Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions
Show others and affiliations
Responsible organisation
2020 (English)In: Nature Communications, E-ISSN 2041-1723, Vol. 11, no 1Article in journal (Refereed) Published
Abstract [en]

In the central Arctic Ocean the formation of clouds and their properties are sensitive to the availability of cloud condensation nuclei (CCN). The vapors responsible for new particle formation (NPF), potentially leading to CCN, have remained unidentified since the first aerosol measurements in 1991. Here, we report that all the observed NPF events from the Arctic Ocean 2018 expedition are driven by iodic acid with little contribution from sulfuric acid. Iodic acid largely explains the growth of ultrafine particles (UFP) in most events. The iodic acid concentration increases significantly from summer towards autumn, possibly linked to the ocean freeze-up and a seasonal rise in ozone. This leads to a one order of magnitude higher UFP concentration in autumn. Measurements of cloud residuals suggest that particles smaller than 30 nm in diameter can activate as CCN. Therefore, iodine NPF has the potential to influence cloud properties over the Arctic Ocean.

Place, publisher, year, edition, pages
2020. Vol. 11, no 1
National Category
Natural Sciences
Research subject
SWEDARCTIC 2018, Arctic Ocean 2018
Identifiers
URN: urn:nbn:se:polar:diva-8486DOI: 10.1038/s41467-020-18551-0OAI: oai:DiVA.org:polar-8486DiVA, id: diva2:1511432
Available from: 2020-12-18 Created: 2020-12-18 Last updated: 2023-03-28

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full texthttps://doi.org/10.1038/s41467-020-18551-0
In the same journal
Nature Communications
Natural Sciences

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 71 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf