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A numerical study of the effects of wind forcing on the Chile Current System

机译:风力对智利洋流系统影响的数值研究

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A high-resolution, multi-level, primitive equation ocean model is used to examine the response of the coastal region from 22.5°S to 35°S of the Chile Current System to both equatorward and climatological wind forcing. The results from both types of forcing show that an equatorward surface current, a poleward undercurrent, upwelling, meanders, filaments and eddies develop in response to the predominant equatorward wind forcing. When climatological wind forcing is used, an offshore branch of the equatorward surface current is also generated. These features are consistent with available observations of the Chile Current System. The model results support the hypothesis that wind forcing is an important mechanism for generating currents, eddies and filaments in the Chile eastern boundary current system and in other eastern boundary current regions which have predominantly equatorward wind forcing.
机译:高分辨率,多层次,原始方程海洋模型用于检验智利海流系统22.5°S至35°S沿海地区对赤道和气候风强迫的响应。两种强迫的结果都表明,响应于主要的赤道风强迫,会产生赤道表面电流,极向暗流,上升流,曲流,细丝和涡流。当使用气候强迫风时,也会产生赤道面水流的离岸分支。这些功能与智利现行系统的现有观测结果一致。模型结果支持以下假设:在智利东部边界洋流系统和其他主要具有赤道风向的东部边界洋流区域中,风力是产生电流,涡流和细丝的重要机制。

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