Articles | Volume 18, issue 23
Atmos. Chem. Phys., 18, 16979–17001, 2018
https://doi.org/10.5194/acp-18-16979-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 18, 16979–17001, 2018
https://doi.org/10.5194/acp-18-16979-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article 30 Nov 2018
Research article | 30 Nov 2018
Elucidating real-world vehicle emission factors from mobile measurements over a large metropolitan region: a focus on isocyanic acid, hydrogen cyanide, and black carbon
Sumi N. Wren et al.
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Cited
11 citations as recorded by crossref.
- Isocyanic acid (HNCO) and its fate in the atmosphere: a review M. Leslie et al. 10.1039/C9EM00003H
- Atmospheric chemical loss processes of isocyanic acid (HNCO): a combined theoretical kinetic and global modelling study S. Rosanka et al. 10.5194/acp-20-6671-2020
- Integrated urban services: Experience from four cities on different continents A. Baklanov et al. 10.1016/j.uclim.2020.100610
- Advances in science and applications of air pollution monitoring: A case study on oil sands monitoring targeting ecosystem protection J. Brook et al. 10.1080/10962247.2019.1607689
- High Concentrations of Atmospheric Isocyanic Acid (HNCO) Produced from Secondary Sources in China Z. Wang et al. 10.1021/acs.est.0c02843
- Composition of Ultrafine Particles in Urban Beijing: Measurement Using a Thermal Desorption Chemical Ionization Mass Spectrometer X. Li et al. 10.1021/acs.est.0c06053
- Emissions of carboxylic acids, hydrogen cyanide (HCN) and isocyanic acid (HNCO) from vehicle exhaust T. Li et al. 10.1016/j.atmosenv.2021.118218
- Levels, spatial distribution, and source identification of airborne environmentally persistent free radicals from tree leaves C. Wang et al. 10.1016/j.envpol.2019.113353
- Sensitivity analysis of area-wide, mobile source emission factors to high-emitter vehicles in Los Angeles M. Kelp et al. 10.1016/j.atmosenv.2019.117212
- Sources of isocyanic acid (HNCO) indoors: a focus on cigarette smoke R. Hems et al. 10.1039/C9EM00107G
- Pollution profiles of volatile organic compounds from different urban functional areas in Guangzhou China based on GC/MS and PTR-TOF-MS: Atmospheric environmental implications C. Han et al. 10.1016/j.atmosenv.2019.116843
11 citations as recorded by crossref.
- Isocyanic acid (HNCO) and its fate in the atmosphere: a review M. Leslie et al. 10.1039/C9EM00003H
- Atmospheric chemical loss processes of isocyanic acid (HNCO): a combined theoretical kinetic and global modelling study S. Rosanka et al. 10.5194/acp-20-6671-2020
- Integrated urban services: Experience from four cities on different continents A. Baklanov et al. 10.1016/j.uclim.2020.100610
- Advances in science and applications of air pollution monitoring: A case study on oil sands monitoring targeting ecosystem protection J. Brook et al. 10.1080/10962247.2019.1607689
- High Concentrations of Atmospheric Isocyanic Acid (HNCO) Produced from Secondary Sources in China Z. Wang et al. 10.1021/acs.est.0c02843
- Composition of Ultrafine Particles in Urban Beijing: Measurement Using a Thermal Desorption Chemical Ionization Mass Spectrometer X. Li et al. 10.1021/acs.est.0c06053
- Emissions of carboxylic acids, hydrogen cyanide (HCN) and isocyanic acid (HNCO) from vehicle exhaust T. Li et al. 10.1016/j.atmosenv.2021.118218
- Levels, spatial distribution, and source identification of airborne environmentally persistent free radicals from tree leaves C. Wang et al. 10.1016/j.envpol.2019.113353
- Sensitivity analysis of area-wide, mobile source emission factors to high-emitter vehicles in Los Angeles M. Kelp et al. 10.1016/j.atmosenv.2019.117212
- Sources of isocyanic acid (HNCO) indoors: a focus on cigarette smoke R. Hems et al. 10.1039/C9EM00107G
- Pollution profiles of volatile organic compounds from different urban functional areas in Guangzhou China based on GC/MS and PTR-TOF-MS: Atmospheric environmental implications C. Han et al. 10.1016/j.atmosenv.2019.116843
Latest update: 27 Feb 2021
Short summary
We made measurements from a mobile laboratory across a large urban area and determined fleet-average vehicle emission factors (EFs) for a suite of traffic-related air pollutants. We present the first real-world EFs for isocyanic acid (HNCO) and hydrogen cyanide (HCN) and insight into their on-road variability. We find that vehicles may represent an important source of these air toxics at an urban scale. This work has implications for understanding population exposure to these species.
We made measurements from a mobile laboratory across a large urban area and determined...
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