Introduction to “Historical and Recent Catastrophic Tsunamis in the World: Volume I. The 2011 Tohoku Tsunami”

Satake, Kenji; Rabinovich, Alexander B.; Dominey‐Howes, Dale; Borrero, José C.

doi:10.1007/s00024-012-0615-0

Cited by 16 publications

(1 citation statement)

References 28 publications

(21 reference statements)

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“…Tsunamis are recurring, devastating natural disasters that vulnerable regions can hardly shelter from. They frequently cause numerous casualties and considerable damage to economic assets, as demonstrated by the Indian Ocean tsunami in 2004 (Borrero et al, 2006;Fritz et al, 2006a;Ghobarah et al, 2006;Goff et al, 2006;Jaffe et al, 2006;Rodriguez et al, 2006;Saatcioglu et al, 2006;Tomita et al, 2006), the Chilean tsunami in 2010 (Fritz et al, 2011;Palermo et al, 2013), the Japanese tsunami in 2011 (von Hippel, 2011;Mikami et al, 2012;Chock et al, 2013;Satake et al, 2013;Mori et al, 2014), or the 2018 Indonesian tsunami (Mikami et al, 2019;Paulik et al, 2019;Aránguiz et al, 2020;Stolle et al, 2020;Krautwald et al, 2021). To improve predictions and estimations as to the damage potential of these extreme hydrodynamic events, research is ongoing and carried out by a large group of scientists all over the world.…”

Section: Introductionmentioning

confidence: 99%

Dam-Break Waves’ Hydrodynamics on Composite Bathymetry

Häfen

Krautwald

Bihs

et al. 2022

Front. Built Environ.

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Among others, dam-break waves are a common representation for tsunami waves near- or on-shore as well as for large storm waves riding on top of storm surge water levels at coasts. These extreme hydrodynamic events are a frequent cause of destruction and losses along coastlines worldwide. Within this study, dam-break waves are propagated over a composite bathymetry, consisting of a linear slope and an adjacent horizontal plane. The wave propagation on the slope as well as its subsequent inundation of the horizontal hinterland is investigated, by varying an extensive set of parameters, for the first time. To that end, a numerical multi-phase computational fluid dynamics model is calibrated against large-scale physical flume tests. The model is used to systematically alter the parameters governing the hydrodynamics and to link them with the physical processes observed. The parameters governing the flow are the slope length, the height of the horizontal plane with respect to the ocean bottom elevation, and the initial impoundment depth of the dam-break. It is found that the overland flow features are governed by the non-dimensional height of the horizontal plane. Empirical equations are presented to predict the features of the overland flow, such as flow depth and velocities along the horizontal plane, as a function of the aforementioned parameters. In addition, analytical considerations concerning these dam-break flow features are presented, highlighting the changing hydrodynamics over space and time and rising attention to this phenomenon to be considered in future experimental tests.

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