Long-term sub-micrometer aerosol chemical composition in the boreal forest: inter- and intra-annual variability

Heikkinen, Liine; Äijälä, Mikko; Riva, Matthieu; Luoma, Krista; Dällenbach, Kaspar; Aalto, Juho; Aalto, Pasi; Aliaga, Diego; Aurela, Minna; Keskinen, Helmi; Makkonen, Ulla; Rantala, Pekka; Kulmala, Markku; Petäjä, Tuukka; Worsnop, Douglas; Ehn, Mikael

doi:https://doi.org/10.5194/acp-20-3151-2020

Articles | Volume 20, issue 5

https://doi.org/10.5194/acp-20-3151-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-3151-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 5

Research article

|

16 Mar 2020

Research article |

| 16 Mar 2020

Long-term sub-micrometer aerosol chemical composition in the boreal forest: inter- and intra-annual variability

Liine Heikkinen, Mikko Äijälä, Matthieu Riva, Krista Luoma, Kaspar Dällenbach, Juho Aalto, Pasi Aalto, Diego Aliaga, Minna Aurela, Helmi Keskinen, Ulla Makkonen, Pekka Rantala, Markku Kulmala, Tuukka Petäjä, Douglas Worsnop, and Mikael Ehn

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Final revised paper (published on 16 Mar 2020)
Preprint (discussion started on 08 Nov 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review report on Heikinnen et al.', Anonymous Referee #3, 06 Dec 2019
RC2: 'Review comments', Anonymous Referee #1, 15 Dec 2019
AC1: 'acp-2019-849: Author response', Liine Heikkinen, 21 Jan 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Liine Heikkinen on behalf of the Authors (21 Jan 2020) Author's response Manuscript

ED: Publish subject to technical corrections (10 Feb 2020) by Maria Kanakidou

Short summary

Atmospheric aerosols are solid or liquid particles suspended in the air. They are known as a health risk, but they also influence the Earth's climate. The composition of aerosols becomes important when predicting their effect on climate. We show both seasonal and year-to-year variability of aerosol chemical composition in the boreal forest of Finland. We observed a consistent bimodal seasonal trend: a biogenic summertime maximum and an anthropogenic wintertime maximum in the mass concentration.