R. Klingbeil & M. Gröschke, 2019. Managed Aquifer Recharge (MAR) in Coastal Aquifers, in Brackish and Saline Groundwater.

R. Klingbeil & M. Gröschke, 2019. Managed Aquifer Recharge (MAR) in Coastal Aquifers, in Brackish and Saline Groundwater.

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  MAR in Coastal Areas/ Session 14 Federal Institute for Geosciences and Natural Resources (BGR), Germany Managed aquifer recharge (MAR) in coastal aquifers, in brackish and saline groundwater Cooperation between partners from European and GCC countries Ralf Klingbeil, Maike Gröschke
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  MAR in Coastal Areas/ Session 14R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Handbook on Groundwater Management in Coastal Zones 2 21/05/2019 BGR,2018.
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Subsurface Water Solutions Seawater Intrusion in Coastal Areas 21/05/2019 3 Over- exploitation of freshwater lenses Upconing of brackish/ saline water Buoyancy effects: low efficiency of conventional ASR systems Modified after KWR (2015)
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Subsurface Water Solutions SWS in Different Coastal Settings 21/05/2019 4 Modified after KWR (2015) ASR Coastal Modern coastal cities Freshkeeper Local shallow or deeper aquifers Freshmaker Artificial islands Overcoming buoyancy effects and upconing
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Multiple Partially Penetrating Well Optimization of Well Design and Operation 21/05/2019 5  Laboratory experiment for brackish aquifers Witt&Müller,2019.
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Multiple Partially Penetrating Well Optimization of Well Design and Operation 21/05/2019 6  Different well designs  Different pumping (inj/ext) schemes  Different fresh-saline interaction Witt&Müller,2019.
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Multiple Partially Penetrating Well Optimization of Well Design and Operation 21/05/2019 7 Witt&Müller,2019.  Fresh water in fresh water  no buoyancy Grenzwert: 2,75mS  Fresh water in saline water  buoyancy
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Multiple Partially Penetrating Well Optimization of Well Design and Operation 21/05/2019 8 Witt&Müller,2019.  Fresh water in saline water  5 cycles: injection - extraction  R1: All 4 wells inject & extract all time  R2: All 4 wells inject, extract only until EC limit R1 R2
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  SUBSOL Potential Cooperation with GCCCountries Oman, Bahrain, UAE
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater  Increasing salinization  Target: Alluvial coastal aquifer  Excess desal: ASR to increase water storage  Excess TSE: ASR to increase reuse & mitigate seawater intrusion  SWS opportunities – Pilot sites – Research accompanying implementation – Improvement of national regulation, water quality standards for injection – Capacity development for regulation & approval procedures 21/05/2019 Potential for EU-GCC Cooperation Oman 10
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater  Increasing salinization  Target: Fractured limestone, Dammam aquifer, Khobar (B) formation  Excess TSE: ASR to increase reuse & mitigate seawater intrusion  SWS opportunities – Feasibility study – Research accompanying feasibility study – Improvement of regulations, water quality standards for injection – Capacity development for regulation & approval procedures 21/05/2019 Potential for EU-GCC Cooperation Bahrain 11 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 Neogene Formation + Recent deposits Alat Member Orange Marl Member Khobar Member Sharks Tooth Shale M. Rus Formation Umm Er Radhuma Formation Geological Units Dammam Formation metersbelowsealevel (+anhydrite & shales) A B C Bahrain main island Sitra island A A' A A' Limestone (Aquifer) Underflow from Saudi Arabia aquifers Shale and marl (Aquitard) Anhydrite (Aquitard)
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater  Increasing salinisation of inland and coastal aquifers  Target: Alluvial coastal aquifers  Excess desal: ASR to mitigate seawater intrusion, develop subsurface storage  SWS opportunities – Pilot sites in “fresh water aquifers” – Research accompanying implementation 21/05/2019 Potential for EU-GCC Cooperation United Arab Emirates (UAE) 12
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  MAR in Coastal Areas/ Session 14 R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Potential for EU-GCC Cooperation Outcome of SubSol Mission 21/05/2019 13  Challenges: Increasing salinization of coastal and inland alluvial and fractured aquifers  Resources: Excess desal & excess TSE  Environment: National ASR plans, enabling environment, institutional capacity, political support, strong interest in EU-GCC cooperation  Needs: Improved regulations, water quality standards, approval procedures
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  MAR in Coastal Areas/ Session 14R. Klingbeil, M. Gröschke: MAR in coastal aquifers, in brackish and saline groundwater Acknowledgment  European Union’s Horizon 2020 research and innovation programme grant agreement No 642228  SubSol – Coastal SUBsurface water SOLutions: SWS team, esp. colleagues from KWR, www.subsol.org  Ms. Lilli Witt, Mr. Moritz Müller, Freie Universität Berlin 14 21/05/2019
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  MAR in Coastal Areas/ Session 14 Federal Institute for Geosciences and Natural Resources (BGR), Germany Managed aquifer recharge (MAR) in coastal aquifers, in brackish and saline groundwater Cooperation between partners from European and GCC countries Ralf Klingbeil, Maike Gröschke We ♥ MAR