Characterization of pollution events observed at Schauinsland, Germany, using CO and its stable isotopes

CO concentration and its isotopic composition ( 13C, 14C, 17O and 18O) are used to characterize air pollution events observed at Schauinland, Germany, in August 2000. After determination of the background signal, we could identify and characterize five pollution events. Particularly, 14CO and δ 18O...

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Bibliographic Details
Published in:Atmospheric environment (1994) 2002-06, Vol.36 (17), p.2831-2840
Main Authors: Gros, Valérie, Jöckel, P., Brenninkmeijer, C.A.M., Röckmann, T., Meinhardt, F., Graul, R.
Format: Article
Language:English
Subjects:
Biomass burning
Box model
Carbon monoxide
Continental interfaces, environment
Fossil fuel combustion
Isotopic composition
Ocean, Atmosphere
Sciences of the Universe
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Summary:CO concentration and its isotopic composition ( 13C, 14C, 17O and 18O) are used to characterize air pollution events observed at Schauinland, Germany, in August 2000. After determination of the background signal, we could identify and characterize five pollution events. Particularly, 14CO and δ 18O variations help to determine the nature of the pollution source (fossil fuel or biomass combustion) and its origin (local or regional/continental). By using a box model, further information about the age of the polluted air mass is derived. We particularly establish that one polluted air mass was about 10 days old and that this event was due to long-range transport of products emitted from forest fires in Canada.
ISSN:1352-2310
1873-2844
DOI:10.1016/S1352-2310(02)00144-9