Preprints
https://doi.org/10.5194/tc-2020-362
https://doi.org/10.5194/tc-2020-362
06 Jan 2021
 | 06 Jan 2021
Status: this preprint has been withdrawn by the authors.

Brief communication: Grease Ice in the Antarctic Marginal Ice Zone

Felix Paul, Tommy Mielke, Carina Nisters, Jörg Schröder, Tokoloho Rampai, Sebastian Skatulla, Riesna Audh, Ehlke Hepworth, Marcello Vichi, and Doru C. Lupascu

Abstract. Frazil ice, consisting of loose disc-shaped ice crystals, is the very first ice that forms in the annual cycle in the marginal ice zone (MIZ) of the Antarctic. A sufficient number of frazil ice crystals forms the surface grease ice layer taking a fundamental role in the freezing processes in the MIZ. As soon as the ocean waves are sufficiently damped, a closed ice cover can form. In this brief communication we investigate the rheological properties of frazil ice, which has a crucial influence on the growth of sea ice in the MIZ. Grease ice shows shear thinning flow behavior.

This preprint has been withdrawn.

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Felix Paul, Tommy Mielke, Carina Nisters, Jörg Schröder, Tokoloho Rampai, Sebastian Skatulla, Riesna Audh, Ehlke Hepworth, Marcello Vichi, and Doru C. Lupascu

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on tc-2020-362', Anonymous Referee #1, 11 Jan 2021
  • RC2: 'Comment on tc-2020-362', Anonymous Referee #2, 24 Mar 2021

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on tc-2020-362', Anonymous Referee #1, 11 Jan 2021
  • RC2: 'Comment on tc-2020-362', Anonymous Referee #2, 24 Mar 2021
Felix Paul, Tommy Mielke, Carina Nisters, Jörg Schröder, Tokoloho Rampai, Sebastian Skatulla, Riesna Audh, Ehlke Hepworth, Marcello Vichi, and Doru C. Lupascu
Felix Paul, Tommy Mielke, Carina Nisters, Jörg Schröder, Tokoloho Rampai, Sebastian Skatulla, Riesna Audh, Ehlke Hepworth, Marcello Vichi, and Doru C. Lupascu

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Latest update: 06 Dec 2024
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Short summary
Frazil ice, consisting of loose disc-shaped ice crystals, is the very first sea ice that forms in the annual cycle in the marginal ice zone (MIZ) of the Antarctic. A sufficient number of frazil ice crystals forms the surface grease ice layer taking a fundamental role in the freezing processes in the MIZ. As soon as the ocean waves are damped, a closed ice cover can form. The viscous properties of frazil ice, which have a crucial influence on the growth of sea ice in the MIZ are investigated.