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MANAGEMENT OF WATER SCARCITY IN ARID AREAS. Study case: Ziz watershed the way forward
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  • Ismail Elhassnaoui,
  • Mohamed Abdelmoneim Shehata Wahba,
  • Zineb Moumen,
  • Issam Serrari,
  • Ahmed BOUZIANE,
  • Driss Ouazar,
  • Driss HASNAOUI
Ismail Elhassnaoui
Mohammadia School of Engineers, Mohammed V University in Rabat, Morocco

Corresponding Author:is.elhassnaoui@gmail.com

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Mohamed Abdelmoneim Shehata Wahba
National Water Research Center
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Zineb Moumen
Universitat Politècnica de Catalunya, Barcelona, Spain
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Issam Serrari
Ministry of Agriculture and Fisheries, Marrakech, Morocco.
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Ecole Mohammadia d'Ingénieurs-Mohammed V University,
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Driss Ouazar
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4Ministry of Equipement, Transport, Logistics and Water, department of Water
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The 2030 Agenda for Sustainable Development aims to reach 17 Sustainable Development Goals (SDGs). The 6th goal (SDGs (6) deals with water security, which refers mainly to water use effi-ciency and water stress. Indeed, water security plays an important role in water-food-energy nexus. This work aims to enhance dam performance under climate change to overcome water scarcity. The study is conducted through the multiobjective Hassan Addakhil dam in Morocco. The novelty of this work is providing hourly precipitation and evaporation data through temporal downscaling and developing a real-time dam management tool. The real-time dam management algorithm is based on a water balance equation and rule curves. The model is coupled with the Hydrologic Modeling System (HEC-HMS). This tool provides information about (i) dam storage, (ii) dam re-lease, (iii) dam evaporation, (iv) dam diversion, (v) spilled water volume, (vi) emergency spilled water volume, (vii) dam inflow, (viii) irrigation demand, (ix) irrigation shortage, (x) dam siltation, (xi) dam hydropower production, (xii) hydropower energy income. The result shows that real-time management can enhance dam management. In this sense, the dam reliability and resilience have increased respectively from 40% to 70% and from 16% to 66%. Besides, the vulnerability re-mained constant.