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An integrated hydrogeological modelling approach applicable to hard-rock aquifers in semi-arid data-scarce Africa was developed using remote sensing, rainfall-runoff modelling, and a three-dimensional (3D) dynamic model. The integrated modelling approach was applied to the Hout catchment, Limpopo...


Ebrahim, Girma YimerVillholth, Karen G.Boulos, M.[Integrated hydrogeological modelling of hard-rock semi-arid terrain: supporting sustainable agricultural groundwater use in Hout catchment, Limpopo Province, South Africa]Integrated hydrogeological modelling of hard-rock semi-arid terrain: supporting sustainable agricultural groundwater use in Hout catchment, Limpopo Province, South Africa

Strategies for increasing the development and use of groundwater for agriculture over much of Sub-Saharan Africa (SSA) are urgently needed. Expansion of small-scale groundwater irrigation offers an attractive option to smallholder farmers to overcome unreliable wet-season rainfall and enhance dry...


Pavelic, PaulSmakhtin, Vladimir U.Favreau, G.Villholth, Karen G.[Water-balance approach for assessing potential for smallholder groundwater irrigation in Sub-Saharan Africa.]Water-balance approach for assessing potential for smallholder groundwater irrigation in Sub-Saharan Africa.

Groundwater irrigation for smallholder farmers in Sub-Saharan Africa is growing in extent and importance. This growth is primarily driven spontaneously by the farmers themselves, spurred by improved access to low-cost technologies for pumps and drilling services as well as market opportunities fo...


Villholth, Karen G.[Groundwater irrigation for smallholders in Sub-Saharan Africa - a synthesis of current knowledge to guide sustainable outcomes]Groundwater irrigation for smallholders in Sub-Saharan Africa - a synthesis of current knowledge to guide sustainable outcomes

Groundwater drought denotes the condition and hazard during a prolonged meteorological drought when groundwater resources decline and become unavailable or inaccessible for human use. Groundwater drought risk refers to the combined physical risk and human vulnerability associated with diminished ...


Villholth, Karen G.Tottrup, C.Stendel, M.Maherry, A.[Integrated mapping of groundwater drought risk in the Southern African Development Community (SADC) Region]Integrated mapping of groundwater drought risk in the Southern African Development Community (SADC) Region
Cuthbert, Mark O.Taylor, Richard G.Favreau, GuillaumeTodd, Martin C.Shamsudduha, MohammadVillholth, Karen G.MacDonald, Alan M.Scanlon, Bridget R.Kotchoni, D.O. ValerieVouillamoz, Jean-MichelLawson, Fabrice M. A.Adjomayi, Philippe ArmandKashaigili, JaphetSeddon, DavidSorensen, James P. R.Ebrahim, Girma YimerOwor, MichaelNyenje, Philip M.Nazoumou, YahayaGoni, IbrahimOusmane, Boukari IssoufouSibanda, TenantAscott, Matthew J.Macdonald, David M.J.Agyekum, WilliamKoussoubé, YoussoufWanke, HeikeKim, HyungjunWada, YoshihideLo, Min-HuiOki, TaikanKukuric, Neno[Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa]Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa

Strategies for increasing the development and use of groundwater for agriculture over much of Sub-Saharan Africa (SSA) are urgently needed. Expansion of small-scale groundwater irrigation offers an attractive option to smallholder farmers to overcome unreliable wet-season rainfall and enhance dry...


Pavelic, PaulSmakhtin, Vladimir U.Favreau, G.Villholth, Karen G.[Water-balance approach for assessing potential for smallholder groundwater irrigation in Sub-Saharan Africa]Water-balance approach for assessing potential for smallholder groundwater irrigation in Sub-Saharan Africa

Groundwater is an important resource for multiple uses in South Africa. However, setting limits to its sustainable abstraction while assuring basic human needs is a must. Due to prevalent data scarcity related to groundwater replenishment, which is the traditional basis for estimating groundwater...


Ebrahim, Girma YimerVillholth, Karen G.[Assessment of groundwater availability from recession flows and instream flow requirements of rivers in South Africa]Assessment of groundwater availability from recession flows and instream flow requirements of rivers in South Africa
Pavelic, PaulVillholth, Karen G.Verma, Shilp[Sustainable groundwater development for improved livelihoods in Sub-Saharan Africa. Part 1]Sustainable groundwater development for improved livelihoods in Sub-Saharan Africa. Part 1
Pavelic, PaulVillholth, Karen G.Verma, Shilp[Sustainable groundwater development for improved livelihoods in Sub-Saharan Africa. Part 2]Sustainable groundwater development for improved livelihoods in Sub-Saharan Africa. Part 2

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