Clients reviews on the web : toward a new knowledge of touristic space. Case of Djerba in Tunisia

Neifar, Bassem

doi:10.4000/ctd.944

ctd

2016

DOI: 10.4000/ctd.944

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Clients reviews on the web : toward a new knowledge of touristic space. Case of Djerba in Tunisia

Bassem Neifar¹

Abstract: Communication, technologies et développement 3 | 2016Le développement au risque de l'information Clients reviews on the web : toward a new knowledge of touristic space. Case of Djerba in Tunisia Avis des clients sur le web : vers une nouvelle connaissance de l'espace touristique. cas de Djerba en Tunisie Los comentarios de los clientes en la red : hacia un nuevo conocimiento del espacio turístico. caso de dDerba en Túnez

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Shoreline retreat and beach nourishment are projected to increase in Southern California

Amrouni,

Heggy,

Hzami

2024

Commun Earth Environ

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Sandy beaches in Southern California are experiencing rising coastal erosion due to changes in precipitation patterns and urban growth. As a result, beach nourishment is necessary for mitigation. In our study, we forecast the rates of shoreline retreat and the required volumes of sand nourishment to mitigate it for the coming decades. We employ photogrammetric multi-decadal shoreline positioning and Digital Shoreline Analysis System methods to measure and predict the coastal evolution of the Gulf of Santa Catalina in Southern California. This region is hypothesized to be globally representative of other semi-arid sandy coasts facing similar hydroclimatic and anthropogenic challenges. Our findings indicate that Southern California’s shoreline retreat rates for sandy beaches will increase from the present average value of ~−1.45 to −2.12 meters per year in 2050 and to −3.18 meters per year in 2100. Consequently, the annual volume of sand required for beach nourishment could triple by 2050, increasing from the present-day amount of ~1223 to ~3669 cubic meters per year per kilometer. However, the associated cost for this nourishment will grow five times, exacerbating several coastal communities’ economic and logistical pressures. Similar trends are emerging globally, with semi-arid developing nations already grappling with coastal hazards and may struggle to manage the escalating costs of curbing beach nourishment.

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Shoreline retreat and beach nourishment are projected to increase in Southern California

Amrouni,

Heggy,

Hzami

2024

Commun Earth Environ

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Clients reviews on the web : toward a new knowledge of touristic space. Case of Djerba in Tunisia

Cited by 1 publication

References 2 publications

Shoreline retreat and beach nourishment are projected to increase in Southern California

Shoreline retreat and beach nourishment are projected to increase in Southern California

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