Articles | Volume 21, issue 5
Atmos. Chem. Phys., 21, 4039–4057, 2021
https://doi.org/10.5194/acp-21-4039-2021
Atmos. Chem. Phys., 21, 4039–4057, 2021
https://doi.org/10.5194/acp-21-4039-2021

Research article 17 Mar 2021

Research article | 17 Mar 2021

Identifying forecast uncertainties for biogenic gases in the Po Valley related to model configuration in EURAD-IM during PEGASOS 2012

Annika Vogel and Hendrik Elbern

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Latest update: 16 Sep 2021
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Short summary
Forecasts of biogenic trace gases highly depend on the model setup and input fields. This study identifies sources of related forecast uncertainties for biogenic gases. Exceptionally high differences in both biogenic emissions and pollutant transport in the Po Valley are identified to be caused by the representation of the land surface and boundary layer dynamics. Consequently, changes in the model configuration are shown to induce significantly different local concentrations of biogenic gases.
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