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  3. 東北区水産研究所

東北海区近海における海況の長期変動について

https://fra.repo.nii.ac.jp/records/2007403
https://fra.repo.nii.ac.jp/records/2007403
837912db-3104-4228-88e1-0409c1b768af
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2024-06-10
タイトル
タイトル 東北海区近海における海況の長期変動について
言語 ja
言語
言語 jpn
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
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 村上, 眞裕美

× 村上, 眞裕美

WEKO 1833
e-Rad_Researcher 20371867

en Murakami, Mayumi

ja 村上, 眞裕美

ja-Kana ムラカミ, マユミ

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内容記述タイプ Abstract
内容記述 This paper describes the long-term variations in hydrographic conditions in the Tohoku Area. Temperature variations at 100 m depth (EOF1) measured from a representative area between 1964 to 1993 are analyzed with the northern limit of the Kuroshio Extension axis (NLKE) during the period 1954 to 1993 and the south limit of the First Oyashio Intrusion (SLO1) during the period 1964 to 1993. Variations in EOF1, NLKE and SLO1 have common cyclical periods of approximately three to four years. This period is similar to that of occurrences of El Niño events. Variations in EOF1 and SLO1 also correlated well with each other over longer periods. EOF1 was large (higher temperatures) before 1981 and small (lower temperatures) after 1981 with SLO1 being large (shifted northward) before 1980 and small ( shifted southward) after 1980. However, variations in the NLKE are not always correlated with that of the EOF1 or SLO1 over longer periods. NLKE had maximum values between 1955-1958 and 1978-1980, whereas it had minimum values between 1963-1965 and in 1984. NLKE varied in approximately twenty year cycles. Cross-correlation function analysis showed EOF1 and SLO1 to vary nearly at the same time, and that the temperature, EOF1, was high when SLO1 shifted northward and temperature low then SLO1 moved southward. It was also found that the NLKE varied several months later than EOF1 and that the NLKE and SLO1 were found to be scarcely correlated with each other.
言語 en
書誌情報 ja : 東北区水産研究所研究報告
en : Bulletin of Tohoku National Fisheries Researh Institute

巻 56, p. 47-56, ページ数 10, 発行日 1994-03
出版者
出版者 東北区水産研究所
言語 ja
出版者
出版者 Tohoku National Fisheries Researh Institute
言語 en
ISSN
収録物識別子タイプ PISSN
収録物識別子 0049-402X
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00167637
情報源
識別子タイプ Local
関連識別子 tnf_k_56_47
関連サイト
識別子タイプ URI
関連識別子 https://agriknowledge.affrc.go.jp/RN/2010510432
言語 ja
関連名称 日本農学文献記事索引(agriknowledge)
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