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Environmental flows (EF) are an important component of Goal 6 (the ‘water goal’) of the Sustainable Development Goals (SDGs). Yet, many countries still do not have well-defined criteria on how to define EF. In this study, we bring together the International Water Management Institute’s (IWMI’s) e...


Sood, AdityaSmakhtin, Vladimir U.Eriyagama, NishadiVillholth, Karen G.Liyanage, NiroshaWada, Y.Ebrahim, Girma YimerDickens, Chris[Global environmental flow information for the sustainable development goals]Global environmental flow information for the sustainable development goals
Villholth, Karen G.Conti, K.I.[Groundwater governance: rationale, definition, current state and heuristic framework]Groundwater governance: rationale, definition, current state and heuristic framework
Villholth, Karen G.[Groundwater for food production and livelihoods - the nexus with climate change and transboundary water management]Groundwater for food production and livelihoods - the nexus with climate change and transboundary water management

Around 27% of aquifers in Tunisia are being overexploited. Groundwater extractions is mainly for the irrigation sector, where more than 40% of the water used for irrigation comes from GW sources. The objective of this study is to critically review and analyze GW management instruments adopted in ...


Frija, AymenDhehibi, B.Chebil, A.Villholth, Karen G.[Performance evaluation of groundwater management instruments: the case of irrigation sector in Tunisia]Performance evaluation of groundwater management instruments: the case of irrigation sector in Tunisia
Closas, AlvarVillholth, Karen G.[Aquifer contracts: a means to solving groundwater over-exploitation in Morocco?]Aquifer contracts: a means to solving groundwater over-exploitation in Morocco?

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

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

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

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