Articles | Volume 20, issue 18
https://doi.org/10.5194/acp-20-10889-2020
© 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-20-10889-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Sep 2020
Research article |
| 22 Sep 2020
| 22 Sep 2020
CRI-HOM: A novel chemical mechanism for simulating highly oxygenated organic molecules (HOMs) in global chemistry–aerosol–climate models
Centre for Atmospheric Science, Department of Chemistry, University of
Cambridge, Cambridge, CB2 1EW, UK
Scott Archer-Nicholls
Centre for Atmospheric Science, Department of Chemistry, University of
Cambridge, Cambridge, CB2 1EW, UK
Paul Griffiths
Centre for Atmospheric Science, Department of Chemistry, University of
Cambridge, Cambridge, CB2 1EW, UK
National Centre for Atmospheric Science, Department of Chemistry,
University of Cambridge, CB2 1EW, UK
Torsten Berndt
Atmospheric Chemistry Department (ACD), Leibniz Institute for
Tropospheric Research (TROPOS), 04318 Leipzig, Germany
Michael Jenkin
Atmospheric Chemistry Services, Okehampton, Devon, EX20 4BQ, UK
Hamish Gordon
Engineering Research Accelerator and Center for Atmospheric Particle
Studies, Carnegie Mellon University, Pittsburgh, PA 15213, USA
Christoph Knote
Meteorologisches Institut, Ludwig-Maximilians-Universität
München, 80333 Munich, Germany
Alexander T. Archibald
Centre for Atmospheric Science, Department of Chemistry, University of
Cambridge, Cambridge, CB2 1EW, UK
National Centre for Atmospheric Science, Department of Chemistry,
University of Cambridge, CB2 1EW, UK
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Cited
18 citations as recorded by crossref.
- Chemical characterisation of benzene oxidation products under high- and low-NO<sub><i>x</i></sub> conditions using chemical ionisation mass spectrometry M. Priestley et al. 10.5194/acp-21-3473-2021
- Development, intercomparison, and evaluation of an improved mechanism for the oxidation of dimethyl sulfide in the UKCA model B. Cala et al. 10.5194/acp-23-14735-2023
- Global simulations of monoterpene-derived peroxy radical fates and the distributions of highly oxygenated organic molecules (HOMs) and accretion products R. Xu et al. 10.5194/acp-22-5477-2022
- Chemistry-albedo feedbacks offset up to a third of forestation’s CO 2 removal benefits J. Weber et al. 10.1126/science.adg6196
- Global modeling of aerosol nucleation with a semi-explicit chemical mechanism for highly oxygenated organic molecules (HOMs) X. Shao et al. 10.5194/acp-24-11365-2024
- Improvements to the representation of BVOC chemistry–climate interactions in UKCA (v11.5) with the CRI-Strat 2 mechanism: incorporation and evaluation J. Weber et al. 10.5194/gmd-14-5239-2021
- Trimethylamine Outruns Terpenes and Aromatics in Atmospheric Autoxidation T. Berndt et al. 10.1021/acs.jpca.1c02465
- Highly Oxygenated Organic Nitrates Formed from NO3 Radical-Initiated Oxidation of β-Pinene H. Shen et al. 10.1021/acs.est.1c03978
- Theoretical study of the formation and nucleation mechanism of highly oxygenated multi-functional organic compounds produced by α-pinene X. Shi et al. 10.1016/j.scitotenv.2021.146422
- Updated isoprene and terpene emission factors for the Interactive BVOC (iBVOC) emission scheme in the United Kingdom Earth System Model (UKESM1.0) J. Weber et al. 10.5194/gmd-16-3083-2023
- Isolating α-Pinene Ozonolysis Pathways Reveals New Insights into Peroxy Radical Chemistry and Secondary Organic Aerosol Formation Z. Zhao et al. 10.1021/acs.est.1c02107
- Chemistry-driven changes strongly influence climate forcing from vegetation emissions J. Weber et al. 10.1038/s41467-022-34944-9
- The impacts of VOCs on PM2.5 increasing via their chemical losses estimates: A case study in a typical industrial city of China W. Wei et al. 10.1016/j.atmosenv.2022.118978
- Implementation of a parallel reduction algorithm in the GENerator of reduced Organic Aerosol mechanisms (GENOA v2.0): Application to multiple monoterpene aerosol precursors Z. Wang et al. 10.1016/j.jaerosci.2023.106248
- Importance of Hydroxyl Radical Chemistry in Isoprene Suppression of Particle Formation from α-Pinene Ozonolysis Y. Wang et al. 10.1021/acsearthspacechem.0c00294
- Linking gas, particulate, and toxic endpoints to air emissions in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) H. Pye et al. 10.5194/acp-23-5043-2023
- Observationally Constrained Modeling of Peroxy Radical During an Ozone Episode in the Pearl River Delta Region, China J. Wang et al. 10.1029/2022JD038279
- The Common Representative Intermediates Mechanism Version 2 in the United Kingdom Chemistry and Aerosols Model S. Archer‐Nicholls et al. 10.1029/2020MS002420
17 citations as recorded by crossref.
- Chemical characterisation of benzene oxidation products under high- and low-NO<sub><i>x</i></sub> conditions using chemical ionisation mass spectrometry M. Priestley et al. 10.5194/acp-21-3473-2021
- Development, intercomparison, and evaluation of an improved mechanism for the oxidation of dimethyl sulfide in the UKCA model B. Cala et al. 10.5194/acp-23-14735-2023
- Global simulations of monoterpene-derived peroxy radical fates and the distributions of highly oxygenated organic molecules (HOMs) and accretion products R. Xu et al. 10.5194/acp-22-5477-2022
- Chemistry-albedo feedbacks offset up to a third of forestation’s CO 2 removal benefits J. Weber et al. 10.1126/science.adg6196
- Global modeling of aerosol nucleation with a semi-explicit chemical mechanism for highly oxygenated organic molecules (HOMs) X. Shao et al. 10.5194/acp-24-11365-2024
- Improvements to the representation of BVOC chemistry–climate interactions in UKCA (v11.5) with the CRI-Strat 2 mechanism: incorporation and evaluation J. Weber et al. 10.5194/gmd-14-5239-2021
- Trimethylamine Outruns Terpenes and Aromatics in Atmospheric Autoxidation T. Berndt et al. 10.1021/acs.jpca.1c02465
- Highly Oxygenated Organic Nitrates Formed from NO3 Radical-Initiated Oxidation of β-Pinene H. Shen et al. 10.1021/acs.est.1c03978
- Theoretical study of the formation and nucleation mechanism of highly oxygenated multi-functional organic compounds produced by α-pinene X. Shi et al. 10.1016/j.scitotenv.2021.146422
- Updated isoprene and terpene emission factors for the Interactive BVOC (iBVOC) emission scheme in the United Kingdom Earth System Model (UKESM1.0) J. Weber et al. 10.5194/gmd-16-3083-2023
- Isolating α-Pinene Ozonolysis Pathways Reveals New Insights into Peroxy Radical Chemistry and Secondary Organic Aerosol Formation Z. Zhao et al. 10.1021/acs.est.1c02107
- Chemistry-driven changes strongly influence climate forcing from vegetation emissions J. Weber et al. 10.1038/s41467-022-34944-9
- The impacts of VOCs on PM2.5 increasing via their chemical losses estimates: A case study in a typical industrial city of China W. Wei et al. 10.1016/j.atmosenv.2022.118978
- Implementation of a parallel reduction algorithm in the GENerator of reduced Organic Aerosol mechanisms (GENOA v2.0): Application to multiple monoterpene aerosol precursors Z. Wang et al. 10.1016/j.jaerosci.2023.106248
- Importance of Hydroxyl Radical Chemistry in Isoprene Suppression of Particle Formation from α-Pinene Ozonolysis Y. Wang et al. 10.1021/acsearthspacechem.0c00294
- Linking gas, particulate, and toxic endpoints to air emissions in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) H. Pye et al. 10.5194/acp-23-5043-2023
- Observationally Constrained Modeling of Peroxy Radical During an Ozone Episode in the Pearl River Delta Region, China J. Wang et al. 10.1029/2022JD038279
Latest update: 02 Nov 2024
Short summary
Highly oxygenated organic molecules (HOMs) are important for aerosol growth and new particle formation, particularly in air masses with less sulphuric acid. This new chemical mechanism reproduces measured [HOM] and [HOM precursors] and is concise enough for use in global climate models. The mechanism also reproduces the observed suppression of HOMs by isoprene, suggesting enhanced emissions may not necessarily lead to more aerosols. Greater HOM importance in the pre-industrial era is also shown.
Highly oxygenated organic molecules (HOMs) are important for aerosol growth and new particle...
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