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Atmospheric particles from organic vapours

Author

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  • Colin D. O'Dowd

    (Division of Atmospheric Sciences, Department of Physical Sciences
    University of Helsinki
    National University of Ireland)

  • Pasi Aalto

    (Division of Atmospheric Sciences, Department of Physical Sciences
    University of Helsinki)

  • Kaarle Hmeri

    (Finnish Institute of Occupational Health)

  • Markku Kulmala

    (Division of Atmospheric Sciences, Department of Physical Sciences
    University of Helsinki)

  • Thorsten Hoffmann

    (Institute of Spectrochemistry and Applied Spectroscopy)

Abstract

Aerosol particles produced over forested areas may affect climate by acting as nuclei for cloud condensation, but their composition (and hence the chemical species that drive their production) remains an open question. Here we show, to our knowledge for the first time, that these newly formed particles (3–5 nm in diameter) are composed primarily of organic species, such as cis-pinonic acid and pinic acid, produced by oxidation of terpenes in organic vapours released from the canopy1,2,3,4.

Suggested Citation

  • Colin D. O'Dowd & Pasi Aalto & Kaarle Hmeri & Markku Kulmala & Thorsten Hoffmann, 2002. "Atmospheric particles from organic vapours," Nature, Nature, vol. 416(6880), pages 497-498, April.
    • Handle: RePEc:nat:nature:v:416:y:2002:i:6880:d:10.1038_416497a
    DOI: 10.1038/416497a
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