Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 15, issue 13
Articles | Volume 15, issue 13
https://doi.org/10.5194/gmd-15-5391-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-15-5391-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 13
Model evaluation paper
 | 
14 Jul 2022
Model evaluation paper |  | 14 Jul 2022

Effects of point source emission heights in WRF–STILT: a step towards exploiting nocturnal observations in models

Fabian Maier, Christoph Gerbig, Ingeborg Levin, Ingrid Super, Julia Marshall, and Samuel Hammer

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Short summary
We show that the default representation of point source emissions in WRF–STILT leads to large overestimations when modelling fossil fuel CO2 concentrations for a 30 m high observation site during stable atmospheric conditions. We therefore introduce a novel point source modelling approach in WRF-STILT that takes into account their effective emission heights and results in a much better agreement with observations.
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