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Africa's groundwater resources - The impact of regolith hydraulic properties on large-scale groundwater modelling for Africa

Goal: In my M.Sc. thesis I'm building up a new data set for the aquifer parametrization of Africa, especially for the crystalline basement aquifers which cover large parts of Sub-Saharan Africa. In these aquifers, a large part of the groundwater can be stored within the weathered layer of regolith, which is often neglected in global modelling or related to high uncertainties. With an integration of the transmissivities of these regolith layers into the global model PCR-GLOBWB MODFLOW (de Graaf, 2015), I hope to be able to assess the groundwater resources of Africa in better quality. This would be of high relevance for strategies aiming to manage water resources sustainably in the face of climate change and population growth.

Date: 12 February 2018 - 12 August 2018

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Carolin Winter
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In my M.Sc. thesis I'm building up a new data set for the aquifer parametrization of Africa, especially for the crystalline basement aquifers which cover large parts of Sub-Saharan Africa. In these aquifers, a large part of the groundwater can be stored within the weathered layer of regolith, which is often neglected in global modelling or related to high uncertainties. With an integration of the transmissivities of these regolith layers into the global model PCR-GLOBWB MODFLOW (de Graaf, 2015), I hope to be able to assess the groundwater resources of Africa in better quality. This would be of high relevance for strategies aiming to manage water resources sustainably in the face of climate change and population growth.