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利用近几年国家海洋局第二海洋研究所及国家海洋技术中心在南海和西北太平洋海域布放的部分卫星跟踪表面漂流浮标所取得的观测资料,分析了浮标流经海域的表层海流特征及浮标漂移路径上水温的变化。结果表明:2003年1月,黑潮表层水有入侵南海的趋势,夏季南海表层水经吕宋海峡流出,汇入黑潮主干;夏末冬初,黑潮主干经过东海时明显呈弯曲流动;2003年春季,日本以南海域黑潮弯曲不明显;台湾东北部海域存在一个强反气旋涡;表层海水的温度日变化和季节变化明显,在浮标漂移路径呈反气旋或气旋式转动的区域,对应出现了表层水温的高、低温区。
Based on the observation data of some satellite tracking surface drifting buoys deployed by the Second Institute of Oceanography of State Oceanic Administration and the National Center for Ocean Technology in the South China Sea and the Northwest Pacific Ocean in recent years, the characteristics of the surface currents and the buoys flowing through the sea surface Changes in water temperature on the drift path. The results showed that the surface water of Kuroshio invaded the South China Sea in January 2003. The surface water of the South China Sea exited the Luzon Strait in summer and merged into the Kuroshio main trunk. At the beginning of summer and the beginning of the winter, the Kuroshio main trunk was obviously bent and flowed through the East China Sea. In the spring of 2003, the Kuroshio in the sea area south of Japan was not obviously bent. There was a strong anti-cyclonic vortex in the sea area of northeastern Taiwan. The diurnal and seasonal variations of surface seawater temperature were obvious. In the area where the drift path of the buoy was anti-cyclone or cyclonic, Corresponding to the surface temperature of high and low temperature zone.