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北極振動と南極振動の「メタ・テレコネクション」~両半球をつなぐ航路は何か~
http://hdl.handle.net/10076/00019542
http://hdl.handle.net/10076/00019542f15dc0ec-7bb7-4bd6-bd50-cee0720e769e
名前 / ファイル | ライセンス | アクション |
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2020RP0082 (250.5 kB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2020-11-16 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 北極振動と南極振動の「メタ・テレコネクション」~両半球をつなぐ航路は何か~ | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Interhemispheric Synchronization Between the AO and the AAO | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 成層圏 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 極渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 突然昇温 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 対流圏 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 子午面循環 | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
著者 |
立花, 義裕
× 立花, 義裕× 本田, 明治× 中村, 哲 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 北極振動は北半球で最も卓越する大気変動で,北半球の異常気象に影響する.一方,南半球には南極振動があり,オゾンホールとの強い関連から地球環境に極めて重要である.両極は地理学的に最も遠くに位置することから,両振動の共変の存在を調べた研究は無かった. 本研究はこの2つの振動が同期して変動する仮説「メタ・テレコネクション」を提唱し,大気再解析・大循環モデルを用いた解析を行った.その結果,2月と10月は両振動が有意に正相関でシンクロしていたことを示した.またシンクロの原因として,片方の極で発生する成層圏突然昇温に伴う成層圏子午面循環が,熱帯の対流活動に影響し,反対の極へ遠隔的に影響する可能性を指摘した. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The Arctic Oscillation (AO) and the Antarctic Oscillation (AAO) are dominant atmospheric variability patterns in the Northern and Southern Hemispheres, respectively. Each is a pressure seesaw between the pole and the midlatitudes that remotely affects weather, climate, and environment around the world. We showed interhemispheric in-phase synchronization between the AO and AAO in October and February, and we also found decadal-scale variation of the synchronicity. Because the vertical structure of the AO-AAO synchronization extends from the troposphere to the stratosphere, stratospheric variations may be responsible for the synchronization. This finding of AO-AAO synchronization points the way to a better understanding of past, present, and future pole-to-pole climatic relationships and improvements in long-term weather forecasts. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 2016年度~2018年度科学研究費補助金(挑戦的萌芽研究)研究成果報告書 | |||||
書誌情報 |
発行日 2019-06-19 |
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フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 三重大学 | |||||
出版者(ヨミ) | ||||||
ミエダイガク | ||||||
科研費番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 16K13880 | |||||
資源タイプ(三重大) | ||||||
Kaken / 科研費報告書 |