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Academic literature on the topic 'Inondations – Facteurs climatiques – Modèles mathématiques'
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Journal articles on the topic "Inondations – Facteurs climatiques – Modèles mathématiques"
Saint-Laurent, D., and L. Lavoie. "Les différentes approches méthodologiques de reconstitution des paléo-inondations : une revue de la littérature." Revue des sciences de l'eau 17, no. 1 (April 12, 2005): 91–115. http://dx.doi.org/10.7202/705524ar.
Full textDissertations / Theses on the topic "Inondations – Facteurs climatiques – Modèles mathématiques"
Vidil, Christophe. "Gestion des eaux pluviales et changements climatiques : Étude de deux secteurs urbains." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28896/28896.pdf.
Full textKouki, Slim. "An experiment on the parameter uncertainty of hydrological models with different levels of complexity in a climate change context." Doctoral thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/26979.
Full textThe possibility to estimate the impact of climate change on the hydrological behavior of hydrosystems, the hydrological risks, and the associated resources is a necessity in order to anticipate the inevitable and necessary adaptations that must consider our societies. In this context, the doctoral project presents a study on the evaluation of the uncertainty of hydrological projections for the future climate when considering: (i) The non-robustness of hydrological model parameter identification, (ii) the use of several ensembles of equifinal parameter sets over a given calibration period and (iii) the use of different model structures for the hydrological model. To quantify the impact of the first source of uncertainty on the model outputs, four climatically contrasted sub-periods are first identified within the observed time series. The models are calibrated on each of these four periods, then generated outputs are analyzed on calibration and validation data. The calibration and validation tests were performed according to the configurations of four Different Split-sample Tests (Klemeš, 1986; Wilby, 2005; Seiller et al., 2012; Refsgaard et al., 2014). In order to study the second source of uncertainty related to the model structure, the equifinality of the parameter sets is taken into account by considering an ensemble of equifinal parameter sets for each sub-period calibration. Finally, to assess the third source of uncertainty, five hydrological models of different levels of complexity are applied (GR4J, MORDOR, HSAMI, SWAT, and HYDROTEL) on the watershed of the Au Saumon River (Québec, Canada).The three sources of uncertainty are assessed in the past observed period and in future climate conditions. Results show that, given the evaluation approach followed in this Ph.D. research, the use of different levels of complexity of hydrological models is the major source of variability in streamflow projections in future climate conditions for the five models tested. This is followed by the lack of robustness of parameter identification. The hydrological projections generated by an ensemble of equifinal parameter sets are close to those associated with the optimal set. Therefore, it seems that greater effort should be invested in improving the robustness of models for climate change impact studies, especially by developing more suitable model structures and proposing calibration procedures that increase their robustness. This work serves to provide a detailed response on our ability to make a diagnosis of the impacts of climate change on water resources of the Au Saumon watershed and proposes a novel methodological approach that can be directly applied or adapted to other hydro-climatic contexts.
Coulombe, Sébastien. "Détermination de l'incertitude associée à la détection de l'effet des changements climatiques sur le rendement des strates d'épinette noire de la forêt boréale." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/21095.
Full textDuchesne, de Ortiz Isabelle. "L'effet du climat sur les plantes fourragères au Québec : estimation des pertes par la modélisation." Doctoral thesis, Université Laval, 2010. http://hdl.handle.net/20.500.11794/22397.
Full textFlamand, Claude. "Etude des déterminants climatiques et environnementaux de la dengue en Guyane française." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS256.
Full textDengue is the most prioritized infectious disease in French Guiana with an intense mobilization of public health authorities. In this context, the improvement of knowledge on the climatic, environmental and demographic determinants of dengue transmission is a necessary condition to the development of epidemic prediction model for the planning of control activities at each level of organization of the territory. This thesis had two objectives: i) assess the effect of climatic and environmental factors on dengue spread; ii) develop prediction models of epidemic to anticipate and plan prevention and control activities. We used complementary statistical, data mining and modeling tools to show that climatic and environmental factors interplay with dengue incidence differently at different territory scales. A predictive model with a good performance was developped considering the whole territory of French Guiana. This model indicates that a dengue epidemic is likely to occur in 2016