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Статті в журналах з теми "Morphodynamique du littoral"
Dehouck, Aurélie, Virginie Lafon, Nadia Sénéchal, Jean-Marie Froidefond, Rafael Almar, Bruno Castelle, and Nadège Martiny. "Evolution morphodynamique interannuelle du littoral sud de la Gironde." Revue Française de Photogrammétrie et de Télédétection, no. 197 (April 22, 2014): 31–42. http://dx.doi.org/10.52638/rfpt.2012.82.
Повний текст джерелаTexier, Jean‑Pierre, Jean‑Paul Raynal, David Lefèvre, and Jean‑Pierre Daugas. "Le site néolithique de Rouazi à Skhirat (Maroc) : contexte stratigraphique et évolution morphodynamique de son environnement littoral." Quaternaire, no. 19/3 (September 1, 2008): 239–47. http://dx.doi.org/10.4000/quaternaire.4252.
Повний текст джерелаKhouaja, Soukaina, Mohamed Ouadia, and El Mehdi Irzan. "Fonctionnement De La Plage d’El Jadida (Côte Atlantique Marocaine) : Apport De L’étude Morphodynamique, Sédimentologique, Minéralogique Et De L’action Anthropique." European Scientific Journal, ESJ 12, no. 18 (June 29, 2016): 93. http://dx.doi.org/10.19044/esj.2016.v12n18p93.
Повний текст джерелаGzam, Maher, Mohamed Faouzi Zagrarni, and Youneso Jedoui. "Interaction morphodynamique d’une plage sableuse dans une conjoncture d’élévation du niveau marin ; exemple du littoral de Trab el Makhadha dans le golfe de Gabes-Tunisie." La Houille Blanche, no. 3 (June 2013): 21–29. http://dx.doi.org/10.1051/lhb/2013021.
Повний текст джерелаSeck, Mouhamadou Bassirou, and Boubou Aldiouma Sy. "Potentiels agronomiques des Niayes de Mboro (littoral Nord du Sénégal) et risques de dégradation mécanique par ensablement : approche par analyse géomorphologique des enjeux socio-économiques." European Scientific Journal ESJ 17, no. 20 (June 30, 2021). http://dx.doi.org/10.19044/esj.2021.v17n20p140.
Повний текст джерелаДисертації з теми "Morphodynamique du littoral"
Sadio, Mamadou. "Morphodynamique et aménagement des flèches littorales de la côte du Sénégal." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0539.
Повний текст джерелаThis thesis is a study of the morphology and morphosedimentary processes that determine the formation, dynamics and evolution of the sand spits characterizing the wave-dominated coast of Senegal. The thesis insists on the singularity of the coast of Senegal, the numerous spits of which provide a contrast with the sandy coasts of West Africa that are characterized by massive beach-ridge complexes. These spits are constructed by longshore drift but little is known of their dynamics, notably sand supply patterns, the way sand is redistributed alongshore, the relationship between these spits and river and tidal flux at the river mouths or lagoon inlets they divert, and the conditions that favour spit breaching, a mechanism that has important implications for coastal management. Using an approach that combines remote sensing, field experiments aimed at acquiring high-resolution topometric and hydrodynamic data, and conceptual models, spits characterized by free drift are distinguished from those with limited elongation, and the mechanisms pertinent to each type and to spit lengthening and recurves are analyzed. These morphodynamic aspects also include a scrutiny of the relationship between these spits and the river mouths they divert, especially that of the Senegal River delta. The spits of the coast of Senegal play an important role in coastal protection and in the management of the river mouths. They are also an essential element in sand drift along this coast. Coastal zone management plans regarding these spits and their associated river mouths need to consider more closely how these spits work and the conditions that can lead to their breaching
Saint-Cast, Frédéric. "Modélisation de la morphodynamique des corps sableux en milieu littoral." Bordeaux 1, 2002. http://www.theses.fr/2002BOR12462.
Повний текст джерелаJeanson, Matthieu. "Morphodynamique du littoral de Mayotte - Des processus au réseau de surveillance." Phd thesis, Université du Littoral Côte d'Opale, 2009. http://tel.archives-ouvertes.fr/tel-00449987.
Повний текст джерелаJeanson, Matthieu. "Morphodynamique du littoral de Mayotte : des processus au reseau de surveillance." Littoral, 2009. https://tel.archives-ouvertes.fr/tel-00449987.
Повний текст джерелаMayotte Island is characterised by a vast reef-lagoon complex comprising significant mangrove development. Several field experiments involving hydrodynamic measurements, topographic surveys, and observations were coupled with the analysis of aerial photographs in order to gain a better understanding of the evolution of the reef-lagoon complex and of the morphodynamic interactions. The results highlight a remarkably variable mangrove system subject to progression or stability in the north and east of the island, but exhibiting a clearly regressive pattern along the southern and western shores. The hydrodynamic data acquired during the field experiments clearly bring out the spatial and temporal variations in wave and mean current patterns involved in these differences. These data also throw light on the short-term morphodynamics of the small pocket beaches associated with some of these mangroves. The degree of exposure to waves, and reef structure, notably in terms of width and elevation relative to the tidal frame, have a determining influence on the afore-mentioned variations in mangrove dynamics along the shores of the island, and in the greater vulnerability of the mangrove shores of the south and west of the island, especially in the face of strong impinging development pressures. The extermination of these mangrove systems leads to a reorganisation of the sediment stocks and the emergence of new shoreline morphodynamic patterns. These changes have necessitated the construction of an operational observatory aimed at monitoring the coastal dynamics. This tool is based on a network sourced by the measurements and field observations integrated into a GIS
Michel, Denis. "Evolution morphodynamique d'un littoral sableux situé à l'aval d'une embouchure lagunaire." Bordeaux 1, 1997. http://www.theses.fr/1997BOR10504.
Повний текст джерелаAlmar, Rafael. "Morphodynamique littorale haute fréquence par imagerie vidéo." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13840/document.
Повний текст джерелаThis thesis presents a study on short term (day to month) beach dynamic. Until the emergence of video systems, and despite its major role, this dynamic remained mainly unknown due to the lack of a suited observation technology. The new possibilities allowed by video imagery, comprising high-frequency observation, are revolutionary. In this thesis, a tool is introduced that, from the measure of nearshore hydrodynamics, estimates accurately nearshore topography for a large area (km) and at high frequency (day). This thesis shows that nearshore sand features interact and cannot be studied in isolation. We show that sand features dynamic can be dominantly non-uniform in the longshore direction, even for large waves. This dynamic is crucial because it contributes to cross-shore sand exchanges. For a double-barred beach, more than wave height, tidal range variations drive inner bar dynamic during stormy conditions. Our results suggest that a large part of the beach temporal variability is short term
BOSSER, KARINE. "Evolution morphodynamique du littoral nord martiniquais soumis a l'alea cyclonique l'exemple de grand'riviere." Université Louis Pasteur (Strasbourg) (1971-2008), 1998. http://www.theses.fr/1998STR1GE04.
Повний текст джерелаProcesses generating beach and shoreface evolution on the grand'riviere coast (french west indies) under cyclonic hazard have been analysed at different time scales. Erosion and accretion areas and erosional factors have been established at the scale of 45 years. On two years (1995-1997), field experiments (wave characteristics, longshore current velocity, bathymetric and topographic surveys) have been conducted at different time scales. Sediment budgets have been established and have shown the importance of trade wind intensification episod at the daily scale (-2400 m3 of sediments). During 3 or 4 days of storm, total eroded volume of sediments is about 8400 m3, which represents -42000 m3 at the scale of one dry season. In spite of erosion caused by trade wind intensification episods, sediment budget for a dry season and during two years are nearly balanced (-1100 m3 and +500 m3). Without extreme hurricane, this analysis reveals that the influence of moderate hurricanes on the long-term (2 yr) sediment balance is weak. Numerical simulation have been carried out to organize climatic events into a hierarchy based on intensity. At the scale of the climatic event, a trade wind intensification event has an erosive power upper than moderate hurricane. But for extreme events, numerical simulations have shown that hurricanes are the major events responsible of the long term evolution of these microtidal coasts
Stépanian, Alexis. "Evolution morphodynamique d'une plage macrotidale à barres : Omaha beach (Normandie)." Phd thesis, Université de Caen, 2002. http://tel.archives-ouvertes.fr/tel-00003997.
Повний текст джерелаMarie, Guillaume. "L'évolution des formes et de la morphodynamique en domaine littoral volcanique : recherches dans l'archipel d'Hawaï." Phd thesis, Université de Bretagne occidentale - Brest, 2004. http://tel.archives-ouvertes.fr/tel-00010123.
Повний текст джерелаLe recul par genèse de grottes et d'arches est également courant, entraînant une irrégularisation longitudinale du trait de côte avant sa simplification. La formation de gradins par délogement latéral élabore une plate-forme en escalier. Des banquettes d'érosion marine de haute mer, en partie structurales, peuvent aussi être façonnées, mais elles sont rapidement immergées par l'élévation du niveau relatif de la mer consécutive à la subsidence volcano-isostasique. Sur le long terme, les glissements de terrain deviennent plus fréquents sur les grandes falaises plus anciennes.
Les formes de détail se développent également sur ces littoraux ayant subi une plus longue évolution. Lorsque les conditions sont favorables, des formes d'alvéolisation peuvent néanmoins être façonnées rapidement, notamment lorsque la texture plus résistante de la croûte superficielle permet la mise en surplomb. Les processus de météorisation semblent être confinés au niveau des discontinuités de la roche. Leur efficacité différenciée selon la durée d'émersion, notamment celle de l'haloclastie, façonne des plates-formes à rempart externe initiées à partir de banquettes d'origine eustatique.
Marie, Guillaume. "L'évolution des formes et de la morphodynamique en domaine littoral volcanique : recherches dans l'archipel d'Hawai /." [S.l.] : [s.n.], 2004. http://catalogue.bnf.fr/ark:/12148/cb41263291m.
Повний текст джерелаТези доповідей конференцій з теми "Morphodynamique du littoral"
EL MOUTCHOU, Brahim, Latifa EL FADEL, and Khalil EL HAJJAJI. "Evolution morphodynamique et morphosédimentaire du littoral méditerranéen de Oued Laou (Tétouan, Maroc)." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2011. http://dx.doi.org/10.5150/cmcm.2011.034.
Повний текст джерелаDesmazes, Franck, Denis Michel, Hélène Howa, and Rodrigo Pedreros. "Etude morphodynamique du domaine pré-littoral nord aquitain, site atelier du Truc-Vert." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2002. http://dx.doi.org/10.5150/jngcgc.2002.016-d.
Повний текст джерелаJESTIN, Camille, Nicholas GRUNNET, Sten Esbjørn KRISTENSEN, and Nicolas FORAIN. "Modélisation morphodynamique à long terme pour la gestion sédimentaire du littoral portuaire dunkerquois." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2016. http://dx.doi.org/10.5150/jngcgc.2016.024.
Повний текст джерелаCapo, Sylvain, Stéphane Bujan, Jean-Paul Parisot, Nadia Senechal, and Thomas Goriou. "Evolution morphodynamique d’une plage du littoral aquitain : la plage du Truc Vert en Gironde, France." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2008. http://dx.doi.org/10.5150/jngcgc.2008.004-c.
Повний текст джерелаAIT LEMQEDDEM, Khadija, Hajer BENJILANI, and Brahim DAMNATI. "Evolution morphodynamique du trait de côte à Saïdia et à Al Hoceima sur le littoral méditerranéen Marocain." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2017. http://dx.doi.org/10.5150/cmcm.2017.001.
Повний текст джерелаDUPONT, Ronan, Frederic BOUCHETTE, Bijan MOHAMMADI, and Damien SOUS. "OptiMorph : un modèle de morphodynamique du littoral par principe de minimisation. Analyse de sensibilité en 1D et application multi-1D." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2022. http://dx.doi.org/10.5150/jngcgc.2022.034.
Повний текст джерела