Applied Groundwater Studies in Africa: IAH Selected Papers by Segun Adelana, Alan MacDonald

By Segun Adelana, Alan MacDonald

Groundwater is Africa’s most respected ordinary source, offering trustworthy water offers for plenty of people.  extra improvement of groundwater assets is prime to expanding entry to secure water around the continent to fulfill insurance goals and decrease poverty. there's additionally an expanding curiosity within the use of groundwater for irrigated agriculture because the weather turns into extra variable.  Sustainable improvement of the source isn't really a trivial job and relies crucially on an knowing of the hydrogeology and folks with the abilities to make educated judgements on how groundwater can top be built and controlled in a sustainable type. regardless of those visible wishes, even if, little recognition has been paid to the systematic accumulating of data approximately groundwater assets some time past few a long time, with the end result that info are patchy, wisdom is proscribed and funding is poorly targeted.  This booklet used to be written to begin to bridge the data hole. The 29 chapters are written by way of a mix of practitioners and researchers in general from inside Africa utilizing adventure from fresh and ongoing projects.  The chapters spotlight the complexity and diversity of matters surrounding the improvement and administration of groundwater assets throughout Africa, and supply a image of groundwater examine and alertness within the early twenty first century.  Chapters diversity from strategic discussions of the function of groundwater in improvement and poverty relief, to case stories on ideas used to improve groundwater, and modelling tools for handling groundwater systems. 

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Additional resources for Applied Groundwater Studies in Africa: IAH Selected Papers on Hydrogeology, Volume 13

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R. & Morris, B. L. 1997. Groundwater in urban development: assessing management needs and formulating policy strategies. World Bank Technical Paper, 390. Foster, S. S. , Chilton, P. , Cardy, W. F. & Schiffler, M. 2000. Groundwater in rural development: facing the challenges of supply and resource sustainability. World Bank Technical Paper, 463. Foster, S. S. , Koundouri, P. & Nanni, M. 2002–04a. Groundwater resource development in minor aquifers – management strategy for village and small-town water-supply.

Modern recharge of groundwater due to regional groundwater flow from more humid areas to the south is highly unlikely. The model also indicates that the Nubian Aquifer System is a fossil aquifer system, which has been in an unsteady state condition since the end of the last wet period, approximately 5000 years ago. The telescoping modeling approach offers a good solution for the insufficient boundary conditions in the development areas. The simulation results of the large scale model, with telescoping meshes to account for current abstraction, demonstrates that the groundwater reserves of the Nubian Sandstone Aquifer in Egypt and Libya are being mined.

2. Use of smaller, less costly rigs and support equipment to match relaxed borehole designs. High mobilisation costs associated with long travel distances from Contractor’s base. 3. Let packaged contracts for multiple boreholes in close proximity and similar geology. Low drilling success rates resulting in a high proportion of dry holes. Unnecessarily rigorous and lengthy test pumping regimes. High rates of post-construction failure due to poor construction, inadequate assessment of groundwater resources, or unsustainable pump operation and maintenance.

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