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Observation of on-ice wind waves under grease ice in the western Arctic Ocean
https://nipr.repo.nii.ac.jp/records/16398
https://nipr.repo.nii.ac.jp/records/163980635b0d5-951b-40f5-8c01-8c730f0b1c57
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-02-26 | |||||
タイトル | ||||||
タイトル | Observation of on-ice wind waves under grease ice in the western Arctic Ocean | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Observation of on-ice wind waves under grease ice in the western Arctic Ocean | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Wave ice interaction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Grease ice | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | On-ice wind | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | SAR | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Arctic | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Kodaira, Tsubasa
× Kodaira, Tsubasa× Waseda, Takuji× Nose, Takehiko× Sato, Kazutoshi× Inoue, Jun× Voermans, Joey× Babanin, Alexander |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The significant reduction of the sea ice extent in the western Arctic has been observed by the sustained satellite observations since 1979. The opening ocean is now allowing waves to evolve and propagate under the presence of the Arctic sea ice. A better understanding of the wave-ice interaction is necessary for the safe shipping over the sea ice covered Arctic Ocean and to improve the Arctic climate projection. During R/V Mirai Arctic Expedition in October 2019, two drifting wave-buoys were concurrently deployed in the open ocean and the Arctic marginal ice zone (MIZ) with grease ice and pancake ice. The wave and sea ice conditions at the time of the deployments were documented in detail. Based on the wave buoy data and the sea ice edge estimated by a Synthetic Aperture Radar (SAR) image, attenuation rates of waves under the grease ice are estimated. Good agreement in the frequency dependency of the wave attenuation rate is presented between the observational results and the theoretical prediction from the viscous model of Weber (1987). The agreement implies that the observed surface waves were attenuated by the viscous damping beneath grease ice. It is also found that the observed attenuation rates were generally lower than the previous studies. Several possible factors are discussed, such as the sea ice type, wind energy input, and uncertainties in the estimation of the attenuation rate. | |||||
書誌情報 |
en : Polar Science p. 100567, 発行日 2021-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polar.2020.100567 | |||||
関連名称 | 10.1016/j.polar.2020.100567 |