Articles | Volume 22, issue 15
https://doi.org/10.5194/acp-22-10023-2022
https://doi.org/10.5194/acp-22-10023-2022
Research article
 | 
04 Aug 2022
Research article |  | 04 Aug 2022

Secondary aerosol formation in marine Arctic environments: a model measurement comparison at Ny-Ålesund

Carlton Xavier, Metin Baykara, Robin Wollesen de Jonge, Barbara Altstädter, Petri Clusius, Ville Vakkari, Roseline Thakur, Lisa Beck, Silvia Becagli, Mirko Severi, Rita Traversi, Radovan Krejci, Peter Tunved, Mauro Mazzola, Birgit Wehner, Mikko Sipilä, Markku Kulmala, Michael Boy, and Pontus Roldin

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Cited articles

AMAP: Snow, Water, Ice and Permafrost in the Arctic (SWIPA): Climate Change and the Cryosphere. Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway. xii + 538 pp., 2011. 
AMAP: AMAP, 2017. Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2017, Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway. xiv + 269 pp., https://www.amap.no/documents/doc/snow-water-ice-and-permafrost-in-the-arctic-swipa-2017/1610 (last access: 9 July 2021), 2017. 
AMAP: AMAP Arctic Climate Change Update 2021: Key Trends and Impacts, 16 pp., https://www.amap.no/documents/download/6759/inline (last access: 20 May 2022), 2021. 
Amore, A., Giardi, F., Becagli, S., Caiazzo, L., Mazzola, M., Severi, M., and Traversi, R.: Source apportionment of sulphate in the High Arctic by a 10 yr-long record from Gruvebadet Observatory (Ny-Ålesund, Svalbard Islands), Atmos. Environ., 270, 118890, https://doi.org/10.1016/j.atmosenv.2021.118890, 2022. 
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The focus of this work is to study and improve our understanding of processes involved in the formation and growth of new particles in a remote Arctic marine environment. We run the 1D model ADCHEM along air mass trajectories arriving at Ny-Ålesund in May 2018. The model finds that ion-mediated H2SO4–NH3 nucleation can explain the observed new particle formation at Ny-Ålesund. The growth of particles is driven via H2SO4 condensation and formation of methane sulfonic acid in the aqueous phase.
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