Articles | Volume 20, issue 13
https://doi.org/10.5194/acp-20-8201-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-8201-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Jul 2020
Research article |
| 16 Jul 2020
| 16 Jul 2020
Predicting secondary organic aerosol phase state and viscosity and its effect on multiphase chemistry in a regional-scale air quality model
Ryan Schmedding
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
present address: Department of Atmospheric and Oceanic Science, McGill
University, Montreal, H3A 2K6, Canada
Quazi Z. Rasool
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
present address: Pacific Northwest National Laboratory, Richland, WA 99354, USA
Yue Zhang
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
Aerodyne Research, Inc., Billerica, MA 01821, USA
Havala O. T. Pye
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
Office of Research and Development, Environmental Protection Agency,
Research Triangle Park, Durham, NC 27709, USA
Haofei Zhang
Department of Chemistry, University of California at Riverside, Riverside,
CA 92521, USA
Yuzhi Chen
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
Jason D. Surratt
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
Felipe D. Lopez-Hilfiker
Department of Atmospheric Sciences, University of Washington, Seattle, WA
98195, USA
present address: Tofwerk AG, 3600 Thun, Switzerland
Joel A. Thornton
Department of Atmospheric Sciences, University of Washington, Seattle, WA
98195, USA
Allen H. Goldstein
Department of Environmental Science, Policy, and Management, University of
California, Berkeley, CA 94720, USA
Department of Civil and Environmental Engineering, University of California,
Berkeley, CA 94720, USA
William Vizuete
CORRESPONDING AUTHOR
Department of Environmental Science and Engineering, The University of North
Carolina at Chapel Hill, Chapel Hill, NC 27516, USA
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49 citations as recorded by crossref.
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- Initial pH Governs Secondary Organic Aerosol Phase State and Morphology after Uptake of Isoprene Epoxydiols (IEPOX) Z. Lei et al. 10.1021/acs.est.2c01579
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- Global Distribution of the Phase State and Mixing Times within Secondary Organic Aerosol Particles in the Troposphere Based on Room-Temperature Viscosity Measurements A. Maclean et al. 10.1021/acsearthspacechem.1c00296
- Organic acid evaporation kinetics from aqueous aerosols: implications for aerosol buffering capacity in the atmosphere K. Angle et al. 10.1039/D2EA00092J
- Secondary Organic Aerosol from Biomass Burning Phenolic Compounds and Nitrate Radicals can be Highly Viscous over a Wide Relative Humidity Range S. Nikkho et al. 10.1021/acs.est.4c06235
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- Microscopic observation of a liquid-liquid-(semi)solid phase in polluted PM2.5 S. Gaikwad et al. 10.3389/fenvs.2022.947924
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- Nonequilibrium Behavior in Isoprene Secondary Organic Aerosol Y. Chen et al. 10.1021/acs.est.3c03532
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- Size Dependence of Liquid–Liquid Phase Separation by in Situ Study of Flowing Submicron Aerosol Particles P. Ohno et al. 10.1021/acs.jpca.2c08224
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- Determining the Role of Acidity, Fate and Formation of IEPOX-Derived SOA in CMAQ P. Vasilakos et al. 10.3390/atmos12060707
- Molecular-scale description of interfacial mass transfer in phase-separated aqueous secondary organic aerosol M. Lbadaoui-Darvas et al. 10.5194/acp-21-17687-2021
- Secondary Brown Carbon Aerosol Resists Bleaching by Ozone under Acidic Conditions K. Jansen et al. 10.1021/acs.jpca.4c02356
- Predicting glass transition temperature and melting point of organic compounds via machine learning and molecular embeddings T. Galeazzo & M. Shiraiwa 10.1039/D1EA00090J
Latest update: 10 Dec 2024
Short summary
Accurate model prediction of aerosol concentrations is a known challenge. It is assumed in many modeling systems that aerosols are in a homogeneously mixed phase state. It has been observed that aerosols do phase separate and can form a highly viscous organic shell with an aqueous core impacting the formation processes of aerosols. This work is a model implementation to determine an aerosol's phase state using glass transition temperature and aerosol composition.
Accurate model prediction of aerosol concentrations is a known challenge. It is assumed in many...
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