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Tsunami in coastal zone due to meteorite impact

机译：陨石撞击导致沿海海啸

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摘要

The impact of a meteorite into the ocean surface is a rare phenomenon. However, it can be catastrophic, especially for the coastal area. The aim of the paper is to describe the evolution of the tsunami impulse due to meteorite impact in shallow water, including energy dissipation due to bottom friction and wave breaking. As the exact nonlinear solutions for tsunami transformation with energy loss due to wave breaking are not known, the linearised equations of motion are used and energy loss is parameterised accordingly. To describe the evolution of tsunami impulse in shallow water, the Hilbert Transform technique was introduced. It facilitates considerably the evaluation of the tsunami impulse transformation, its run-up and coast inundation range. Examples are included to illustrate the applicability of the theoretical derivations.
机译：陨石撞击海洋表面是一种罕见的现象。但是，这可能是灾难性的，特别是对于沿海地区。本文的目的是描述由于陨石撞击浅水而引起的海啸冲动的演变，包括由于底部摩擦和波浪破碎而造成的能量耗散。由于尚不知道因海浪破坏而造成能量损失的海啸转换的确切非线性解决方案，因此使用线性化的运动方程式并据此对能量损失进行参数化。为了描述浅海海啸冲动的演变，引入了希尔伯特变换技术。它极大地促进了对海啸冲动转变，上升和海岸淹没范围的评估。包括示例以说明理论推导的适用性。

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