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Academic literature on the topic 'Hydrologie – Méthodes statistiques'
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Journal articles on the topic "Hydrologie – Méthodes statistiques"
Sambou, S. "Comparaison par simulation de Monte-Carlo des propriétés de deux estimateurs du paramètre d'échelle de la loi exponentielle : méthode du maximum de vraisemblance (MV) et méthode des moindres carrés (MC)." Revue des sciences de l'eau 17, no. 1 (April 12, 2005): 23–47. http://dx.doi.org/10.7202/705521ar.
Full textOuarda, T. B. M. J., P. F. Rasmussen, B. Bobée, and J. Bernier. "Utilisation de l'information historique en analyse hydrologique fréquentielle." Revue des sciences de l'eau 11 (April 12, 2005): 41–49. http://dx.doi.org/10.7202/705328ar.
Full textKebaili Bargaoui, Z. "Occurrence des sécheresses dans le bassin de la Medjerda (Tunisie)." Revue des sciences de l'eau 2, no. 3 (April 12, 2005): 429–47. http://dx.doi.org/10.7202/705038ar.
Full textEl Aoula, Rajae, Gil Mahé, Nadia Mhammdi, Abdellatif Ezzahouani, Ilias Kacimi, and Kenza Khomsi. "Évolution du régime hydrologique dans le bassin versant du Bouregreg, Maroc." Proceedings of the International Association of Hydrological Sciences 384 (November 16, 2021): 163–68. http://dx.doi.org/10.5194/piahs-384-163-2021.
Full textDescroix, Luc, Aïda Diongue Niang, Gérémy Panthou, Ansoumana Bodian, Youssouph Sane, Honoré Dacosta, Moussa Malam Abdou, Jean-Pierre Vandervaere, and Guillaume Quantin. "Évolution récente de la pluviométrie en Afrique de l’ouest à travers deux régions : la Sénégambie et le bassin du Niger moyen." Climatologie 12 (2015): 25–43. http://dx.doi.org/10.4267/climatologie.1105.
Full textJavelle, P., G. Galéal, and J. M. Grésillon. "L'approche débit-durée-fréquence : historique et avancées." Revue des sciences de l'eau 13, no. 3 (April 12, 2005): 305–23. http://dx.doi.org/10.7202/705396ar.
Full textHoang, Kim Huong, Monique Bernier, Sophie Duchesne, and Minh Y Tran. "Renforcement de la qualité d’information de l’occupation du sol par l’intégration de données satellitaires optiques et radar en support à la modélisation hydrologique." Revue des sciences de l’eau 31, no. 3 (December 10, 2018): 177–99. http://dx.doi.org/10.7202/1054302ar.
Full textCisse, Mohamed Talla, Soussou Sambou, Yaya Dieme, Clément Diatta, and Mamadou Bop. "Analyse des écoulements dans le bassin du fleuve Sénégal de 1960 à 2008." Revue des sciences de l’eau 27, no. 2 (June 13, 2014): 167–87. http://dx.doi.org/10.7202/1025566ar.
Full textGaléa, G., and S. Canali. "Régionalisation des modules annuels et des régimes d'étiage du bassin hydrographique de la Moselle française : lien entre modèles régionaux." Revue des sciences de l'eau 18, no. 3 (April 12, 2005): 331–52. http://dx.doi.org/10.7202/705562ar.
Full textDissertations / Theses on the topic "Hydrologie – Méthodes statistiques"
Zalachori, Ioanna. "Prévisions hydrologiques d’ensemble : développements pour améliorer la qualité des prévisions et estimer leur utilité." Electronic Thesis or Diss., Paris, AgroParisTech, 2013. http://www.theses.fr/2013AGPT0032.
Full textThe last decade has seen the emergence of streamflow probabilistic forecasting as the most suitable approach to anticipate risks and provide warnings for public safety and property protection. However, beyond the gains in security, the added‐value of probabilistic information also translates into economic benefits or an optimal management of water resources for economic activities that depend on it.In streamflow forecasting, the uncertainty associated with rainfall predictions from numerical weather prediction models plays an important role. To go beyond the limits of classical predictability, meteorological services developed ensemble prediction systems, which are generated on the basis of perturbations of the initial conditions of the models and stochastic variations in their parameterization. Equally probable scenarios of the evolution of the atmosphere are proposed for forecasting horizons up to 10‐15 days.The integration of weather ensemble predictions in the hydrological forecasting chain is an interesting approach to produce probabilistic streamflow forecasts and quantify the total predictive uncertainty in hydrology. Last and final summary in the thesis
Zalachori, Ioanna. "Prévisions hydrologiques d’ensemble : développements pour améliorer la qualité des prévisions et estimer leur utilité." Thesis, Paris, AgroParisTech, 2013. http://www.theses.fr/2013AGPT0032/document.
Full textThe last decade has seen the emergence of streamflow probabilistic forecasting as the most suitable approach to anticipate risks and provide warnings for public safety and property protection. However, beyond the gains in security, the added‐value of probabilistic information also translates into economic benefits or an optimal management of water resources for economic activities that depend on it.In streamflow forecasting, the uncertainty associated with rainfall predictions from numerical weather prediction models plays an important role. To go beyond the limits of classical predictability, meteorological services developed ensemble prediction systems, which are generated on the basis of perturbations of the initial conditions of the models and stochastic variations in their parameterization. Equally probable scenarios of the evolution of the atmosphere are proposed for forecasting horizons up to 10‐15 days.The integration of weather ensemble predictions in the hydrological forecasting chain is an interesting approach to produce probabilistic streamflow forecasts and quantify the total predictive uncertainty in hydrology. Last and final summary in the thesis
Riad, Souad. "Typologie et analyse hydrologique des eaux superficielles à partir de quelques bassins versants représentatifs du Maroc." Lille 1, 2003. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2003/50376-2003-Riad.pdf.
Full textAl, Hussein Mahmoud. "L'évolution des paysages agraires des plateaux limoneux de grandes cultures et ses conséquences sur le déclenchement des phénomènes hydriques dans le nord-ouest de la France." Rouen, 2011. http://www.theses.fr/2011ROUEL001.
Full textThe loamy plains of north-west France have been undergoing damages due to the increasing of erosive phenomena, of which the peaty slide inundations. Our research aims at studying the recent evolution of the soil cover in the landscapes of loamy plains and their impact on the outbreak of catastrophic hydraulic phenomena in the following regions: Upper-Normandy, North-Pas-de-Calais and Picardy. This study also is going to test the effectiveness of Corinne Land Cover data, to clarify the determinants of erosive runoff and peaty slide inundations, to compare the results with the three methods (Agreste, GIS and satellite), but also to suggest some solutions for decreasing the erosive runoff and the peaty slide inundations in the studied regions
Gaillard, David. "Gestion concertée du ruissellement-érosif dans les espaces agricoles des plateaux de grande culture : analyse spatiale, approche socio-économique et mise en place d'une dynamique collective d'aménagement : exemple de la Seine-Maritime." Rouen, 2004. http://www.theses.fr/2004ROUEL490.
Full textPeaty slide inundation in the Pays de Caux became a priority for regional development. The run-off is the most important factor that can explain the fact and frequency of this type of inundation. A space ans systemic approach at the scale of the elementary water-shed allows co-ordinated actions to appear, that have been decided and approved on a collective basis, which is a guaranty of effectiveness and efficiency. In addition to selective post corrective measures located right below vulnerable areas, efforts and reflections are made about the manner to reconsidering upper-water-shed practices. Mixing both significant scales ( elementary water-shed and farm), space analysis and modelling allow to suggest measures to fight run-off and erosion. Tese measures are individuals but with collective imperatives, which guatantees the homogenisation of devices on the area at risk, and implies a mediation and a dialogue aiming at reorganising the space of the farms. The socio-economic approach allows to adapt the erosive run-off limitation requirements to the financial and structural constraints of the agricultural company
Kharroubi, Ouissem. "Prévision des crues par modèle de réseau de neurones artificiels : application au bassin versant de l’Eure." Thesis, Lille 1, 2013. http://www.theses.fr/2013LIL10034/document.
Full textThe growth of riparian populations generates an increase in vulnerability of our societies to flood. Therefore, a high social demand to prevent and predict these natural disasters must be tacking to protect the population against floods. To achieve this objective, the provision of flood forecasting tools, operational and reliable, is primordial. But the flood forecasting still an exercise far from being evident. Firstly, because the forecast requirements (precision and time anticipation) are becoming more and more higher. And secondly, because the physical flood forecasting tools is limited by the relative knowledge of floods hydro-systems. In this context, this thesis presents the work done to produce rainfall-runoff flood forecasting models based on artificial neural networks (ANN) in the Eure watershed (and two sub-basins) up to a 48 hours horizon forecasting. Firstly, an analysis of the geographical complexity of studied basins will be conducted in order to determine the different factors that influencing the hydrological Eure watershed regime. Then, a methodological process to data statistical analysis, has allowed a synthesis on the hydrological nature of the watersheds studied and brings the elements needed to the definition of the non-linear relations rainfall-runoff. This contribution has allowed the creation of a rainfall-runoff nonlinear model for flood forecasting. ANN model able to perform a reliable forecasting of flood up to a 48 hours horizon forecasting. This process has been tested on three watersheds and the test results show a reliable forecasts as well as an ability of generalization to other hydro-systems
Nérini, David. "Analyse statistique de processus physiques et chimiques en océanologie c^otière à l'aide d'une méthode de régression et de classification par arbre décisionnel : Application à l'étude d'un milieu fortement perturbé : l'Etang de Berre." Aix-Marseille 2, 2000. http://www.theses.fr/2000AIX22100.
Full textRoux, Christian. "Analyse des précipitations en hydrologie urbaine - Exemple de la Seine-Saint-Denis." Phd thesis, Ecole Nationale des Ponts et Chaussées, 1996. http://tel.archives-ouvertes.fr/tel-00529474.
Full textRandrianasolo, Rindra Annie. "Généralisation de l'approche d'ensemble à la prévision hydrologique dans les bassins versants non jaugés." Electronic Thesis or Diss., Paris, AgroParisTech, 2012. http://www.theses.fr/2012AGPT0083.
Full textFlood forecasting is a complex hydrological task: there are numerous uncertainties in the hydrological modelling process, in the determination of the initial catchment conditions before launching the forecast, and in the evolution of future weather conditions. In ungauged catchments, where streamflow observations are incomplete or absent, these uncertainties are even greater, and the need to reduce them becomes essential.This thesis focuses on simple and robust methods that can provide relevant information to quantify the uncertainty in ungauged catchments. The aim is to study the best strategy to search for information in gauged "donors" basins and to transfer it to the ungauged site. We investigate what information is needed to set up a rainfall-runoff model and to perform forecast updating in real time. These two components of a flood forecasting system are thus decoupled in our approach.This thesis is based on a large database of about 1000 French catchments, which includes a key set of 211 catchments that are used to validate the developed approaches. It also relies on an archive of about 4.5 years of ensemble forecasts of rainfall, which are used for hydrological modelling on a daily time step. The methodology adopted here integrates the scenarios of regional transfer of information and the scenarios of weather forecasting together in a forecasting system for ungauged basins. The approach of ensemble forecasting is thus generalised to this particular case of hydrological forecasting. Using several scenarios of future flows, we seek to quantify the predictive uncertainty in ungauged sites.To evaluate the flow forecast scenarios of the hydrological ensemble prediction system, a diagnostic framework with several numerical and graphical criteria is developed. Special attention is paid to the attributes of "reliability" and "accuracy" of the forecasts. We propose a new graphic criterion, named "diagram of ensemble accuracy". This criterion allows to highlight the quality of forecasts that are not necessarily reliable, but are accurate.The results show that forecast reliability in ungauged sites can be improved by using several sets of parameters from neighbour catchments. If on the one hand the variability brought by the information from the geographical proximity influences the spread of the ensemble forecasts, and thus improves forecast reliability, on the other hand taking into account the physical characteristics of the catchments, especially the surface, emerged as an interesting alternative, as it positively influences also the accuracy of the forecasts at the ungauged site.It is also shown that the accuracy of ensemble forecasts at ungauged sites can be improved with the transfer of updating information from gauged neighbour catchments (forecasting updating is here characterized by the assimilation of the last discharge observation in the hydrological model before the time of forecast). The updating information transferred to the ungauged site is the correction applied to the routing reservoir of the hydrological model. Different measures of forecast performance showed that the best option to improve forecast accuracy is to consider the corrections made at the closest gauged site. Kriging also gave satisfactory results, with additionally a positive impact also on the reliability of the ensemble flow forecasts
Randrianasolo, Rindra Annie. "Généralisation de l'approche d'ensemble à la prévision hydrologique dans les bassins versants non jaugés." Phd thesis, AgroParisTech, 2012. http://pastel.archives-ouvertes.fr/pastel-00954967.
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