Evaluation of some SOA formation schemes for the oxidation of anthropogenic gases against experiments in two outdoor chambers

Marta Garcia Vivanco; Florian Couvidat; Christian Seigneur; Myoseon Jang; Manuel Santiago; Bertrand Bessagnet

doi:10.1504/IJEP.2016.078062

Evaluation of some SOA formation schemes for the oxidation of anthropogenic gases against experiments in two outdoor chambers

Marta Garcia Vivanco
, Florian Couvidat
, Christian Seigneur
, Myoseon Jang
, Manuel Santiago
, Bertrand Bessagnet

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
INERIS Institut National de l'Environnement Industriel et des Risques
Université Paris Est, ENPC LIGM, IMAGINE
University of Florida
WorleyParsons Spain

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Secondary organic aerosol (SOA) formation remains a challenge for the air quality modelling community. Gaps in the current knowledge of certain processes involved in SOA formation and evolution, as well as the large number of uncertainties in many parameters involved, affect the accuracy of the simulation of atmospheric SOA concentrations. We present here an evaluation of several published SOA schemes by simulating experiments conducted in two outdoor chambers, EUPHORE (Ceam, Valencia, Spain) and UF (University of Florida, Gainesville, USA). The experiments focused on the oxidation of selected anthropogenic volatile organic compounds. We compare model estimates for one-step, two-step and multi-step gas-phase oxidation schemes with SOA concentrations measured in the chambers. For all schemes, some modifications were needed to obtain a better agreement between model simulations and observations.

Original language	English
Pages (from-to)	43-55
Number of pages	13
Journal	International Journal of Environment and Pollution
Volume	59
Issue number	1
DOIs	https://doi.org/10.1504/IJEP.2016.078062
Publication status	Published - 1 Jan 2016
Externally published	Yes

Keywords

Air quality modelling
Chamber experiments
SOA
Secondary organic aerosol

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title = "Evaluation of some SOA formation schemes for the oxidation of anthropogenic gases against experiments in two outdoor chambers",

abstract = "Secondary organic aerosol (SOA) formation remains a challenge for the air quality modelling community. Gaps in the current knowledge of certain processes involved in SOA formation and evolution, as well as the large number of uncertainties in many parameters involved, affect the accuracy of the simulation of atmospheric SOA concentrations. We present here an evaluation of several published SOA schemes by simulating experiments conducted in two outdoor chambers, EUPHORE (Ceam, Valencia, Spain) and UF (University of Florida, Gainesville, USA). The experiments focused on the oxidation of selected anthropogenic volatile organic compounds. We compare model estimates for one-step, two-step and multi-step gas-phase oxidation schemes with SOA concentrations measured in the chambers. For all schemes, some modifications were needed to obtain a better agreement between model simulations and observations.",

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AU - Couvidat, Florian

AU - Seigneur, Christian

AU - Jang, Myoseon

AU - Santiago, Manuel

AU - Bessagnet, Bertrand

PY - 2016/1/1

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N2 - Secondary organic aerosol (SOA) formation remains a challenge for the air quality modelling community. Gaps in the current knowledge of certain processes involved in SOA formation and evolution, as well as the large number of uncertainties in many parameters involved, affect the accuracy of the simulation of atmospheric SOA concentrations. We present here an evaluation of several published SOA schemes by simulating experiments conducted in two outdoor chambers, EUPHORE (Ceam, Valencia, Spain) and UF (University of Florida, Gainesville, USA). The experiments focused on the oxidation of selected anthropogenic volatile organic compounds. We compare model estimates for one-step, two-step and multi-step gas-phase oxidation schemes with SOA concentrations measured in the chambers. For all schemes, some modifications were needed to obtain a better agreement between model simulations and observations.

AB - Secondary organic aerosol (SOA) formation remains a challenge for the air quality modelling community. Gaps in the current knowledge of certain processes involved in SOA formation and evolution, as well as the large number of uncertainties in many parameters involved, affect the accuracy of the simulation of atmospheric SOA concentrations. We present here an evaluation of several published SOA schemes by simulating experiments conducted in two outdoor chambers, EUPHORE (Ceam, Valencia, Spain) and UF (University of Florida, Gainesville, USA). The experiments focused on the oxidation of selected anthropogenic volatile organic compounds. We compare model estimates for one-step, two-step and multi-step gas-phase oxidation schemes with SOA concentrations measured in the chambers. For all schemes, some modifications were needed to obtain a better agreement between model simulations and observations.

KW - Air quality modelling

KW - Chamber experiments

KW - SOA

KW - Secondary organic aerosol

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DO - 10.1504/IJEP.2016.078062

M3 - Article

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JO - International Journal of Environment and Pollution

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Evaluation of some SOA formation schemes for the oxidation of anthropogenic gases against experiments in two outdoor chambers

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Keywords

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