Tesis sobre el tema "Variations relatives du niveau marin"
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Arhan, Damien. "Dynamiques des lignes de rivage et occupation humaine dans l'émirat d'Abu Dhabi à l'Holocène". Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUL114.
Texto completoThe coastlines of Abu Dhabi, and more broadly, those of the Arabian Gulf, have played a major role in the development of human populations during the Holocene. At the same time, these environments appear to be highly vulnerable. In addition to being subject to regional climatic variations, they have also been heavily influenced by shoreline mobilities, partially controlled by sea-level fluctuations. Studying these fluctuations is therefore essential for reconstructing the paleogeographic evolution of the coasts upon which societies depended. This thesis presents a synthesis of these variations and associated paleoenvironmental changes, supported by the contribution of new fieldwork results, a review of previously published research and modelling work based on the creation of Sea-Level Index Points, both in Abu Dhabi and across the entire southern shore of the Gulf. Adopting a geoarchaeological approach, the study integrates archaeological data to replace archaeological sites within their paleoenvironmental context. Despite relatively small metric variations, the results indicate significant impacts on shoreline morphology, marked by very low elevations. They also enable archaeological maps to be put into perspective. Lastly, they confirm the existence of relative sea-level variations resulting from landmass uplift and subsidence. The identified trajectories reveal substantial regional disparities and underscore the complexity and interplay of isostatic, neotectonic and diapiric mechanisms
Ortlieb, Luc. "Néotectonique et variations du niveau marin au quaternaire dans la région du golfe de Californie, Mexique". Aix-Marseille 2, 1986. http://www.theses.fr/1986AIX22056.
Texto completoOrtlieb, Luc. "Néotectonique et variations du niveau marin au Quaternaire dans la région du golfe de Californie, Mexique /". Paris : Ed. de l'ORSTOM, 1987. http://catalogue.bnf.fr/ark:/12148/cb349546004.
Texto completoOrtlieb, Luc. "Néotectonique et variations du niveau marin au quaternaire dans la région du Golfe de Californie, Mexique". Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37600269w.
Texto completoCORBIN, JEAN-CHRISTOPHE. "Evolution geochimique du jurassique du sud-est de la france : influence des variations du niveau marin et de la tectonique". Paris 6, 1994. http://www.theses.fr/1994PA066831.
Texto completoSartoretto, Stéphane. "Vitesses de croissance et de bioérosion des concrétionnements coralligènes de Méditerranée nord-occidentale : relation avec les variations holocènes du niveau marin". Aix-Marseille 2, 1996. http://www.theses.fr/1996AIX22026.
Texto completoLachenal, Anne-Marie. "Ecologie des ostracodes du domaine méditerranéen : application au golfe de Gabès (Tunisie orientale) : les variations du niveau marin depuis 30 000 ans". Lyon 1, 1988. http://www.theses.fr/1988LYO10037.
Texto completoEbren, Philippe. "Impact des variations rapides du niveau marin sur le développement des atolls au quaternaire : Mururoa (Polynésie française). Dynamique récifale et diagenèse des carbonates". Aix-Marseille 1, 1996. http://www.theses.fr/1996AIX11079.
Texto completoGarcia, Jean-Pierre. "Les variations du niveau marin sur le bassin de Paris au Bathonien-Callovien : impacts sur les communautés benthiques et sur l'évolution des ornithellidés (Terebratellidina)". Dijon, 1992. http://www.theses.fr/1992DIJOS060.
Texto completoGarcia, Jean-Pierre. "LES VARIATIONS DU NIVEAU MARIN SUR LE BASSIN DE PARIS AU BATHONIEN-CALLOVIEN. IMPACTS SUR LES COMMUNAUTÉS BENTHIQUES ET SUR L'ÉVOLUTION DES ORNITHELLlDÉS (TEREBRATELLIDINA)". Phd thesis, Université de Bourgogne, 1992. http://tel.archives-ouvertes.fr/tel-00664782.
Texto completoColonna, Michel. "Chronologie des variations du niveau marin au cours du dernier cycle climatique (0-140 000 ans) dans la partie sud occidentale de l'océan Indien". Aix-Marseille 1, 1994. http://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/H/Colonna_1994.pdf.
Texto completoGarcia, Jean-Pierre. "Les variations du niveau marin sur le bassin de Paris au bathonien-callovien : impacts sur les communautés benthiques et sur l'évolution des ornithellidés (Terebratellinida) /". Dijon : Centre des sciences de la Terre, 1993. http://catalogue.bnf.fr/ark:/12148/cb35687818q.
Texto completoFauvelot, Cécile. "Influence des caractéristiques biologiques et historiques des espèces sur la structuration d'une métapopulation en milieu fragmenté insulaire : exemple des poissons coralliens en Polynésie française". Paris 6, 2002. http://www.theses.fr/2002PA066137.
Texto completoHuault, Vincent. "Recherches palynologiques dans le Dogger de la bordure sud-est du bassin de Paris : palynostratigraphie, analyse de l'évolution des assemblages microfloristiques et confrontation avec les variations du niveau marin relatif". Dijon, 1994. http://www.theses.fr/1994DIJOS077.
Texto completoGréselle, Benjamin. "impact des variations paléoclimatiques sur la sédimentation carbonatée au Valanginien". Phd thesis, Université Claude Bernard - Lyon I, 2007. http://tel.archives-ouvertes.fr/tel-00275099.
Texto completoCampeau, Stéphane. "Diatomées des milieux côtiers actuels et tardi-holocènes de la mer de Beaufort, distribution des assemblages modernes, développement d'un modèle numérique de reconstitution des variations du niveau marin relatif et biostratigraphie". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0001/NQ39341.pdf.
Texto completoCosta, Stéphane. ""Dynamique littorale et risques naturels" : L'impact des aménagements, des variations du niveau marin et des modifications climatiques entre la baie de Seine et la baie de Somme (Haute-Normandie, Picardie ; France)". Paris 1, 1997. http://www.theses.fr/1997PA010522.
Texto completoThe increase of natural hazard on the shore of normandy and picardy, for the last twenty years is due to several combined factors : - a long-term regressive dynamics of the coastline, which seems obvious for an ablation coast. – A progressive depletion of the pebble-stocks, even intensified by man’s action. – A positive fluctuation of the frequency and intensity of the paroxysmal meteo-oceanographic conditions, more especially of the NW winds, between 1975 and 1990. The adaptive reaction’s of the environment to a possible sea-level rise and/or to a change in the storm characteristics are still to be clarified. However, in coming years, the eroding hazard areas may not be the same as to day’s due to a change in the deposits of sediments. The only effect of a possible 0,4 m sea level rise should be on the frequency of storm floods
Mauffrey, Marie-Aline. "Impact des variations du climat et du niveau marin sur les canyons sous-marins du Golfe du Lion (France) et de la marge de l'Ebre (Catalogne) au cours du Plio-Quaternaire". Thesis, Perpignan, 2015. http://www.theses.fr/2015PERP0047/document.
Texto completoClimate and sea-level changes with various magnitudes control continental erosion, sediment transport and its delivery to the deep basin. Submarine canyons, that are erosional features at a first glance, are conduits for sediment transport from the continental shelf to the deep sea. Little studies focused on the relationship between canyon infill, sediment delivery and sea-level variations. The chronology of canyon development and evolution through geological time remains speculative. This thesis is dedicated to the understanding of the genesis of submarine canyons in the western Mediterranean Sea during the Plio-Quaternary. This period occurred after the major erosion of Mediterranean continental margins during the Messinian Salinity Crisis. Canyons were initiated by retrogressive erosion during the Pliocene. They further developed in relation with the amplification of sea-level changes during the Quaternary (up to 150 m). The results are based on a large range of 2D and 3D seismic data resolution and chrono-stratigraphic constraints. The stratigraphic signature of Milankovitch (mainly 100 and 40 ka) is revealed within canyon heads. Rapid climate and sea-level changes (Bond Cycles) have also a distinct signature by controlling the type and amount of sediment delivered in canyon heads, and the connection/disconnection with fluvial systems
Lasseur, Eric. "La Craie du Bassin de Paris (Cénomanien-Campanien, Crétacé supérieur). Sédimentologie de faciès, stratigraphie séquentielle et géométrie 3D". Phd thesis, Université Rennes 1, 2007. http://tel.archives-ouvertes.fr/tel-00350422.
Texto completoBilly, Julie. "Morphologie et architecture d'une barrière composite paraglaciaire : l'isthme de Miquelon-Langlade (N- O Atlantique)". Thesis, Perpignan, 2014. http://www.theses.fr/2014PERP1214/document.
Texto completoThe purpose of this PhD thesis was to define a complete and continuous sea-land-sea view of a paraglacial coastal barrier system, combining morphological and architectural approaches. Particularity of the Miquelon-Langlade isthmus (NO Atlantic) lies in its diversity and complexity of systems (spits, beach ridges, and lagoon) that fit together to form a composite barrier prograding along two open coasts. Investigations of this barrier included topographic (RTK-GPS), ground-penetrating radar (GPR) seismic, sedimentary (cores, augers, samples) and chronologic (OSL) data collections. This study of this paraglacial composite barrier make possible 1) to characterize all deposits of the paraglacial sequence (FSST, LST, TST, HST); 2) to emphasize the primary influence of islands geometry, bedrock and inherited topography on the coastal progradational pattern; 3) to provide a better understanding of the internal architecture of depositional processes and driving mechanisms of mixed sand-and-gravel beach ridges; 4) to examine the potential of these mixed beach-ridge systems to record and preserve paleo-sea-level information, to produce the first sea level trends for the Saint-Pierre-et-Miquelon archipelago over the last 3000 years. The combination of all these data provide a model of development of the barrier since the ice sheet retreat (13 700 yrs) to its present form, in a context of RSL rise and high local glaciogenic sediment supply, and a detailed view of the formation of the beach ridge plain over the last 3000 yrs
Saillard, Marianne. "Dynamique du soulèvement côtier Pléistocène des Andes centrales : Etude de l'évolution géomorphologique et datations (10Be) de séquences de terrasses marines (Sud Pérou - Nord Chili)". Phd thesis, Université Paul Sabatier - Toulouse III, 2008. http://tel.archives-ouvertes.fr/tel-00329922.
Texto completoSaillard, Marianne. "Dynamique du soulèvement côtier pléistocène des Andes centrales : étude de l'évolution géomorphologique et datations (10Be) de séquences de terrasses marines (Sud Pérou - Nord Chili)". Toulouse 3, 2008. http://thesesups.ups-tlse.fr/431/.
Texto completoGeomorphic study and dating of marine terrace sequences along the coastal part of the Central Andean forearc evidence longitudinal and temporal variations in the response of the South American plate to the Nazca plate subduction during Pleistocene. The average uplift rates vary between 229 ± 40 (17. 8°S) and 696 ± 53 mm/ka (15. 33°S) along the coast. Rapid uplift periods alternate with slower uplift during the Pleistocene times. The morphologic evolution of the forearc is directly linked to active tectonic processes occurring along the subduction zone. Below a threshold in the continent-trench distance of about 100-110 km, the marine terraces are preserved and record the highest uplift rates of the whole Andean coastal front. The episodic uplift would be a result of the seismogenic zone surface variations during the Pleistocene and the related variation in the continent-trench distance