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萨马岛以东海域的一个次表层暖涡
丁宗信, 白虹
中国科学院海洋研究所 青岛 266071
摘要:
通过对1988年和1989年由中国科学院海洋研究所“科学一号”船在菲律宾以东海域获得的CTD调查资料的分析,发现在萨马(Samar)岛以东海域200m层下存在着一个东西跨度约为3个经度、南北跨度约为3个纬度的次表层暖涡,本文简称为Samar暖涡。这个暖流的强度、位置及其所潜在的深度范围均有明显的年际变化。这些变化与棉兰老潜流的变化是一致的。当棉兰老潜流强时,Samar暖涡也强;反之它也弱。由此可以看出,棉兰老潜流和Samar暖涡两者之间存在着密切的关系。
关键词:  萨马岛  次表层暖涡
DOI：
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基金项目:中国科学院海洋研究所调查研究报告第2085号。国家自然科学基金会资助项目，49176255号
A SUBSURFACE WARM EDDY IN THE. AREA EAST OF SAMAR ISLAND
Ding Zongxin, Bai Hong
Institute of Oceanology, Academia Sinica, Qingdtto, 266071
Abstract:
Based on the CTD data gathered by the R/V “Science I” in October of 1988 and 1989 in the area east of the Philippines, we found there exists a subsurface warm eddy, which we name Samar warm eddy in this paper, with a range of 3° (Long.) × 3° (Lat.) below a depth of 200 meters in the east of Samar Island. The intensity and the depth of this eddy have striking interannual variability, which is associated with that of the Mindanao undercurrent, i.e. the Samar warm eddy intensifies or weakens with intensification or weakening of the Mindanao undercurrent. Therefore, the Mindanao undercurrent plays an important role in the formation of Samar warm eddy.
Key words:  Samar Island, Subsurface warm eddy
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