Hydrological and hydroclimatic regimes in the Ouergha watershed PDF

(2) 1 Laboratoire de Géo-ressources et Environnement, Faculté des Sciences et Techniques de Fès, Université Sidi Mohamed Ben Abdellah, Route dImouzzer, BP 2202, Fès, Maroc 2

Agence du bassin hydraulique, Fès, Maroc

This wo rk consists in studying the hydro logical and hydroclimatic regime of t he Ouergha water shed and frequency analysis of extreme flows and extreme rainfall for peak estimation and return periods, in order to prevention and forecasting against risks (flood...). Hydrological regime analysis showed a regime of the rain type, characterized by rainfed abundance with very high winter flows, so strong floods. The annual module and the different coefficients show hydroclimatic fluctuations in relation to a semi- humid climate. The water balance has highlighted the importance of the volumes of water conveyed upstream than downstream, thus confirming the morph ometric parameters of watershed an d the lithological nature. Frequency study of flows and extreme rainfall showed that these flows governed by dissymmetrical laws based on methods Gumbel, GEV, Gamma and Log Pearson III. Karim Msatef : karim.msatef@gmail.com; mobile: +212649375893

Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/). E3S Web of Conferences , 04001 (2018) https://doi.org/10.1051/e3sconf/20183704001

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t 2 E3S Web of Conferences 37, 04001 (2018) https://doi.org/10.1051/e3sconf/20183704001

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[PDF] Hydrological and hydroclimatic regimes in the Ouergha watershed

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