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INTERANNUAL FLUCTUATIONS OF SEA ICE EXTENT IN THE ANTARCTIC AND ASSOCIATED ATMOSPHERIC CONDITIONS
https://doi.org/10.15094/00003746
https://doi.org/10.15094/000037466bf7801e-c0d3-40fd-8182-2186a6c56396
名前 / ファイル | ライセンス | アクション |
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KJ00000767900 (1.2 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1992-12-01 | |||||
タイトル | ||||||
タイトル | INTERANNUAL FLUCTUATIONS OF SEA ICE EXTENT IN THE ANTARCTIC AND ASSOCIATED ATMOSPHERIC CONDITIONS | |||||
言語 | ||||||
言語 | eng | |||||
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 | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00003746 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | INTERANNUAL FLUCTUATIONS OF SEA ICE EXTENT IN THE ANTARCTIC AND ASSOCIATED ATMOSPHERIC CONDITIONS | |||||
著者名(英) |
ENOMOTO, Hiroyuki
× ENOMOTO, Hiroyuki× TIAN, S.-F.× YAMANOUCHI, Takashi |
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著者所属(英) | ||||||
en | ||||||
Kitami Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Environmental Research Center, University of Tsukuba | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Interannual fluctuations of sea ice extent might occur reflecting the interactions among the ice sheet, sea ice and polar atmosphere. This paper focuses on possible atmospheric driving forces for sea ice fluctuations. It is seen from synoptic correlation maps that, in the case of larger sea ice extent, the circumpolar trough is located in the lower latitudes in October. As significant relationship is found also between temperature rise over Antarctica and increase of sea ice area. The implication is that the mean wind field changes due to northward shift of the trough. Thus an outburst of cold air from the continent seems to strengthen the advection of ice pack to lower latitudes and freezing in specific sectors. The temperature rise observed in East Antarctica is due to the advection of warm air. The variations of the circumpolar trough are important for changes in sea ice extent. Long-term fluctuations of the pressure and wind fields in the Southern Hemisphere are described in this study. The fluctuations of circumpolar trough are observed to reflect large-scale atmospheric fluctuations. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 6, p. 132-142, 発行日 1992-12 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |