Atmospheric particles from organic vapours

Colin D. O'Dowd (), Pasi Aalto, Kaarle Hmeri, Markku Kulmala and Thorsten Hoffmann
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Colin D. O'Dowd: Division of Atmospheric Sciences, Department of Physical Sciences
Pasi Aalto: Division of Atmospheric Sciences, Department of Physical Sciences
Kaarle Hmeri: Finnish Institute of Occupational Health
Markku Kulmala: Division of Atmospheric Sciences, Department of Physical Sciences
Thorsten Hoffmann: Institute of Spectrochemistry and Applied Spectroscopy

Nature, 2002, vol. 416, issue 6880, 497-498

Abstract: 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.

Date: 2002
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DOI: 10.1038/416497a

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