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首页> 外文会议>International Conference on Simulation Technology >Salinization by Tsunami in a semi-enclosed bay: Tsunami-Ocean 3D simulation based on the great earthquake scenario along the Nankai Trough
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Salinization by Tsunami in a semi-enclosed bay: Tsunami-Ocean 3D simulation based on the great earthquake scenario along the Nankai Trough

机译：海啸在半封闭式海湾的盐渍化：基于南开槽的大地震场景的海啸 - 海洋3D模拟

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This study investigated the influences of a giant tsunami on the salinity in the coastal water based on the greatest tsunamigenic earthquake scenario along the Nankai Trough occurring in the near future by conducting an ocean-tsunami coupled 3D simulation in Osaka Bay as a pilot shallow ocean. This realistic simulation using an unstructured-grid model was aided by the real-time ocean prediction and tsunami simulation, which was capable of evaluating the oceanic salinization induced by the tsunami into a semi-enclosed bay. Our simulated results provided two key findings. First, the area-average salinity increase of about 4 in the bay head can be induced until when the second tsunami wave intruded the coastal water. Second, this salinization could be recovered due to diffusion of the tidal current and advection of wind-driven current in a week after the earthquake.
机译：本研究通过在不久的将来在大阪湾的海啸耦合的3D模拟中，研究了巨型海啸的影响，基于在不久的未来发生在不久的未来的南开水槽沿着南开水槽的盐度。这种使用非结构化网格模型的现实模拟是由实时海洋预测和海啸模拟的帮助，该模拟能够评估海啸诱导的海洋盐渍化成为半封闭式海湾。我们的模拟结果提供了两个关键结果。首先，在第二海啸波侵入沿海水中，可以诱导海湾头部约4的区域平均盐度增加。其次，由于潮流的扩散和地震后一周内的风力驱动电流，可以恢复该盐渍化。

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