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Academic literature on the topic 'PLUVIOMÈTRES'
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Journal articles on the topic "PLUVIOMÈTRES"
Neppel, L., M. Desbordes, and J. M. Masson. "Influence de l'évolution dans l'espace et le temps d'un réseau de pluviomètres sur l'observation des surfaces de pluie en fonction de leur aire." Revue des sciences de l'eau 11, no. 1 (April 12, 2005): 43–60. http://dx.doi.org/10.7202/705296ar.
Full textMillet, A., T. Bariac, C. Grimaldi, and J. Boulègue. "Signature isotopique et chimique des précipitations (pluies et pluviolessivats) en Guyane française." Revue des sciences de l'eau 12, no. 4 (April 12, 2005): 729–51. http://dx.doi.org/10.7202/705375ar.
Full textAndrieu, Hervé. "La mesure de pluie par radar : du calibrage par des pluviomètres vers l'interprétation physique des images." La Houille Blanche, no. 2 (April 2002): 32–36. http://dx.doi.org/10.1051/lhb/2002016.
Full textDelrieu, Guy, Pierre-Emmanuel Kirstetter, John Nicol, and Luc Neppel. "L’événement pluvieux des 8-9 septembre 2002 dans le Gard : estimation des précipitations par radars et pluviomètres." La Houille Blanche, no. 6 (November 2004): 93–98. http://dx.doi.org/10.1051/lhb:200406013.
Full textKirstetter, Pierre-Emmanuel, Guy Delrieu, and Hervé Andrieu. "Estimation quantitative des précipitations par radar météorologique: inférence de la structure verticale des pluies, modélisation des erreurs radar-pluviomètres." La Houille Blanche, no. 6 (December 2009): 150–56. http://dx.doi.org/10.1051/lhb/2009093.
Full textDelrieu, G., A. Bellon, and J. D. Creutin. "Estimation de lames d'eau spatiales à l'aide de données de pluviomètres et de radar météorologique — Application au pas de temps journalier dans la région de Montréal." Journal of Hydrology 98, no. 3-4 (April 1988): 315–44. http://dx.doi.org/10.1016/0022-1694(88)90020-0.
Full textKieffer, A., and P. Bois. "Variabilité des caractéristiques statistiques des pluies extrêmes dans les Alpes francaises." Revue des sciences de l'eau 10, no. 2 (April 12, 2005): 199–216. http://dx.doi.org/10.7202/705277ar.
Full textHoang, Cong-Tuan, Iouli Tchiguirinskaia, Daniel Schertzer, and Shaun Lovejoy. "Caractéristiques multifractales et extrêmes de la précipitation à haute résolution, application à la détection du changement climatique." Revue des sciences de l’eau 27, no. 3 (December 15, 2014): 205–16. http://dx.doi.org/10.7202/1027806ar.
Full textBoyard-Micheau, Joseph, and Pierre Camberlin. "Reconstitution de séries de pluies quotidiennes en Afrique de l’est : application aux caractéristiques des saisons des pluies." Climatologie 12 (2015): 83–105. http://dx.doi.org/10.4267/climatologie.1142.
Full textEstrada Avalos, J., J. M. Lamachère, and J. P. Thiébaux. "Modélisation hydrologique globale conceptuelle appliquée aux petits bassins versants en zone semi-aride du nord-Mexique." Revue des sciences de l'eau 17, no. 2 (April 12, 2005): 195–212. http://dx.doi.org/10.7202/705530ar.
Full textDissertations / Theses on the topic "PLUVIOMÈTRES"
Dilmi, Mohamed Djallel. "Méthodes de classification des séries temporelles : application à un réseau de pluviomètres." Electronic Thesis or Diss., Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2019SORUS087.pdf.
Full textThe impact of climat change on the temporal evolution of precipitation as well as the impact of the Parisian heat island on the spatial distribution of précipitation motivate studying the varaibility of the water cycle on a small scale on île-de-france. one way to analyse this varaibility using the data from a rain gauge network is to perform a clustring on time series measured by this network. In this thesis, we have explored two approaches for time series clustring : for the first approach based on the description of series by characteristics, an algorithm for selecting characteristics based on genetic algorithms and topological maps has been proposed. for the second approach based on shape comparaison, a measure of dissimilarity (iterative downscaling time warping) was developed to compare two rainfall time series. Then the limits of the two approaches were discuddes followed by a proposition of a mixed approach that combine the advantages of each approach. The approach was first applied to the evaluation of spatial variability of precipitation on île-de-france. For the evaluation of the temporal variability of the precpitation, a clustring on the precipitation events observed by a station was carried out then extended on the whole rain gauge network. The application on the historical series of Paris-Montsouris (1873-2015) makes it possible to automatically discriminate "remarkable" years from a meteorological point of view
Messaoud, Mohamed. "Hydrologie aux fines échelles de temps et d'espace à partir des données de pluviomètres et d'un radar météorologique." Clermont-Ferrand 2, 1989. http://www.theses.fr/1989CLF21169.
Full textKirstetter, Pierre-Emanuel. "Estimation quantitative des précipitations par radar météorologique : inférence de la structure verticale des pluies, modélisation des erreurs radar-pluviomètres." Université Joseph Fourier (Grenoble), 2008. http://www.theses.fr/2008GRE10121.
Full textThe cévennes-vivarais mediterranean hydrometeorological observatory is a research initiative aimed at improving the rainfall observation. A number of innovative quantitative precipitation estimation (qpe) algorithms aimed at a space-time adaptive radar data processing were developed using the dataset of the bollène 2002 experiment. The last involved the operational weather radar of bollène, which is part of the aramis network. Our contribution in the present thesis deals with the vertical heterogeneity of rainfall. We consider the vertical profile of reflectivity inversion method proposed by andrieu et creutin (1995). It is adapted to the case of time-varying geographical supports designed with preliminary rain typing. Characterizing the error structure of radar quantitative precipitation estimates is recognized as a major issue. We assess the radar qpe with respect to reference rain estimates derived from rain gauge networks. A geostatistical framework is proposed for the establishment of such reference estimates. Assuming the residual between radar and reference value to be a random variable, we describe radar error by mean of probability distributions. The model consists in an additive random error, described by a random distribution. Some elements of space-time error structure are given. A new approach to determine the vertical profile of reflectivity (vpr) is proposed. It is based on a simplified microphysics in synergy with radar observations to simulate the vpr. A vpr is described with a reduced number of physical parameters. The new identified vprs are thus less refined but more valid and robust than the initial method
Chamsi, Nizar. "Estimation des précipitations à partir de la réflectivité radar dans les systèmes convectifs tropicaux." Toulouse 3, 1992. http://www.theses.fr/1992TOU30134.
Full textNeppel, Luc. "Le risque pluvial en région Languedoc-Roussillon : caractérisation de l'aléa climatique." Montpellier 2, 1997. http://www.theses.fr/1997MON20144.
Full textLegorgeu, Carole. "Amélioration des estimations quantitatives des précipitations à hautes résolutions : comparaison de deux techniques combinant les observations et application à la vérification spatiale des modèles météorologiques." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2013. http://tel.archives-ouvertes.fr/tel-00872131.
Full textThauvin, Valérie. "Etude de la répartition spatiale des précipitations en milieu sahélien à l'aide du réseau dense de pluviographes de l'expérience EPSAT-Niger : application à la détermination de la précision des moyennes surfaciques au pas de temps de l'évènement pluvieux." Montpellier 2, 1992. http://www.theses.fr/1992MON20220.
Full textNavas, Nunez Rafael. "Modélisation hydrologique distribuée des crues en région Cévennes-Vivarais : impact des incertitudes liées à l'estimation des précipitations et à la paramétrisation du modèle." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAU025/document.
Full textIt is known that having a precipitation observation system at high space - time resolution is crucial to obtain good results in rainfall - runoff modeling. Radar is a tool that offers quantitative precipitation estimates with very good resolution. When it is merged with a rain gauge network the advantages of both systems are achieved. However, radars estimates have different uncertainties than those obtained with the rain gauge. In the modeling process, uncertainty of precipitation interacts with uncertainty of the hydrological model. The objective of this work is: To study methods used to quantify the uncertainty in radar – raingauge merge precipitation estimation and uncertainty in hydrological modeling, in order to develop a methodology for the analysis of their individual contributions in the uncertainty of rainfall - runoff estimation.The work is divided in two parts, the first one evaluates: How the uncertainty of radar precipitation estimation can be quantified? To address the question, the geostatistical approach by Kriging with External Drift (KED) and Stochastic Generation of Precipitation was used, which allows to model the spatio - temporal structure of errors. The method was applied in the Cévennes - Vivarais region (France), where there is a very rich observation system. The second part explains: How can it be quantified the uncertainty of the hydrological simulation coming from the radar precipitation estimates and hydrological modeling process? In this point, the hydrological mesoscale computation tool was developed; it is distributed hydrological software in time continuous, within the basis of the Curve Number and the Unit Hydrograph. It was applied in 20 spatio-temporal resolutions ranging from 10 to 300 km2 and 1 to 6 hours in the Ardèche (~ 1971 km2) and the Gardon (1810 km2) basins. After a sensitivity analysis, the model was simplified with 4 parameters and the uncertainty of the chain of process was analyzed: 1) Precipitation estimation; 2) Hydrological modeling; and 3) Rainfall - runoff estimation, by using the coefficient of variation of the simulated flow.It has been shown that KED is a method that provides the standard deviation of the precipitation estimation, which can be transformed into a stochastic estimation of the local error. In the chain of processes: 1) Uncertainty in precipitation estimation increases with decreasing spatio-temporal scale, and its effect is attenuated by hydrological modeling, probably due by storage and transport properties of the basin; 2) The uncertainty of hydrological modeling depends on the simplification of hydrological processes and not on the surface of the basin; 3) Uncertainty in rainfall - runoff treatment is the result of the amplified combination of precipitation and hydrologic modeling uncertainties
Gaussiat, Nicolas. "Mesure du contenu en eau et en glace des nuages en phase mixte par radars multifréquences." Toulouse 3, 2002. http://www.theses.fr/2002TOU30216.
Full textCeresetti, Davide. "Structure spatio-temporelle des fortes précipitations : application à la région Cévennes Vivarais." Phd thesis, Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00551316.
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