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題名:ON UPWELLING ALONG THE EASTERN COAST OF TAIWAN: A REVIEW OF HYDROGRAPHIC AND CHEMICAL DATA    
臺灣東海岸的湧升流:水文及化學資料的檢討
著者:Gudrun M. Bodvarsson(卜古芝)
出版地區:台灣
出版城市:台北市
學科:地球科學
刊名:Science Reports of the National Taiwan University ACTA Oceanographica Taiwanica
卷期:6期(1976.12)
頁碼:98-117
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

由臺灣東部外海所得八年水文及化學資料的研究證實了以前的報告(Tominaga, 1972; Hung, 1975)認為有一些湧升流沿著臺灣島的東海岸發生。沿著海岸海水從深處的上升流往往導致有相當冷的海水出現在海面之下,特別在北緯二十三度附近是如此。這可由等溫線及等鹽度線向著海岸方向的上升以及對應的靠近海岸海水中營養鹽的增加與溶氧濃度的減少顯示出來。南風及西風傾向於在海水最上層數十以至於三百公尺左右處造成湧升流,特別是在春天和夏天的時候,而發生在較大深度處的上升流則為海流(黑潮)及其與海岸大陸棚和海底地形的相互作用所造成。緯度二十二度四十五分至二十三度附近持續的深海上升流是由於地形引起的,因為海流流經就在臺東東北處的一個海脊;由於海流與大陸棚之間的磨擦,該處可能還有一些沿著海岸仍未能決定的向著海岸方向的上升流。然而顯出海岸湧升流特徵的水文型式也傾向於與強烈向北流的西太平洋邊緣海流(western boundary current)相關聯,這個水文型式存在於臺灣之南的海域以及臺灣東海岸外的海域。
A study of eight years of hydrographic and chemical data from the sea east of Taiwan confirms previous reports (Tominaga, 1972; Hung, 1975) that some up welling occurs along the east coast of the island. Upward flow of water from depth along the coast frequently leads to relatively cool patches of subsurface water, especially around latitude 23°N. It occurs at depths down to several hundred meters and is indicated by shoreward rises in isotherms and isohalines along with corresponding increases in nutrient and decreases in dissolved oxygen concentrations in the water close to the shore. Southerly and westerly winds tend to generate upwelling in the uppermost several tens to three hundred meter s at most, especially in the spring and summer seasons, while upward flows occurring at greater depths would be caused by the current (Kuroshio) and its interaction with the coastal shelf and submarine topography. Persistent deep upflow in the area around latitude 22°45'N to 23°N is topographically induced by the current crossing a submarine ridge just northeast of Taitung, and there may in addition be some yet undetermined shoreward and upward flow along the coast due to friction between the current and shelf bottom. However, the hydrographic regime which characterizes coastal upwelling tends also to be associated with a strong north ward moving western boundary current, and it is present in the region to the south of Taiwan as well as along its east coast.


    

本卷期目次
Science Reports of the National Taiwan University ACTA Oceanographica Taiwanica 6期 (1976.12)
STUDY OF THE KUROSHIO CURRENT BETWEEN TAIWAN AND ISHIGAKIJIMA/ Tsu-You Chu
ELECTROPHORETIC STUDY OF THE MUSCLE EXTRACTS OF BULLET TUNA (AUXIS ROCHEI) IN WATERS AROUND TAIWAN/ Su-Zan YehRong-Tszong Yang
THE DEMERSAL FISH STOCKS OF THE WATERS OF NORTH AND NORTHWEST AUSTRALIA/ Hsi-Chiang Liu
STUDIES ON ALGIN FROM BROWN ALGAE OF TAIWAN I. ESTIMATION OF YIELD AND QUALITY OF ALGIN/ Hong-Nong ChouYoung-Meng Chiang
ECOLOGICAL AND MORPHOLOGICAL STUDY OF THE FISH-FAUNA FROM THE WATERS AROUND TAIWAN AND ITS ADJACENT ISLANDS 17. A study of sex reversal in a pomacanthid fish, Genicanthus semifasciatus (KAMOHARA)/ Shih-Chieh ShenChen-Hsiang Liu
ECOLOGICAL AND MORPHOLOGICAL STUDY OF THE FISH-FAUNA FROM THE WATERS AROUND TAIWAN AND ITS ADJACENT ISLANDS 20. Study on the goatfishes-Mullidae/ Shih-Chieh Shen
魚類族群仔稚時期餌料的消費和加入量之間的關係/ 王健雄
STRONTIUM DISTRIBUTION IN COASTAL RANGE ANDESITES, EASTERN TAIWAN/ Lu-Chin ChenTung-Wuu Huang
A NOTE ON THE SIGNIFICANT WAVE DERIVED FROM JONSWAP SPECTRUM/ Joe WangNai-Kuang Liang
COMMENT ON M. C. LIN'S PAPER ON INTERNAL WAVES IN A STRATIFIED INCOMPRESSIBLE FLUID
PROCESSES MODIFYING THE ISOTOPIC COMPOSITION OF DISSOLVED OXYGEN/ Woei-Lih Jeng
STUDY ON MERCURY IN THE WATERS, SEDIMENTS AND BENTHONIC ORGANISMS ALONG CHAI-I COASTAL AREA/ Tsu-Chang HungTsung-Tien Lin
TIDAL CURRENTS IN THE OFFSHORE AREA OF SU-AOU IN RELATION TO TIDES OF THE LAND STATION ALONG THE EAST COST OF TAIWAN/ K. ChengT. Y. Chu
ON THE STEADY STATE CURRENTS IN SHALLOW SEAS OR LAKES/ San-Lang Lien
DISTRIBUTION OF Na, Mg, Ca, K, Sr AND Li IN SEA WATERS FROM THE BASHI CHANNEL/ Hsien-Wen LiJu-Chin Chen
GEOCHEMISTRY OF LANHSU ANDESITES/ Ju-Chin Chen
NUMERICAL SIMULATION OF TURBULENT DISPERSION OF FINITE SIZE PARTICLES/ Wei-Chung Chen
ON UPWELLING ALONG THE EASTERN COAST OF TAIWAN: A REVIEW OF HYDROGRAPHIC AND CHEMICAL DATA/ Gudrun M. Bodvarsson
 
   
 
   

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