My thanks to K. K. Tung for valuable discussions and comments, and to Tim Dunkerton, Leslie Gray, and Bill Randel for helpful reviews. This work was supported by the National Science Foundation through Grant ATM-9526136.
Angell, J. K., and J. Korshover, 1964: Quasi-biennial variations in temperature, total ozone and tropopause height. J. Atmos. Sci.,21, 479–492.
Baldwin, M. P., and K. K. Tung, 1994: Extra-tropical QBO signals in angular momentum and wave forcing. Geophys. Res. Lett.,21, 2717–2720.
Dunkerton, T. J., 1985: A two-dimensional model of the quasi-biennial oscillation. J. Atmos. Sci.,42, 1151–1160.
——, 1989: Nonlinear Hadley circulation driven by asymmetric differential heating. J. Atmos. Sci.,46, 956–974.
——, and M. P. Baldwin, 1991: Quasi-biennial modulation of planetary-wave fluxes in the Northern Hemisphere winter. J. Atmos. Sci.,48, 1043–1061.
——, and D. J. O’Sullivan, 1996: Mixing zone in the tropical stratosphere above 10 mb. Geophys. Res. Lett.,23, 2497–2500.
——, and D. P. Delisi, 1997: Interaction of the quasi-biennial oscillation and stratopause semiannual oscillation. J. Geophys. Res.,102, 26 107–26 116.
Gray, L. J., and J. A. Pyle, 1989: A two-dimensional model of the quasi-biennial oscillation of ozone. J. Atmos. Sci.,46, 203–220.
——, and T. J. Dunkerton, 1990: The role of the seasonal cycle in the quasi-biennial oscillation in ozone. J. Atmos. Sci.,47, 2429–2451.
——, and S. Ruth, 1993: The modeled latitudinal distribution of the ozone quasi-biennial oscillation using observed equatorial winds. J. Atmos. Sci.,50, 1033–1046.
Hasebe, F., 1984: The global structure of the total ozone fluctuations observed on the time scales of two to several years. Dynamics of the Middle Atmosphere, J. R. Holton and T. Matsuno, Eds., D. Reidel, 445–464.
Holton, J. R., 1989: Influence of the annual cycle in meridional transport on the quasi-biennial oscillation in total ozone. J. Atmos. Sci.,46, 1434–1439.
——, and R. S. Lindzen, 1972: An updated theory for the quasi-biennial cycle of the tropical stratosphere. J. Atmos. Sci.,29, 1076–1080.
——, and H.-C. Tan, 1982: The quasi-biennial oscillation in the Northern Hemisphere lower stratosphere. J. Meteor. Soc. Japan,60, 140–147.
Jones, D. B. A., H. R. Schneider, and M. B. McElroy, 1998: Effects of the quasi-biennial oscillation on the zonally averaged transport of tracers. J. Geophys. Res.,103, 11 235–11 249.
Kinnersley, J. S., 1996: The climatology of the stratospheric “THIN AIR” model. Quart. J. Roy. Meteor. Soc.,122, 219–252.
——, and R. S. Harwood, 1993: An isentropic two-dimensional model with an interactive parameterization of dynamical and chemical planetary-wave fluxes. Quart J. Roy. Meteor. Soc., 119, 1167–1193.
——, and K. K. Tung, 1998: Modeling the global interannual variability of ozone due to the equatorial QBO and to extratropical planetary wave variability. J. Atmos. Sci.,55, 1417–1428.
——, and ——, 1999: Mechanisms for the extratropical QBO in circulation and ozone. J. Atmos. Sci., in press.
Mote, P. W., and Coauthors, 1996: An atmospheric tape recorder: The imprint of tropical tropopause temperatures on stratospheric water vapor. J. Geophys. Res.,101, 3989–4006.
O’Sullivan, D., and T. J. Dunkerton, 1997: The influence of the quasi-biennial oscillation on global constituent distributions. J. Geophys. Res.,102, 21 731–21 743.
Plumb, R. A., and R. C. Bell, 1982: A model of the quasi-biennial oscillation on an equatorial beta plane. Quart. J. Roy. Meteor. Soc.,108, 335–352.
Randel, W. J., and J. B. Cobb, 1994: Coherent variations of monthly mean total ozone and lower stratospheric temperature. J. Geophys. Res.,99, 5433–5447.
——, and F. Wu, 1996: Isolation of the ozone QBO in SAGE II data by singular-value decomposition. J. Atmos. Sci.,53, 2546–2559.
——, ——, R. Swinbank, J. Nash, and A. O’Neill, 1999: Global QBO circulation derived from UKMO stratospheric analyses. J. Atmos. Sci.,56, 457–474.
Reed, R. J., W. J. Campbell, L. A. Rasmussen, and D. G. Rogers, 1961: Evidence of the downward propagating annual wind reversal in the equatorial stratosphere. J. Geophys. Res., 66, 813–818.
Tung, K. K, and H. Yang, 1994: Global QBO in circulation and ozone. Part II: A simple mechanistic model. J. Atmos. Sci.,51, 2708–2721.