Articles | Volume 20, issue 2
https://doi.org/10.5194/acp-20-735-2020
© 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-20-735-2020
© 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 Jan 2020
Research article |
| 22 Jan 2020
| 22 Jan 2020
Sources and atmospheric dynamics of organic aerosol in New Delhi, India: insights from receptor modeling
Sahil Bhandari
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
Shahzad Gani
Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas, USA
Kanan Patel
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
Dongyu S. Wang
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
Prashant Soni
Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
Zainab Arub
Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
Gazala Habib
Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas, USA
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA
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- Study of secondary organic aerosol formation and aging using ambient air in an oxidation flow reactor during high pollution events over Delhi V. Goel et al. 10.1016/j.envres.2024.118542
- Chemical characterization of PM2.5 and source apportionment of organic aerosol in New Delhi, India A. Tobler et al. 10.1016/j.scitotenv.2020.140924
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- Improved method to apportion optical absorption by black and brown carbon under the influence of haze and fog at Lumbini, Nepal, on the Indo-Gangetic Plains S. Izhar et al. 10.1016/j.envpol.2020.114640
- Contributions of primary sources to submicron organic aerosols in Delhi, India S. Bhandari et al. 10.5194/acp-22-13631-2022
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- Size distributions of source-specific risks of atmospheric heavy metals: An advanced method to quantify source contributions to size-segregated respiratory exposure Y. Tian et al. 10.1016/j.jhazmat.2020.124355
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- Measurement report: Hygroscopicity of size-selected aerosol particles in the heavily polluted urban atmosphere of Delhi: impacts of chloride aerosol A. Mandariya et al. 10.5194/acp-24-3627-2024
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Latest update: 17 Jul 2024
Short summary
Delhi, India, is the most polluted megacity on the planet, posing acute challenges to public health. We report on source apportionment conducted on 15 months of highly time-resolved mass spectrometer data. We find that severe air pollution episodes are dominated by primary organic aerosol, while secondary organic aerosol dominates the fractional contributions year-round, suggesting the importance of sources as well as their atmospheric processing on pollution levels in Delhi.
Delhi, India, is the most polluted megacity on the planet, posing acute challenges to public...
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