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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

Climatic condition, geology, and geochemical processes in an area play a major role on groundwater quality. Impact of these on the fluoride content of groundwater was studied in three regions-part of Nalgonda district in Telangana, Pambar River basin, and Vaniyar River basin in Tamil Nadu, southe...


Brindha, KarthikeyanJagadeshan, G.Kalpana, L.Elango, L.[Fluoride in weathered rock aquifers of southern India: managed aquifer recharge for mitigation]Fluoride in weathered rock aquifers of southern India: managed aquifer recharge for mitigation

Suitability of groundwater for domestic and irrigation purposes as well as its hydrochemical characteristics was estimated in a part of Nalgonda district, Telangana state in southern India. Water samples were collected from 45 wells once every 2 months from March 2008 to January 2010. EC and pH w...


Rajesh, R.Brindha, KarthikeyanElango, L.[Groundwater quality and its hydrochemical characteristics in a shallow weathered rock aquifer of southern India]Groundwater quality and its hydrochemical characteristics in a shallow weathered rock aquifer of southern India

To meet the demand deficit in Kathmandu Valley, the Government of Nepal has planned to supply an additional 510 million liters per day (mld) of water by implementing the Melamchi Water Supply Project (MWSP) in the near future. In this study, we aim to assess the spatial distribution of groundwate...


Thapa, Bhesh Raj[Implications of the Melamchi water supply project for the Kathmandu Valley groundwater system]Implications of the Melamchi water supply project for the Kathmandu Valley groundwater system

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 from the shallow aquifers of the Vientiane Plain, Laos is used for domestic needs including to some extent for drinking and for household gardening. The objective of this study is to assess the groundwater quality for drinking and irrigation activities and to determine the processes t...


Brindha, KarthikeyanPavelic, PaulSotoukee, TouleelorDouangsavanh, SomphasithElango, L.[Geochemical characteristics and groundwater quality in the Vientiane Plain, Laos]Geochemical characteristics and groundwater quality in the Vientiane Plain, Laos

This study looks at the groundwater issues in the dry zone of Sri Lanka and shows how the use of remote sensing with high-resolution images can help in groundwater management. A new approach is developed for automatic extraction of the location of agrowells using high-spatial-resolution satellite...


Sood, AdityaManthrithilake, HerathSiddiqui, SalmanRajah, AmeerPathmarajah, S.[Managing shallow aquifers in the dry zone of Sri Lanka]Managing shallow aquifers in the dry zone of Sri Lanka

Reviving the Ganges Water Machine (GWM), coined 40 years ago, is the most opportune solution for mitigating the impacts of recurrent droughts and floods in the Ganges River Basin in South Asia. GWM create subsurface storage (SSS) by pumping more groundwater from the aquifers before the monsoon fo...


Surinaidu, L.Muthuwatta, Lal P.Amarasinghe, Upali A.Jain, S.K.Kumar, S.Singh, S.[Reviving the Ganges water machine: accelerating surface water and groundwater interactions in the Ramganga sub-basin]Reviving the Ganges water machine: accelerating surface water and groundwater interactions in the Ramganga sub-basin

Groundwater quality receives increasing attention in water management in India. The purpose of this paper is to highlight the emerging issues of groundwater quality in the Ramganga Sub-Basin (RSB), a tributary joining the Ganga River from the northern plains, which extends over 30,839 Sq. km and ...


Natarajan, RajmohanAmarasinghe, Upali A.[Groundwater quality issues and management in Ramganga Sub-Basin]Groundwater quality issues and management in Ramganga Sub-Basin

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