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Statistical Descriptors of Ocean Regimes From the Geometric Regularity of SST Observations

机译:从海表温度观测的几何规律来看海洋区域的统计描述

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In this letter, we evaluate to which extent the activity of ocean fronts can be retrieved from the geometric regularity of ocean tracer observations. Applied to sea surface temperature (SST), we propose a method for the characterization of this geometric regularity from curvature-based statistics along temperature level lines in front regions. To assess the effectiveness of the proposed descriptors, we used six years (from 2003 to 2008) of daily SST observations of the regions of Agulhas in the South of Africa and of Malvinas off the southern Brazilian coast. These experiments stress the relevance of geometric regularity features of tracer observation at ocean surface to characterize seasonal variations in ocean regimes.
机译:在这封信中,我们评估了可以在多大程度上从海洋示踪剂观测的几何规律中检索出海洋前沿的活动。应用于海表温度(SST),我们提出了一种基于沿前部区域温度水平线的基于曲率的统计数据表征这种几何规律性的方法。为了评估所提出的描述符的有效性,我们使用了六年(2003年至2008年)的每日SST观测值,观测了非洲南部的Agulhas地区和巴西南部沿海的Malvinas地区。这些实验强调了海洋表面示踪剂观测的几何规律特征的相关性,以表征海洋状况的季节性变化。

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