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首页> 外文期刊>Journal of oceanography >Two Modes of Salinity and Temperature Variation in the Surface Layer of the Pacific Warm Pool
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Two Modes of Salinity and Temperature Variation in the Surface Layer of the Pacific Warm Pool

机译：太平洋暖池表层盐度和温度变化的两种模式

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The characteristics of temperature and salinity variation in the Pacific warm pool were investigated using Empirical Orthogonal Function (EOF) analysis on one year's temperature and salinity data in the surface layer (0–50 m) obtained from the Triangle Trans-Ocean Buoy Network (TRITON) buoy array. Two dominant modes of surface temperature and salinity variation were found. One is a positive correlation mode where temperature and salinity were scattered almost parallel to isopycnal lines in a T-S diagram, which has little effect on the density field. The other is a negative correlation mode where temperature and salinity were distributed across isopycnal lines, which has a substantial impact on the density field. In particular, we found that the negative correlation mode at 5°N, 156°E was predominant on a seasonal time scale and contributed to the surface dynamic height variation, and therefore to surface geostrophic current.
机译：利用经验正交函数（EOF）分析了三角跨洋浮标网（TRITON）获得的表层（0-50 m）的一年温度和盐度数据，研究了太平洋暖池中温度和盐度变化的特征。 ）浮标阵列。发现了两种主要的表面温度和盐度变化模式。一种是正相关模式，其中温度和盐度在T-S图中几乎平行于等腰线散布，这对密度场影响很小。另一种是负相关模式，其中温度和盐度分布在等深线之间，这对密度场有很大影响。特别是，我们发现在5°N，156°E的负相关模式在季节尺度上占主导地位，并导致了地表动态高度变化，并因此导致了地转流。

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