Articles | Volume 17, issue 6
https://doi.org/10.5194/acp-17-4337-2017
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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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.
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Short summary
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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