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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Ozone production due to emissions from vegetation burning
Journal of Atmospheric Chemistry, Volume 22, No. 1-2, Year 1995
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Description
Ozone has been observed in elevated concentrations by satellites over areas previously believed to be 'background'. There is meteorological evidence, that these ozone 'plumes' found over the Atlantic Ocean originate from vegetation fires on the African continent. In a previous study (DECAFE-88), we have investigated ozone and assumed precursor compounds over African tropical forest regions. Our measurements revealed large photosmog layers at altitudes from 1.5 to 4 km. Both chemical and meteorological evidence point to savanna fires up to several thousand km upwind as sources. Here we describe ozone mixing ratios observed over western Africa and compare ozone production ratios from different field measurement campaigns related to vegetation burning. We find that air masses containing photosmog 'ingredients' require several days to develop their oxidation potential, similar to what is known from air polluted by emissions from fossil fuel burning. Finally, we estimate the global ozone production due to vegetation fires and conclude that this source is comparable in strength to the stratospheric input. © 1995 Kluwer Academic Publishers.
Authors & Co-Authors
Helas, Günther
Germany, Mainz
Max Planck Institute for Chemistry
Lobert, Jürgen M.
Germany, Mainz
Max Planck Institute for Chemistry
Scharffe, Dieter H.
Germany, Mainz
Max Planck Institute for Chemistry
Schäfer, Luise
Germany, Mainz
Max Planck Institute for Chemistry
Goldammer, Johann Georg
Germany, Mainz
Max Planck Institute for Chemistry
Baudet, Jean G.R.
Cote D'ivoire, Abidjan
Universite D'abobo-adjame
Ahoua, Brou
Cote D'ivoire
Inset/genie Chimique
Ajavon, Ayité Lô
Germany, Mainz
Max Planck Institute for Chemistry
Lacaux, Jean Pierre
France, Lannemezan
Centre de Recherche Atmosphérique de Cnrs
Delmas, Robert J.
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Andreae, Meinrat O.
Germany, Mainz
Max Planck Institute for Chemistry
Statistics
Citations: 23
Authors: 11
Affiliations: 5
Identifiers
Doi:
10.1007/BF00708187
ISSN:
01677764
e-ISSN:
15730662
Research Areas
Environmental