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Ship-borne electromagnetic induction sounding of sea ice thickness in the Arctic during summer 2003

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Title: Ship-borne electromagnetic induction sounding of sea ice thickness in the Arctic during summer 2003
Authors: Shirasawa, Kunio Browse this author →KAKEN DB
Tateyama, Kazutaka Browse this author
Takatsuka, Toru Browse this author
Kawamura, Toshiyuki Browse this author
Uto, Shotaro Browse this author
Keywords: Arctic
sea ice thickness
electro-magnetic inductive device (EM)
Issue Date: Nov-2006
Publisher: National Institute of Polar Research
Journal Title: Polar meteorology and glaciology
Volume: 20
Start Page: 53
End Page: 61
Abstract: Measurements of ice thickness were carried out by a ship-borne electromagnetic induction instrument mounted on the R/V Xuelong during the Second Chinese National Arctic Research Expedition (CHINARE-2003) in summer 2003 in the Chukchi Sea. A 1-D multi-layer model, consisting of three layers of snow, ice and seawater, was used to calculate the total thickness of snow and sea ice. The time series of total thickness from 24 August to 7 September 2003 indicates that deformed and second-/multi-year ice floes appear frequently in very close pack ice farther from the ice edge, while thinner ice floes less than 1 m are frequently found in open pack ice. The probability density function of total thickness shows that a major peak appears at around 1.5 m thickness in very close pack ice, presumably corresponding to second-year or deformed ice. Also shown is a peak at around 0.3 m thickness, corresponding to typical level ice in open pack ice.
Type: article
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 白澤 邦男

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