Literatura académica sobre el tema "Transport sédimentaire éolien"
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Artículos de revistas sobre el tema "Transport sédimentaire éolien"
Germain, Daniel y Louise Filion. "Description morpho-sédimentologique d'un système éolien de haut de falaise, au cap Sandtop à l'île d'Anticosti (Québec)". Géographie physique et Quaternaire 56, n.º 1 (26 de julio de 2004): 81–95. http://dx.doi.org/10.7202/008606ar.
Texto completoSabatier, François, Mohamed Chaïbi y Philippe Chauvelon. "Transport éolien par vent de mer et alimentation sédimentaire des dunes de Camargue". Méditerranée, n.º 108 (1 de enero de 2007): 83–90. http://dx.doi.org/10.4000/mediterranee.177.
Texto completoShaw, John y George Gorrell. "Subglacially Formed Dunes with Bimodal and Graded Gravel in the Trenton Drumlin Field, Ontario". Géographie physique et Quaternaire 45, n.º 1 (13 de diciembre de 2007): 21–34. http://dx.doi.org/10.7202/032842ar.
Texto completoÉlysée Guede, Koré, Chiaye Larissa Koffi, Yapi Désiré Sosthène Ronald Atto, Kassi Adjoua Maryline-Audrey Edjeme, N’ga-Yah Rosine Adina Befa-Kandet Messou y N'goran Jean-Paul YAO. "Caracterisaion Sedimentologique et Lithostratigiraphique de Deux Putts de la Zone d’Eboinda, Sud-est de la Côte d’Ivore". European Scientific Journal, ESJ 18, n.º 36 (30 de noviembre de 2022): 95. http://dx.doi.org/10.19044/esj.2022.v18n36p95.
Texto completoGuede, Koré Élysée, Chiaye Larissa Koffi, Yapi Désiré Sosthène Ronald Atto, Kassi Adjoua Maryline-Audrey Edjeme, N’Ga-Yah Rosine Adina Befa-Kandet Messou, Idriss-Zayn Al-Abidine Diarra y Dibehi Zéli Bruno. "Caracterisation Sedimentoloque et Paleoenvironnementale de la Zone D’eboinda, Sud-est de la Côte d‘Ivoire". European Scientific Journal ESJ 10 (12 de octubre de 2022). http://dx.doi.org/10.19044/esipreprint.10.2022.39.
Texto completoGuede, Koré Élysée, Chiaye Larissa Koffi, Yapi Désiré Sosthène Ronald Atto, Kassi Adjoua Maryline-Audrey Edjeme, N’Ga-Yah Rosine Adina Befa-Kandet Messou, Idriss-Zayn Al-Abidine Diarra y Dibehi Zéli Bruno. "Caracterisation Sedimentoloque et Paleoenvironnementale de la Zone D’eboinda, Sud-est de la Côte d‘Ivoire". European Scientific Journal ESJ 10 (15 de octubre de 2022). http://dx.doi.org/10.19044/esipreprint.10.2022.p39.
Texto completoTesis sobre el tema "Transport sédimentaire éolien"
Lamy, Antoine. "Processus éolien et son transport sédimentaire associé en condition de vent de terre sur le système dune-plage". Electronic Thesis or Diss., Perpignan, 2024. http://www.theses.fr/2024PERP0015.
Texto completoThis Research aims to characterize the aeolian processes on a beach-dune system under prevailing offshore winds. To achieve this, the site of Leucate-Plage has been chosen due to the Tramontane, an offshore wind blowing more than 70 % of thetime. This field site is composed of a small foredune on a microtidal area sometimes hit by intense marine storms. These characteristics make this site one of the representative coastal areas present on the Gulf of Lion. This research demonstrates, using observations and modelisations, that a small dune can nonetheless have significant effects on aeolian dynamics. This work highlights an area of wind separation and recirculation in the leeward region of the dune during perpendicular wind. However, this does not cause transport towards the dune foot because, regardless of the incident wind speeds, the threshold shear velocity for grain movement is never reached in this recirculation zone. the dune at Leucate-Plage is human-made, this cause longitudinal variations in its morphology due to different construction methods. These variations create variable disturbances in wind flow and aeolian transport. In some cases, with gentler dune slopes, the wind is not separated but only deflected and much less attenuated when passing over the dune, allowing sediment transport in the lee side. In all cases, the wind is accelerated approaching the dune crest, especially when the wind is perpendicular, reaching up to twice the speed of the incident wind. Aeolian sand transport depends on many control factors, this work focused on the beach grain size and histemporal variability, often neglected in studies. The results show that this parameter can have significant consequences on the observed and calculated transport rates. In an environment with wide variations in grain size over time, annual transport rates can differ by more than 75 times from those observed depending on the grain size applied to the transport formula. In the case of offshore winds, the distribution of wind speeds and aeolian sand transport fluxes is unequal across the beach profile, with an increase observed moving away from the dune. Thus, transport rates can easily exceed 100 kg/m/h at the berm. The consequence of this seaward aeolian transport can cause significant erosion of the beach, depending on wind speeds and beach's grain size state. This erosion can reach values greater than 50 cm on the berm and 20 cm on the beach in a few hours. This thesis highlights the impact of offshore winds on a microtidal beach and the influence of an artificial dune and its construction methods, on wind flow and aeolian sediment transport. It also warns about using an appropriate grain size for calculating aeolian transport rates in a heterogeneous and variable grain size environment
Skonieczny, Charlotte. "Caractérisation multi-proxy de « poussières Sahariennes » déposées à l'actuel sur la marge Ouest africaine : relations avec les régions sources et les systèmes de transport et implications pour l’interprétation des archives sédimentaires en Atlantique Tropical Nord-Est". Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10171/document.
Texto completoThe study of the aeolian material in the sedimentary archives of the NEATO contributes to document the paleoclimatic changes in this region. However, the interpretation of these records is complicated by the fact that proxies used in the deep sea sediments to reconstruct the provenance regions and the associated atmospheric transport patterns remain poorly constrained. A study of the aeolian deposits in the present-day climatic context was carried out on the West African margin in order to improve our understanding of the proxies. In this frame, a mineral dust deposits trap was installed in 2006 on the Senegalese coast, providing a unique aeolian deposits time series with a temporal resolution better than a week. The first part of this study consists in a multi-proxy analysis of the aeolian deposits collected from 2006 to 2009 (including grain-size distribution, clay mineralogy and strontium and neodymium isotopic ratios) and the subsequent development of a calibration of these tracers in terms of provenance regions and transport patterns in the present-day climatic context. In a second part, this calibration was (1) tested against sea surface sediments of the NEATO and then (2) used to decipher the aeolian terrigenous signal recorded during the last 26 000 years in the MD03-2705 core (18°05N; 21°09W). This PhD work contributes to document in which ways this initial present-day calibration of the aeolian proxies can contribute to improve our understanding of the terrigenous signal in NEATO
Actas de conferencias sobre el tema "Transport sédimentaire éolien"
LASGAA, Hicham, Abdelkader SBAI y Taieb BOUMEAZA. "Quantification du transport sédimentaire éolien réel du littoral de Saidia - Cap de l’Eau (Maroc nord-est)". En Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.046.
Texto completoROBIN, Nicolas, Camille RENE, Antoine LAMY, Emma DAVID, Olivier RAYNAL, Alexandre NICOLAE LERMA, Bruno CASTELLE y David ROSEBERY. "Influence de la morphologie dunaire sur les flux éoliens et le transport sédimentaire : Exemple sur la côte Aquitaine". En Journées Nationales Génie Cotier - Genie Civil, 421–28. Editions Paralia, 2024. http://dx.doi.org/10.5150/jngcgc.2024.044.
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