Articles | Volume 22, issue 12
Atmos. Chem. Phys., 22, 8241–8257, 2022
https://doi.org/10.5194/acp-22-8241-2022
Atmos. Chem. Phys., 22, 8241–8257, 2022
https://doi.org/10.5194/acp-22-8241-2022
Research article
27 Jun 2022
Research article | 27 Jun 2022

Assessing the representativity of NH3 measurements influenced by boundary-layer dynamics and the turbulent dispersion of a nearby emission source

Ruben B. Schulte et al.

Model code and software

DALES v4.2 modified for ammonia plume dispersion and blending-distance estimations R. Schulte, M. van Zanten, B. van Stratum, and J. Vilà-Guerau de Arellano https://doi.org/10.4121/19869478.v1

dalesteam/dales: DALES 4.2.1 S. Arabas, S. Axelsen, J. Attema, C. Beets, S. J. Boeing, H. Cuijpers, M. de Bruine, J. Chylik, J. van der Dussen, C. van Heerwaarden, T. Heus, F. Jansson, H. Jonker, A. Moene, H. Ouwersloot, G. van den Oord, S. de Roode, R. Neggers, X. Pedruzo, P. Siebesma, M. Sikma, B. J. H. van Stratum, J. Vilà-Guerau de Arellano, and M. C. van Zanten https://doi.org/10.5281/zenodo.3759193

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Short summary
We present a fine-scale simulation framework, utilizing large-eddy simulations, to assess NH3 measurements influenced by boundary-layer dynamics and turbulent dispersion of a nearby emission source. The minimum required distance from an emission source differs for concentration and flux measurements, from 0.5–3.0 km and 0.75–4.5 km, respectively. The simulation framework presented here proves to be a powerful and versatile tool for future NH3 research at high spatio-temporal resolutions.
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