Présentations Colloques

    Oral Presentation
    6.01
    Session 6.01: Managed Aquifer Recharge
    Baalousha Husam
    Towards a sustainable water resources management for Qatar
    Qatar is an arid country with harsh environmental conditions and little rainfall. With a long term average rainfall of only 80 mm per year and no surface water, aquifer is the only natural source of water. The sustainable yield of the aquifer is insufficient to support the population so the country is relying entirely on desalination of seawater to meet municipal demand, whereas groundwater is used for agricultural development. The abstracted groundwater is many orders of magnitude the natural recharge from rainfall. As a result, the groundwater level dropped more than 10 meters over the last 30 years, and seawater intrusion advanced further inland up to more than 10 km. In addition, the phenomenon of upconing is very common in many wells as the deeper brackish groundwater flows into these wells because of high pumping. This highlights the need to take an urgent action to stop deterioration of water quality and aquifer depletion. **Despite the limited water resources, water consumption in Qatar is the highest in the world with an average of 500 liters per capita per day. Many social and economic factors contribute towards this high consumption. In the light of the National Vision 2030 for Qatar, water security was identified as one of the main challenges that the country faces. Although desalination production meets the entire municipal demand, no storage facility exists to enhance the water security. The produced water from the plants meets only two days of consumption. Aquifer Storage and Recovery (ASR) was identified as an appropriate solution to increase water security and to counter the adverse environmental impact of aquifer over-exploitation. **This study outlines the major challenges that Qatar is facing in terms of water security and discusses different means to overcome the water scarcity problem. This includes artificial recharge, increasing reuse of treated wastewater and reducing losses.**
    Qatar

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