Articles | Volume 17, issue 6
Atmos. Chem. Phys., 17, 4337–4353, 2017
https://doi.org/10.5194/acp-17-4337-2017
Atmos. Chem. Phys., 17, 4337–4353, 2017
https://doi.org/10.5194/acp-17-4337-2017

Research article 30 Mar 2017

Research article | 30 Mar 2017

Role of vertical and horizontal mixing in the tape recorder signal near the tropical tropopause

Anne A. Glanville and Thomas Birner

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Cited articles

Abalos, M., Randel, W. J., Kinnison, D. E., and Serrano, E.: Quantifying tracer transport in the tropical lower stratosphere using WACCM, Atmos. Chem. Phys., 13, 10591–10607, https://doi.org/10.5194/acp-13-10591-2013, 2013.
Abalos, M., Legras, B., Ploeger, F., and Randel, W. J.: Evaluating the advective Brewer-Dobson circulation in three reanalyses for the period 1979–2012, J. Geophys. Res., 120, 7534–7554, https://doi.org/10.1002/2015JD023182, 2015.
Alexander, M. J., Richter, J. H., and Sutherland, B. R.: Generation and trapping of gravity waves from convection with comparison to parameterization, J. Atmos. Sci., 63, 2963–2977, https://doi.org/10.1175/JAS3792.1, 2006.
Andrews, D. G., Holton, J. R., and Leovy, C. B.: Middle Atmosphere Dynamics, Academic Press, 136 pp, 1987.
Brewer, A. W.: Evidence for a world circulation provided by the measurements of helium and water vapour distribution in the stratosphere, Q. J. Roy. Meteor. Soc., 75, 351–363, https://doi.org/10.1002/qj.49707532603, 1949.
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Nearly all air enters the stratosphere through the tropical tropopause, which exerts a control on stratospheric chemistry and climate. By combining satellite observations with a simple 1-D transport model, we study the roles of vertical and horizontal mixing in transport near the tropical tropopause. We find that vertical mixing may play a more significant role than previously assumed, which is potentially as important as slow vertical transport by the residual mass circulation.
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