Articles | Volume 14, issue 1
https://doi.org/10.5194/gmd-14-495-2021
https://doi.org/10.5194/gmd-14-495-2021
Model description paper
 | 
26 Jan 2021
Model description paper |  | 26 Jan 2021

A revised dry deposition scheme for land–atmosphere exchange of trace gases in ECHAM/MESSy v2.54

Tamara Emmerichs, Astrid Kerkweg, Huug Ouwersloot, Silvano Fares, Ivan Mammarella, and Domenico Taraborrelli

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Latest update: 23 May 2024
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Short summary
Dry deposition to vegetation is a major sink of ground-level ozone. Its parameterization in atmospheric chemistry models represents a significant source of uncertainty for global tropospheric ozone. We extended the current model parameterization with a relevant pathway and important meteorological adjustment factors. The comparison with measurements shows that this enables a more realistic model representation of ozone dry deposition velocity. Globally, annual dry deposition loss increases.