Articles | Volume 16, issue 5
Atmos. Chem. Phys., 16, 3383–3398, 2016
https://doi.org/10.5194/acp-16-3383-2016

Special issue: StratoClim stratospheric and upper tropospheric processes...

Atmos. Chem. Phys., 16, 3383–3398, 2016
https://doi.org/10.5194/acp-16-3383-2016

Research article 15 Mar 2016

Research article | 15 Mar 2016

Convective sources of trajectories traversing the tropical tropopause layer

Ann-Sophie Tissier and Bernard Legras

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Cited articles

Abalos, M., Randel, W. J., and Serrano, E.: Variability in upwelling across the tropical tropopause and correlations with tracers in the lower stratosphere, Atmos. Chem. Phys., 12, 11505–11517, https://doi.org/10.5194/acp-12-11505-2012, 2012.
Adler, R. F. and Mack, R. A.: Thunderstorm Cloud Top Dynamics as Inferred from Satellite Observations and a Cloud Top Parcel Model, J. Atmos. Sci., 43, 1945–1960, https://doi.org/10.1175/1520-0469(1986)043<1945:TCTDAI>2.0.CO;2, 1986.
Andrews, D. G., Holton, J. R., and Leovy, C. B.: Middle atmosphere dynamics, no. v. 40 in International geophysics series, Academic Press, Orlando, 1987.
Appenzeller, C., Holton, J. R., and Rosenlof, K. H.: Seasonal variation of mass transport across the tropopause, J. Geophys. Res., 101, 15071–15071, https://doi.org/10.1029/96JD00821, 1996.
Aschmann, J., Sinnhuber, B.-M., Atlas, E. L., and Schauffler, S. M.: Modeling the transport of very short-lived substances into the tropical upper troposphere and lower stratosphere, Atmos. Chem. Phys., 9, 9237–9247, https://doi.org/10.5194/acp-9-9237-2009, 2009.
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Transit properties across the TTL are studied using forward and backward Lagrangian trajectories between cloud tops and the reference surface 380 K. The tropical domain is subdivided into 11 subregions according to the distribution of land and convection. Due to the good agreement between forward and backward statistics, we estimate the contribution of each region to the upward mass flux across the 380 K surface, the vertical distribution of convective sources and of transit times over 2005–2008.
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