论文部分内容阅读
自1916年Helland-Hansen首次将“水团”一词导入海洋学以后,几十年来,水团的分析研究,一直是海洋学上的重要问题之一;而Helland-Hansen所创立的T-S图解法,迄今亦仍被认为是分析水团最主要的工具和最有成效的方法。其后,Defant(1929年)又参用气象学上定义“气团”的办法,将水团的定义进一步明确化,按照他的定义,“水团是具有明确而比较恒定(或保守)的理化特征(如温、盐度)、体积有限或无限的水体”。根据
For the first time since Helland-Hansen introduced the word “water mass” into oceanography in 1916, the analysis of water masses has for decades been one of the most important problems in oceanography; and Helland-Hansen’s TS graphic method , So far it is still considered as the most important tool and the most effective method for analyzing water masses. Later, Defant (1929) added the definition of “water mass” to meteorology to further clarify the definition of water mass. According to his definition, “water mass is a definite and relatively constant (or conservative) physicochemical Characteristics (such as temperature and salinity), limited or unlimited volume of water ”. according to