2026-03-05T11:12:01Z https://fra.repo.nii.ac.jp/oai

oai:fra.repo.nii.ac.jp:02012122 2026-02-19T02:32:21Z 1:6:1724312738447

Ekman傾斜流の発達過程と地衡流近似の課題 Transient Ekman slope currents and significance of the geostrophic approximation Yasuda, Hidekazu 安田, 秀一 ヤスダ, ヒデカズ Yasuda 安田 ヤスダ Hidekazu 秀一 ヒデカズ open access slope current; Earth rotation effect; time-dependence; inertia current; geostrophic approximation Although the slope current under the Earth rotation effect has been well known at the steady state, the transient developing process of the slope current has not yet reported fully, and thus even the geostrophic current or wind is usually applied at the steady state only. This study has solved the time-dependent slope currents analytically and clarified the developing process from the initial stage. As shown in the previous paper 1) in which the wind driven current has been reported changeable with the inertia period, it is revealed that the slope current is also grown with the inertia-periodical variation and that such variation is kept for a long duration. It might be a warning to the idea of the usual geostrophic current and wind with no consideration of the transient process. 編集：水産大学校 水産研究・教育機構 Japan Fisheries Research & Education Agency 2018-03-31 jpn departmental bulletin paper https://fra.repo.nii.ac.jp/records/2012122 fishu_k_66_173 https://agriknowledge.affrc.go.jp/RN/2010922418 agriknowledge AN00124678 0370-9361 水産大学校研究報告 Journal of National Fisheries University 66 3 10 173 182 https://fra.repo.nii.ac.jp/record/2012122/files/fishu_k_66_173.pdf application/pdf 1.8 MB 2024-10-11