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Titel Relationship between volatility, hygroscopicity, and CCN activity of winter aerosols: Kanpur, Indo-Gangetic Basin
VerfasserIn Deepika Bhattu, Sachchida Tripathi
Konferenz EGU General Assembly 2016
Medientyp Artikel
Sprache en
Digitales Dokument PDF
Erschienen In: GRA - Volume 18 (2016)
Datensatznummer 250134678
Publikation (Nr.) Volltext-Dokument vorhandenEGU/EGU2016-15424.pdf
 
Zusammenfassung
Aerosol volatility is one of the key property in deciding their lifetime and fate. The volatile species have the potential to affect SOA estimation, so their characterization and establishment of relationship with mass loading, chemical composition, hygroscopicity and CCN activity is required. A 42 days long winter campaign was conducted in an anthropogenically polluted location (Kanpur, India) where CCN activity of both ambient and thermally treated aerosols was characterized. Enhanced partitioning of semi-volatile molecules into particle phase at higher loading conditions was observed. Unexpectedly, the most oxidized organic factor was observed both least volatile and hygroscopic in nature. Lower