Study of irregular wave run-up over fringing reefs based on a shock-capturing Boussinesq model

Ning, Yue; Liu, Weijie; Zhao, Xizeng; Zhang, Yao; Sun, Zhigang

doi:10.1016/j.apor.2019.01.013

Cited by 35 publications

(8 citation statements)

References 49 publications

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“…Thus, the impact of climate change on stormy wave run-up over fringing reefs should be investigated more carefully and comprehensively. The present model with TVD shockcapturing scheme has shown its capability of predicting the irregular wave evolution and run-up over fringing reefs in recent numerical studies (Su et al 2015;Ning et al 2019). The present model, which can reasonably reproduce the mean water level, generation and spatial variations of infragravity waves and the run-ups dominated by the low-frequency motions, should be useful and efficient for further investigation of the impact of climate change on stormy wave run-up over fringing reefs.…”

Section: Discussionmentioning

confidence: 71%

The influence of climate change on tsunami-like solitary wave inundation over fringing reefs

Shao

Liu

Gao

et al. 2019

Journal of Integrative Environmental Sciences

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The protective capability of fringing reefs against tsunami hazards has been reported in numerous post-disaster surveys. It is believed that global warming is changing the water level over the reef flat and reef surface roughness by sea-level rise and coral bleaching. For a better understanding of the influence of climate change on tsunami hazards over fringing reefs, this study utilized a shockcapturing Boussinesq wave model, FUNWAVE-TVD, to simulate the tsunami-like solitary wave propagation and run-up over fringing reefs. Calibrated and validated by the newly obtained experimental data, the present model with shock-capturing scheme, in which only the ratio of wave height to water depth is used to trigger wave breaking, shows reasonable prediction of solitary wave transformation and run-up height over sharply varying reef bathymetry. Numerical experiments were then carried out to investigate the effects of sea-level rise and degrading of the reef surface roughness on the solitary wave inundation distance and fluid force distribution in the inundation zone. Numerical results clearly demonstrate how tsunami hazards change within the inundation zone in response to higher water levels and lower reef roughness and suggest climate change, especially sea-level rise, will significantly increase tsunami hazards in the low-lying areas of the reef-lined coasts. Presented results are discussed for the effects of sea-level rise and coral bleaching on the solitary wave process and implications to further improve the resilience under the threat of climate change. ARTICLE HISTORY

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Section: Discussionmentioning

confidence: 71%

The influence of climate change on tsunami-like solitary wave inundation over fringing reefs

Shao

Liu

Gao

et al. 2019

Journal of Integrative Environmental Sciences

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“…With these enhancements mentioned above, the numerical model becomes more robust and more powerful in predicting various hydrodynamic processes associated with water waves in the 5 offshore and coastal areas. These processes include wave shoaling, diffraction, refraction, breaking, and wave runup/backwash on beaches (Liu et al, 2019;Ning et al, 2019b). To validate the capability of the numerical model in simulating the harbor resonance excited by transient long waves (e.g., tsunamis), the physical experiments of Dong et al (2010) were fairly well reproduced in Gao et al (2017a) by using FUNWAVE-TVD.…”

Section: Numerical Modelmentioning

confidence: 99%

On hydrodynamic characteristics of transient harbor resonance excited by double solitary waves

Gao

Chen

et al. 2021

Ocean Engineering

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“…The election of the SWAN model over other models, such as the phase-resolving Boussinesq-type models [23,24], is motivated by a compromise between the computational demand and the quality of the results obtained. This work aims to study the modification in the energy spectrum and the physical transformation of waves in the English Channel, especially during stormy events, when they are approaching Normandy coasts, but obtaining results only before waves start to break.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of Nearshore Waves during Storms: Case of the English Channel and the Normandy Coasts

Solano

Turki

Hamdi³

et al. 2022

Water

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This research was carried out in the framework of the Surface Water and Ocean Topography (SWOT) program of the French National Centre of Space Studies (CNES). In the context of global climate change, increases in frequency and intensity of extreme events are considered potential threats. Hence, many efforts have been devoted to acquiring a better understanding of the natural processes driving the hydrodynamics’ multiscale variability in order to produce a more accurate estimation of their fluctuations. In this situation, and in the framework of Normandy’s coastal risk management, the dynamics of extreme events were investigated from regional scales (the English Channel basin) to local scales (the Normandy beaches in Etretat and Hautot-sur-Mer). Offshore wave data were obtained and hourly wave data were simulated for two years using the SWAN (Simulating WAves till Nearshore) model, including ten highly energetic stormy events selected by their different physical characteristics. Spectral analysis was conducted to compare the transformation in frequencies of the wave spectra from the Channel to shallow waters. A special focus was given to the hydrodynamics close to Normandy during these extreme events depending on their duration, their strength, and the persistence of the maximum wave height.

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Study of irregular wave run-up over fringing reefs based on a shock-capturing Boussinesq model

Cited by 35 publications

References 49 publications

The influence of climate change on tsunami-like solitary wave inundation over fringing reefs

The influence of climate change on tsunami-like solitary wave inundation over fringing reefs

On hydrodynamic characteristics of transient harbor resonance excited by double solitary waves

Dynamics of Nearshore Waves during Storms: Case of the English Channel and the Normandy Coasts

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