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Academic literature on the topic 'Régime pluviométrique'
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Journal articles on the topic "Régime pluviométrique"
Narcise Kabore, Pamalba, Amadé Ouedraogo, Moussa Sanon, Pascal Yaka, and Léopold Some. "Caractérisation de la variabilité climatique dans la region du centre-nord du burkina faso entre 1961 et 2015." Climatologie 14 (2017): 82–95. http://dx.doi.org/10.4267/climatologie.1268.
Full textBleuse, Nathalie, and Charles Mandar. "Le régime pluviométrique de la Guadeloupe." La Météorologie 8, no. 4 (1993): 42. http://dx.doi.org/10.4267/2042/53377.
Full textServat, É., J. E. Paturel, H. Lubès-Niel, B. Kouamé, J. M. Masson, M. Travaglio, and B. Marieu. "De différents aspects de la variabilité de la pluviométrie en Afrique de l'Ouest et Centrale non sahélienne." Revue des sciences de l'eau 12, no. 2 (April 12, 2005): 363–87. http://dx.doi.org/10.7202/705356ar.
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 textBricquet, J. P., F. Bamba, G. Mahe, M. Toure, and J. C. Olivry. "Évolution récente des ressources en eau de l'Afrique atlantique." Revue des sciences de l'eau 10, no. 3 (April 12, 2005): 321–37. http://dx.doi.org/10.7202/705282ar.
Full textGAUTIER, F., H. LUBES-NIEL, R. SABATIER, J. M. MASSON, J. E. PATUREL, and E. SERVAT. "Variabilité du régime pluviométrique de l'Afrique de l'Ouest non sahélienne entre 1950 et 1989." Hydrological Sciences Journal 43, no. 6 (December 1998): 921–35. http://dx.doi.org/10.1080/02626669809492187.
Full textBodian, Ansoumana, Honoré Dacosta, and Alain Dezetter. "Caractérisation spatio-temporelle du régime pluviométrique du haut bassin du fleuve Sénégal dans un contexte de variabilité climatique." Physio-Géo, Volume 5 (January 3, 2011): 107–24. http://dx.doi.org/10.4000/physio-geo.1958.
Full textFaty, Abdoulaye, Alioune Kane, and Amadou Lamine Ndiaye. "Influence de la manifestation climatique sur les régimes pluviométriques saisonniers dans le haut bassin versant du Sénégal." Revue des sciences de l’eau 30, no. 2 (January 22, 2018): 79–87. http://dx.doi.org/10.7202/1042915ar.
Full textDenis, Paul-Yves. "Constantes et contraintes climatiques dans les grandes oasis du piémont du Cujo (Argentine)." Cahiers de géographie du Québec 12, no. 25 (April 12, 2005): 103–21. http://dx.doi.org/10.7202/020790ar.
Full textRossel, F., P. Le Goulven, and E. Cadier. "Répartition spatiale de l'influence de l'ENSO sur les précipitations annuelles en Équateur." Revue des sciences de l'eau 12, no. 1 (April 12, 2005): 183–200. http://dx.doi.org/10.7202/705348ar.
Full textDissertations / Theses on the topic "Régime pluviométrique"
Chagnaud, Guillaume. "Évolutions du régime pluviométrique au Sahel Ouest-Africain : détection, éléments d'attribution et projections." Université Grenoble Alpes, 2022. http://www.theses.fr/2022GRALU027.
Full textAnthropogenic global warming has consequences on the hydrological cycle and in particular on rainfall at regional scales. Rainfall in the Sahel, driven by the West African monsoon, is characterized by significant variability over a wide range of spatial and temporal scales as well as by high sensitivity to global climate fluctuations. The socio-economic stakes of the region are particularly high, with, on the one hand, an essentially rain-fed agriculture that is vulnerable to droughts and, on the other hand, an increase in flood flows associated with strong demographic growth and little or unplanned urbanization, exacerbating the risk of flooding. In this context, this thesis aims to document and understand past changes in the sahelian rainfall regime in order to anticipate its future evolution. Existing tools allowing a fine description of the statistical properties of rainfall -- especially extremes -- over the region are adapted to a context of temporal non-stationarity. This framework has allowed to robustly demonstrate the increase in intensity of extreme rainfall events over the region, at time steps ranging from sub-hourly to daily. It was also shown that the strongest events are those whose frequency increases the most. These trends have been expressed in terms widely used in the field of hydrological engineering in order to promote the appropriation of decision support tools and the implementation of adaptation practices. The latest numerical climate simulations are then used to better understand the factors responsible for these changes. These simulations, which represent remarkably well the rainfall regime evolution observed since 1950 in the region, have highlighted the major role of anthropogenic climate forcing factors in the rainfall intensification: aerosols seem to be the main contributors to this trend, with an additional role of greenhouse gases. These forced signals were modulated in time and space by the internal variability of the ocean. Climate simulations in future socio-economic scenarios suggest the emergence of new hydro-climatic conditions over the region in the next decade, particularly with regard to extreme rainfall events. Thus, without the implementation of relevant and long-term adaptation measures, the consequences of increasingly frequent and intense extreme events will grow. On the other hand, the rainy season is experiencing a delay in its onset, which is made up for by more intense events later in the season. Such changes pose a serious threat to -- among other things -- agricultural yields, flooding (especially in urban areas) and the availability of water resources
Godart, Angélique. "Les précipitations orographiques organisées en bandes dans la région Cevennes-Vivarais : caractérisation et contribution au régime pluviométrique." Grenoble 1, 2009. http://www.theses.fr/2009GRE10178.
Full textThis thesis is dedicated to the study of a particular kind of shallow convection in the Cévennes area. This shallow convection is associated with orographic banded rainfall. Even if their intensity is small, they impact on hydrology since their duration. We hope to understand process linked with this rainfall and to evaluate their contribution to the rainfall regime in the area. The first step consists on the elaboration of a data base of orographic banded rainfall events. Indeed, until now, only 20h of orographic banded rainfall have been observed. This data base is built thanks to dynamical and rainfall criteria and then completed with linear and non-linear statistic methods. Next, the atmospheric conditions propice to the triggering of shallow convection are identified with radiosoundings, ERA40 reanalysis and numerical simulations (with MesoNH). Finally, the contribution of this rainfall is evaluated by comparing the accumulation of rainfall over the data base to the accumulation of rainfall over the whole period 1976-2005. Despite incertainties, this contribution is not negligible and suggests the interest to develop an observatory network to better observe the shallow orographic banded convective events
Ramallo, Cinthya. "Caractérisation du régime pluviométrique et sa relation à la fonte du glacier Zongo (Cordillère Royale)." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENU048/document.
Full textL'auteur n'a pas fourni de résumé en anglais
Lawin, Agnidé. "Analyse climatologique et statistique du régime pluviométrique de la haute vallée de l’Oueme à partir des données pluviographiques amma-catch benin." Grenoble INPG, 2007. http://www.theses.fr/2007INPG0169.
Full textThe objective of this work is to analyze the climatology of rainy events in a Sudanese area. The first part presents the mean climatological features of rainfall in the region. The interannual and intra-seasonal variability of the pluviometrie regime is investigated. Ln the second part of this study, we focus on the rainy events that composed a rainy season. A climatological analysis of those rainy events characteristics is performed. The frequency distribution of the rainfall rates is also studied and the differences between wet and dry seasons analysed. The similarities and the differences of our results with those derived for the sahelian region are also discussed. Finally, the third part focuses on the spatial structure of the rainfall fields both at the rainy events scale and the daily scale. A model is proposed to describe the structure. The temporal variability of the structure is analyzed at the interannual scale and a/so at the intra-seasonal scale. The existence of a gradient in the rainfall field is also investigated
Balme-Debionne, Maud. "Analyse du régime pluviométrique sahélien dans une perspective hydrologique et agronomique : étude de l'impact de sa variabilité sur la culture du mil." Grenoble INPG, 2004. http://www.theses.fr/2004INPG0126.
Full textAssessing the influence of the climatic variability on water resources and agriculture is a crucial scientific issue, especially for the Sahel. The difficulty lies in the gap between the scales of the climatic model outputs and those of the hydrological and agronomical applications. The Sahelian rainfall regime and its variability are described here by using both the daily rainfall data registered in Niamey Airport (Niger) from 1950 to 2002 and a high space-time resolution data set in the area of Niamey, namely the AMMA-CATCH Niger observatory, from 1990 to 2002, stressing the event scale and the rain intensity scale, which are rarely well-documented. Next, the influence of the rainfall variability on millet yields is studied by using an agronomical model. It is shown that the rainfall fields are strongly marked by the rainfall variability at convective scale, even at yearly scale. Agricultural yields are very sensitive to this variability
Rossel, Frédéric. "Influence du Niño sur les régines pluviométriques de l'Equateur." Montpellier 2, 1997. http://www.theses.fr/1997MON20122.
Full textMelese, Victor. "Modélisation multi-échelle de l'aléa pluviométrique et incertitudes associées - Application à la région des Cévennes." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAU008/document.
Full textThis thesis aims at modelling the rainfall hazard in a mountainous region of southeastern France centered on the Cévennes massif. This region undergoes intense rainfall events leading to flash floods, which have considerable socio-economics impacts. A statistical measure of hazard is the frequency of occurrence, or equivalently the return period. Since rainfall accumulates in both time and space, rainfall hazard in a multi-scale variable. This thesis propose a generic framework for rainfall hazard modelling over the continuum of spatio-temporal scales.The first part of this work allows to determine which is the most relevant statistical framework. The second part proposes a multi scale modelling of rainfall hazard for the region. Finally, the third part allows the multi-scale quantification of the frequency of occurrence of a given storm and of the related uncertainties
Gutiérrez, López Martin Alfonso. "Modélisation stochastique des régimes pluviométriques à l'échelle régionale pour la prévision des crues au Nord-Mexique." Grenoble INPG, 2003. http://www.theses.fr/2003INPG0043.
Full textNorrant, Caroline. "Tendances pluviométriques indicatrices d'un changement climatique dans le bassin méditerranéen de 1950 à 2000 : Etude diagnostique." Aix-Marseille 1, 2004. http://www.theses.fr/2004AIX10063.
Full textYates, Eddy. "Convection en région Cévennes-Vivarais : étude de données pluviométriques, simulations numériques et validation multi-échelles." Grenoble INPG, 2006. http://www.theses.fr/2006INPG0162.
Full textHydrometeorological data are analyzed to better understand and represent the space variability of rainfall in the Cévennes-Vivarais region. The analysis of raingauge databases shows that the statistical properties of rainfall do not depend on the localisation of the mountains for short integrating limes. But if the rainfall is integrated on longer time steps, its statistical properties are highly correlated with the topography. Numerical simulations show that shallow convection is very sensitive to atmospherical forcing, especially through the way the air masses "read" the topography. The impact of soil humidity is less important; it can nevertheless change the stratification of the atmosphere up to more th an 1 km. A method to validate simulations is developed. Il allows comparing the scale of the simulation errors with the scale of the hydrosystems. This method is tested with idealised rainfalls, then with real rainfalls but idealised simulation errors, then with real simulations