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首页> 外文期刊>Geophysical Research Letters >Salt transport in the near-surface layer in the monsoon-influenced Indian Ocean using HYCOM
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Salt transport in the near-surface layer in the monsoon-influenced Indian Ocean using HYCOM

机译：利用HYCOM在季风影响的印度洋近地表盐分运输

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Salt advection in the top 5 m layer of the monsoon-influenced Indian Ocean has been studied with high resolution HYbrid Coordinate Ocean Model (HYCOM) simulated sea surface salinity (SSS) during 2003-06. The effect of monsoon reversals and roles of Ekman drift and geostrophic currents are emphasized. The Ekman drift component is found to be more important than the geostrophic component in exchange of salt in the basins; an indication of the influence of winds and the associated surface currents. The strongest differences in the salt advection terms occurred in the Bay of Bengal (BoB), an indication of the significant role of advection for the distribution of freshwater and the Ekman processes. The Inter-Tropical Convergence Zone (ITCZ) is seen to influence advection patterns via Ekman drift along the equatorial region. This results in the creation of two salt advection bands whose positions vary seasonally. This study will help to interpret data from the recently launched Soil Moisture Ocean Salinity (SMOS) and future Aquarius salinity missions for the Indian Ocean.
机译：在2003-06年期间，已使用高分辨率混合坐标海洋模型（HYCOM）模拟的海面盐度（SSS）研究了季风影响的印度洋顶部5 m层的盐平流。强调季风逆转的影响以及埃克曼漂移和地转流的作用。人们发现，在盆地交换盐时，Ekman漂移分量比地转分量更重要。指示风和相关表面电流的影响。盐平流项的最大差异发生在孟加拉湾（BoB），这表明平流对淡水分布和Ekman过程的重要作用。热带间汇合带（ITCZ）被认为是通过沿赤道区域的埃克曼漂移影响平流模式的。这导致创建两个盐平流带，其位置随季节变化。这项研究将有助于解释最近发布的土壤水分海洋盐度（SMOS）以及未来印度洋水瓶座盐度任务的数据。

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