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Academia session: Mohamed Ahmed, UNGSC, 16th January UN Water Zaragoza Conference 2015

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Academia session: Mohamed Ahmed, UNGSC, 16th January UN Water Zaragoza Conference 2015

  1. 1. 2015 UN-Water Annual International Zaragoza Conference Groundwater Exploration in Support of UN Field Operations MINUSMA Case Study Thursday 15 to Saturday 17 January 2015. Zaragoza, Spain
  2. 2. Groundwater Exploration in Support of UN Field Operations MINUSMA Case Study 2
  3. 3. Groundwater: AVital Resource for Living 3  “By 2025, 1,800 million people will be living in countries or regions with absolute water scarcity” (FAO, 2007)  “The lack of plentiful and clean water for the people will have grave geopolitical consequences.” (UNESCO, 2008).  Satellite imagery and geospatial technologies increases the ability to discover new water reserves. (UNGSC, 2014) UN Water Conference, Zaragoza 2015
  4. 4. Technical Approach: Desk Study 4  Extraction of geological features from satellite imagery  Initial selection of suitable locations for drilling UN WaterConference, Zaragoza 2015 Spot6 True-colourLandsat 7 ETM Decorrelation 742 Geological Lineaments Survey LinesLandsat 7 ETM PCA 742 Rock Types
  5. 5. Technical Approach: Fieldwork  AGI Supersting Georesitivitymeter  630m cable alignments to reach a max depth of 120m  Imaging of the subsurface through distribution of electrical resistivity UN Water Conference, Zaragoza 2015
  6. 6. Technical Approach: Analysis of Data 6 LOI5-1 LOI5-2 LOI5-3 Geological Fault 3D representation of the aquifer Vertical Resistivity Sections UN Water Conference, Zaragoza 2015
  7. 7. Groundwater Exploration: Drilling in MINUSMA UN Water Conference, Zaragoza 2015 7  Historically, the success rate for a drilling campaigns in Mali ranged 20 - 30%, specially in the North-Eastern Part.  The SGITT/MINUSMA campaign success rate is over 90%
  8. 8. 8 The borehole with the highest yield in the history of Kidal area Groundwater Exploration: Drilling in MINUSMA UN Water Conference, Zaragoza 2015
  9. 9. Summary of Project’s Results 9 Site Name Number of Boreholes Identification of Drilling Points Status of Drilling Rate of Success Tombouctou 4 Completed Completed 100% Gao 4 Completed Completed 100% Kidal 4 Completed Completed 100% Almoustarat 2 Completed Completed 100% Aguelhoc 2 Completed Completed 100% Tessalit 3 Completed Completed 100% Anefis 2 Completed Completed 0% Lere 2 Completed Completed 100% Ansongo 2 Completed Completed 100% UN Water Conference, Zaragoza 2015
  10. 10. Conclusions  Groundwater is crucial to UN field operations and should be taken into the highest account in planning and deployment  SGITT GIS’ success stories proved the utility of modern geospatial technologies for groundwater exploration and management services  Demand for this service is continuously increasing as evidenced by the several requests from Field Missions and inquiries from UN Agencies and NGOs.  SGITT GIS envision the extension of this service to other UN Agencies, Funds and Programmes in the near future 10UN Water Conference, Zaragoza 2015
  11. 11. Questions? 11UN Water Conference, Zaragoza 2015

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