首页 | 期刊简介 | 编委会 | 投稿指南 | 常用下载 | 联系我们 | 期刊订阅 | In English
引用本文:袁叔尧,邓九仔.巴士海峡水质点运动路径的分布特征.海洋与湖沼,1999,30(2):219-223.
【打印本页】   【HTML】   【下载PDF全文】   查看/发表评论  下载PDF阅读器  关闭
←前一篇|后一篇→ 过刊浏览    高级检索
本文已被:浏览 1617次   下载 1351 本文二维码信息
码上扫一扫!
分享到: 微信 更多
巴士海峡水质点运动路径的分布特征
袁叔尧, 邓九仔
中国科学院南海海洋研究所,广州510301
摘要:
为了探讨巴上海峡东侧的黑潮水是否通过巴士海峡进入南海东北部以及进入后的去向如何,首次采用数值模拟方法跟踪了巴士海峡经向断面网格点水质点冬、夏季的空间运动路径。结果表明,冬、夏季均有西太平洋黑潮水通过巴上海峡经向断面的中、南部进入南海东北部,形成黑潮南海分支。并直“套状”结构,夏季黑潮南海分支的“套状”结构比冬季的明显。冬季,进入南海东北部的黑潮水有部分可到达10.0°N以南的南沙海域。
关键词:  巴士海峡  水质点运动路径  黑潮南海东北部分支
DOI:
分类号:
基金项目:“八五”国家重点科技专项,85-927-07资助
附件
CHARACTERISTICS OF WATER PARTICLE MOTION PATHS IN THE BASHI STRAIT
YUAN Shu-yao, DENG Jiu-zi
South China Sea Institute of Oceanology, The Chinese Academy of Sciences, Guangzhou, 510301
Abstract:
To study if Kuroshio water (KW) passes through the Bashi Strait (BS), and to identify its path after passing through BS, 3D motion paths of water particles were traced on grids for a BS longitudinal section in winter (January) and summer (July) using a tracing model. The results indicate that KW passed through the middle and southern paths of the BS longitudinal section to reach the northeastern South China Sea (SCS), to form the Kuroshio branch in the northeast of SCS (KBNSCS) in winter and summer. In winter, the KBNSCS branches off near 21.5°N, 114.5°E, southeast of the Dongsha Islands. The motion paths of water particles have loop like structures in the northeast of the branching off location (BL) and come into the western Pacific Ocean (WPO) from the north of the BS. Layers 1–6, a part of motion paths of motion paths in the northeast of BL stretch downward, another part parallels the continental slope isobaths into WPO. No motion paths reach the continental shelf near Taiwan Shoal, which implies that the winter upwind flows coming from the northeastern SCS to enter Taiwan Strait are indirect geostropic upwind flows, most of the water of which does not come from KW directly. Layers 5–7 motion paths can reach the Nansha district south of 10.0°N, in summer, when the BL of KBNSCS moves eastward. In layers 1 and 2, the motion paths to the northeast of the BL are northward continuously and pass through Taiwan Strait after reaching the continental slope. The looped motion paths in the north of the BS in summer are more remarkable than those in winter, but the motion paths at the southwest of the BL do not reach the Nansha district.
Key words:  Bashi Strait, Water particle motion paths, Kuroshio branch in the northeast of SCS
版权所有 海洋与湖沼 Oceanologia et Limnlolgia Sinica Copyright©2008 All Rights Reserved
主管单位:中国科协技术协会 主办单位:中国海洋湖沼学会
地址:青岛市海军路88号  邮编:266400  电话:0532-82898753  E-mail:ols@qdio.ac.cn
技术支持:北京勤云科技发展有限公司