SOSA - a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL - Part 1: Model description and initial evaluation

Chemistry in the atmospheric boundary layer (ABL) is controlled by complex processes of surface fluxes, flow, turbulent transport, and chemical reactions. We present a new model SOSA (model to simulate the concentration of organic vapours and sulphuric acid) and attempt to reconstruct the emissions, transport and chemistry in the ABL in and above a vegetation canopy using tower measurements from the SMEAR II at Hyytiälä, Finland and available soundings data from neighbouring meteorological stations. Using the sounding data for upper boundary condition and nudging the model to tower measurements in the surface layer we were able to get a reasonable description of turbulence and other quantities through the ABL. As a first application of the model, we present vertical profiles of organic compounds and discuss their relation to newly formed particles.

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Copyright Author(s) 2011. This work is distributed under the Creative Commons Attribution 3.0 License
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Author Boy, M.
Sogachev, A.
Lauros, J.
ZHOU, L.
Guenther, Alex B.
Smolander, S.
Publisher UCAR/NCAR - Library
Publication Date 2011-01-03T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-17T14:50:22.549187
Metadata Record Identifier edu.ucar.opensky::articles:10616
Metadata Language eng; USA
Suggested Citation Boy, M., Sogachev, A., Lauros, J., ZHOU, L., Guenther, Alex B., Smolander, S.. (2011). SOSA - a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL - Part 1: Model description and initial evaluation. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d71r6r1v. Accessed 16 August 2025.

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