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38 results on '"Mandal, Papiya"'

8. Indoor Air Pollution at Restaurant Kitchen in Delhi NCR

Author

Kumari, Poonam, Mandal, Papiya, di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Kumar, Sunil, editor, Kalamdhad, Ajay, editor, and Ghangrekar, Makarand M., editor

Published
2021
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9. Estimation of Greenhouse Gases in the Ambient Air

Author

Mandal, Papiya, Kumar, Naveen, Patel, Ajey Kumar, di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Kumar, Sunil, editor, Kalamdhad, Ajay, editor, and Ghangrekar, Makarand M., editor

Published
2021
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18. Optical Properties of Fine Mode Aerosols over High-Altitude Himalayan Glacier Regions

Author

Verma, Sushant Ranjan, primary, Pervez, Shamsh, additional, Chow, Judith C., additional, Watson, John G., additional, Andrabi, Syed Muzaffarali, additional, Mandal, Papiya, additional, Khan, Noor Afshan, additional, Tiwari, Suresh, additional, Chandra Dumka, Umesh, additional, Chakrabarty, Rajan K., additional, Verma, Madhuri, additional, Pervez, Yasmeen Fatima, additional, Mishra, Archi, additional, Tamrakar, Aishwaryashri, additional, Sowmya, Hulivahana Nagaraju, additional, Deb, Manas Kanti, additional, Ghosh, Kallol K., additional, Jain, Vikas Kumar, additional, Karbhal, Indrapal, additional, Shrivas, Kamlesh, additional, and Satnami, Manmohan Lal, additional

Published
2023
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19. Seasonal Trends and source Apportionment of Carbonaceous Aerosols in PM10 at Central Delhi, India.

Author

Singh, Shweta, Kumar, Krishan, Mandal, Papiya, and Kulshrestha, Monika J.

Abstract

The present study shows seasonal trends and potential sources of carbonaceous contents in PM10, i.e., organic carbon (OC), elemental carbon (EC), total carbonaceous aerosols (TCA), and secondary organic carbon (SOC) at central Delhi during January-December 2019. The annual mass abundance of PM10 exhibited large seasonal variability and varied from 42.0 to 397.2 µg/m3 (Average 182.4 ± 17.2 µg/m3). The highest mass abundance of PM10 was observed during winter (260.5 ± 24.7 µg/m3), followed by summer (200.4 ± 28.4 µg/m3), post-monsoon (190.0 ± 36.5 µg/m3), and monsoon (78.1 ± 13.7 µg/m3). Annual average mass concentrations of OC and EC were observed as 24.1 ± 2.7 and 7.9 ± 0.9 µg/m3, respectively, and their seasonal averages followed a similar trend as winter > post-monsoon > summer > monsoon. OC/EC ratio varied from 2.0 to 8.7 (Average 3.5), suggesting a wide range of contributions throughout the year arising from vehicular exhausts, wood-fuel burning, biomass burning, coal combustion, waste burning, and secondary organic aerosols. The annual average contribution of TCA to PM10 was ~ 26%, whereas the seasonal contribution was found to be the highest during winter (31%) and post-monsoon (30%) followed by, summer (28%), and monsoon (17%) respectively. The estimated concentrations of SOC were the highest during winter (12.9 ± 3.7 µg/m3), followed by post-monsoon (9.2 ± 4.6 µg/m3), summer (7.0 ± 1.7 µg/m3), and monsoon (2.3 ± 0.8 µg/m3) seasons. The highest contribution during winter and post-monsoon suggests the active role of boundary layer dynamics resulting in secondary particle formation. The study of carbon sub-fractions, along with PCA, revealed that EC1 and OC3 were the dominating fractions suggesting gasoline vehicular exhaust as the significant emission source. [ABSTRACT FROM AUTHOR]

Published
2023
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20. Atmospheric Abundance of PM2.5 Carbonaceous Matter and Their Potential Sources at Three High-Altitude Glacier Sites over the Indian Himalayan Range

Author

Verma, Sushant Ranjan, primary, Pervez, Shamsh, additional, Mandal, Papiya, additional, Chow, Judith C., additional, Watson, John G., additional, Andrabi, Syed Muzaffarali, additional, Verma, Madhuri, additional, Dugga, Princy, additional, Khan, Noor Afshan, additional, Pervez, Yasmeen Fatima, additional, Mishra, Archi, additional, Deb, Manas Kanti, additional, Karbhal, Indrapal, additional, Tiwari, Suresh, additional, Ghosh, Kallol K., additional, Shrivas, Kamlesh, additional, and Satnami, Manmohan Lal, additional

Published
2022
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27. Atmospheric Abundance of PM2.5 Carbonaceous Matter and Their Potential Sources at Three High-Altitude Glacier Sites over the Indian Himalayan Range.

Author

Verma, Sushant Ranjan, Pervez, Shamsh, Mandal, Papiya, Chow, Judith C., Watson, John G., Andrabi, Syed Muzaffarali, Verma, Madhuri, Dugga, Princy, Khan, Noor Afshan, Pervez, Yasmeen Fatima, Mishra, Archi, Deb, Manas Kanti, Karbhal, Indrapal, Tiwari, Suresh, Ghosh, Kallol K., Shrivas, Kamlesh, and Satnami, Manmohan Lal

Published
2022
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