研究生: |
陳柏宇 Chen Po-Yu |
---|---|
論文名稱: |
蘇祿海表層環流之數值模式研究 Numerical studies on the surface circulation of the Sulu Sea |
指導教授: |
吳朝榮
Wu, Chau-Ron |
學位類別: |
碩士 Master |
系所名稱: |
地球科學系 Department of Earth Sciences |
論文出版年: | 2010 |
畢業學年度: | 98 |
語文別: | 中文 |
論文頁數: | 60 |
中文關鍵詞: | 蘇祿海 、表層環流 、數值模式 、民多羅海峽 、巴拉巴克海峽 、錫布圖通道 |
英文關鍵詞: | Sulu Sea, surface circulation, numerical model, Mindoro Strait, Balabac Strait, Sibutu Passage |
論文種類: | 學術論文 |
相關次數: | 點閱:129 下載:3 |
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蘇祿海 (Sulu Sea) 位於117°E~123°E、5°N~12.5°N,為一個東北–西南走向的半封閉海盆,經由民多羅海峽及巴拉巴克海峽與南海交換水體,藉由錫布圖通道通往西里伯斯海,同時也是南海貫穿流(South China Sea Throughflow, SCSTF) 通過的區域,進出蘇祿海的水體,對於南海、西里伯斯海與西太平洋環流的水量平衡有相當程度的影響,是西太平洋區域上很重要的邊緣海。
本研究利用海洋數值模式配合衛星觀測資料,來探討蘇祿海的表層環流型態與其季節變化。透過模式模擬的結果顯示,蘇祿海的表層環流型態主要受到蘇祿海貫穿流 (Sulu Sea Throughflow) 的影響,有明顯的季節性變化,在春季時流向向北,而夏秋冬三季則是流向向南,同時也受到科氏力的作用,使得海流主軸進到海盆後偏右轉向。此外,風場也是改變環流型態的因素之一,夏季時海流主軸位置會較遠離海盆西側並沿海盆中央向南流,隨著風力減弱及風向改變,逐漸向海盆西側靠近,到了冬季時海流主軸位置會最靠近海盆西側,沿著巴拉望島東南沿岸向南流。
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