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| Besset, Manon; Gratiot, Nicolas; Anthony, Edward J.; Bouchette, Frédéric; Goichot, Marc; Marchesiello, Patrick. |
| The question of the rampant erosion of the shorelines rimming the Mekong River delta has assumed increasing importance over the last few years. Among issues pertinent to this question is how it is related to mangroves. Using high-resolution satellite images, we compared the width of the mangrove belt fringing the shoreline in 2012 to shoreline change (advance, retreat) between 2003 and 2012 for 3687 cross-shore transects, spaced 100 m apart, and thus covering nearly 370 km of delta shoreline bearing mangroves. The results show no significant relationships. We infer from this that, once erosion sets in following sustained deficient mud supply to the coast, the rate of shoreline change is independent of the width of the mangrove belt. Numerous studies have... |
| Tipo: Text |
Palavras-chave: Mangroves; Mekong river delta; Shoreline erosion; Coastal squeeze; Sediment supply. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00505/61617/65645.pdf |
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| Labaune, Caroline; Jouet, Gwenael; Berne, Serge; Gensous, B; Tesson, M; Delpeint, Arnaud. |
| In order to achieve a synthesis of the stratigraphic organization of the Deglacial deposits of the inner/middle shelf in front of the Rhone delta plain, we merged high resolution (Mini-sparker and Sparker), and very high resolution (chirp and mudpenetrator) seismic data into a single seismic database. Thus, the merged seismic database improves the lateral correlation between eastern and western parts, separated by the Rhone Incised Valley deposits. As a result the interpretation of seismic units in relation to local and global environmental changes was refined. The Deglacial deposits rest on a basal erosional discontinuity capping a complex of Pleistocene prograding wedges. The identified units make up Transgressive and Highstand Systems Tracts, and are... |
| Tipo: Text |
Palavras-chave: Sediment supply; Glacio eustacy; Seismic stratigraphy; Deglacial deposits; Rhone shelf. |
| Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/publication-1364.pdf |
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