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

Michael Boy, Andrey Sogachev, Johanna Lauros, Luxi Zhou, Alex Guenther, Sampo Smolander

Research output: Contribution to journalArticleScientificpeer-review

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.

Original languageEnglish
JournalAtmospheric Chemistry and Physics
Volume11
Issue number1
Pages (from-to)43-51
Number of pages9
ISSN1680-7316
DOIs
Publication statusPublished - 3 Jan 2011
MoE publication typeA1 Journal article-refereed

Fields of Science

  • 116 Chemical sciences
  • 114 Physical sciences

Cite this

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title = "SOSA – a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL: Part 1: Model description and initial evaluation",
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 Hyyti{\"a}l{\"a}, 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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SOSA – a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL : Part 1: Model description and initial evaluation. / Boy, Michael; Sogachev, Andrey; Lauros, Johanna; Zhou, Luxi; Guenther, Alex; Smolander, Sampo.

In: Atmospheric Chemistry and Physics, Vol. 11, No. 1, 03.01.2011, p. 43-51.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - SOSA – a new model to simulate the concentrations of organic vapours and sulphuric acid inside the ABL

T2 - Part 1: Model description and initial evaluation

AU - Boy, Michael

AU - Sogachev, Andrey

AU - Lauros, Johanna

AU - Zhou, Luxi

AU - Guenther, Alex

AU - Smolander, Sampo

PY - 2011/1/3

Y1 - 2011/1/3

N2 - 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.

AB - 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.

KW - 116 Chemical sciences

KW - 114 Physical sciences

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