Literatura científica selecionada sobre o tema "Inondations marines"
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Artigos de revistas sobre o assunto "Inondations marines"
Sauvagnargues, Sophie, Pierre-Alain Ayral, Florian Tena-Chollet, Noémie Fréalle e Thibault Wassner. "Méthodologie d'appui aux communes pour la gestion de crise des inondations fluviales et côtières : évaluation objective des plans communaux de sauvegarde (PCS) et organisation d'exercices de gestion de crise". La Houille Blanche, n.º 3-4 (outubro de 2019): 49–56. http://dx.doi.org/10.1051/lhb/2019042.
Texto completo da fonteJalbert, Jean. "La Camargue, un delta face au défi climatique". Annales des Mines - Responsabilité et environnement N° 112, n.º 4 (25 de outubro de 2023): 104–7. http://dx.doi.org/10.3917/re1.112.0104.
Texto completo da fonteLetortu, Pauline, Stéphane Costa, Olivier Cantat e Olivier Planchon. "Conditions météo-marines responsables des inondations par la mer en Manche orientale française". La Houille Blanche, n.º 2 (abril de 2016): 41–46. http://dx.doi.org/10.1051/lhb/2016017.
Texto completo da fonteSaffache, Pascal, e Yoann Pélis. "Premiers résultats de l’évaluation des effets de l’élévation du niveau de la mer à échelle opérationnelle : le cas de la Communauté d’agglomération de l’Espace Sud de la Martinique (CAESM)". Hérodote 194, n.º 3 (19 de setembro de 2024): 115–29. http://dx.doi.org/10.3917/her.194.0115.
Texto completo da fonteAndreevsky, Marc, e Roberto Frau. "Compte rendu de la conférence internationale EVAN 2019". La Houille Blanche, n.º 1 (fevereiro de 2020): 92–94. http://dx.doi.org/10.1051/lhb/2020004.
Texto completo da fonteLetortu, Pauline, Stéphane Costa e Olivier Cantat. "Les submersions marines en manche orientale : approche inductive et naturaliste pour la caractérisation des facteurs responsables des inondations par la mer". Climatologie, Volume 9 (2012). http://dx.doi.org/10.4267/climatologie.165.
Texto completo da fonteTeses / dissertações sobre o assunto "Inondations marines"
Hequet, Nicolas. "La responsabilité administrative des personnes publiques découlant des ouvrages de protection contre les inondations et submersions marines". Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0016.
Texto completo da fonteIn accordance with article 33 of the 16 september 1807 act relating to the draining of marshes, owners of dams are legally responsible for maintaining and monitoring the dams’ security. Various laws have clarified and strengthened the management and maintenance duty of dams over time to provide a sense of security. Despite the fact that the dams are built to protect people’s security, they have been considered as “hazardous structures” due to the potential risk of collapse. In addition, the legal concept of ‘dams disaster’ has emerged and been established, recognizing the limits of water proofing works as well as improvement and maintenance works and legally recognizing even unexpected disasters. Flooding and submersions occurred during last two decades demonstrated a significant lack of adequate maintenance for dams throughout the mainland France. The cause of lack of maintenance can be attributed to a complicated structure of ownership, which include many stakeholders and also to the owners’ unwillingness or lack of funding to make investments required for improvement and maintenance works. But, these stakes often go beyond the protection of their property. Furthermore, the responsibility of dam owners has been allocated to local authorities to offset deficiencies, but it was done so without preparing financial measures necessary for maintenance works and fully assessing the level of funds needed
Marone, Augustin. "Diagnostic des risques d’inondations continentales et marines : application à l’échelle des communes de Rufisque (Sénégal)". Caen, 2016. http://www.theses.fr/2016CAEN1029.
Texto completo da fonteIn Sénégal natural risks are one major preoccupation. With regard to the two last decades these phenomena have been increasing. They affect almost all the country, Dakar and its suburbs in particular. In summer times two major events, that are often concomitant, affect Rufisque. The diagnosis of natural phenomena goes through an inductive method is led by naturalist and historical approaches. The comprehension of the mechanism and the evolution of frequency/intensity of these risks are sustained by these works: (1) Making a list of past and recent events in which we can find the rainfall and sea-weather threshold from which the damage occurred ; (2) Identify the factors responsible for the uncertainties, taking into account predisposing factors , triggering factors , and aggravating factors ; (3) From morphological indicators, determining the areas which have been touched, which will give invaluable information on the rainfall routing and the velocities of flow ; (4) Making flood hazard maps and flood risk maps on the local level ; Explaining the mitigation measures, which could help to make decisions and develop a Flood Risk Prevention Plan and a Marine Submersion Risk Prevention Plan
Jodry, Clara. "Développements méthodologiques pour l’imagerie et le suivi temporel par méthodes géoélectriques des structures de protection contre les inondations fluviales ou les submersions marines". Nantes, 2016. https://archive.bu.univ-nantes.fr/pollux/show/show?id=866caffc-868f-436f-9d0b-01237b677612.
Texto completo da fonteThe diagnosis and monitoring of flood protection structures are major concerns. As part of the RS2EOSUNA project (Region Pays de la Loire), this thesis has contributed to this by methodological developments centered on electrical resistivity imaging (ERI), combined with other geophysical methods and direct observations (permanent instrumentation). The developments have been specifically applied to two sites in real conditions: an embankment levee along the Loire River near Saumur and a grey dune on the island of Noirmoutier. The first scientific objective of this work involved the characterization of the internal structure of the investigated objects. A recent approach in ERI, that takes into account the 3D effects without increasing the cost of the method relative to a conventional 2D approach, has been adapted and tested. On the levee, the approach has proven to be very effective. For the grey dune, the preliminary results on this natural site still show imaging challenges. The second objective concerned the monitoring, on different time scales, of changes in internal properties of the medium. We used optimized acquisition protocols and conventional 2D inversion methods. On the levee, the temporal changes described by ERI are consistent with the direct measurements of the parameters of the soil. For the grey dune, the temporal variations have proven to be of very low amplitude due to an extremely specific geological setting. The work is ends with a methodological comparison between the two sites and proposes future prospects for further research and improvement of the developed approaches
Yembi-Yembi, Louis Kadryl. "Evaluatiοn de la vulnérabilité urbaine face aux inοndatiοns induites par la mer : le cas de la cοmmune de Ροrt-Gentil (Gabοn)". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC007.
Texto completo da fonteLocated in the Ogooué Maritime province in Gabon, specifically on the island of Mandji, the city of Port-Gentil is exposed to a variety of natural and anthropogenic risks. Among these risks, marine flooding, although less frequent than rainfall-induced flooding, poses a serious threat to the city's economic and social aspects. This threat is exacerbated by the city's continued expansion into risk-prone areas, particularly along the coast and in areas prone to tidal flooding. Therefore, this research aims to understand the current and future impact of marine flooding on Port-Gentil, as well as the factors contributing to its vulnerability. This thesis proposes a multidimensional evaluation of the vulnerability of urban areas facing natural risks, focusing on sea -induced flooding. To do so, it adopts a multidisciplinary and systemic approach to integrate as many relevant elements as possible in this assessment. This methodological approach, both multidisciplinary and/or transdisciplinary, allows for the structuring of this evaluation into two complementary phases. The first phase offers an evaluation of physical vulnerability by examining hazard from a historical, prospective, and cartographic perspective. It also provides an assessment of the structural issues in urban space, such as land use, road networks, and buildings, using synthetic indices of physical vulnerability. The second phase proposes an evaluation of societal vulnerability by analyzing the population's and local authorities' representation of risk, using tools and survey techniques commonly used in social sciences. The results reveal a significant exposure of the city to marine flooding, both current and future. According to the most extreme scenario, approximately 75% of the northern part of Mandji Island would be exposed to marine flooding by 2100, with the historic downtown area being the most exposed and vulnerable sector. Many strategic city infrastructures could be affected, particularly at high levels of physical vulnerability. The canal network would act as an amplifier of flood propagation. Societally, it appears that marine flooding is not a major priority for the population and local authorities, which would increase the city's vulnerability. The study also highlights differences in representation between the population and authorities regarding the extent of the risk. Moreover, trust between the population and local authorities is low regarding management and financing. Governance system gaps are observed due to institutional instability, overlapping competencies, inadequacy of risk regulations, and lack of human and financial resources for local actions. This thesis provides valuable insights to stakeholders involved in natural risk management in Port-Gentil, emphasizing the importance of a holistic approach in urban areas for a more effective assessment of vulnerability in coastal cities, particularly in Africa
Breilh, Jean-François. "Les surcotes et les submersions marines dans la partie centrale du Golfe de Gascogne : les enseignements de la tempête Xynthia". Thesis, La Rochelle, 2014. http://www.theses.fr/2014LAROS009/document.
Texto completo da fonteStorm-induced coastal flooding are major natural disasters, responsible for thousands of deaths and billions of euros of damages each year. The central part of the Bay of Biscay is vulnerable to this hazard, as recently shown by the strong flooding induced by Xynthia in 2010. This study aims to improve the understanding of storm surges and coastal floods in this area of France, using several methods such as numerical or static modeling. To assess the uniqueness of Xynthia, historical researches of coastal floods affecting the study area for 500 years was conducted. Numerical modeling of the storm surges related to 5 storms of the 20th century revealed by these researches shows that various meteo-oceanic settings induced water levels and coastal floods comparable to those caused by Xynthia. This finding challenges return periods estimations of extreme sea levels based on statistical analysis of tide gauges measurements and highlights the contribution of the historical approach to such issues. Given the high vulnerability on coastal floods of Pertuis Charentais, static modeling, a simple but frequently used method to estimate the extension of flooded areas is evaluated. This analysis shows that this method provides good estimations of flood extents in low-lying areas characterized by a small distance between the shoreline and the continental limits of the lower area, but bad estimations when this distance is large. These poor performances when floods spread away from the coastline are explained by the dynamics of the flow, which can no longer be ignored. Two coastal defenses strategies are investigated in the Charente-river Estuary by numerical modeling. Water levels and coastal floods induced by Xynthia are simulated with increased dikes height, preventing flooding of adjacent low-lying areas, and then with dikes lowered to highest high spring tide height and with a second rank of dikes preventing flooding of important issues areas, such as the town of Rochefort. It is shown that raising dikes leads to higher levels of 1.2 m in Rochefort compared to the simulation without changing dikes, while protecting issues do not affect the water level in the estuary. Thus, it is demonstrated that the systematic raising of dikes is not a solution because it can increase the vulnerability of important issues areas
André, Camille. "Analyse des dommages liés aux submersions marines et évaluation des coûts induits aux habitations à partir de données d'assurance : perspectives apportées par les tempêtes Johanna (2008) et Xynthia (2010)". Phd thesis, Université de Bretagne occidentale - Brest, 2013. http://tel.archives-ouvertes.fr/tel-00961315.
Texto completo da fonteZainescu, Florin Iulian. "Fluvio-marine interactions and sediment dynamics in river mouth areas". Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0697.
Texto completo da fonteThis thesis started from the observation that river mouths play a central role in the development of the Danube Delta and from an intuition that river mouths, as suppliers of sediment and water to coastal areas are quintesential in understanding river-influenced coasts. The present thesis is based on field data which comprises bathymetric surveys, measured river water and solid discharges, wave and wind data, ADCP data, topographic profiles, satellite imagery. Also, a big part of the thesis is dedicated to using the Mike 21/3 by DHI (Danish Hydraulic Institute), a coupled hydrodynamic and wave model.Results show a linear response in bathymetric change in relation to the relative influence of floods and storms and that change can be predicted by a Flood/Storm index based on river water or sediment discharge and wave height proxies (R^2=0.84). Furthermore, the analysis is extended using exploratory modelling to a full range of conditions. Jet deflection is predicted by a balance of river jet discharge and longshore current discharge, such that the jet is deflected (undeflected) when the longshore current is much higher (much lower) than the river jet, and a ~45* deflection is predicted when the discharge of jet equals the discharge of the longshore current.Finally, the thesis sketches a preliminary scheme for the sediment transport at the wave-influenced Sf. Gheorghe lobe, taking into account the known sources and sinks, based on bathymetric measurements and numerical modelling results; and outlines the actions needed to envisage a full sediment transport scheme which is needed for a successful management of the deltaic coast
Cariolet, Jean-Marie. "Inondation des côtes basses et risques associés en Bretagne : vers une redéfinition des processus hydrodynamiques liés aux conditions météo-océaniques et des paramètres morpho-sédimentaires". Phd thesis, Université de Bretagne occidentale - Brest, 2011. http://tel.archives-ouvertes.fr/tel-00596426.
Texto completo da fonteCariolet, Jean-Marie. "Inondation des côtes basses et risque associés en Bretagne : vers une redéfinition des processus hydrodynamiques liés aux conditions météo-océaniques et des paramètres morpho-sédimentaires". Brest, 2011. https://tel.archives-ouvertes.fr/tel-00596426.
Texto completo da fonteFrom the study cf past coastal floociing events and in situ measurements realised during this work, the main objective cf this thesis was to better understand the atmospheric, marine and hydro-sedimentary processes that take place during coastal flooding along the coasts of Brittany
Letortu, P. "Le recul des falaises crayeuses haut-normandes et les inondations par la mer en Manche centrale et orientale : de la quantification de l'aléa à la caractérisation des risques induits". Phd thesis, Université de Caen, 2013. http://tel.archives-ouvertes.fr/tel-01018719.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Inondations marines"
CARTIER, Adrien, Antoine TRESCA, Nicholas GRUNNET, Bertrand MICHARD, Nicolas FORAIN e Thomas VIAL. "Confortement d’un ouvrage de prévention des inondations et des submersions marines : l’exemple de la digue des Alliés à Dunkerque". In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.070.
Texto completo da fonteRelatórios de organizações sobre o assunto "Inondations marines"
Todd, B. J. Benthic habitat of the Gulf of Maine: The legacy of Mesozoic to Cenozoic geological history. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/ppqrvcdqus.
Texto completo da fonte