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Constraining global transport of perfluoroalkyl acids on sea spray aerosol using field measurements
Stockholm Univ, Sweden.
Linköping University, Department of Thematic Studies, Tema Environmental Change. Linköping University, Faculty of Arts and Sciences.ORCID iD: 0000-0002-6194-1491
Stockholm Univ, Sweden; Bolin Ctr Climate Res, Sweden.
Stockholm Univ, Sweden.
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2024 (English)In: Science Advances, E-ISSN 2375-2548, Vol. 10, no 14, article id eadl1026Article in journal (Refereed) Published
Abstract [en]

Perfluoroalkyl acids (PFAAs) are highly persistent anthropogenic pollutants that have been detected in the global oceans. Our previous laboratory studies demonstrated that PFAAs in seawater are remobilized to the air in sea spray aerosols (SSAs). Here, we conducted field experiments along a north-south transect of the Atlantic Ocean to study the enrichment of PFAAs in SSA. We show that in some cases PFAAs were enriched >100,000 times in the SSA relative to seawater concentrations. On the basis of the results of the field experiments, we estimate that the secondary emission of certain PFAAs from the global oceans via SSA emission is comparable to or greater than estimates for the other known global sources of PFAAs to the atmosphere from manufacturing emissions and precursor degradation.

Place, publisher, year, edition, pages
AMER ASSOC ADVANCEMENT SCIENCE , 2024. Vol. 10, no 14, article id eadl1026
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:liu:diva-203104DOI: 10.1126/sciadv.adl1026ISI: 001198102900006PubMedID: 38579007OAI: oai:DiVA.org:liu-203104DiVA, id: diva2:1855198
Note

Funding Agencies|FORMAS, Swedish government research council for sustainable development [2016- 00644, 2019- 01657]; Swedish Research council, vetenskapsradet (vR) [2016- 04131, 2023- 03842]; European commission [821205, 867599]; Atlantic Meridional transect - UK natural environment Research council [NE/R015953/1]

Available from: 2024-04-30 Created: 2024-04-30 Last updated: 2024-04-30

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  • apa
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