Constructing a data-driven receptor model for organic and inorganic aerosol – a synthesis analysis of eight mass spectrometric data sets from a boreal forest site

Äijälä, Mikko; Daellenbach, Kaspar R.; Canonaco, Francesco; Heikkinen, Liine; Junninen, Heikki; Petäjä, Tuukka; Kulmala, Markku; Prévôt, André S. H.; Ehn, Mikael

doi:https://doi.org/10.5194/acp-19-3645-2019

Articles | Volume 19, issue 6

https://doi.org/10.5194/acp-19-3645-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-3645-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 6

Research article

|

21 Mar 2019

Research article |

| 21 Mar 2019

Constructing a data-driven receptor model for organic and inorganic aerosol – a synthesis analysis of eight mass spectrometric data sets from a boreal forest site

Mikko Äijälä, Kaspar R. Daellenbach, Francesco Canonaco, Liine Heikkinen, Heikki Junninen, Tuukka Petäjä, Markku Kulmala, André S. H. Prévôt, and Mikael Ehn

Supplement

https://doi.org/10.5194/acp-19-3645-2019-supplement

Data sets

Aerosol chemical composition results for SMEAR II 2008-2011 from r-CMB model results M. Äijälä, K. R. Daellenbach, F. Canonaco, L. Heikkinen, H. Junninen, T. Petäjä, M. Kulmala, A. S. H. Prévôt, and M. Ehn https://etsin.avointiede.fi/dataset/urn-nbn-fi-csc-kata20190319160233052956

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Short summary

Aerosol mass spectrometry produces large amounts of complex data, the analysis of which necessitates chemometrics – the application of advanced statistical and mathematical tools to chemical data. Here, we perform a data-driven analysis of multiple aerosol mass spectrometric data sets, to show that the traditional separation of organics and inorganics is not necessary. The resulting 7-component aerosol speciation explains 83 % to 96 % of observed variability at our boreal forest experiment site.