Présentations Colloques

    Oral Presentation
    Session 6.01: Managed Aquifer Recharge
    Dillon Peter
    Sixty years of progress in research and practice of Managed Aquifer Recharge
    Managed aquifer recharge has become a tool that is increasingly used to maintain, enhance and secure groundwater systems under stress. The evolution of managed aquifer recharge has reached approximately 5km3 (0.5% of global groundwater extraction) based on a long history of research on hydraulics and design of facilities, tracer studies, managing clogging and recovery efficiency, and water quality including aquifer-water interaction, and fate of organic chemicals, colloids and pathogens. New methods such as recharge wells have greatly accelerated recharge particularly in urban areas and for mine water management. In recent years research into governance, operating practices, reliability, economics, risk assessment and public acceptance of managed aquifer recharge has also developed. This review paper looks at the history of the research base that underpins modern practice, showing for a number of disciplines the research publication profile in literature, international conferences, and major research programs. It also includes some of the more important discoveries and their implications for uptake of managed aquifer recharge, and identifies key remaining knowledge gaps. IAH has made a contribution to this field, particularly since 2001 through its Commission on Managing Aquifer Recharge, but this is a field to which many people have contributed over a sustained period of time. Some of the new knowledge generated has also contributed to the understanding of physical and chemical process in aquifers which have much broader benefits in hydrogeology.


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