In this paper, data gathered during 1957-1996 were used to study the climatological variability in the northern ecs, through statistical methods such as eof decomposition, correlation analysis, and maximum entropy spectrum analysis . the conclusions were drawn as follows : 1 本文利用19571996年東海溫鹽的觀測(cè)資料,通過統(tǒng)計(jì)平均、eof分解、相關(guān)分析、最大熵譜分析等方法,對(duì)東海北部夏、冬季溫鹽年際年代際變化特征及其成因進(jìn)行了初步探討,得到以下結(jié)論:1