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北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University >
第70巻 第1号 >

襟裳沖陸棚斜面域から日高舟状海盆へ侵入する親潮順圧流の数値モデル実験と海洋観測

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/bull.fish.70.1.1

Title: 襟裳沖陸棚斜面域から日高舟状海盆へ侵入する親潮順圧流の数値モデル実験と海洋観測
Other Titles: Model experiments and observations of Oyashio barotropic flow intruding to Hidaka Trough via steep shelf slope area off Cape Erimo
Authors: 三宅, 誠音1 Browse this author
磯田, 豊2 Browse this author →KAKEN DB
今井, 圭理3 Browse this author →KAKEN DB
小熊, 健治4 Browse this author
澤田, 光希5 Browse this author
Authors(alt): Miyake, Masato1
Isoda, Yutaka2
Imai, Keiri3
Oguma, Kenji4
Sawada, Kouki5
Keywords: Oyashio
Cape Erimo
Steep shelf slope
Hydrographic data
Issue Date: 24-Aug-2020
Publisher: 北海道大学大学院水産科学研究院
Journal Title: 北海道大学水産科学研究彙報
Journal Title(alt): Bulletin of Fisheries Sciences, Hokkaido University
Volume: 70
Issue: 1
Start Page: 1
End Page: 11
Abstract: The shelf slope off Cape Erimo is very steep, and its slope width (L~30 km) is smaller than the internal radius deformation (λi~50 km). A simple model is used to investigate the dynamic response of Oyashio barotropic flow passing through this local steep slope area. Model results suggest that near-bottom Oyashio water cannot intrude from shelf area off Cape Erimo to Hidaka Trough, because inverse flow accompanied by the bottom trapped shelf wave is generated over the steep slope under the physical condition of L <λi. To confirm the existence of such inverse flow, hydrographic data at upstream and downstream both sides of shelf area off Cape Erimo were examined.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/79112
Appears in Collections:北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University > 第70巻 第1号

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