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  • Prytherch, JohnStockholms universitet,Meteorologiska institutionen (MISU),University of Leeds, UK (author)

Direct determination of the air-sea CO2 gas transfer velocity in Arctic sea ice regions

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2017
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-144720
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-144720URI
  • https://doi.org/10.1002/2017GL073593DOI
  • https://gup.ub.gu.se/publication/254712URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The Arctic Ocean is an important sink for atmospheric CO2. The impact of decreasing sea ice extent and expanding marginal ice zones on Arctic air-sea CO2 exchange depends on the rate of gas transfer in the presence of sea ice. Sea ice acts to limit air-sea gas exchange by reducing contact between air and water but is also hypothesized to enhance gas transfer rates across surrounding open-water surfaces through physical processes such as increased surface-ocean turbulence from ice-water shear and ice-edge form drag. Here we present the first direct determination of the CO2 air-sea gas transfer velocity in a wide range of Arctic sea ice conditions. We show that the gas transfer velocity increases near linearly with decreasing sea ice concentration. We also show that previous modeling approaches overestimate gas transfer rates in sea ice regions.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Brooks, Ian M. (author)
  • Crill, Patrick M.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)pcril (author)
  • Thornton, Brett F.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)brtho (author)
  • Salisbury, Dominic J. (author)
  • Tjernström, MichaelStockholms universitet,Meteorologiska institutionen (MISU)(Swepub:su)tjern (author)
  • Anderson, Leif,1951Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xanlei (author)
  • Geibel, Marc C.Stockholms universitet,Stockholms universitets Östersjöcentrum(Swepub:su)mgeib (author)
  • Humborg, ChristophStockholms universitet,Institutionen för miljövetenskap och analytisk kemi(Swepub:su)christop (author)
  • Stockholms universitetMeteorologiska institutionen (MISU) (creator_code:org_t)

Related titles

  • In:Geophysical Research Letters44:8, s. 3770-37780094-82761944-8007

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