The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region

Drought and water scarcity are resulting from the effects of climate change during recent decades. The region of Beni Mellal Khenifra, by the nature of its economic activities based particularly on agriculture and the availability of water resources, is considered among the most vulnerable regions t...

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Autores principales:	El Baki Yousra, Boutoial Khalid, Medaghri-Alaoui Abdelouahid
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/a59f16d8a1a1488695592b2407c6128a
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spelling	oai:doaj.org-article:a59f16d8a1a1488695592b2407c6128a2021-11-08T15:19:09ZThe impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region2267-124210.1051/e3sconf/202131403002https://doaj.org/article/a59f16d8a1a1488695592b2407c6128a2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/90/e3sconf_wmad2021_03002.pdfhttps://doaj.org/toc/2267-1242Drought and water scarcity are resulting from the effects of climate change during recent decades. The region of Beni Mellal Khenifra, by the nature of its economic activities based particularly on agriculture and the availability of water resources, is considered among the most vulnerable regions to the effects of climate change in Morocco. In this paper, we analyzed the impact of climate change on the three largest dams in the region (Hassan first, Bin El Ouidane and Ahmed El Hansali), based on statistical data from five stations over 1990-2020. We used Normalized Precipitation Index (SPI) to characterize climatic drought, the Mann-Kendall test to assess the trend of temperature changes, Kendall’s tau and linear regression to detect the relationship between climatic parameters (temperature and precipitation) and water supplies from the three dams. Standardized Precipitation Index (SPI) results showed that the region underwent a significant rainfall deficit between 19911995, 2000-2003, 2005-2008, and 2017-2020. Their intensity varies from moderate to severe type. Moreover, temperature values obtained by Mann– Kendall test showed an increasing trend for all stations. Correlation analysis of rainfall and temperature with inflow dams showed that the mean annual inflows dams are directly proportional to the yearly average SPI increase.El Baki YousraBoutoial KhalidMedaghri-Alaoui AbdelouahidEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 314, p 03002 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 El Baki Yousra Boutoial Khalid Medaghri-Alaoui Abdelouahid The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region
description	Drought and water scarcity are resulting from the effects of climate change during recent decades. The region of Beni Mellal Khenifra, by the nature of its economic activities based particularly on agriculture and the availability of water resources, is considered among the most vulnerable regions to the effects of climate change in Morocco. In this paper, we analyzed the impact of climate change on the three largest dams in the region (Hassan first, Bin El Ouidane and Ahmed El Hansali), based on statistical data from five stations over 1990-2020. We used Normalized Precipitation Index (SPI) to characterize climatic drought, the Mann-Kendall test to assess the trend of temperature changes, Kendall’s tau and linear regression to detect the relationship between climatic parameters (temperature and precipitation) and water supplies from the three dams. Standardized Precipitation Index (SPI) results showed that the region underwent a significant rainfall deficit between 19911995, 2000-2003, 2005-2008, and 2017-2020. Their intensity varies from moderate to severe type. Moreover, temperature values obtained by Mann– Kendall test showed an increasing trend for all stations. Correlation analysis of rainfall and temperature with inflow dams showed that the mean annual inflows dams are directly proportional to the yearly average SPI increase.
format	article
author	El Baki Yousra Boutoial Khalid Medaghri-Alaoui Abdelouahid
author_facet	El Baki Yousra Boutoial Khalid Medaghri-Alaoui Abdelouahid
author_sort	El Baki Yousra
title	The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region
title_short	The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region
title_full	The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region
title_fullStr	The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region
title_full_unstemmed	The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region
title_sort	impact of climate change on water inflow of the three largest dams in the beni mellal-khenifra region
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/a59f16d8a1a1488695592b2407c6128a
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The impact of climate change on water inflow of the three largest dams in the Beni Mellal-Khenifra region

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