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Characterization of non-methane hydrocarbons in Asian summer monsoon outflow observed by the CARIBIC aircraft

Baker, A. K.; Schuck, T. J.; Slemr, F.; Velthoven, P. van; Zahn, A. 1; Brenningkmeijer, C. A. M.
1 Institut für Meteorologie und Klimaforschung (IMK), Karlsruher Institut für Technologie (KIT)


Between April and December 2008 the CARIBIC commercial aircraft conducted monthly measurement flights between Frankfurt, Germany and Chennai, India. These flights covered the period of the Asian summer monsoon (June–September), during which enhancements in a number of atmospheric species were observed in the upper troposphere over southwestern Asia. In addition to in situ measurements of trace gases and aerosols, whole air samples were collected during the flights, and these were subsequently analyzed for a suite of trace gases that included a number of C2–C8 non-methane hydrocarbons. Non-methane hydrocarbons are relatively short-lived compounds and the large enhancements in their mixing ratios in the upper troposphere over southwestern Asia during the monsoon, sometimes more than double their spring and fall means, provides qualitative evidence for the influence of convectively uplifted boundary layer air. The particularly large enhancements of the combustion tracers benzene and ethyne, along with the similarity of their ratios with carbon monoxide and emission ratios from the burning of household biofuels, indicate a strong influence of biofuel burning to NMHC emissions in this region. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000039025
Veröffentlicht am 13.03.2018
DOI: 10.5194/acp-11-503-2011
Zitationen: 43
Web of Science
Zitationen: 43
Zitationen: 53
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung – Atmosphärische Spurenstoffe und Fernerkundung (IMK-ASF)
KIT-Zentrum Klima und Umwelt (ZKU)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2011
Sprache Englisch
Identifikator ISSN: 1680-7316, 1680-7324
KITopen-ID: 1000039025
HGF-Programm 12.04.03 (POF II, LK 01) Chem.Budgets u.Chemie-Klima-Wechselw.
Erschienen in Atmospheric chemistry and physics
Verlag European Geosciences Union (EGU)
Band 11
Heft 2
Seiten 503-518
Nachgewiesen in Dimensions
Web of Science
Globale Ziele für nachhaltige Entwicklung Ziel 7 – Bezahlbare und saubere EnergieZiel 13 – Maßnahmen zum Klimaschutz
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