Articles | Volume 12, issue 5
https://doi.org/10.5194/gmd-12-1991-2019
https://doi.org/10.5194/gmd-12-1991-2019
Model description paper
 | 
22 May 2019
Model description paper |  | 22 May 2019

ATTILA 4.0: Lagrangian advective and convective transport of passive tracers within the ECHAM5/MESSy (2.53.0) chemistry–climate model

Sabine Brinkop and Patrick Jöckel

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Short summary
We have extended ATTILA (Atmospheric Tracer Transport in a LAgrangian model), a Lagrangian tracer transport scheme which is online coupled to the global ECHAM/MESSy Atmospheric Chemistry (EMAC) model, with a combination of newly developed and modified physical routines and new diagnostic and infrastructure submodels. The results show an improvement of the tracer transport into and within the stratosphere due to the newly implemented diabatic vertical velocity.