Articles | Volume 18, issue 19
https://doi.org/10.5194/gmd-18-6647-2025
https://doi.org/10.5194/gmd-18-6647-2025
Development and technical paper
 | 
01 Oct 2025
Development and technical paper |  | 01 Oct 2025

Implementation of a dry deposition module (DEPAC v3.11_ext) in a large eddy simulation code (DALES v4.4)

Leon Geers, Ruud Janssen, Gudrun Thorkelsdottir, Jordi Vilà-Guerau de Arellano, and Martijn Schaap

Data sets

DALES output and observations at Cabauw site d.d. Sep 25, 2021 & DALES output Eindhoven d.d. Jun 16, 2022 L. Geers et al. https://doi.org/10.5281/zenodo.17086261

Model code and software

Implementation of a dry deposition module (DEPAC v3.11_ext) in a large eddy simulation code (DALES v4.4) L. Geers et al. https://doi.org/10.5281/zenodo.15547107

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Short summary
High-resolution data on reactive nitrogen deposition are needed to inform cost-effective policies. Here, we describe the implementation of a dry deposition module in a large eddy simulation code. With this model, we are able to represent the turbulent exchange of tracers at the hectometer resolution. The model calculates the dispersion and deposition of NOx and NH3 in great spatial detail, clearly showing the influence of local land use patterns.
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