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www.atmos-chem-phys-discuss.net/10/18607/2010/
doi:10.5194/acpd-10-18607-2010
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SOSA – a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL – Part 1: Model description and initial evaluation
1University of Helsinki, Department of Physical Sciences, P.O. Box 48, 00014 Helsinki, Finland
2Wind Energy Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark, Building 118, Box 49, 4000, Roskilde, Denmark
3ACD, NCAR, P.O. Box 3000, 80305 Boulder, Colorado, USA
Abstract. 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.
Discussion Paper (PDF, 3813 KB) Interactive Discussion (Closed, 3 Comments) Final Revised Paper (ACP) Special Issue
Notice on Discussion StatusCitation: Boy, M., Sogachev, A., Lauros, J., Zhou, L., Guenther, A., and Smolander, S.: SOSA – a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL – Part 1: Model description and initial evaluation, Atmos. Chem. Phys. Discuss., 10, 18607-18633, doi:10.5194/acpd-10-18607-2010, 2010. Bibtex EndNote Reference Manager XML
