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Pollution events observed during CARIBIC flights in the upper troposphere between South China and the Philippines

Lai, S.C. and Baker, A.K. and Schuck, T. and van Velthoven, P. and Oram, D.E. and Zahn, A. and Hermann, M. and Weigelt, A. and Slemr, F. and Brenninkmeijer, C.A. and Ziereis, H. (2010) Pollution events observed during CARIBIC flights in the upper troposphere between South China and the Philippines. Atmospheric Chemistry and Physics, 10, pp. 1649-1660. Copernicus Publications.

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Official URL: http://www.atmos-chem-phys.net/10/1649/2010/

Abstract

A strong pollution episode in the upper troposphere between South China and the Philippines was observed during CARIBIC flights in April 2007. Five pollution events were observed, where enhancements in aerosol and trace gas concentrations including CO, CO2, CH4, nonmethane hydrocarbons (NMHCs) and halocarbons were observed along the flight tracks during four sequential flights. The importance of the contribution of biomass/biofuel burning was investigated using chemical tracers, emission factor analysis, back-trajectory analysis and satellite images. The Indochinese peninsula was identified as the probable source region of biomass/biofuel burning. However, enhancements in the urban/industrial tracer C2Cl4 during the events also indicate a substantial contribution from urban anthropogenic emissions. An estimation of the contribution of fossil fuel versus biomass/biofuel to the CO enhancement was made, indicating a biomass/biofuel burning contribution of �54 to �92% of the observed CO enhancements. Biomass/biofuel burning was found to be the most important source category during the sampling period.

Item URL in elib:https://elib.dlr.de/69796/
Document Type:Article
Title:Pollution events observed during CARIBIC flights in the upper troposphere between South China and the Philippines
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Lai, S.C.MPI Chemie, MainzUNSPECIFIEDUNSPECIFIED
Baker, A.K.MPI Chemie, MainzUNSPECIFIEDUNSPECIFIED
Schuck, T.MPI Chemie, MainzUNSPECIFIEDUNSPECIFIED
van Velthoven, P.KNMI, de Bilt, NLUNSPECIFIEDUNSPECIFIED
Oram, D.E.Univ. of East Anglia, Norwich, UKUNSPECIFIEDUNSPECIFIED
Zahn, A.IMK, KarlsruheUNSPECIFIEDUNSPECIFIED
Hermann, M.IfT, LeipzigUNSPECIFIEDUNSPECIFIED
Weigelt, A.IfT, LeipzigUNSPECIFIEDUNSPECIFIED
Slemr, F.MPI Chemie, MainzUNSPECIFIEDUNSPECIFIED
Brenninkmeijer, C.A.MPI Chemie, MainzUNSPECIFIEDUNSPECIFIED
Ziereis, H.DLRUNSPECIFIEDUNSPECIFIED
Date:2010
Journal or Publication Title:Atmospheric Chemistry and Physics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:10
Page Range:pp. 1649-1660
Publisher:Copernicus Publications
Status:Published
Keywords:Atmospheric aerosols, upper troposphere, lower stratosphere, CARIBIC
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Low-Emission Air Traffic (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Trace Species
Deposited By: Freund, Jana
Deposited On:11 May 2011 16:51
Last Modified:02 May 2019 14:04

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