Literatura científica selecionada sobre o tema "Tempêtes côtières"
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Artigos de revistas sobre o assunto "Tempêtes côtières"
Brahmi, Noura, Mohsen Dhieb e Mohamed Chedly Rabia. "Impacts de l‘élévation du niveau de la mer sur l’évolution future d’une côte basse à lagune de la péninsule du Cap Bon (Nord-Est de la Tunisie): approche cartographique". Proceedings of the ICA 1 (16 de maio de 2018): 1–7. http://dx.doi.org/10.5194/ica-proc-1-14-2018.
Texto completo da fonteLORRAIN-SOLIGON, Léa, Frédéric ROBIN, Pierre ROUSSEAU, Marko JANKOVIC e François BRISCHOUX. "Des petites différences pour de grands bénéfices : réponses sites-spécifiques des communautés d’amphibiens à la submersion marine sur la côte Atlantique française". Sciences Eaux & Territoires, n.º 41 (23 de setembro de 2022): xx. http://dx.doi.org/10.20870/revue-set.2022.41.7124.
Texto completo da fonteBernatchez, Pascal, e Jean-Marie M. Dubois. "Bilan des connaissances de la dynamique de l’érosion des côtes du Québec maritime laurentien". Géographie physique et Quaternaire 58, n.º 1 (26 de junho de 2006): 45–71. http://dx.doi.org/10.7202/013110ar.
Texto completo da fonteGuillemard, Alexis, e Dominic Lapointe. "La ruralité contemporaine face aux changements climatiques : étude de l’adaptation sur les littoraux touristiques d’une petite ville québécoise". Revue Organisations & territoires 29, n.º 1 (12 de maio de 2020): 139–47. http://dx.doi.org/10.1522/revueot.v29n1.1133.
Texto completo da fonteTidjani Cisse, Cheikh Omar, Papa Sagne, Boubacar Fall, Kader BA, Boubou Aldiouma SY e Augustin Marone. "Modélisation Des Niveaux D’eau Extrêmes Sur Les Plages Sableuses De Malibu, De Gadaye Et De Malika (Dakar, Sénégal) Consécutive À La Tempête Du 19 Novembre 2018". European Scientific Journal, ESJ 18, n.º 3 (31 de janeiro de 2022): 79. http://dx.doi.org/10.19044/esj.2022.v18n3p79.
Texto completo da fonteFattal, Paul, Marc Robin, Martin Paillart, Mohamed Maanan, Denis Mercier, Christine Lamberts e Stéphane Costa. "Effets des tempêtes sur une plage aménagée et à forte protection côtière : la plage des Éloux (côte de Noirmoutier, Vendée, France)". Norois, n.º 215 (30 de setembro de 2010): 101–14. http://dx.doi.org/10.4000/norois.3289.
Texto completo da fonteBruzzi, Carole. "Tempêtes morphologiques et ouvrages de défense côtière : le cas du littoral oriental du delta du Rhône / Morphogenetic storms and coastal defence works : the case of the eastern coast of the Rhône delta". Revue de géographie de Lyon 74, n.º 1 (1999): 27–33. http://dx.doi.org/10.3406/geoca.1999.4926.
Texto completo da fonteOlaniyi, W. A. "The proposed Eko Atlantic City project, Victoria Island, Lagos: Preliminary impact assessment of land reclamation on the aquatic lives and climate change". Nigerian Journal of Animal Production 48, n.º 4 (8 de março de 2021): 194–200. http://dx.doi.org/10.51791/njap.v48i4.3014.
Texto completo da fontePickrill, Richard A., e David J. W. Piper. "MARINE GEOLOGY IN ATLANTIC CANADA - A GOVERNMENT PERSPECTIVE". Proceedings of the Nova Scotian Institute of Science (NSIS) 43, n.º 2 (1 de novembro de 2006). http://dx.doi.org/10.15273/pnsis.v43i2.3638.
Texto completo da fonteTeses / dissertações sobre o assunto "Tempêtes côtières"
Lopez, Solano Carlos. "Cοupling stοchastic and numerical apprοaches fοr investigating the dynamics οf cοastal extreme events : Case οf the English Channel and the Νοrmandy cοasts". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMR043.
Texto completo da fonteCoastal zones face increasing vulnerability due to climate change, leading to hazards like coastal flooding or beach erosion, exacerbated by anthropogenic activities and global warming. Effective coastal management and adaptation strategies are crucial. Advanced numerical models and monitoring of extreme storms are essential for accurate risk assessment and early warning systems. The DYNSEEC project aims to enhance understanding of storm dynamics, focusing on coastal flooding to improve risk assessment and mitigation efforts. This dissertation examines extreme waves and storm surges along the English Channel, integrating global climate oscillations and local hydrodynamic factors. Normandy’s beaches, with diverse morphologies, are studied using numerical modelling and monitoring systems to understand hydrodynamics and coastal risks.The stochastic drivers of maritime hydrodynamics are explored, focusing on wave height and sea level variations, analyzed through statistical and spectral methods. The research identifies significant variability in surges driven by long-term sea level trends and tide-surge interactions, with wave heights influenced by ocean-atmosphere interactions, and revealing dependencies on sea surface temperature, sea level pressure, and climate indexes. A classification of typical extreme events on the English Channel is lastly performed.A simulation of 40 years of data, with validation against buoy and tide gauge measurements in England and France has been carried out. The study classifies storms, assessing their impact on Normandy’s coast, showing significant wave height variations, dependent mostly on their origin and direction of propagation, primarily the Atlantic Ocean. Detailed simulations emphasize coastal morphology’s role in energy dissipation and wave behavior.The numerical modeling to simulate storm wave dynamics at three Norman coastal sites is detailed, validated by comparing simulations with buoy measurements, theoretical formulations, and wave run-up data measured by Video Monitoring Systems. Results show that run-up height is influenced by water levels and wave height, with site-specific variations due to beach characteristics, mainly the porosity of gravels and pebbles.The stochastic and the numerical methodologies and databases from previous studies are finally applied to link hydrodynamics with beach morphodynamics under extreme conditions, studying compound flooding on the Seine Bay and the impact of coastal structures and beach permeability on beach erosion
Zemmour, Amar. "Étude de l'évolution des littoraux dunaires de la Côte d'Opale à différentes échelles de temps : analyse de leur capacité de régénération post-tempête". Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0525/document.
Texto completo da fonteCoastal dunes are fundamental elements of sandy coastal systems dynamic. They may experience a variable response to coastal erosion, in relation to their ability to withstand storm effects and to recover from erosion. Global sea level rise, related to global warming, would considerably affect coastal systems and hence the sensitivity of coastal dunes to erosion. The main objective of this thesis is to study the evolution of the Côte d'Opale coastal dunes at different time scales in order to evoluate their capacity to resist and/or to recover from storm impacts. Over long term periods (nearly 68 years), shoreline evolution analysis from orthorectified aerial photographs revealed that more than half of the Côte d'Opale coastal dunes are stable or prograding and thus, are resilient. Their evolution over 5-year periods highlighted a strong spatial and temporal variability which is directly linked to weather and hydrodynamic conditions, especially the occurence of storms during heigh water levels. At medium and short term scales, topographic surveys from LiDAR and in-situ measurements, coupled with metrological and hydrodynamic data, showed a different morphological response between adjacent coastal dune areas. This is related to variations in morphological parameters such as dune foot elevation, width and volume of the upper-beach during the studied periods. Results show also that coastal dunes recovery from storms can be a very long process at our study areas, suggesting that foredunes in a state of mesoscale stability may experience more frequent erosion with currents sea level rise
Aouiche, Ismail. "Dynamique morphosédimentaire de la baie d’Agadir : approche multi-méthodes et préconisations pour une gestion intégrée de la zone côtière". Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM3017/document.
Texto completo da fonteCoastal systems where sediment transport is perturbed by engineering interventions on the shoreline and shoreface commonly provide fine examples liable to throw light on these links. This is especially so where shoreface bathymetric datasets, which are generally lacking, are collected over time, enabling more or less fine resolution of the meso-scale coastal sediment budget. Agadir Bay and the city of Agadir together form one of the two most important economic development poles on the Atlantic coast of Morocco. Using a combined methodological approach based on wave–current modelling, bathymetric chart-differencing, determination of shoreline fluctuations, and beach topographic surveying, we highlight the close links between variations in the bed of the inner shoreface and the bay shoreline involving both cross-shore and longshore sand transport pathways, sediment budget variations and new sediment cell patterns. This work discusses also the morphological changes and evolution of Agadir Bay beach (Morocco) in response to eight storms between January 2014 and March 2014. A comparison is carried out of the evolution and variability of the beach in a sector of the bay protected by the commercial harbour of Agadir relative to a sector down drift of the harbour that is more exposed to waves, and changes affecting the beach following these storms are examined. Wave influence is evaluated using numerical simulations. The results show that despite being of relatively low intensity, the two first storm events, and especially storm 1, are responsible for major beach morphological changes
Michaud, Héloïse. "Impacts des vagues sur les courants marins : Modélisation multi-échelle de la plage au plateau continental". Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2011. http://tel.archives-ouvertes.fr/tel-00680405.
Texto completo da fonteShah-Hosseini, Majid. "Geomorphic evolution and coastal hazards along the Iranian coast of Makran". Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM3010.
Texto completo da fonteIn this thesis we have two main goals: (i) to reconstruct the Holocene coastal evolution and relative sea-level changes using strandplains around the Chabahar and Pozm bays; and (ii) to evaluate coastal hazards (tsunami and extreme storms) along the Iranian coast of Makran using high-energy deposits. Since the mid-Holocene, the shoreline rimming the bays of Chabahar and Pozm has prograded ~5 km and formed extensive strandplains. We documented relative sea-level changes along four coast-normal profiles. Internal architecture of strandplain imaged using Ground Penetrating Radar (GPR). The sedimentology and stratigraphy of the coastal sequence were studied by coring and trenching. The highest paleo-coastline is located about 5 km inland and stands approximately 15 m above present sea level. Paleo-shorelines date back between 4800 and 270 years BP at respective distances of 5 km to 670 m from the active shoreline. The spatial position of the palaeo-coastlines demonstrates a fall in local sea level of around 15 m during the last ~4800 years. Event deposits attesting to high-energy waves have been studied in low-lying coast by study of Over-washed sandy and shelly marine sediment and on the rocky shore by study of displaced boulder deposits. We applied hydrologic models to estimate the height and inundation distance of exceptional waves. Our results demonstrate that no known or probable storm is capable of detaching and transporting the boulders. Tsunami waves 4 m in height are enough to transport the boulders. We conclude the Makran coast has archived evidence of palaeo-tsunami events generated in the Makran subduction zone
Herbert, Gaëlle. "Modélisation et observation de la dynamique haute fréquence de la circulation du Golfe de Gascogne". Phd thesis, Université Paul Sabatier - Toulouse III, 2012. http://tel.archives-ouvertes.fr/tel-00755017.
Texto completo da fonteHerbert, Gaëlle. "Modélisation et observation de la dynamique haute fréquence de la circulation du golfe de Gascogne". Phd thesis, Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1751/.
Texto completo da fonteWe analyse the variability of winter upper circulation in the southern Bay of Biscay from satellite and in situ observations and numerical simulations based on the SYMPHONIE code. We aim to get a better insight on the high frequency dynamics (a few hours to a few days) due to atmospheric forcing and estimate the adequacy of available tools to observe and simulate these processes. We first determine whether a coastal altimetric dataset (based on TOPEX/Poseidon and Jason-1 alongtrack data) can detect occurrences of a slope current (the Iberian Poleward Current, IPC). The results show the ability of altimetry to monitor IPC pulses under any atmospheric conditions or when the SST signature is weak, that makes it as an essential component for the IPC observing system in addition to satellite SST and mooring data. Then, we analyse the ocean response to storm Klaus that occurred on January 24th 2009 and its representation in a numerical simulation. More specifically, we characterize the response in temperature and salinity and the vertical mixing processes, the response in surface currents and the surge associated to the windstorm. The realism of the numerical simulation to represent these processes is evaluated by comparisons with satellite and in situ observations. Besides, a large part of the study is dedicated to improve the numerical simulations making several tests on parametrisations
Vu, Phuong Lan. "Altimétrie spatiale, réflectométrie GNSS et surcotes marines". Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30076.
Texto completo da fonteThe objective of this PhD thesis was to develop an innovative remote sensing methodology, based on existing platforms, to monitor the main factors influencing coastal dynamics. We propose monitoring based on a classic tool i.e. satellite altimetry but with a focus on new space missions (SARAL, Sentinel-3). Whose contributions will be evaluated, particularly in the coastal zone, which is the most critical from a socio-economic point of view? I have focused my attention on the French Atlantic coast between La Rochelle and Bayonne. We will also rely on an original technique based on the reflection of GNSS positioning satellites (technical known as GNSS-R). These tools will allow us to precisely monitor the various tidal waves, but they have also allowed us to detect more unusual phenomena such as the extreme event of 2010: the storm Xynthia that affected the coasts of southern Europe. These tools demonstrate that it is also possible will also be able to see to monitor the coastal dynamics related to swell variations and its impact on coastal erosion, and even the effects of the strong atmospheric depression associated with Xynthia, which has had a measurable impact on the local sea level of the Atlantic Ocean. My thesis is focused on two complementary approaches based on two scales of study: the first one is global and used satellite altimetry, the second one is more local and focused on the extreme event detection and it is based on the GNSS reflectometry. The first study, which I carried out, relies on different satellite altimetry missions (ERS-2, Jason- 1/2/3, ENVISAT, SARAL) which allowed us to follow the sea level variations (SSH) from the French Atlantic coast to the south of the Bay of Biscay during the 1995-2015 period. SARAL data, including a footprint of around 6 km, show that it is now possible to approach the coastal fringe up to ~ 10 km with a great precision (RMSE ~ 20 cm). The second application is based on the GNSS-R methodology that we used to track SSH in the inner part of the bay of Saint Jean de Luz - Socoa during the storm Xynthia. Here again the results are exceptional since they allowed us to follow the impact of the storm Xynthia on the local level of the ocean. I thus highlighted that it was possible with only one instrument to follow the effects of the tides, and even the effects of the marine surges which associated to the impact of the atmospheric pressure on the sea level give a good correlation (R = 0.77 between the RC3 component and the surge, and R = 0.73 with the atmospheric pressure) during storm. Finally we also looked at what is happening in the transition between continental and oceanic waters for the deltas of the Red River and Mekong in Vietnam. And, even if the time series are rather short or truncated (Red River) the results are more than encouraging since they allowed us to follow the flooding events associated with two tropical storms (Mirinae and Nida) and to measure the delay between the rain falls and the propagation of the flood wave which shows in this case a delay of 48 h for Nida. With the deployment of permanent GNSS networks in many countries, this technique can be applied when a permanent GNSS station is located near the shore. The GNSS-R approach can be used to monitor sea level variations but also the effect of extreme events. For that we used 3 months of recordings (January-March 2010) from the Socoa GNSS station to determine the tidal components in the GNSS-R signals and to identify the Xynthia storm
Trabalhos de conferências sobre o assunto "Tempêtes côtières"
DESMAZES, Franck, Manuel GARCIN, Alexandre NICOLAE LERMA e Héloïse MULLER. "Méthodes de détermination du recul maximal des dunes côtières lors de tempêtes dans le cadre des Plans de Prévention des Risques Littoraux". In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2018. http://dx.doi.org/10.5150/jngcgc.2018.088.
Texto completo da fonteBALOUIN, Yann, Mathieu GERVAIS, Rémi BELON, Gonéri LE COZANNET, Sophie LECACHEUX, Yann KRIEN, Déborah IDIER e Rodrigo PEDREROS. "Caractérisation des tempêtes et de leur évolution sur le littoral du Golfe du Lion". In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.020-2.
Texto completo da fonteMEHDI, Khalid, Franck LAVIGNE, Khalid EL KHALIDI, Samira MELAS, Clérmont VIRMOUX, Bendahhou ZOURARAH, Daniel BRUNSTEIN e Alexandre SAHAL. "Apport du radar Géologique (GPR) à la connaissance de la répartition spatiale de dépôts de tempêtes des lagunes de Sidi Moussa et Oualidia (côte ouest atlantique marocaine)". In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2011. http://dx.doi.org/10.5150/cmcm.2011.047.
Texto completo da fonte