Altitudinal distribution of aldehydes and their contribution into organic atmospheric aerosol through photonucleation of biogenic compounds over forests in west Siberia

Anastasiya A. Maskaeva; Tatyana A. Maksimova; Sergei N. Dubtsov; Galina G. Dultseva

doi:10.1117/12.2075564

25 November 2014 Altitudinal distribution of aldehydes and their contribution into organic atmospheric aerosol through photonucleation of biogenic compounds over forests in west Siberia

Anastasiya A. Maskaeva, Tatyana A. Maksimova, Sergei N. Dubtsov, Galina G. Dultseva

Author Affiliations +

Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 929243 (2014) https://doi.org/10.1117/12.2075564
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation

Abstract

Chemical kinetic model describing the mechanism of the formation of aldehydes and the nuclei of the solid phase in the oxidation of biogenic isoprene was built on the basis of airborne measurements of aldehyde concentrations over the forests of West Siberia. It is demonstrated that the high formaldehyde concentrations at an altitude of 4 km and above are due to the photooxidation of hydrocarbons during the vertical transport from the surface. The contribution of aldehyde photonucleation into the formation of organic atmospheric aerosol is evaluated.

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Anastasiya A. Maskaeva, Tatyana A. Maksimova, Sergei N. Dubtsov, and Galina G. Dultseva "Altitudinal distribution of aldehydes and their contribution into organic atmospheric aerosol through photonucleation of biogenic compounds over forests in west Siberia", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 929243 (25 November 2014); https://doi.org/10.1117/12.2075564

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