Articles | Volume 17, issue 14
Atmos. Chem. Phys., 17, 8939–8958, 2017
https://doi.org/10.5194/acp-17-8939-2017
Atmos. Chem. Phys., 17, 8939–8958, 2017
https://doi.org/10.5194/acp-17-8939-2017

Research article 25 Jul 2017

Research article | 25 Jul 2017

Speciation of organic aerosols in the Saharan Air Layer and in the free troposphere westerlies

M. Isabel García et al.

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Latest update: 23 Sep 2021
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Short summary
Speciation of organic aerosol was performed in the westerlies and in the Saharan Air Layer, where biogenic secondary organic aerosol (oxidation of isoprene and alpha-pinene) and primary combustion compounds (hopanes and PAHs) were observed. In the Saharan Air Layer, species (saccharides) linked to soil emission – plant tissues and microorganisms – in the inner Sahara were also identified, whereas in the westerlies biomass burning compounds (e.g. levoglucosan) from North America also occurred.
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