Published in
Royal Society of Chemistry, Environmental Science: Atmospheres, 6(1), p. 449-472, 2021
DOI: 10.1039/d1ea00020a
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A modelling study of OH, NO<sub>3</sub> and H<sub>2</sub>SO<sub>4</sub> in 2007–2018 at SMEAR II, Finland: analysis of long-term trends
Journal article published in 2021 by
Dean Chen 
,
Carlton Xavier,
Petri Clusius,
Tuomo Nieminen ,
Pontus Roldin,
Ximeng Qi,
Lukas Pichelstorfer,
Markku Kulmala ,
Pekka Rantala,
Juho Aalto,
Nina Sarnela,
Pasi Kolari,
Petri Keronen,
Matti P. Rissanen,
Ditte Taipale
and other authors.
,
Carlton Xavier,
Petri Clusius,
Tuomo Nieminen ,
Pontus Roldin,
Ximeng Qi,
Lukas Pichelstorfer,
Markku Kulmala ,
Pekka Rantala,
Juho Aalto,
Nina Sarnela,
Pasi Kolari,
Petri Keronen,
Matti P. Rissanen,
Ditte Taipale
and other authors.
This paper is made freely available by the publisher.
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Abstract
We applied the 1D model SOSAA to simulate the atmospheric concentrations of OH, NO3, and H2SO4 from 2007 to 2018 at SMEAR II. The results showed that daily OH increased by 2.39% per year and NO3 and H2SO4 decreased by 3.41% per year and 2.78% per year, respectively.