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海面的波动有各种不同的时间尺度。一般月平均海面的变化主要表现为季节波动,此外为长周期天文潮的影响以及各种非周期性因素所导致的年际变化。海面的非周期性年际变化通常与海洋环流的变异(例如El Ni(?)o现象,以下简称EN)有关。 有关研究表明我国东南沿岸月平均海面除季节变化之外,还呈明显的年际变化,已有若干研究探讨了这种年际变化与EN之间的关系。于克俊在讨论中国东部近海沿岸平均
The fluctuations of the sea have a variety of different time scales. The changes of general average monthly sea level are mainly seasonal fluctuations, in addition to the effects of long-period astronomical tides and the interannual variations caused by various non-periodic factors. The non-periodic interannual variation of the sea surface is usually related to variations in ocean circulation (eg El Niño phenomenon, hereinafter referred to as EN). The research shows that in addition to the seasonal variation in the monthly mean sea level over the southeast coast of China, there are also obvious interannual variations. Several studies have investigated the relationship between this interannual variation and EN. Yu Kejun is discussing the average offshore coast of China