Articles | Volume 23, issue 9
https://doi.org/10.5194/acp-23-5043-2023
© Author(s) 2023. 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-23-5043-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 May 2023
Research article |
| 04 May 2023
| 04 May 2023
Linking gas, particulate, and toxic endpoints to air emissions in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM)
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
Bryan K. Place
Oak Ridge Institute for Science and Engineering (ORISE), Office of Research and Development, U.S. Environmental
Protection Agency, Research Triangle Park, North Carolina, USA
Benjamin N. Murphy
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
Karl M. Seltzer
Oak Ridge Institute for Science and Engineering (ORISE), Office of Research and Development, U.S. Environmental
Protection Agency, Research Triangle Park, North Carolina, USA
Office of Air and Radiation, U.S. Environmental Protection Agency,
Research Triangle Park, North Carolina, USA
Emma L. D'Ambro
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
Christine Allen
General Dynamics Information Technology, Research Triangle Park, North Carolina, USA
Ivan R. Piletic
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
Sara Farrell
Oak Ridge Institute for Science and Engineering (ORISE), Office of Research and Development, U.S. Environmental
Protection Agency, Research Triangle Park, North Carolina, USA
Rebecca H. Schwantes
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, Colorado, USA
Matthew M. Coggon
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, Colorado, USA
Emily Saunders
Office of Chemical Safety and Pollution Prevention, U.S. Environmental
Protection Agency, Washington, DC, USA
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Science (CIRES), University of Colorado Boulder, Boulder, Colorado, USA
Golam Sarwar
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
William T. Hutzell
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
Kristen M. Foley
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
George Pouliot
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
Jesse Bash
Office of Research and Development, U.S. Environmental Protection
Agency, Research Triangle Park, North Carolina, USA
William R. Stockwell
Department of Physics, University of Texas at El Paso, El Paso, Texas, USA
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- Dual roles of the inorganic aqueous phase on secondary organic aerosol growth from benzene and phenol J. Choi et al. 10.5194/acp-24-6567-2024
- Role of chemical production and depositional losses on formaldehyde in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) T. Skipper et al. 10.5194/acp-24-12903-2024
- Kinetic Modeling of Secondary Organic Aerosol in a Weather-Chemistry Model: Parameterizations, Processes, and Predictions for GOAmazon Y. He et al. 10.1021/acsestair.4c00240
- Opinion: Challenges and needs of tropospheric chemical mechanism development B. Ervens et al. 10.5194/acp-24-13317-2024
- Can we achieve atmospheric chemical environments in the laboratory? An integrated model-measurement approach to chamber SOA studies H. Kenagy et al. 10.1126/sciadv.ado1482
- Analyzing the Role of Chemical Mechanism Choice in Wintertime PM2.5 Modeling for Temperature Inversion-Prone Areas C. Phelan et al. 10.1021/acsestair.4c00139
- Contribution of Aftertreatment Technologies to Alleviating SOA and Toxicity Generation from Typical Diesel Engine-Emitted I/SVOCs Y. Huo et al. 10.1021/acs.est.4c09555
- A better representation of volatile organic compound chemistry in WRF-Chem and its impact on ozone over Los Angeles Q. Zhu et al. 10.5194/acp-24-5265-2024
- Useful hourly measurements of formaldehyde at PAMS sites in New York O. Rattigan et al. 10.1016/j.apr.2025.102568
- Formation of late-generation atmospheric compounds inhibited by rapid deposition C. Bi & G. Isaacman-VanWertz 10.1038/s41561-025-01650-2
- Fostering a Holistic Understanding of the Full Volatility Spectrum of Organic Compounds from Benzene Series Precursors through Mechanistic Modeling D. Yin et al. 10.1021/acs.est.3c07128
- A review of the CAMx, CMAQ, WRF-Chem and NAQPMS models: Application, evaluation and uncertainty factors Z. Gao & X. Zhou 10.1016/j.envpol.2023.123183
- CAMx–UNIPAR simulation of secondary organic aerosol mass formed from multiphase reactions of hydrocarbons under the Central Valley urban atmospheres of California Y. Jo et al. 10.5194/acp-24-487-2024
- An updated modeling framework to simulate Los Angeles air quality – Part 1: Model development, evaluation, and source apportionment E. Pennington et al. 10.5194/acp-24-2345-2024
- Contribution of cooking emissions to the urban volatile organic compounds in Las Vegas, NV M. Coggon et al. 10.5194/acp-24-4289-2024
- GPU Implementation of a Gas-Phase Chemistry Solver in the CMAQ Chemical Transport Model D. Quevedo et al. 10.1021/acsestair.4c00181
- Missing Measurements of Sesquiterpene Ozonolysis Rates and Composition Limit Understanding of Atmospheric Reactivity G. Isaacman-VanWertz et al. 10.1021/acs.est.3c10348
- Emissions and Atmospheric Chemistry of Furanoids from Biomass Burning: Insights from Laboratory to Atmospheric Observations M. Romanias et al. 10.1021/acsearthspacechem.3c00226
- Widespread 2013-2020 decreases and reduction challenges of organic aerosol in China Q. Chen et al. 10.1038/s41467-024-48902-0
- Sensitivity of northeastern US surface ozone predictions to the representation of atmospheric chemistry in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMMv1.0) B. Place et al. 10.5194/acp-23-9173-2023
Latest update: 16 May 2025
Short summary
Chemical mechanisms describe how emissions from vehicles, vegetation, and other sources are chemically transformed in the atmosphere to secondary products including criteria and hazardous air pollutants. The Community Regional Atmospheric Chemistry Multiphase Mechanism integrates gas-phase radical chemistry with pathways to fine-particle mass. New species were implemented, resulting in a bottom-up representation of organic aerosol, which is required for accurate source attribution of pollutants.
Chemical mechanisms describe how emissions from vehicles, vegetation, and other sources are...
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