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

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

doi:10.5194/acp-15-13413-2015

Articles | Volume 15, issue 23

https://doi.org/10.5194/acp-15-13413-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Interactions between climate change and the Cryosphere: SVALI,...

https://doi.org/10.5194/acp-15-13413-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 23

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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Mar 2016	27	11	0	38
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Jun 2016	9	4	1	14
Jul 2016	8	6	3	17
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Aug 2015	15	46	4	65
Sep 2015	3	40	1	44
Oct 2015	10	46	1	57
Nov 2015	22	46	5	73
Dec 2015	149	151	14	314
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Apr 2016	15	12	1	28
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Short summary

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.