The role of fringing coral reef in beach protection of Hurghada, Gulf of Suez, Red Sea of Egypt

Frihy, Omran E.; Ganaini, Mohamed A El; Sayed, W. R. El; Iskander, Moheb

doi:10.1016/j.ecoleng.2003.11.004

Cited by 43 publications

(21 citation statements)

References 5 publications

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“…They seem to act as efficient natural barriers partially protecting the coasts from wind-wave and cyclonic swell impacts as reported by Clark (1991) and Frihy et al (2004). Several recent studies show that they also play a predominant role in case of tsunami arrival (Kunkel et al, 2006;Fernando et al, 2008;Liu and Ghidaoui, 2009;Baba et al, 2008;Gelfenbaum et al, 2011).…”

Section: Introductionmentioning

confidence: 91%

Tsunami hazard assessment of Guadeloupe Island (F.W.I.) related to a megathrust rupture on the Lesser Antilles subduction interface

Roger

Dudon

Zahibo

2013

Nat. Hazards Earth Syst. Sci.

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The French Caribbean Archipelago of Guadeloupe is located over the Lesser Antilles active subduction zone, where a handful of earthquakes have reached magnitudes of Mw = 7.0 (moment magnitude) and more. According to available catalogs, these earthquakes have been able to trigger devastating tsunamis, either directly by the shake or indirectly by induced landslides. The Guadeloupe Archipelago is known to have suffered from several violent earthquakes, including the 1843 Mw ~ 8.5 megathrust event. In this study, we discuss the potential impact of a tsunami generation scenario of a Mw = 8.5 rupture at the subduction interface using numerical modeling and high resolution bathymetric data within the framework of tsunami hazard assessment for Guadeloupe. Despite the fact that the mystery remains unresolved concerning the lack of historical tsunami data for the 1843 event, modeling results show that the tsunami impact is not uniformly distributed in the whole archipelago and could show important maximum wave heights. This is easily explained by the bathymetry and the presence of several islands around the main island leading to resonance phenomena, and because of the existence of a fringing coral reef partially surrounding Guadeloupe Island and its satellites. We then discuss the role of source parameters, the arrival times and the protective role of fringing coral reefs surrounding the islands, using tsunami modeling applied on two Guadeloupian touristic coastal places: Sainte-Anne and Saint-François

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Section: Introductionmentioning

confidence: 91%

Tsunami hazard assessment of Guadeloupe Island (F.W.I.) related to a megathrust rupture on the Lesser Antilles subduction interface

Roger

Dudon

Zahibo

2013

Nat. Hazards Earth Syst. Sci.

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“…The coral-reef system fronting most of the coastline of the Red Sea provides natural protection to the aquatic system. Its pronounced morphologic features protect coastal recreation facilities located behind the reef [9]. Egypt coastline possesses a significant proportion and considerable range of the coral reefs found in the Red Sea with about 3800 Km 2 of reef area [10].…”

mentioning

confidence: 99%

Assessment of Long Term Thermal Stress on Egyptian Coral Reefs Based on Remotely Sensed Sea Surface Temperature Data

Eladawy¹,

Nadaoka²,

Negm³

et al. 2015

IJESD

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Abstract-Red Sea tourism is highly dependent on the natural resources especially the diversity of Egyptian coral reefs. Local coral bleaching monitoring framework was applied in this study to investigate the threats. The target area included the six richest spots of coral reefs in terms of bio-diversity and tolerance to various stresses. Assessment of the applicability and accuracy of remotely sensed sea surface temperature (SST) data in the region were assessed by comparing them with in situ measurements. The annual and seasonal sea surface temperature (SST) trends have been investigated. Twenty three years (1990-2013) of SST data were used to assure accurate estimation of the monthly maximum mean (MMM) of SST Climatology. In addition, the Hot Spots were calculated for each location during last 23 years. A thermal stress index degree heating weeks (DHW) was calculated in order to assess the accumulative effect of heat stress. This work suggests the bleaching threshold limit for each location based on the long-term analysis. The thermal analysis results were in close agreement with the recorded bleaching events (2010 and 2012). Moreover, they revealed some historical events which may be not recorded properly.

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“…This has either been executed as a function of coastal erosion, or by variation of sea level or in an ecological and cultural context (Gornitz 1991;Liu 1997;Klein et al 1998;Frihy et al 2004). Coastal vulnerability indices are often used as management tools at different spatial scales (Kont et al 2003;Vafeidis et al 2004;Snoussi et al 2007).…”

Section: Evaluation Of Vulnerability To Sea Level Rise Impactsmentioning

confidence: 98%

Spatial assessment of sea level rise on Martinique’s coastal zone and analysis of planning frameworks for adaptation

Schleupner¹

2007

J Coast Conserv

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Accelerated sea level rise and hurricanes are increasingly influencing human coastal activities. With respect to the projected continuation of accelerated sea level rise and global warming one must count with additional expenses for adaptation strategies along the coasts. On the mountainous island Martinique the majority of settlements are situated along the coast almost at sea level. But potential rises in sea level and its impacts are not addressed in coastal management, even though saltwater intrusion and coastal erosion with increasing offshore loss of sediment are locally already a severe problem. At a sea level rise of 50 cm, one fourth of Martinique's coastline will be affected by erosion and one fifth of the islands surface will have high probability to get flooded during coastal hazards. This is a growth of 5% of the impact area in comparison to present conditions. This article analyses potential adaptation strategies and argues that the development of a coastal zone management plan considering sea level rise and its impact area is of utmost importance. Empirical assessment models in combination with spatial analysis are useful in obtaining statements about coastal impacts concerning sea level rise. This paper sees itself as recommendation of action not only for Martinique.

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The role of fringing coral reef in beach protection of Hurghada, Gulf of Suez, Red Sea of Egypt

Cited by 43 publications

References 5 publications

Tsunami hazard assessment of Guadeloupe Island (F.W.I.) related to a megathrust rupture on the Lesser Antilles subduction interface

Tsunami hazard assessment of Guadeloupe Island (F.W.I.) related to a megathrust rupture on the Lesser Antilles subduction interface

Assessment of Long Term Thermal Stress on Egyptian Coral Reefs Based on Remotely Sensed Sea Surface Temperature Data

Spatial assessment of sea level rise on Martinique’s coastal zone and analysis of planning frameworks for adaptation

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