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赤道太平洋中部海区水文的一个重要特征是具有明显的跃层现象。由于跃层的存在,往往引起该水层许多海洋学特征量的急剧变化,诸如与海洋生物的分布,水声的传播,光波的折射等有着密切的关系。因此,了解本洋区温、盐跃层的基本特征,对科学研究和生产实践都有重要意义。本文根据“向阳红五号”船于1976—1978年3—5月、9—10月在170°E—
An important feature of hydrology in the central equatorial Pacific Ocean is the apparent thermocline. Due to the existence of the thermocline, it often leads to drastic changes of many oceanographic features in the water layer, such as the distribution of marine organisms, the propagation of underwater acoustic waves and the refraction of light waves. Therefore, to understand the basic features of temperature and salinity in this area is of great significance to both scientific research and production practice. According to “Xiangyang Hongwu” ship from 1976 to 1978 March-May, September-October at 170 ° E-