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頁籤選單縮合
題 名 | Does Small-Scale Meander Travel Eastwards and Trigger Large-Scale Meander of the Kuroshio﹖=小彎流向東行進且觸發黑潮大蛇行嗎﹖ |
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作 者 | 永田豐; | 書刊名 | 臺灣海洋學刊 |
卷 期 | 37:2 1998.09[民87.09] |
頁 次 | 頁127-138 |
分類號 | 351.961 |
關鍵詞 | 黑潮; 直行路徑; 彎流; 小彎流; Kuroshio; Straight path; Meandering path; Small-scale meander; Cape Toi; |
語 文 | 英文(English) |
中文摘要 | 黑潮大蛇行形成過程通常是:在都井岬不斷產生小尺度的黑潮彎流, 這些小彎流向東傳遞,在通過鹽野岬(紀伊半島的尖端)後,有些彎流突然發展為 大蛇行。本文再檢驗此種說法。研究結果顯示只有在彎流的東緣向東擴展而增加 彎曲的寬度,而彎流的西緣幾乎不動。當彎流的東緣延伸至室戶岬時,一個小而 強勁的渦流,從狹長彎曲的東端分出。此渦流的快速成長期發生於紀伊水道外 海。值得注意的是,在四國外海從未發現小尺度的黑潮彎流。 |
英文摘要 | It has been found that the formation of the Large Meander of the Kuroshio occurs in the following way: small-scale meanders of the Kuroshio are generated near the tip of Cape Toi and propagate eastward, and some of these small-scale meanders suddenly develop into the Large Meander just after passing Cape Shionomisaki (the tip of the Kii Peninsula). This paper reexamines this scenario. It was found that the eastward propagation occurs only over the eastern margin of the meander, and its width increases as the position of the western margin does not change significantly. Just after the eastern margin passes by Cape Muroto, a small but strong small-scale eddy is cut off from the eastern portion of the elongated meander. At first, the rapid development of the eddy takes place just off the Kii Channel. It should be noted that any small-scale meander was never detected just off Shikoku. |
本系統中英文摘要資訊取自各篇刊載內容。