Literatura académica sobre el tema "Plages – Effets du vent"
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Artículos de revistas sobre el tema "Plages – Effets du vent"
Valembois, J. "ETUDE SUR MODELE DU TRANSPORT LITTORAL CONDITIONS DE SIMILITUDE". Coastal Engineering Proceedings 1, n.º 7 (29 de enero de 2011): 18. http://dx.doi.org/10.9753/icce.v7.18.
Texto completoTsai, Chien Hsiung, Yao Nan Wang, Chang Hsien Tai, Jr Ming Miao y Jik Chang Leong. "Effects of Heating Vents in a Tunnel-Type Dryer". Advanced Materials Research 189-193 (febrero de 2011): 1757–60. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.1757.
Texto completoTan, Felicia, Vincent Tam y Chris Savvides. "Elevated LNG Vapour Dispersion—Effects of Topography, Obstruction and Phase Change". Eng 2, n.º 2 (15 de junio de 2021): 249–66. http://dx.doi.org/10.3390/eng2020016.
Texto completoBachand, Étienne y Sophie Comtois. "Recharge en sable et revégétalisation de 2 plages de l’estuaire du Saint-Laurent, Québec". Le Naturaliste canadien 140, n.º 2 (2 de junio de 2016): 105–12. http://dx.doi.org/10.7202/1036508ar.
Texto completoRitchot, Gilles y André Cailleux. "Taxonomie, géomorphologie et morphoscopie de sables au Québec méridional". Cahiers de géographie du Québec 15, n.º 36 (12 de abril de 2005): 423–38. http://dx.doi.org/10.7202/020980ar.
Texto completoSalmon, Camille y Virginie K. E. Duvat. "Enjeux de l'intégration des espaces naturels littoraux dans la gestion des risques liés à la mer". La Houille Blanche, n.º 2 (abril de 2018): 5–12. http://dx.doi.org/10.1051/lhb/2018015.
Texto completoPiton, Guillaume, Simon Carladous, Olivier Marco, Didier Richard, Frédéric Liebault, Alain Recking, Yann Queffelean y Jean-Marc Tacnet. "Usage des ouvrages de correction torrentielle et plages de dépôt : origine, état des lieux, perspectives". La Houille Blanche, n.º 1 (febrero de 2019): 56–67. http://dx.doi.org/10.1051/lhb/2019008.
Texto completoHuang, Biao, Shiqiang Wu, David Z. Zhu y Fangfang Wang. "Mitigating peak pressure of storm geysering by orifice plates installed at the top of vent pipes". Water Science and Technology 78, n.º 7 (15 de octubre de 2018): 1587–96. http://dx.doi.org/10.2166/wst.2018.436.
Texto completoTroutot, Pierre-Yves. "Les travailleurs sociaux, la dynamique de l’impuissance et les modèles professionnels : une mise en perspective". Travailler le social, n.º 7 (3 de febrero de 2016): 71–82. http://dx.doi.org/10.7202/1035011ar.
Texto completoKato, Hayato, Kotaro Takamure y Tomomi Uchiyama. "Characteristics of vortex shedding in the wake of a sphere with a uniaxial through-hole". AIP Advances 12, n.º 10 (1 de octubre de 2022): 105112. http://dx.doi.org/10.1063/5.0098762.
Texto completoTesis sobre el tema "Plages – Effets du vent"
Vanhée, Stéphane. "Processus de transport éolien à l'interface plage macrotidale-dune bordière : le cas des plages à barres intertidales, Côte d'Opale, nord de la France". Littoral, 2002. http://www.theses.fr/2002DUNK0093.
Texto completoSeveral experiments aimed at elucidating the effects of ridge and runnel morphology on aeolian transport were carried out on macrotidal beaches on the Opal Coast. The results show that in spite of a potentially large wind fetch with onshore winds given the width of these beaches, the effective fetch is generally limited to the upper beach terrace and to the first ridge on the upper beach, and is especially segmented by the runnels which may act as efficient sand traps. The results also highlight highly variable trapping rates. The rates were commonly weak and this could be a limiting factor in terms of beach-dune sand transfers, especially in view of the fact that the dominant winds on the North Sea sites are essentially obliquely offshore. The short term topographic surveys and digital elevation models have highlighted the efficiency of dune management and rehabilitation schemes. Differential contour maps generated by these surveys bring out the stages of foredune accretion
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
Charbonnier, Céline. "Biogéochimie et hydrologie d’une plage battue : la plage du Truc Vert : flux de matière dans les sédiments sableux intertidaux". Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR14916/document.
Texto completoBiogeochemical studies in permeable sandy sediments are recent: the role of these environments in biogeochemical cycles was neglected because of their poverty in organic matter and the complexity of transient processes affecting them. Sandy beaches are subject to various physical forcings like tide, waves and connexion with continental groundwaters. Advection is the leading mode of transport. Huge volumes of organic matter-bearing seawater are potentially filtered by permeable intertidal sediments. The main objective of this study was to characterize biogeochemical processes induced by seawater recirculation and groundwater discharge in the intertidal zone of an exposed beach: the Truc Vert beach.Seasonal monitoring of pore water properties showed that aerobic respiration processes occurred in the seawater recirculation plume. Extrapolated to the 240 km-long Aquitanian coast, these processes represent each year an annual release of 610 tons of nitrate and 4400 tons of dissolved inorganic carbon, i.e. the equivalent of the Leyre input, a small river draining a catchment area of 2000 km2 at the southeast part of the Arcachon lagoon.The benthic macrofauna is dominated by Crustaceans. These organisms have a low impact on biogeochemical cycles: the contribution of benthic macrofauna on oxygen deficits observed in the lower beach pore waters is insignificant (< 2%). Biogeochemical fluxes observed in the intertidal zone are mainly induced by the aerobic respiration of microorganisms living in the sediment. Supported by regular tidal inputs of dissolved oxygen on the pore space, these processes varied seasonnally with temperature and organic matter availability.The deployment of autonomous probes into the sediment of the intertidal zone allowed us to clarify the short-term variability of pore water properties. Extension of the intertidal saline plume evolved with the tidal amplitude. Oxygen levels measured at a given point of the beach varied slightly with the lunar cycle. This work showed that aerobic respiration processes varied mainly at the seasonal scale. The local impact of weather and swell was also evidenced.We showed the presence of a subterranean estuary in the Truc Vert beach and its dynamics was explored through the deployment of wells in the upper beach. The input of continental freshwater represents an additional source of nitrate and dissolved inorganic carbon in the coastal ocean. Chemical properties of the fresh groundwater located upstream the beach indicated a decoupling between the salinity gradient and the redox bareer within the subterranean estuary, as well as an intense CO2 degassing at the dune.This study allows to better understand the processes occuring in sandy sediments of exposed beaches and will allow to develop complex numerical models linking hydrological and biogeochemical processes. This work also provides many perspectives on the role of sandy beaches, both locally (in case of pollution, for example) and on global biogeochemical cycles, especially in relation to global warming and sea-level rise (CO2 emissions and seawater intrusion in coastal aquifers)
Dubois, Alexandre. "Comportement morphodynamique des plages de poche en milieu mésotidal semi-abrité : exemple des plages méridionales de la presqu’île de Rhuys, Bretagne sud". Lorient, 2012. http://www.theses.fr/2012LORIS278.
Texto completoPocket beaches display along rocky shores. In the Rhuys peninsula, they form dune systems baked between headlands sheltering swamps or low areas backshore, which are partially connected to the sea. In a mesotidal regim, the are semi-sheltered by islands and rocky shoals accounting for lower entering swell. The local wind create important wind waves promoting alonshore drift of sediment. This is observed thanks to hydrodynamic and topographic measurements. With an increasing energy input, cross-shore exchanges of sediment are dominant following increasing surf and swash processes. Such exchanges rotate aroud an equilibrium or pivot point less dynamic. Gravity waves and wind waves have an heterogeneous impact in space. Moreover, volumetric variations highlight each pocket beach system running as a single entity. No proof of alongshore by-passing between each beach is identified but a cross-shore connection with the direct nearshore is highly supposed and has to occur only between faults or subtidal rocky shoals. Finally, storm impact depends highly on the storm route and water level. In case of erosion, the beach recover the sediment loss quickly, so the sediment buget remains stable. Nevertheless, through time, sea level rise might create breach by breaking dune system and flood partially the bachshore. The would implie a sedimentary alonshore redistribution, changing significantly the coastline
Voisin, Dimitri. "Étude des effets du vent sur les grues à tour". Nantes, 2003. http://www.theses.fr/2003NANT2065.
Texto completoRosen, Michel. "Contribution à l'étude des effets du vent et d'un gradient de température sur l'efficacité des écrans acoustiques". Le Mans, 1986. http://www.theses.fr/1986LEMA1007.
Texto completoBonnesoeur, Vivien. "Acclimatation des arbres forestiers au vent : de la perception du vent à ses conséquences sur la croissance et le dimensionnement des tiges". Thesis, Paris, AgroParisTech, 2016. http://www.theses.fr/2016AGPT0023.
Texto completoStorms are by far the major hazard damaging the trees. However, trees do not just behave passively in the wind. They sense their own strains under the influence of an external force such as wind andrespond by modifying their growth and the mechanical properties of their tissues. But this process, called thigmomorphogenesis, has mainly been studied in very young trees in controlled conditions. This thesis aims to expand for the first time such studies at the scale of a forest stand in order to understand how adult trees acclimate to the wind in natural conditions by adapting their growth. It relies on an experimental set up in a regular stand of beech (Fagus sylvatica) which have never be thinned. The wind speed, the longitudinal strains and the radial growth of fifteen pairs of trees with contrasted sizes and wind exposures (split into two social status, dominant and suppressed trees) were monitored for one year. By controlling the strain intensity experienced by the trees, either by guying or by additional bendings, we show that the trees respond only to mechanical stimulation caused by rather strong winds with a return period higher than a week. This response leads however to a very strong increase in radial growth. And it follows a law of mecano-sensing uniform among the trees, regardless of their sizes. We then studied the effects of the strain regulation on the mechanical design of the trees and the potential risk of stem breakage. Despite the contrasted sizes and wind exposures, the strain regime remained uniform within the beech stand, in agreement with the hypothesis of an optimal mechanical design often inferred but never validated in its mechanism. Finally, the constitutive equations of a possible growth model dependent on wind are proposed and discussed
AYME, CARRIE NATHALIE. "Analyse des effets du vent sur les structures baties : constructions basses et structures elancees". Nantes, 1987. http://www.theses.fr/1987NANT2051.
Texto completoCarrié-Aymé, Nathalie. "Analyse des effets du vent sur les structures bâties constructions basses et structures élancées /". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376024886.
Texto completoLa, Foye Alexandre de. "Calcul de la réponse dynamique des structures élancées à la turbulence du vent". Nantes, 2001. http://www.theses.fr/2001NANT2074.
Texto completoEProgresses in civil engineering allow to design more and more light and slender structures. The results of this is a higher sensitivity of these structures to fluctuating wind sollicitations. A vibratory behaviour can then lead civil engineering works to failure. The aim of our work is to develop numerical tools which enable to assess the response of slender structures to wind turbulence. The natural wind is a three-dimensional stochastic process which can be described by probalistic modèls. Fluctuating aerodynamic forces are divided into two parts : the buffeting forces, directly linked to the wind turbulence, which are associated to the concept of aerodynamic admittance ; aeroelastic forces, generated by structure vibrations which can induce a unstable dynamical behaviour
Libros sobre el tema "Plages – Effets du vent"
Hangan, H. Étude de la pluie poussée par le vent portant sur l'ensemble résidentiel de Governor's Road, Dundas (Ontario). Ottawa, Ont: Société canadienne d'hypothèques et de logement, 2000.
Buscar texto completoSmith, William H. Air pollution and forests: Interactions between air contaminants and forest ecosystems. 2a ed. New York: Springer-Verlag, 1989.
Buscar texto completoAmbrose, James E. Simplified building design for wind and earthquake forces. 2a ed. New York: Wiley, 1990.
Buscar texto completoSmith, William H. Air Pollution and Forests: Interactions Between Air Contaminants and Forest Ecosystems. Springer, 2012.
Buscar texto completoSmith, William H. Air Pollution and Forests: Interactions Between Air Contaminants and Forest Ecosystems. Springer, 2012.
Buscar texto completoSmith, William H. Air Pollution and Forests: Interactions between Air Contaminants and Forest Ecosystems. Springer, 2011.
Buscar texto completoCapítulos de libros sobre el tema "Plages – Effets du vent"
Sullivan, Sian. "13. Historicising the Palmwag Tourism Concession, north-west Namibia". En Etosha Pan to the Skeleton Coast, 343–74. Cambridge, UK: Open Book Publishers, 2024. http://dx.doi.org/10.11647/obp.0402.13.
Texto completoBorlik, Todd Andrew. "‘Purple Plagues or Crimson War’". En Shakespeare Beyond the Green World, 167—C7.P69. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780192866639.003.0008.
Texto completoDIELE-VIEGAS, Luisa Maria. "Biogéographie et changement climatique". En La biogéographie, 327–44. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9060.ch12.
Texto completoAlexis-Ruiz, Adrian y Marisa Cevasco. "Right Ventricular Assist Device Therapies". En Cardiothoracic Critical Care, 215–20. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780190082482.003.0022.
Texto completoManda, Djoa Johnson. "Considérations didactiques des discours spécialisés à l’Institut National Polytechnique Félix Houphouët-Boigny de Yamoussoukro". En L’enseignement-apprentissage en/des langues européennes dans les systèmes éducatifs africains : place, fonctions, défis et perspectives, 67–88. Observatoire européen du plurilinguisme, 2020. http://dx.doi.org/10.3917/oep.kouam.2020.01.0067.
Texto completoMenget, Patrick. "Écrits d'Amazonie". En Écrits d'Amazonie, 361–412. CNRS Éditions, 2013. http://dx.doi.org/10.3917/cnrs.metra.2013.01.0361.
Texto completoActas de conferencias sobre el tema "Plages – Effets du vent"
Barbel, P. y D. Moulis. "Technique de réhabilitation des plages et des dunes du littoral nord-méditerranéen à l'aide d'ouvrages à effet brise-vent". En Journées Nationales Génie Côtier - Génie Civil. Presses Universitaires de Perpignan, 1994. http://dx.doi.org/10.5150/jngcgc.1994.034-b.
Texto completoOosthuizen, Patrick H. "A Basic Numerical Study of the Effect of a Hot Air Vent on the Heat Transfer Rate From a Cold Window". En ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12775.
Texto completoGRASSO, Florent, Hervé MICHALLET y Eric BARTHELEMY. "Transport sédimentaire associé à l'évolution morphologique des plages pour des vagues irrégulières : effets des asymétries de vitesse et d'accélération". En Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2010. http://dx.doi.org/10.5150/jngcgc.2010.034-g.
Texto completoShucheng, Zhang, Xuefeng Lyu, Lin Wang, Xichen Li, Yu Yu, Houjian Zhao, Shengfei Wang y Zhangpeng Guo. "Effect of Hydrogen Plant Structure on Hydrogen Diffusion". En 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-135092.
Texto completoPace, Raymond M. y Jason Ritzel. "Elimination of BWR Mark I Program Primary Containment Drywell-to-Wetwell Differential Pressure". En ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21001.
Texto completoRatnayake, Raveena D., Sriyani E. Peiris, Gayani Malwattage y Colin N. Peiris. "Effects of Coconut Water on Micropropagation of Caladium Bicolour Cv ’Thai Beauty’". En SLIIT INTERNATIONAL CONFERENCE ON ADVANCEMENTS IN SCIENCES AND HUMANITIES [SICASH]. Faculty of Humanities and Sciences, SLIIT, 2022. http://dx.doi.org/10.54389/kdso3301.
Texto completoJones, Samuel T. y Theodore J. Heindel. "The Effect of a Modified Downcomer on the Hydrodynamics in an External Loop Airlift Reactor". En ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98011.
Texto completoJohny, Anita, Barrie Mollitor y Peter Jackson. "Recent Dynamic Events in Modern Large CCGT Plants – Case Studies, Findings and Corrective Actions". En ASME 2024 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/pvp2024-123385.
Texto completoWarren, Ted, Larry Morris y John McPhearson. "Rapid H2 Purge With CO2 for Safer Plant Operations: Test Run Results". En ASME 2016 Power Conference collocated with the ASME 2016 10th International Conference on Energy Sustainability and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/power2016-59257.
Texto completoIzadi, Mohammad J. y Reza Baradaran Razzaz. "3D Numerical Simulation of a Parachute With Two Air Vented Canopies in a Top-to-Top Formation". En ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55068.
Texto completoInformes sobre el tema "Plages – Effets du vent"
Willits, Daniel H., Meir Teitel, Josef Tanny, Mary M. Peet, Shabtai Cohen y Eli Matan. Comparing the performance of naturally ventilated and fan-ventilated greenhouses. United States Department of Agriculture, marzo de 2006. http://dx.doi.org/10.32747/2006.7586542.bard.
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