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題 名 | A Survey of Studies on the South China Sea Upper Ocean Circulation=南海上層海洋環流研究述評 |
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作 者 | 方國洪; 方文東; 方越; 王凱; | 書刊名 | 臺灣海洋學刊 |
卷 期 | 37:1 1998.06[民87.06] |
頁 次 | 頁1-16 |
分類號 | 328.24 |
關鍵詞 | 南海; 環流; 上層海洋; South China sea; Circulation; Upper ocean; |
語 文 | 英文(English) |
中文摘要 | 本文回顧了自Dale(1951)和Wyrtki(1961)工作至今關於南海上層環流研究之進展 ,側重綜述環流基本格局的主要特徵。南海北部環流主要驅動力為季風和黑潮入侵,其次為 海面熱通量。主要環流分量有:通過呂宋海峽的黑潮入侵海流,黑潮南海分支,呂宋西北氣 旋向流圈,呂宋西北氣旋向渦旋,呂宋西北沿岸流,南海暖流和廣東沿岸流。南海南部環流 主要受季風驅動。在冬季,南海南部氣旋向流圈盤據著南南海之大部海域,其東南方可能存 在一個較弱的反氣旋向流圈。這兩個反向流圈共同邊界是一支較強的逆風海流,稱為納土納 離陸架流。在夏季,南海南部反氣旋向流圈盤據著南南海之大部海域,其北側,北緯11度左 右,是一支很強的向東離岸射流,稱作越南東南離岸流。南海中部的環流受季風及南海北部 和南部流系的相互作用所控制。這一海域環流比較複雜多變,其基本特徵尚不十分確定。 |
英文摘要 | Advances in understanding the upper ocean circulation of the South China Sea (SCS) since the works of Dale (1956) and Wyrtki (1961) are reviewed. The focus is on the major features of the circulation pattern. The circulation in the northern SCS is driven mainly by monsoon winds and Kuroshio intrusion, and secondly by surface heat flux. Major components include the Kuroshio intrusion through the Luzon. Strait, the SCS Branch of the Kuroshio, the Northwest Luzon Cyclonic Gyre, the Northwest Luzon Cyclonic Eddy, the Northwest Luzon Coastal Current, the SCS Warm Current and the Guangdong Coastal Current. The circulation in the southern SCS is driven mainly by monsoon winds. In winter, the SCS Southern Cyclonic Gyre occupies most of the southern SCS. A weaker anti-cyclonic gyre may exist southeast of the main gyre. Along the border of these two gyres a strong upwind current called the Natuna Off-Shelf Current flows northeastward. In summer, the SCS Southern Anti-Cyclonic Gyre occupies most of the southern SCS. Its northern edge is a very strong off-shore current jet called the Souheast Vietnam Off-Shore Current located at a latitude of about 11 N. The circulation in the central SCS is governed by monsoon winds and the interaction between the circulation systems in northern and southern SCS. The basic features of the circulation in the central SCS are not yet well understood, though some results based on dynamic calculation and numerical simulation have been presented. |
本系統中英文摘要資訊取自各篇刊載內容。