by the High Resolution Doppler Imager. Adv. Space Res., in press.
Solomon, S., J. T. Kiehl, R. R. Garcia, and W. Grose, 1986: Tracer transport by the diabatic circulation deduced from satellite observations. J. Atmos. Sci.,43, 1603–1617.
Stordal, F., I. S. A. Isaksen, and K. Horntveith, 1985: A diabatic circulation two-dimensional model with photochemistry: Simulations of ozone and long-lived tracers with surface sources. J. Geophys. Res.,90, 5757–5776.
Thayaparan, T., W. K. Hocking, and J. MacDougall, 1995: Middle atmospheric winds and tides over London, Canada (43°N, 81°W) during 1992–1993. Radio Sci.,30, 1293–1309.
Tsuda, T., and Coauthors, 1995: A preliminary report on observations of equatorial dynamics in Indonesia with radars and radiosondes. J. Meteor. Soc. Japan,73, 393–406.
Turek, R. S., K. L. Miller, R. G. Roper, and I. W. Brosnahan, 1995:Mesospheric wind studies during AIDA Act ’89: Morphology and comparison of various techniques. J. Atmos. Terr. Phys.,57, 1321–1343.
Vincent, R. A., 1984: MF/HF radar measurements of the dynamics of the mesopause region—A review. J. Atmos. Terr. Phys.,46, 961–974.
——, and D. Lesicar, 1991: Dynamics of the equatorial mesosphere:First results with a new generation partial reflection radar. Geophys. Res. Lett.,18, 825–828.
——, D. A. Holsworth, I. M. Reid, and M. A. Cervera, 1994: Space-antenna wind measurements: The effects of signal saturation. Wind Observations in the Middle Atmosphere, M. Geller, Ed., Cent. Natl. d’Etud. Spatiales.