Articles | Volume 15, issue 23
https://doi.org/10.5194/acp-15-13413-2015
https://doi.org/10.5194/acp-15-13413-2015
Research article
 | 
07 Dec 2015
Research article |  | 07 Dec 2015

Sources of long-lived atmospheric VOCs at the rural boreal forest site, SMEAR II

J. Patokoski, T. M. Ruuskanen, M. K. Kajos, R. Taipale, P. Rantala, J. Aalto, T. Ryyppö, T. Nieminen, H. Hakola, and J. Rinne

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Ambient measurements of aromatic and oxidized VOCs by PTR-MS and GC-MS: intercomparison between four instruments in a boreal forest in Finland
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Atmos. Meas. Tech., 8, 4453–4473, https://doi.org/10.5194/amt-8-4453-2015,https://doi.org/10.5194/amt-8-4453-2015, 2015

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In this study, main source areas for long-lived VOCs at the boreal forest in SMEAR II were determined. Air masses arriving from eastern and western directions were more polluted than those arriving from the northern direction. The biogenic and anthropogenic influences of three different source profiles were determined. The elevated trace gas concentrations from forest fire episodes were observed clearly in the trajectory analysis.
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