Articles | Volume 22, issue 7
https://doi.org/10.5194/acp-22-4491-2022
https://doi.org/10.5194/acp-22-4491-2022
Research article
 | 
07 Apr 2022
Research article |  | 07 Apr 2022

Observations of particle number size distributions and new particle formation in six Indian locations

Mathew Sebastian, Sobhan Kumar Kompalli, Vasudevan Anil Kumar, Sandhya Jose, S. Suresh Babu, Govindan Pandithurai, Sachchidanand Singh, Rakesh K. Hooda, Vijay K. Soni, Jeffrey R. Pierce, Ville Vakkari, Eija Asmi, Daniel M. Westervelt, Antti-Pekka Hyvärinen, and Vijay P. Kanawade

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Cited articles

Anil Kumar, V., Hazra, A., Pandithurai, G., Kulkarni, G., Mohan, G. M., Mukherjee, S., Kumar, A. V., Hazra, A., Pandithurai, G., Kulkarni, G., Mohan, G. M., Mukherjee, S., Leena, P. P., Patil, R. D., and Prasad, D. S. V. V. D.: Atmospheric ice nucleating particle measurements and parameterization representative for Indian region, Atmos. Res., 253, 105487, https://doi.org/10.1016/j.atmosres.2021.105487, 2021. 
Babu, S. S., Kompalli, S. K., and Moorthy, K. K.: Aerosol number size distributions over a coastal semi urban location: Seasonal changes and ultrafine particle bursts, Sci. Total Environ., 563–564, 351–365, https://doi.org/10.1016/j.scitotenv.2016.03.246, 2016. 
Bousiotis, D., Brean, J., Pope, F. D., Dall'Osto, M., Querol, X., Alastuey, A., Perez, N., Petäjä, T., Massling, A., Nøjgaard, J. K., Nordstrøm, C., Kouvarakis, G., Vratolis, S., Eleftheriadis, K., Niemi, J. V., Portin, H., Wiedensohler, A., Weinhold, K., Merkel, M., Tuch, T., and Harrison, R. M.: The effect of meteorological conditions and atmospheric composition in the occurrence and development of new particle formation (NPF) events in Europe, Atmos. Chem. Phys., 21, 3345–3370, https://doi.org/10.5194/acp-21-3345-2021, 2021. 
Census of India: Provisional population totals: rural-urban distribution, Vol. 2, Issue 1 of Census of India, 2011, India, India: Office of the Registrar General & Census Commissioner, 2011. 
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Short summary
Characteristics of particle number size distributions and new particle formation in six locations in India were analyzed. New particle formation occurred frequently during the pre-monsoon (spring) season and it significantly modulates the shape of the particle number size distributions. The contribution of newly formed particles to cloud condensation nuclei concentrations was ~3 times higher in urban locations than in mountain background locations.
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