Measurement of organic aerosol precursors over an oak forest

Cape, J. Neil; House, Emily; Nemitz, Eiko; Thomas, Rick; Phillips, Gavin; Heal, Mat

Cape, J. Neil ORCID: https://orcid.org/0000-0002-5538-588X; House, Emily; Nemitz, Eiko ORCID: https://orcid.org/0000-0002-1765-6298; Thomas, Rick; Phillips, Gavin; Heal, Mat. 2007 Measurement of organic aerosol precursors over an oak forest. In: Burrows, J., (ed.) Volatile organic compounds in the polluted atmosphere: The 3rd ACCENT Barnsdale Expert Meeting. Urbino, ACCENT Secretariat, 206-209.

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Abstract

Emission fluxes of isoprene, its oxidation products, and other oxygenated VOCs were measured using eddy covariance above a mixed oak forest in southern England during summer 2005. VOC concentrations were measured using proton-transfer reaction mass spectrometry. Fluxes of isoprene and its oxidation products (MVK and MACR) followed a diurnal pattern consistent with biogenic emission from the forest canopy. Fluxes of other oxygenated VOCs followed a more complex pattern, consistent with vehicle-related sources beyond the forest.

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