Item type |
学術雑誌論文 / Journal Article(1) |
公開日 |
2022-05-20 |
タイトル |
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タイトル |
Association between Antarctic Sea ice, Pacific SST and the Indian summer monsoon: An observational study |
タイトル |
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言語 |
en |
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タイトル |
Association between Antarctic Sea ice, Pacific SST and the Indian summer monsoon: An observational study |
言語 |
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言語 |
eng |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Antarctic sea ice |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
WPO and BAS sectors |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Pacific SST |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
ISMR |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
El Niño Modoki |
資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
アクセス権 |
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アクセス権 |
metadata only access |
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アクセス権URI |
http://purl.org/coar/access_right/c_14cb |
著者 |
Prabhu, Amita
Mandke, Sujata K.
Kripalani, R.H.
Pandithurai, G.
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抄録 |
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内容記述タイプ |
Abstract |
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内容記述 |
In this paper, results of diagnostic analysis for the period 1983–2015, demonstrate a robust relationship between Indian Summer Monsoon Rainfall (ISMR) and sea ice area (SIA) over the two sectors of Antarctica namely, Western Pacific Ocean (WPO) and Bellingshausen and Amundsen Seas (BAS). A significant direct (inverse) relationship is observed between ISMR and SIA over the WPO (BAS) sector. Further, plausible physical mechanism governing this relationship is proposed. El Niño Modoki exhibit direct (inverse) relation with SIA over BAS (WPO) sector during summer monsoon season, which has prompted investigation of SIA-El Niño Modoki-ISMR connection. The linkage between southern polar sea ice and the Indian summer monsoon has been demonstrated through the Pacific Ocean, wherein above normal SIA over the BAS (WPO) sector is associated with concurrent warm equatorial central (western) Pacific Sea Surface Temperature (SST) anomalies. Associated meridional circulations supplemented by above normal BAS (WPO) SIA extremes is accompanied by an ascending motion over the equatorial central (western) Pacific. In turn, through large-scale zonal circulation, ascending branch of circulation over the central (western) Pacific Ocean contemporaneously impacts ISMR adversely (favourably). Large-scale atmospheric circulation modulated by equatorial Pacific SST signature is suggested as a possible link between Antarctic sea ice and ISMR. |
書誌情報 |
en : Polar Science
巻 30,
p. 100746,
発行日 2021-12
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ISSN |
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収録物識別子タイプ |
ISSN |
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収録物識別子 |
18739652 |
DOI |
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識別子タイプ |
DOI |
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関連識別子 |
https://doi.org/10.1016/j.polar.2021.100746 |
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関連名称 |
10.1016/j.polar.2021.100746 |