Academic literature on the topic 'Plage sableuse'
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Journal articles on the topic "Plage sableuse"
Gzam, 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.
Full textCailleux, André. "Les formes et dépôts nivéo-éoliens actuels en Antarctique et au Nouveau-Québec." Cahiers de géographie du Québec 16, no. 39 (April 12, 2005): 377–409. http://dx.doi.org/10.7202/021079ar.
Full textDionne, Jean-Claude, Jean-Marie M. Dubois, and Pascal Bernatchez. "La terrasse Mitis à la pointe de Mille-Vaches (péninsule de Portneuf), rive nord de l’estuaire maritime du Saint-Laurent : nature des dépôts et évolution du niveau marin relatif à l’holocène." Géographie physique et Quaternaire 58, no. 2-3 (July 18, 2006): 281–95. http://dx.doi.org/10.7202/013143ar.
Full textDehouck, 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.
Full textClet-Pellerin, Martine, Stéphane Baize, Anne-Véronique Walter, Olivier Dugué, and Jean-Pierre Coutard. "Mise en évidence d’un interglaciaire du Pléistocène inférieur dans une formation fluviatile du Seuil du Cotentin (Normandie, France)." Palynologie et changements globaux : XIVe symposium de l’Association des palynologues de langue française 51, no. 3 (November 30, 2007): 363–78. http://dx.doi.org/10.7202/033136ar.
Full textDionne*, Jean-Claude. "Âge et taux moyen d’accrétion verticale des schorres du Saint-Laurent estuarien, en particulier ceux de Montmagny et de Sainte-Anne-de-Beaupré, Québec." Géographie physique et Quaternaire 58, no. 1 (June 26, 2006): 73–108. http://dx.doi.org/10.7202/013111ar.
Full textKhalid, El Khalidi, Bendahhou Zourarah, and Ahmed Aajjane. "Evolution recente de la morpholog e de delta de flot et son effet sur la dynamique hydro -sedimentair e de la lagune de Oualidia (côte atlantique, Maroc): approche par photographie aérienne." Estudos do Quaternário / Quaternary Studies, no. 7 (December 28, 2011): 73–78. http://dx.doi.org/10.30893/eq.v0i7.60.
Full textAmador, Elmo Da Silva. "Aspectos Ambientais Associados à Extração de Areias do Litoral do Estado do Rio de Janeiro: Praias e Restingas." Anuário do Instituto de Geociências 11 (January 1, 1987): 59–72. http://dx.doi.org/10.11137/1987_0_59-72.
Full textDionne, Jean-Claude, and Serge Occhietti. "Aperçu du Quaternaire à l’embouchure du Saguenay, Québec." Géographie physique et Quaternaire 50, no. 1 (November 30, 2007): 5–34. http://dx.doi.org/10.7202/033072ar.
Full textAllard, Michel. "Géomorphologie des eskers abitibiens." Cahiers de géographie du Québec 18, no. 44 (April 12, 2005): 271–96. http://dx.doi.org/10.7202/021195ar.
Full textDissertations / Theses on the topic "Plage sableuse"
Camenen, Benoît. "Modélisation numérique du transport sédimentaire sur une plage sableuse." Université Joseph Fourier (Grenoble), 2002. http://www.theses.fr/2002GRE10043.
Full textCampmas, Lucie. "Dynamique instantanée à décennale d'un système de plage sableuse soumis à des forçages extrêmes : île-barrière de Wan-Tzu-Liao, Taïwan." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS245/document.
Full textThis work focuses on a multi-scale analysis of a sand barrier morphodynamics exposed to paroxysmal forcings of monsoon, tropical storms, and typhoons. The study provided a large dataset of in-situ measures acquired in the framework of the KUNSHEN project. Seven months of field work (from November 2011 to January 2012 and from May to September 2012) provided a new, exhaustive and hight resolution measures. Measures of hydrodynamic conditions from offshore to the swash zone are acquired as well as high frequency topographic surveys of the emerged beach. Waves monitoring are from an offshore buoy, two current profilers in the shoreface (continuous measures at 2 Hz) and pressure sensors buried in the sub-aerial beach (continuous measures at 5 Hz). The topo-bathymetric surveys were acquired using D-GPS (centimetric resolution) one time a week during winter season of monsoon and just before and after each extreme storm during summer season of typhoons.Then, analysis focus in the morphodynamics of the swash zone and the emerged beach on a range of scales from instantaneous to one year. At the instantaneous scale, we analyze variations of the water surface fluctuation and sand bed elevation (seconds) during each phases (rising, apex and falling) of the Talim tropical storm (June 2012, Hs = 10.34 m and Ts = 14.6 s). Concerning the same storm, we characterize the morphologic changes of the whole emerged beach at the evenemential scale (days). Sand balances of each seasons are quantified in order to characterize the dynamics from seasonal scale (months) to annual scale of a sand barrier driven by two types of extreme forcings (monsoon/typhoons). On the beach-front, impact of groups of winter weak storms is compared to the impact of extremes tropical storms and typhoons. To conclude, we highlight 1) importance of in-situ measures in morphodynamic studies, 2) the major role of scales stacking and 3) the role of herited beach profile in the morphologic responses of the emerged beach driven by extremes forcings of wind and wave
Morellato, David. "Dynamique des plages sableuses soumises à l’action des vagues, de la marée et de rechargements artificiels." Brest, 2008. http://www.theses.fr/2008BRES2040.
Full textThe thesis studies the cross-shore hydrodynamic and hydro-sedimentary processes and related morphodynamics on dissipative sandy beaches, The selected method is based on the determinist numerical modelling which couples the hydrodynamic model FUNWAVE, based on the fully linear equations of Wei et al. , with two different sediment transport models and a module of morphological evolution. The first transport model, 1 DH, consists in including the method of calculation of near-bottom velocity proposed by Lynett and the sedimentary transport formula of Bailard. The second transport model, pseudo-2DV, is a series of vertical turbulence-closure models expressed in sigma-coordinated. The two versions are validated by experiments in laboratory (SmaIl Wave Tank in the fiat channel cf the LEGI in Grenoble and Delta Flume Large Wave Tank of Delft Hydraulics in The Netherlands) and in situ on the Pentrez beach in the bay of Douarnenez. The waves propagation and the vertical structure of velocities and suspended sediment concentrations are mainly well reproduced. The morphological evolution, like bar migration, is correctly reproduced. The 10H version, more stable and cheaper in computer time than the pseudo-2DV version, was applied to quantity the influence of the various parameters on morphology of plane beaches under the combined actions of waves and tide. Simulations fit with the descriptive model of Masselink and Short. This same 1 Dl version was applied to compute the behaviour of artificial nourishments. Preliminary, some practical recommendations are suggested
Caulet, Charles. "Les plages sableuses en environnement macro-tidal : de l'influence de la pente sur les processus morphodynamiques." Thesis, Brest, 2018. http://www.theses.fr/2018BRES0079/document.
Full textThis PhD work is focused on the morphodynamic of a pocket beach, located in a macrotidal environment. The beach type is intermediate, with a low tide terrace. The study is based on in situ observations, collected during field campaigns organized during the PhD. The objective is to characterize the beach slope impact on hydrodynamics processes and beach morphology. The water levels dynamic, infragravity waves propagation and turbulence generation in the swash zone, are examined and linked to the beach slope variability.The empirical formulations proposed in the literature show large under-estimations of water levels in the site. Empirical formulations adapted to the beach are proposed.The characteristic break slope presents along the cross-shore profile of low tide terrace beaches is studied. The variability of the break slope location is relevant to explain the short term accommodation of the beach. Under incident wave energy, the location of the beach slope moves shoreward, allowing higher wave dissipation by the low tide terrace. Nevertheless, the reflective part is reduced, which leads to a vulnerable state of the upper beach under strong forcing associated with high tide. The location of the beach slope is found to be a good indicator of the beach vulnerability under a given wave forcing. It provides valuable information in the globalized beach erosion context
Morellato, David. "Dynamique des plages sableuses soumises à l'action des vagues, de la marée et des rechargements artificiels." Phd thesis, Université de Bretagne occidentale - Brest, 2008. http://tel.archives-ouvertes.fr/tel-00380212.
Full textArnaud, Gaël. "Mesures locales des variations bachymétriques et des propriétés du sol en zone de surf." Pau, 2010. http://www.theses.fr/2010PAUU3036.
Full textEvolution of sandy coastline results predominantly of sediment transport processes in the surf zone. Thus, monitoring sediment levels in this area is crucial both for understanding the mechanisms involved and for the supervision of marine structures. However monitoring this area can be tricky because of energy conditions and the global dynamic of this area. The thesis presented here was conducted in order to develop and implement a new measurement system based on an electrical method of bed level detection. The system is made of a ramp of electrodes mounted on a supporting pole that is buried in the sediment. The resistivity contrast between the sediment and the water is then used to differentiate both mediums. A theoretical study as been made in order to optimize the electrode configuration. Then numerical simulations and laboratory tests have been performed to confirm theoretical behavior of the measurement. The system was then submitted to real conditions testing during field experiment. Analysis of these data have provided informations on sediment level changes over several tidal cycles, presenting an original approach of the sediment water interface under dynamic conditions. Finally, the way of using resistivity measurements to assess the evolution of porosity in the first centimeters of sediment layer is analyzed, pointing out limitations and suggesting improvements of the instrument
Jaud, Marion. "Techniques d'observation et de mesure haute résolution des transferts sédimentaires dans la frange littorale." Phd thesis, Université de Bretagne occidentale - Brest, 2011. http://tel.archives-ouvertes.fr/tel-00650953.
Full textDubarbier, Benjamin. "Modélisation numérique de l'évolution des profils de plages sableuses dominées par l'action de la houle." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0365/document.
Full textSandbars are ubiquitous patterns along wave-dominated sandy coastlines and are key elementsin the global evolution of beaches. Cross-shore sandbar migrations are the result of the permanentimbalance between sediment flux driven by wave non-linearity and mean return current. In this thesis,we developed a new process-based beach profile model integrating the recent scientific advancesin term of hydrodynamics and sediment transport developed for beach morphodynamics. The lowcomputing time allows for long-term morphodynamic simulations (O months/years) of natural beachprofiles of diverse characteristics (beach slope, sediment grain size or type of wave breaking). Modelvalidations on several data sets, encompassing natural and experimental beach profile evolutions,highlight the respective contribution of the main hydrodynamic and sediment transport processesinvolved in specific cross-shore sandbar evolution relative to various wave conditions. Finally, all thecross-shore physical processes were integrated in a 2DH morphodynamic model, resulting for the firsttime in the simulation of a quasi-complete down state sequence showing alongshore bar generationwith subsequent spontaneous formation of transverse bar and rip morphology. These very encouragingresults pave the way for using this model to simulate 3-Dimensional evolutions of natural beachesforced by irregular wave conditions
Oblinger, Arnaud. "Caractérisation morphodynamique des sites de Malo-les-Bains et de Calais Hoverport, Nord de la France : Spécificités de deux sites macrotidaux originaux du sud de la Mer du Nord." Littoral, 2008. http://www.theses.fr/2008DUNK0236.
Full textSeries of hydrodynamic and morphological readings have been carried out on the beaches of Malo-Les Bains and Calais Hoverport between 2004 and 2007. These readings have been backed up with monthly topometric surveys in order to understand the morphodynamic behaviour of two macrotidal beaches, which stand out in the area because of their relative stability despite an ever-rising sea level. Malo-Les Bains is heavily anthropised – it is set against a dam and is protected by a breakwater. The latter is responsible for ridges and runnels, which contrast with the rest of the area because of the smooth aspect of this morphology. Calais-Hoverport is a typical accreting beach. It has a vast sandy platform with convex ridges and runnels on the seaside and accreting dunes on the eastside. The hydrodynamic readings we carried out led to an analysis of swells and medium currents and how their behaviour was influenced by weather conditions. Like other local beaches, the prevailing easterly current may be forced to change to the opposite direction under certain weather conditions. However, we highlighted features that are specific to our two sites such as stronger currents and swelles behind the breakwater, especially with westerly currents, or, in the case of Calais-Hoverport, currents oscillating between West at the top and bottom of the tide and East the rest of the time. We have also tried to evaluate the theoretical speed of currents required to move sediments. Our calculations show that only longshore currents are able to generate such currents for a significant time. In Malo-Les Bains, these easterly currents, with a N to NW forcing might reach their maximal speed towards the W. The same forcing phenomenon occurs in Calais, where those currents can only head East. Various topometric readings enabled us to establish the morphological changes to the beach determined by the weather and swell. It appears that both the building up and destruction of ridges are linked to strong energy conditions
Faye, Ibrahima Birame Ndébane. "Dynamique du trait de côte sur les littoraux sableux de la Mauritanie à la Guinée-Bissau (Afrique de l’Ouest) : approches régionale et locale par photo-interprétation, traitement d’images et analyse de cartes anciennes." Brest, 2010. http://www.theses.fr/2010BRES1001.
Full textThis PhD Thesis on shoreline changes in western African sandy coasts from Mauritania to Guinea Bissau is a contribution to the “Prospective review of the long-term coastal environment changes in western Africa”, scientific research component of the Regional Coastal and Marine Conservation Program for West Africa (PRCM). Its main objective was to highlight and measure erosion and accumulation processes occurred over several decades on the sandy shores from Mauritania to Guinea Bissau at regional and local scales. The comparison of the instantaneous waterline and the vegetation line positions extracted from multi temporal Landsat images by density slicing or classification with the ISODATA algorithms indicates a regional progradational trend of highly mobile coastal forms like sandy spits, small islands and beach barrier associated with the estuarine systems from Senegal to Guinea Bissau in spite of localized erosion cases. The local analysis focuses on four sites located along the Mauritanian and Senegalese shoreline (Nouakchott area, Ndiago - Saint-Louis, Bargny - Yene-sur-mer, Mbour - Pointe Sarène) and approximately stretching over 67km. It is primarily based on digital processing and interpretation of aerial images in a GIS. Thereby the study of the spatial and temporal evolution of the position of selected shoreline indicators (high water line or upper beach limit) reveals that 47km (70 %) of the studied coastline are eroding and only 20 km (30 %) are prograding
Conference papers on the topic "Plage sableuse"
Spielmann, Karine, Dominique Astruc, and Olivier Thual. "Modèle numérique d'évolution du profil d'une plage sableuse." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 1998. http://dx.doi.org/10.5150/jngcgc.1998.015-s.
Full textCamenen, Benoît, Rodrigo Pedreros, Hélène Dupuis, Hélène Howa, and Philippe Larroudé. "Modélisation numérique du transport sédimentaire sur une plage sableuse." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2000. http://dx.doi.org/10.5150/jngcgc.2000.020-c.
Full textDesmazes, Franck, Denis Michel, Thierry Garlan, and Hélène Howa. "Caractérisation d’une barre sableuse de haut de plage : la berme de la plage du Truc Vert, Gironde." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.039-d.
Full textBIAUSQUE, Mélanie, Nadia SENECHAL, and Adeline BARRE. "Réponse d’une plage sableuse aux événements de tempête : variabilité longshore et impacts d’ouvrages." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2016. http://dx.doi.org/10.5150/jngcgc.2016.019.
Full textBIAUSQUE, Mélanie, and Nadia SENECHAL. "Evolutions morphodynamiques d’une plage sableuse ouverte lors d’évènements énergétiques : tempêtes isolées versus clusters." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2018. http://dx.doi.org/10.5150/jngcgc.2018.022.
Full textDUBARBIER, Benjamin, Bruno CASTELLE, Florent BIRRIEN, Vincent MARIEU, and Gerben RUESSINK. "Modélisation de l'évolution des profils de plage sableuse sur plusieurs mois et apports de l’assimilation de données." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.027-d.
Full textSabatier, François, Olivier Samat, Mohamed Chaibi, Adrien Lambert, and Frédéric Pons. "Transport de la dune à la zone de déferlement sur une plage sableuse soumise à des vents de terre." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.025-s.
Full textAlmar, Rafael, Nadia Senechal, and Giovanni Coco. "Estimation vidéo haute fréquence de la topographie intertidale d’une plage sableuse. Application à la caractérisation des seuils d’engraissement et d’érosion." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2008. http://dx.doi.org/10.5150/jngcgc.2008.048-a.
Full textGERVAIS, Mathieu, Philippe RICHARD, Hugues HEURTEFEUX, Delphine BOULET, Michel MOUYSSET, Pierre LOUBET, Stéphanie GAUTHIER, and Provence LANZELLOTTI. "Rétroactions entre la dynamique sableuse de la plage et l'efficacité des ganivelles pour la protection et le développement du cordon dunaire de Torreilles (66)." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2020. http://dx.doi.org/10.5150/jngcgc.2020.026.
Full textGrasso, Florent, Eric Barthelemy, Raphaël Certain, and Hervé Michallet. "Etudes expérimentales des profils cross-shore de plages sableuses." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2008. http://dx.doi.org/10.5150/jngcgc.2008.009-g.
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