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  Rapid growth and high cloud-forming potential of anthropogenic sulfate aerosol in a thermal power plant plume during COVID lockdown in India

Gunthe, S. S., Singh, A., Raj, S. S., Panda, U., Kommula, S., Jose, C., et al. (2023). Rapid growth and high cloud-forming potential of anthropogenic sulfate aerosol in a thermal power plant plume during COVID lockdown in India. Research Square. doi:10.21203/rs.3.rs-2682940/v1.

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 Urheber:
Gunthe , Sachin S., Autor
Singh , Aishwarya, Autor
Raj , Subha S., Autor
Panda , Upasana, Autor
Kommula , Snehitha, Autor
Jose , Christi, Autor
Liu, Tianjia, Autor
Huang, Shan, Autor
Swain, Basudev, Autor
Pöhlker, Mira1, Autor           
Villegas, Ernesto, Autor
Ojha, Narendra, Autor
Vaishya, Aditya, Autor
Bigi, Alessandro, Autor
Krishna, R. Ravi, Autor
Zhu , Qiao, Autor
Shi , Liuhua, Autor
Allan , James, Autor
Martin , Scot T., Autor
McFiggans , Gordon, Autor
Andreae, Meinrat1, Autor           Pöschl, Ulrich1, Autor           Coe , Hugh, AutorBianchi , Federico, AutorSu, Hang1, Autor           Kanawade , Vijay, AutorLiu , Pengfei, Autor mehr..
Affiliations:
1Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826290              

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 Zusammenfassung: The COVID lockdown presented a unique opportunity to study the anthropogenic emissions from different sectors under relatively cleaner conditions in India. The complex interplays of power production, industry, and transport could be dissected due to the significantly reduced influence of the latter two emission sources. Here, based on measurements of cloud condensation nuclei (CCN) activity and chemical composition of atmospheric aerosols during the lockdown, we report an episodic event showing rapid growth and high hygroscopicity of new aerosol particles formed in the SO2 plume from a large coal-fired power plant. These sulfate-rich particles had high CCN activity and number concentration, indicating high cloud-forming potential. Examining the sensitivity of CCN properties under relatively clean conditions over India provides important new clues to delineate contributions of different anthropogenic emission sectors and further to understand their perturbations of past and future climate forcing.

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Sprache(n): eng - English
 Datum: 2023-03-23
 Publikationsstatus: Online veröffentlicht
 Seiten: 22
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.21203/rs.3.rs-2682940/v1
 Art des Abschluß: -

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Titel: Research Square
  Kurztitel : Res Sq
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: ISSN: 2693-5015
CoNE: https://pure.mpg.de/cone/journals/resource/2693-5015