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  • Katlein, Christian (author)

Platelet Ice Under Arctic Pack Ice in Winter

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/302881
  • https://gup.ub.gu.se/publication/302881URI
  • https://doi.org/10.1029/2020GL088898DOI

Supplementary language notes

  • Language:English

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

Notes

  • The formation of platelet ice is well known to occur under Antarctic sea ice, where subice platelet layers form from supercooled ice shelf water. In the Arctic, however, platelet ice formation has not been extensively observed, and its formation and morphology currently remain enigmatic. Here, we present the first comprehensive, long-term in situ observations of a decimeter thick subice platelet layer under free-drifting pack ice of the Central Arctic in winter. Observations carried out with a remotely operated underwater vehicle (ROV) during the midwinter leg of the MOSAiC drift expedition provide clear evidence of the growth of platelet ice layers from supercooled water present in the ocean mixed layer. This platelet formation takes place under all ice types present during the surveys. Oceanographic data from autonomous observing platforms lead us to the conclusion that platelet ice formation is a widespread but yet overlooked feature of Arctic winter sea ice growth.

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

  • Mohrholz, Volker (author)
  • Sheikin, Igor (author)
  • Itkin, Polona (author)
  • Divine, Dmitry V. (author)
  • Stroeve, Julienne (author)
  • Jutila, Arttu (author)
  • Krampe, Daniela (author)
  • Shimanchuk, Egor (author)
  • Raphael, Ian (author)
  • Rabe, Benjamin (author)
  • Kuznetov, Ivan (author)
  • Mallet, Maria (author)
  • Liu, Hailong (author)
  • Hoppmann, Mario (author)
  • Fang, Ying Chih (author)
  • Dumitrascu, AdelaGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences (author)
  • Arndt, Stefanie (author)
  • Anhaus, Philipp (author)
  • Nicolaus, Marcel (author)
  • Matero, Ilkka (author)
  • Oggier, Marc (author)
  • Eicken, Hajo (author)
  • Haas, Christian (author)
  • Göteborgs universitetInstitutionen för marina vetenskaper (creator_code:org_t)

Related titles

  • In:Geophysical Research Letters47:160094-82761944-8007

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