Innovative Coastal Risk Reduction through Hybrid Design: Combining Sand Cover and Structural Defenses

Almarshed, Badreyah; Figlus, Jens; Miller, Jon K.; Verhagen, H.J.

doi:10.2112/jcoastres-d-18-00078.1

Cited by 26 publications

(10 citation statements)

References 70 publications

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“…Recent works on coastal engineering planning and design have highlighted coastal protection systems that integrate both the natural functionality provided by natural coastal environments (e.g., coastal dunes, mangrove swamps, etc.) and artificial protection structures-so-called hybrid infrastructures [105][106][107][108][109], which can be defined as multifunctional coastal protection systems [110] that act against storms, erosion and natural hazards. This type of system combines both natural and built infrastructures [101], i.e., green and grey infrastructures [107], dynamic and static components, and ecological and planning approaches [106] to effectively meet the requirements of coastal areas.…”

Section: Dune Maintenance and Enhancementmentioning

confidence: 99%

“…and artificial protection structures-so-called hybrid infrastructures [105][106][107][108][109], which can be defined as multifunctional coastal protection systems [110] that act against storms, erosion and natural hazards. This type of system combines both natural and built infrastructures [101], i.e., green and grey infrastructures [107], dynamic and static components, and ecological and planning approaches [106] to effectively meet the requirements of coastal areas. This system is important in situations where the width of the beach is narrow or the sand is rare, and can provide an additional line of protection.…”

Section: Dune Maintenance and Enhancementmentioning

confidence: 99%

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A Novelty Methodological Approach to Coastal Scenic Quality Evaluation—Application to the Moroccan Mediterranean Coast

Er-Ramy

Nachite

Anfuso

et al. 2023

JMSE

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Many tourists around the world are interested in coastal sites of exceptional scenic quality. This paper aims to assess the landscape quality of 50 sites along the Moroccan Mediterranean coast based on a novelty Coastal Scenic Quality Evaluation (CSQE) method able to classify the attractiveness of the sites and to distinguish exceptional ones with high tourist potential. This proposed methodology relies on evaluating coastal areas through easily obtainable indicators in order to simplify its application to other regions around the world. Four landscape dimensions were selected: Substratum, Sea-Coastal Area, Vegetation and Scenic Background. Each dimension was numerically assessed and ranged from 0 to 1. The values of each dimension along the sites were classified as: <0.2 (very low); 0.2 to <0.4 (low); 0.4 to <0.6 (medium); 0.6 to <0.8 (high) and ≥0.8 (very high). The results show that the overall scenic quality score of the Moroccan Mediterranean coast is 0.6 (high quality), reflecting a potential tourist destination of high scenic value. Substratum, Sea-Coastal Area and Vegetation dimensions obtained a high quality score (0.6 to <0.8), while the Scenic Background dimension recorded medium quality (0.4 to <0.6). Urbanization, the presence of litter and sewage evidence were the main factors of degradation of the Moroccan coastal landscapes, i.e., 32 out of 50 sites (64%) obtained low scores (from 0 to 2) for these three variables. Sound management actions have to be taken to reduce their impacts, in order to preserve and improve the natural landscape, and strength its capacity to host the various tourist activities.

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Section: Dune Maintenance and Enhancementmentioning

confidence: 99%

Section: Dune Maintenance and Enhancementmentioning

confidence: 99%

A Novelty Methodological Approach to Coastal Scenic Quality Evaluation—Application to the Moroccan Mediterranean Coast

Er-Ramy

Nachite

Anfuso

et al. 2023

JMSE

View full text Add to dashboard Cite

show abstract

“…In some cases, sand dunes have been artificially formed and used as natural dikes (Perk et al 2019). In the same line of reasoning, there also exists a conceptual hybrid plan that combines the strength of a seawall with the multiple functions of a sand dune (Almarshed et al 2020).…”

Section: Sand-covered Embankments As Hybrid Infrastructure For Coastal Community Resiliencementioning

confidence: 99%

Challenging a Hybrid Between Green and Gray Infrastructure: Coastal Sand-Covered Embankments

Matsushima

Zhong

2022

Ecological Research Monographs

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While coastal areas are one of the most highly developed areas in the world, they have always been exposed to the danger of disaster. In response to the extreme events that increase every year owing to the effects of climate change, it is necessary to switch from coastal conservation that relies on existing infrastructure (gray infrastructure) to green infrastructure that utilizes ecotone. However, the reproduction of ecotones poses great challenges in many coastal areas. Therefore, we introduce a new approach to the complementary infrastructure development of gray and green functions, which involves conversion of the existing infrastructure, namely tide embankment, into dunes with sand-covering their slope, to be utilized as hybrid infrastructure. It was confirmed that the sand-covered embankments expanded the habitat of dune plants and protected the tide embankment body from high temperatures. This sand-covered embankment was also used as a place for environmental education for local elementary and junior high school students, and the multi-functionality of the hybrid infrastructure that grows over time was confirmed through the participation of various individuals.

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“…A very interesting land barrier solution to explore further is the fortified dune (or dike in dune). Such a hybrid defense would combine a structural defense with sand cover (Almarshed, Figlus, Miller, & Verhagen, 2019). This type of solution has been implemented in the Dutch coastal town of Noordwijk.…”

Section: Land Barriermentioning

confidence: 99%

Flood risk reduction for Galveston Bay: Preliminary design of a coastal barrier system

Jonkman¹,

Berchum²

2022

Coastal Flood Risk Reduction

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Innovative Coastal Risk Reduction through Hybrid Design: Combining Sand Cover and Structural Defenses

Cited by 26 publications

References 70 publications

A Novelty Methodological Approach to Coastal Scenic Quality Evaluation—Application to the Moroccan Mediterranean Coast

A Novelty Methodological Approach to Coastal Scenic Quality Evaluation—Application to the Moroccan Mediterranean Coast

Challenging a Hybrid Between Green and Gray Infrastructure: Coastal Sand-Covered Embankments

Flood risk reduction for Galveston Bay: Preliminary design of a coastal barrier system

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