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Artykuły w czasopismach na temat "Gyre de l'Océan Indien"
Philippe, Xavier. "Pays de l'Océan indien". Annuaire international de justice constitutionnelle 10, nr 1994 (1995): 157–65. http://dx.doi.org/10.3406/aijc.1995.1311.
Pełny tekst źródłaHoleš, Jan. "Les territoires créolophones de l'Océan Indien". Romanica Olomucensia 24, nr 2 (1.12.2012): 117–24. http://dx.doi.org/10.5507/ro.2012.020.
Pełny tekst źródłaTerramorsi, Bernard. "Surnaturel et Littérature dans l'Océan Indien". Revue de littérature comparée 318, nr 2 (2006): 141. http://dx.doi.org/10.3917/rlc.318.0141.
Pełny tekst źródłaSheldon-Duplaix, Alexandre. "L'Indian Navy, gendarme de l'océan Indien ?" Hérodote 145, nr 2 (2012): 83. http://dx.doi.org/10.3917/her.145.0083.
Pełny tekst źródłaClark, Hugh. "Maritime Diasporas in Asia before da Gama: An Introductory Commentary". Journal of the Economic and Social History of the Orient 49, nr 4 (2006): 385–94. http://dx.doi.org/10.1163/156852006779048381.
Pełny tekst źródłaVergès, Françoise. "L'océan Indien, un territoire de recherche multiculturelle". Hermès 32-33, nr 1 (2002): 447. http://dx.doi.org/10.4267/2042/14403.
Pełny tekst źródłaLavaine, Bertrand. "Donia, un festival modèle pour l'océan Indien". Africultures 56, nr 3 (2003): 227. http://dx.doi.org/10.3917/afcul.056.0227.
Pełny tekst źródłaSaint-Mézard, Isabelle. "Quelles architectures de sécurité pour l'océan Indien ?" Hérodote 145, nr 2 (2012): 129. http://dx.doi.org/10.3917/her.145.0129.
Pełny tekst źródłaJ.-M.M. "Chikungunya: de l'Océan Indien à Paris, France". Revue Francophone des Laboratoires 2007, nr 391 (kwiecień 2007): 13. http://dx.doi.org/10.1016/s1773-035x(07)80111-0.
Pełny tekst źródłaAlmar, Nathalie. "La presse en ligne dans l'océan Indien". MédiaMorphoses 15, nr 1 (2005): 37–40. http://dx.doi.org/10.3406/memor.2005.2487.
Pełny tekst źródłaRozprawy doktorskie na temat "Gyre de l'Océan Indien"
Thibault, Margot. "Composition, abundance, origin and distribution of plastic pollution accumulated in the Southern Indian Ocean gyre". Electronic Thesis or Diss., La Réunion, 2024. https://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/24_01_M_THIBAULT.pdf.
Pełny tekst źródłaThe majority of mismanaged plastic waste enters the marine environment. Once in the oceans, these plastics drift until reaching subtropical convergence zones, where they accumulate to form “Garbage Patches”. Five zones have been discovered, including one in the southern Indian Ocean. This latter patch has undergone limited surface observation studies, and several predicted models indicate a different location, placing it either west or east of the basin. Supposedly the second most polluted “Garbage Patch” after the North Pacific, it is crucial to identify it for effective intervention accurately. Within this context, the doctoral project aimed to determine the composition, concentration, and origin of plastic debris accumulated in the Southwest Indian Ocean. Since the project's inception, 19 oceanographic campaigns have been conducted to visually monitor macro-debris (> 2.5 cm) and collect microplastics by manta trawl deployment (500 μm – 5 mm). Surveys of marine debris (macro-meso (5 mm – 2.5 cm) beached on uninhabited, remote islands have also been carried out to assess the concentration that does not remain on the surface. Furthermore, a long-term study of plastic pollution was initiated by identifying bio-indicator species in the region. All observations have been compared or complemented with plastic dispersion predictive models in the Indian Ocean. Of all the marine debris collected or observed, 95% consisted of plastics. Among plastics, the predominant subcategory was pre-existing fragmented hard plastics found on the ocean surface, beached on uninhabited islands, and ingested by bio-indicator species. The primary composition of these polymers was polyethylene and polypropylene, and it did not differ between the ocean surface and beaches. A concentration gradient of microplastics was also identified, ranging from 10^3 items.km^-2 at 40°E to 10^5 items.km^-2 at 65°E on latitudes 30/33°S. This gradient has been confirmed by plastic dispersion predicted models, although they tend to underestimate it. In addition, some of the macroplastics stranded on the islands originated mainly from Southeast Asian food packaging. Three species have been identified for long-term monitoring of plastic pollution in the region: loggerhead turtles (Caretta caretta), Barau's petrels (Pterodroma baraui), and tropical shearwaters (Puffinus baillonni). Future studies should include increasing sampling in the central and eastern parts of the Indian Ocean basin during different seasons, studying the impact of plastic debris on associated ecosystems, and developing tailored management solutions
Cornuault, Josselin. "Biodiversité, biogéographie et évolution des hémosporidies dans l'océan Indien". Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1845/.
Pełny tekst źródłaUnderstanding biodiversity patterns is one of the major goals of ecology. Despite our increasing knowledge in the fields of evolutionary biology and ecology, the complexity and the multiplicicty of the processes underlying the assemblage of ecological systems continue to puzzle scientists. The field of biogeography has developed in an attempt to explain present species distributions by unravelling the factors involved in community assembly. The work presented in this manuscript aims at describing and understanding which processes were involved in the building of insular parasite communities. It specifically focuses on hemosporidian blood parasites infecting birds of the Indian Ocean and provides new insights into the processes explaining parasite diversity in insular systems. Results suggest that the hemosporidian communities of the Mascarene archipelago were assembled through a combination of multiple colonisations and in-situ diversifications. In particular, a group of Leucocytozoon parasites found their way to a number of islands in the Indian Ocean by following their Zosterops hosts in their evolutionary radiation. Such congruence of biogeographical histories of hosts and parasites has never been described in hemosporidians and allowed the identification of several co-divergence events, offering the possibility to date the parasite radiation and to propose a rate of molecular evolution for the parasites. Leucocytozoon parasites are also reported to be more diverse than Plasmodium in the Mascarene archipelago. This pattern may be the result of earlier and more numerous colonisations by Leucocytozoon. Alternatively, a lower turnover rate in Leucocytozoon could induce the same pattern. Finally, two lineages of Leucocytozoon are geographically segregated within the island of Réunion and we show that this pattern cannot be due to the sole effect of environmental factors and we suggest that competition or differential vector preference be involved
Lyard, Florent. "Modélisation de la marée océanique : application à l'océan indien". Grenoble 1, 1992. http://www.theses.fr/1992GRE10157.
Pełny tekst źródłaDongmo, Wamba Mathurin. "Tomographie de l'Océan Indien par inversion de forme d'onde". Thesis, Université de Paris (2019-....), 2020. http://www.theses.fr/2020UNIP7077.
Pełny tekst źródłaThe arrival of some plumes and the birth of hotspots at the Earth surface is more likely the cause of the break up of the Pangea ~200 Ma ago, during the jurassic era. The Gondwana was formed by many continental masses like Africa, Australia, India and Antarctic. The late cretaceous was affected by a biological crisis caused by a volcanic and/or asteroid cataclysm which provoke the disappearance of 90% of life on the Earth including dinosaurs, and produced India Deccan trapps with an area of 2 millions km^2 and thickness of 2.5-3 km. This volcanic disaster was associated with the birth of la Réunion hotspot ~65 Ma years ago, from there the india plate entered into the northward migration with a velocity of about 18-20 cm/year, and the closure of the Tethys ocean in front of the indian plate started; in the meantime the raising of basaltic lava from the indian ridges formed a new ocean floor behind the indian plate: this was the birth of indian ocean. In 1953 the Canadian researcher Tuzo Wilson suggested that such an intra-plate volcano may be due to a fixed hotspot in the mantle capable to create successive volcano on the surface; later in 1971 Jason Morgan suggested that the hotspot is fed by a mantle plume rising from the core-mantle boundary due to thermal instabilies. The goal of this thesis is to investigate the actual state of the plume in the entire indian ocean, responsible of many volcanic islands such as Maldives, Maurice and Réunion. By applying waveform inversion we are able to image the earth structure down to the lower mantle; we use Rhum-Rum data and also data collected from FDSN (Federation of Digital Seismograph Networks) data center to perfom our inversion. We perform the forward modelling with the spectral element method. For this regional case we use RegSEM (regional spectral element method) to compute synthetic seismograms that were compared to real seismograms later on. We divided the waveform into several wavepackets, each wavepacket corresponds to a specific mode. We inverted for two parameters, isotropic velocity and radial anisotropy.The result shows a large velocity anomaly channel extending from East to West over nearly ~2100 km in the Mascarene basin at a depth of 200 km. Our model also bring to light a plume under the Reunion hotspot with a broad head in the upper mantle and a narrow tail anchored in the lower mantle. Our model sheds light on the connection between the Reunion plume and the South African LLSVP (Large Low Shear Velocity Province), as well as between the Mascarene anomaly and the base of the lower mantle
Rocca, Olivier. "La tradition naturelle dans les politiques de l'Océan indien". Aix-Marseille 3, 1999. http://www.theses.fr/1999AIX32026.
Pełny tekst źródłaThe natural tradition gives the framework and the structure to understand many links between the political reason and its practice in natural environment. The natural tradition, which considers that desire is the central force which organizes social life and the political think it self, helps to understand many crisis of the indian ocean region, and prepares a new reflection about modernity
Le, Mouël-Conte Virginie. "La problématique du développement durable insulaire à travers l'exemple des îles du sud-ouest de l'Océan Indien". Nice, 2003. http://www.theses.fr/2003NICE0032.
Pełny tekst źródłaJacob, Jensen. "Contribution à la tectonique des plaques de l'océan Indien oriental". Paris, Institut de physique du globe, 2013. http://www.theses.fr/2013GLOB0002.
Pełny tekst źródłaThe frequent earthquakes in Indonesia are associated with the active subduction of the northern Wharton basin under Sunda trench. To better understand the subduction mechanism the age and structure of the subducting lithosphere have been analyzed by conducting a detailed marine magnetic interpretation of the Wharton basin. Validation of the identified magnetic isochrons is achieved by two-plate kinematic reconstructions for chron 20 young to 26 old, and by three-plate reconstructions involving Australia, Antarctica and India for the older chrons 34 young to 27 young, for which no conjugate anomalies exist in the basin. The resulting age and structure obtained for the missing part of the basin are draped on the top of the subducted lithosphere determined by seismic tomography to investigate the subduction processes and their consequences. The age and spreading rate influence physical parameters like the thickness, buoyancy, and rheology of the subducting lithosphere, which in turn result in variable "subductability" of the lithosphere, varying depth of the trench and its deviation from a regular arc. The subducted long-offset fracture zones and spreading axis play an important geodynamic role in opening asthenospheric windows through the deep slab, whereas subducting features like plateaus and seamounts affects shallower processes at the trench and in the seismogenic zone. To extend the results obtained by our three-plate reconstructions on the controversial Late Cretaceous spreading history of Australia and Antarctica, we investigate the early opening and spreading history of this plate boundary using the Bullard Contour Fit method. The method is appropriate for sinuous isochrons and in absence of clear fracture zones. Two pairs of symmetrical features are observed in the satellite-derived free-air gravity anomaly map over the conjugate margins, the strongest one interpreted as the continent-ocean boundary. They are considered as isochrons and tentatively dated 128 and 94 Ma. A proper reconstruction at 128 Ma is attained in three separate sections, with the western section corresponding to the motion between Australia-East Antarctica, the central one to the motion between the Polda Block (a transient micro-continent) and East Antarctica, and the eastern one to Tasmania and West Antarctica. The eastern margins of Australia and Tasmania are aligned. The conjugate margins of reconstructed Australia, Tasmania and West Antarctica on one hand, Lord Howe Rise and the Campbell Plateau (Zelandia) on the other hand, fit a small circle and suggest a transform motion. Aligning the Bellona Trough with the Bass Strait as an extension of the Southern Australia Fracture Zone predicts a total 600 km of transform motion, before the Tasman Sea and Pacific- Antarctic Ridge opened at ~83 Ma. The southeastward translation of East Antarctica resulted in compression and crustal thickening in West Antarctica, creating the Trans-Antarctic Mountains at the edges of different provinces - craton and orogenic terranes - and rheology. The initial opening of Australia-Antarctica is likely related to the Kerguelen hotspot inception at ~120 Ma
Carletti, Isabelle. "Étude de molécules bioactives isolées d'éponges marines de l'Océan Indien". Nice, 2000. http://www.theses.fr/2000NICE5469.
Pełny tekst źródłaSonzogni, Corinne. "Calibration et application de la méthode paléothermométrique des alkénones aux sédiments quaternaires de l'océan indien". Aix-Marseille 3, 1997. http://www.theses.fr/1997AIX30033.
Pełny tekst źródłaFagel, Nathalie. "Flux argileux du Néogène au Quaternaire dans l'Océan Indien nord : mise en évidence et interprétation". Lille, 1993. http://www.theses.fr/1993LIL10193.
Pełny tekst źródłaKsiążki na temat "Gyre de l'Océan Indien"
Mazeran, Hélène. Géopolitique de l'océan Indien. Paris: Centre des hautes études sur l'Afrique et l'Asie modernes, 1994.
Znajdź pełny tekst źródłaPirozzi, Giacomo. Portraits d'enfance dans l'océan Indien. Florence, Italie: Edizioni Imprinting, 2010.
Znajdź pełny tekst źródłaAupiais, Dominique. L'héritage celtique dans l'océan Indien. Chevagny-sur-Guye]: Orphie, 2013.
Znajdź pełny tekst źródłaBeaujard, Philippe. Les mondes de l'océan Indien. Paris: Armand Colin éditeur, 2012.
Znajdź pełny tekst źródłaAllègre, Jean-Luc. Panoramas des îles de l'océan Indien. Saint-Gilles-les-Bains, Réunion: J.-L. Allègre, 2009.
Znajdź pełny tekst źródłaMérer, Laurent. Alindien: Un marin dans l'Océan indien. Brest: Télégramme, 2006.
Znajdź pełny tekst źródłaJean-Louis, Joubert, Osman Amina i Ramarasoa Liliane, red. Littératures francophones de l'océan Indien: Anthologie. Paris: Groupe de la Cité international Création-Diffusion, 1993.
Znajdź pełny tekst źródłaRichon, Emmanuel. Lemuria: Le continent disparu de l'océan Indien. Mauritius: Christian Le Comte, 2009.
Znajdź pełny tekst źródłaRajaonarimanana, Narivelo. Langues et cultures de l'océan Indien occidental. Paris: INALCO, 2005.
Znajdź pełny tekst źródłaIdées et représentations coloniales dans l'océan Indien. Paris: Presses de l'Université Paris-Sorbonne, 2009.
Znajdź pełny tekst źródłaCzęści książek na temat "Gyre de l'Océan Indien"
Lauret, Francky. "Masques et chansons créoles au bal de la Covid". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/rbkt5294.
Pełny tekst źródłaWalzer, Nicolas. "Entre Madagascar et La Réunion, le culte des ancêtres malgaches et la gestion des défunts bouleversés par la Covid-19". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/ekwn2640.
Pełny tekst źródłaLebon, Lidya. "L’Union européenne et ses RUP de l’océan Indien face à la pandémie de Covid-19". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/ngzq3442.
Pełny tekst źródłaKuhn, Céline. "Corps humain et crise sanitaire : réflexions sur le statut juridique du corps humain". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/dsvu8001.
Pełny tekst źródłaBurguet, Delphine, i Pierrine Didier. "Développement du remède Covid-Organics à Madagascar : enjeux de pouvoir et controverse autour de l’Artemisia". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/nucd2036.
Pełny tekst źródłaFianu, Adrian. "Conditions de vie et état de santé de la population réunionnaise pendant le confinement de 2020 : quelles répercussions du confinement chez les enfants ?" W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/yymc8662.
Pełny tekst źródłaMalbert, Thierry, i Alexandre Hoareau. "Les besoins des parents et des professionnels du soutien à la parentalité à La Réunion pendant l’épidémie de Covid-19". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/rhai9420.
Pełny tekst źródłaHorri, Sophien, Thierry Malbert i Michel Spodenkiewicz. "Construction thérapeutique du sacré chez une femme-fūndi à l’île de La Réunion : le cas de Kamariya face à la pandémie de Covid-19". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/xyfb6505.
Pełny tekst źródłaDelahaye-Loutrel, Olympe. "Analyse des discours politiques lors de la campagne des municipales de 2020 à La Réunion : rôles et positionnements en période de crise épidémique". W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/molq2432.
Pełny tekst źródłaAlbert, Irène. "Crise du Covid-19 et travail social : quelles leçons allons-nous tirer de plus de deux années de crise épidémique à La Réunion ?" W L'océan Indien traversé par l'épidémie de covid-19. Presses Universitaires Indianocéaniques, 2024. http://dx.doi.org/10.61736/kzxl6393.
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