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頁籤選單縮合
題 名 | Bifurcation Current Found along the Coast of the Kii Peninsula and Position of the Kuroshio Axis=紀伊半島沿岸的分叉流與黑潮軸心的位置 |
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作 者 | 竹內淳一; 永田豐; | 書刊名 | 臺灣海洋學刊 |
卷 期 | 37:2 1998.09[民87.09] |
頁 次 | 頁113-125 |
分類號 | 351.961 |
關鍵詞 | 黑潮; 大蛇行; 分叉; 紀伊半島; 鹽野岬; Kuroshio; Large meander; Bifurcation; Kii Peninsula; Cape Shionomisaki; |
語 文 | 英文(English) |
中文摘要 | 紀伊半島西南岸常發現分叉流。在1988~1996期間,由和歌山縣水產 試驗場的剖流儀資料分析得知,分叉流的發生率約為70%。沿著幾個平行海岸的 100m等深線所推算出的海流輻散值顯示,其平均值通常為正,當分叉流發生時, 正值特大。1990年當黑潮蛇行時,其輻散值是較小的負值。分叉流發生的時機 與黑潮軸心位置相關,當黑潮貼岸直行時,常常觀測到分叉流。本文也使用了三 重大學Seisui-maru研究船的資料,分析分叉流的時序變化及流場的空間分佈。 |
英文摘要 | A bifurcation current is often observed along the southwest coast of the Kii Peninsula. The ADCP data taken in the period from 1988 to 1996 by the Wakayama Prefectural Fisheries Experimental Station were analyzed. The occurrence frequency of the bifurcation current is about 70% in the analyzed period. Current divergence along the line parallel to the coast, which roughly corresponds to the 100 m depth contour, was calculated. The divergence value averaged over the line is generally positive, and it is especially high when the bifurcation current occurs. Its value was small and negative in 1990 when the Kuroshio took a meandering path. The occurrence of the bifurcation current is shown to have a correlation with the position of the Kuroshio axis, and it is frequently observed when the Kuroshio is in a straight path and flows near the coast. The spatial current field and temporal variations of the bifurcation current were also analyzed using the data taken on board of the R/V Seisui-maru of Mie University. |
本系統中英文摘要資訊取自各篇刊載內容。