阿尔沃兰海海洋锋时空气候变化特征-海洋预报

阿尔沃兰海海洋锋时空气候变化特征

单位：海军大连舰艇学院, 辽宁大连 116018

分类号：P731

出版年·卷·期（页码）：2016·33·第一期（37-44）

摘要：

阿尔沃兰海海洋锋研究有较高的学术价值和军事应用价值,然而目前对于阿尔沃兰海海洋锋国内外缺乏相关研究。本文通过WOA13 季节、月平均数据对阿尔沃兰海海洋锋锋轴线分布变化特征,锋轴线强度分布变化特征等方面进行了研究。认为阿尔沃兰海温度锋可分为0—30 m与30—200 m两层分别讨论,其中0—30 m成南北分布而30—200 m内锋轴线则成东西方向,两部分锋轴线分布特征及强度变化特征均有不同。阿尔沃兰海盐度锋四季存在且0—200 m内锋轴线均成南北方向分布,其锋轴线上强度随深度成先增加后减小的特点,最大强度对应的深度在100 m处。

The research of ocean fronts in Alboran Sea has high academic values and military application values., but the knowledge about the ocean fronts is not well documented. In this paper, based on the seasonal and monthly data from WOA13 (World Ocean Atlas 2013), the variation characteristics of the frontal axis distribution and frontal axis intensity distribution in Alboran Sea, were studied. The temperature fronts were divided into two layers, 0—30m and 30—200 m two layer and the results were discussed. The results showed that the temperature frontal axis in 0—30m layer was distributed along north-south direction, while the temperature frontal axis in 30—200m was along the east-west direction. The distribution and intensity of two temperature front axis had different variation characteristics. The salinity front axis existed in four seasons and were distributed along north—south direction in 0—200 m layer, and the intensity of salinity front axis presented a characteristic which was increasing first and then decreasing with the water depth, and reached the maximum value in 100 m depth.

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