2010
DOI: 10.1080/02626667.2010.512471
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Modélisation de la relation pluie-ruissellement par durée d'épisode pluvieux dans un bassin du nord de la Tunisie

Abstract: Résumé Un modèle hydrologique global a été calé sur des épisodes pluvieux de durée très variable (de un à plus de dix jours). Les épisodes pris en compte sont ceux qui sont encadrés par au moins un jour sec et ne provoquant pas de déversement du barrage. L'entrée de ce modèle comprend la pluie moyenne du bassin versant et l'indice des précipitations antérieures de Kohler & Linsley. Les expressions du modèle hydrologique du début et au cours de la saison humide, selon un seuil du cumul des pluies de la saison d… Show more

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Cited by 4 publications
(2 citation statements)
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“…For the case of Bujumbura, calculations based on the 2 nd quartile distribution were judged to approximate better the intensity variation, given that the peak intensity usually occurs in the first 3 rd of rainfall duration. Based on Kohler (1951)'s equation on soil saturation index and on the recent work by Mathlouthi and Lebdi (2010) on the Rain-Runoff relationship, there is no doubt that soil saturation during storms can be strongly influenced by other previous rainfall events. In a context of rainy season base flow, the use of variable runoff offers little interest.…”
Section: Discussionmentioning
confidence: 99%
“…For the case of Bujumbura, calculations based on the 2 nd quartile distribution were judged to approximate better the intensity variation, given that the peak intensity usually occurs in the first 3 rd of rainfall duration. Based on Kohler (1951)'s equation on soil saturation index and on the recent work by Mathlouthi and Lebdi (2010) on the Rain-Runoff relationship, there is no doubt that soil saturation during storms can be strongly influenced by other previous rainfall events. In a context of rainy season base flow, the use of variable runoff offers little interest.…”
Section: Discussionmentioning
confidence: 99%
“…The climate is subhumid. The mean annual precipitation is 680 mm (Mathlouthi and Lebdi, 2010) and the minimum and maximum monthly mean air temperatures are 13 and 23 • C, respectively.…”
Section: Study Area and Dam Characteristicsmentioning
confidence: 99%