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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.
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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.
| Document Type: | Article | ||||||||||||||||||||||||
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| Title: | Pollution events observed during CARIBIC flights in the upper troposphere between South China and the Philippines | ||||||||||||||||||||||||
| Authors: |
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| Date: | 2010 | ||||||||||||||||||||||||
| Journal or Publication Title: | Atmospheric Chemistry and Physics | ||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||
| In Open Access: | Yes | ||||||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||||||
| Volume: | 10 | ||||||||||||||||||||||||
| Page Range: | pp. 1649-1660 | ||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||
| 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: | Jana Freund | ||||||||||||||||||||||||
| Deposited On: | 11 May 2011 16:51 | ||||||||||||||||||||||||
| Last Modified: | 13 Feb 2013 15:13 |
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