Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model

A deep understanding of the rainfall-runoff mechanism is essential to estimate the runoff generated in a given basin. In this regard, this paper aims to develop a continuous hydrological model of the Bouregreg watershed. The objective of this modelling is to evaluate the inflow to the Sidi Mohamed B...

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Autores principales:	Laassilia Oussama, Ouazar Driss, Bouziane Ahmed, Hasnaoui Moulay Driss
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/75b3636d0e604ce0b259b6651ec3227d
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spelling	oai:doaj.org-article:75b3636d0e604ce0b259b6651ec3227d2021-11-08T15:19:01ZContinuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model2267-124210.1051/e3sconf/202131405001https://doaj.org/article/75b3636d0e604ce0b259b6651ec3227d2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/90/e3sconf_wmad2021_05001.pdfhttps://doaj.org/toc/2267-1242A deep understanding of the rainfall-runoff mechanism is essential to estimate the runoff generated in a given basin. In this regard, this paper aims to develop a continuous hydrological model of the Bouregreg watershed. The objective of this modelling is to evaluate the inflow to the Sidi Mohamed Ben Abdellah (SMBA) dam, located at the outlet of this basin. To this end, using the HEC-HMS model, the Soil Moisture Accounting (SMA) Loss Method was used to model infiltration losses. The SCS Unit hydrograph (SCS UH) and the Recession method were chosen as transform model and baseflow model, respectively. As a result, the comparison shows an acceptable agreement between observed and simulated flow in terms of streamflow distribution and peak values (NSE=0.57, R2=0.58). During validation, the model retained its ability to sufficiently reproduce the rainfall-runoff mechanism of the studied basin with a slight overestimation of peaks (NSE=0.61, R2=0.60). This study allows to assess and predict the inter-annual and intra-annual variation of the SMBA dam reservoir’ inflows, and therefore to forecast the climate change impact on this basin.Laassilia OussamaOuazar DrissBouziane AhmedHasnaoui Moulay DrissEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 314, p 05001 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Laassilia Oussama Ouazar Driss Bouziane Ahmed Hasnaoui Moulay Driss Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model
description	A deep understanding of the rainfall-runoff mechanism is essential to estimate the runoff generated in a given basin. In this regard, this paper aims to develop a continuous hydrological model of the Bouregreg watershed. The objective of this modelling is to evaluate the inflow to the Sidi Mohamed Ben Abdellah (SMBA) dam, located at the outlet of this basin. To this end, using the HEC-HMS model, the Soil Moisture Accounting (SMA) Loss Method was used to model infiltration losses. The SCS Unit hydrograph (SCS UH) and the Recession method were chosen as transform model and baseflow model, respectively. As a result, the comparison shows an acceptable agreement between observed and simulated flow in terms of streamflow distribution and peak values (NSE=0.57, R2=0.58). During validation, the model retained its ability to sufficiently reproduce the rainfall-runoff mechanism of the studied basin with a slight overestimation of peaks (NSE=0.61, R2=0.60). This study allows to assess and predict the inter-annual and intra-annual variation of the SMBA dam reservoir’ inflows, and therefore to forecast the climate change impact on this basin.
format	article
author	Laassilia Oussama Ouazar Driss Bouziane Ahmed Hasnaoui Moulay Driss
author_facet	Laassilia Oussama Ouazar Driss Bouziane Ahmed Hasnaoui Moulay Driss
author_sort	Laassilia Oussama
title	Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model
title_short	Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model
title_full	Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model
title_fullStr	Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model
title_full_unstemmed	Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model
title_sort	continuous modelling of the bouregreg watershed (morocco) using the hec-hms model
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/75b3636d0e604ce0b259b6651ec3227d
work_keys_str_mv	AT laassiliaoussama continuousmodellingofthebouregregwatershedmoroccousingthehechmsmodel AT ouazardriss continuousmodellingofthebouregregwatershedmoroccousingthehechmsmodel AT bouzianeahmed continuousmodellingofthebouregregwatershedmoroccousingthehechmsmodel AT hasnaouimoulaydriss continuousmodellingofthebouregregwatershedmoroccousingthehechmsmodel
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Continuous modelling of the Bouregreg watershed (Morocco) using the HEC-HMS model

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