Coastal progradation in response to the recent sea level rise: a case study of El Grine coast, Gulf of Gabes (Southeastern Tunisia)

Over the last 30 years El Grine coast recorded significant morphological changes leading to the shoreline progradation. Diachronic coastal evolution, through a set of satellite images data, supported by sedimentologic analysis of five sand cores have been applied to elucidate tidal flat reaction fol...

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Bibliographic Details
Published inArabian journal of geosciences Vol. 6; no. 12; pp. 5007 - 5016
Main Authors Gzam, Maher, Serbaji, Mohamed Moncef, Ouaja, Mohamed, Jedoui, Younes
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.12.2013
Subjects
Earth and Environmental Science
Earth Sciences
Original Paper
MED, Tunisia
Forced regression
Salt marsh
Progradation
Tunisia
Sandy barrier
Gulf of Gabes
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Summary:Over the last 30 years El Grine coast recorded significant morphological changes leading to the shoreline progradation. Diachronic coastal evolution, through a set of satellite images data, supported by sedimentologic analysis of five sand cores have been applied to elucidate tidal flat reaction following the recent sea level rise. We found that an emerging sandy barrier and salt marsh domain were shaped by the local hydro-sedimentary processes. The marine sediments, mobilised by wave and tide currents, have been the sole sedimentary source. Recent sandy accumulations, occurred around 1987, have been able to balance a recent sea level rise. While during a mid-Holocene period, El Grine coast was governed by net erosion tendency inducing cliff recession.
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ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-012-0713-4