Shoreline change caused by the increase in wave transmission over a submerged breakwater due to sea level rise and land subsidence

Kuriyama, Yoshiaki; Banno, Masayuki

doi:10.1016/j.coastaleng.2016.02.003

Cited by 15 publications

(9 citation statements)

References 20 publications

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“…As countermeasures against the beach erosion due to SLR and land subsidence, we think of heightening the crown of submerged breakwater in 2031 by 1.0, 1.5 and 2.0 m. To examine the effects of the countermeasures, we predicted the shoreline change from 2011 to 2061 using the shoreline prediction model employed by Kuriyama and Banno (2016), which was confirmed to reproduce the shoreline change on the investigation area during the period from 2001 to 2011.…”

Section: Methodsmentioning

confidence: 85%

“…However, sandy beaches protected by submerged breakwaters are assumed to be vulnerable to relative sea level rise (SLR) and land subsidence because the crests of submerged breakwaters are below sea level. Kuriyama and Banno (2016) numerically predicted the future shoreline change under SLR and land subsidence on the Niigata West coast in Japan, which is protected by submerged breakwaters. The prediction showed that the shoreline will retreat 60 m over the next 100 years.…”

Section: Introductionmentioning

confidence: 99%

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Countermeasure Against Erosion Behind Submerged Breakwater Due to Sea Level Rise

Kuriyama¹,

Banno²

2018

Int. Conf. Coastal. Eng.

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Submerged breakwaters are considered to be preferable countermeasures against beach erosion where the availability of sediments for nourishment is limited and tourism is prevalent because submerged breakwaters do not interfere with the view of the horizon from the shore. However, sandy beaches protected by submerged breakwaters are assumed to be vulnerable to relative sea level rise (SLR) and land subsidence because the crests of submerged breakwaters are below sea level. Kuriyama and Banno (2016) numerically predicted the future shoreline change under SLR and land subsidence on the Niigata West coast in Japan, which is protected by submerged breakwaters. The prediction showed that the shoreline will retreat 60 m over the next 100 years. In this study, we investigated the effects of countermeasures against the erosion due to SLR and land subsidence.

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Section: Methodsmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 99%

Countermeasure Against Erosion Behind Submerged Breakwater Due to Sea Level Rise

Kuriyama¹,

Banno²

2018

Int. Conf. Coastal. Eng.

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“…The main characteristic of a wave-permeable breakwater is that a wave can move through the breakwater without changing its profile, while wave diffraction is not dependent on whether the structure is permeable or not [19] [20] [21].Wave energy can induce sediment transport and shoreline changes [22] and also implication of breakwater orientation can be designed or altered to sediment transport in a desired direction [23]. Those sometimes constructed as countermeasures against beach erosion where the availability of sediments for nourishment is limited [24]. The construction of breakwater influenced by wave energy and sediment transport patterns of the study area [25].…”

Section: Wave Breaker Stucturementioning

confidence: 99%

A Framework for Plans Permeable Breakwater Eco-Friendly Building Identification and Characteristics Materials Construction Study Case at Demak Village

Sugianto¹,

Widada²,

Wirastriya³

et al. 2020

Adv. sci. technol. eng. syst. j.

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Demak is located on the north coast of Java, precisely in Central Java Province, Indonesia which has many problems related to erosion and shoreline degradation. This study attempts to analyze, identify, and select the materials to build eco-friendly permeable breakwater in Demak. The research was conducted during 2014, consist of several activities, i.e. identified the condition of breakwaters position, materials, and construction, did literature study of identification type breakwaters, study area, sediment, chemical reaction, then reverse design and modification for eco-friendly permeable breakwater. The result is a design of eco-friendly permeable breakwater which used a material of PVC pipe and Bamboo. PVC has excellent chemical resistance, also will increase sedimentation process and accelerate coastal changes towards the sea. Effectiveness level of breakwater made from combination of tire and PVC was 62%, and reveal to be more economical than other general-purpose plastics such as PE, PP, or PS.

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“…The rubble mound breakwater is the most popular built along the coast to reduce the impact of waves. It has advantages of environmental friendly and the least optical interference with the aesthetic value of coastal landscape [2]. The consideration on overtopping wave over the rubble mound breakwaters is an important aspect in determining the effectiveness of breakwater structure as a coastal protection.…”

Section: Introductionmentioning

confidence: 99%

“…The outputs of simulations are then being analyzed using general accepted equations for presenting overtopping wave in costal engineering. It could be expressed in (1) and(2).…”

mentioning

confidence: 99%

Investigation of Wave Overtopping from Various Geometrical Configurations of Coastal Breakwater Ramps

Musa¹,

Ahmad²,

Mokhtar³

et al. 2018

IJET

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Breakwater is often required for erosion protection. The effectiveness of breakwater structure as a coastal defence could be determined through overtopping wave surpass onto its crest freeboard structure. The common design practice of breakwater structure is using a linear ramp configuration. There is still a limited knowledge on the contribution of various configuration ramps shape into breakwater efficiency. Thus, this study attempts to investigate a few other's configuration of ramp geometries through overtopping discharge rate performance and identified its relationships with the crest freeboard. Three configurations of ramp geometries (convex, concave and cubic) have been investigated using numerical simulation of CFD-Flow 3D software. The result indicates that, there are significant influences of ramp configuration parameters on the overtopping rate and the highest overtopping rate is contributed from cubic shape ramp geometry. It is recommended that the detail study on cubic ramp shape geometry for determining its capability in increasing overtopping rate.

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Shoreline change caused by the increase in wave transmission over a submerged breakwater due to sea level rise and land subsidence

Cited by 15 publications

References 20 publications

Countermeasure Against Erosion Behind Submerged Breakwater Due to Sea Level Rise

Countermeasure Against Erosion Behind Submerged Breakwater Due to Sea Level Rise

A Framework for Plans Permeable Breakwater Eco-Friendly Building Identification and Characteristics Materials Construction Study Case at Demak Village

Investigation of Wave Overtopping from Various Geometrical Configurations of Coastal Breakwater Ramps

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