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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

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

The impact of a proposed uranium tailings pond on groundwater quality was assessed by geochemical modelling. Groundwater samples were collected from six dug wells in the Nalgonda district, Andhra Pradesh, in southern India, once every 2 months from March 2008 to January 2010, and analysed for cal...


Brindha, KarthikeyanElango, L.[Geochemical modelling of the effects of a proposed uranium tailings pond on groundwater quality. Technical article]Geochemical modelling of the effects of a proposed uranium tailings pond on groundwater quality. Technical article

Groundwater and surface water quality is an important factor that determines its usage for drinking and irrigational use. This study was carried out along a major irrigation water source-Uyyakondan channel in Tiruchirappalli, south India. Fourteen surface water samples along the channel and fifte...


Brindha, KarthikeyanKavitha, R.[Hydrochemical assessment of surface water and groundwater quality along Uyyakondan channel, South India]Hydrochemical assessment of surface water and groundwater quality along Uyyakondan channel, South India

Identification of a suitable overlay and index method to map vulnerable zones for pollution in weathered rock aquifers was carried out in this study. DRASTIC and four models derived from it, namely Pesticide DRASTIC, modified DRASTIC, modified Pesticide DRASTIC and Susceptibility Index (SI) were ...


Brindha, KarthikeyanElango, L.[Cross comparison of five popular groundwater pollution vulnerability index approaches]Cross comparison of five popular groundwater pollution vulnerability index approaches

Remote sensing and GIS tools have broadly helped hydrogeologists to delineate the groundwater prospective zones for watershed development and management. The origin, movement and existence of groundwater depends on several factors such as slope, drainage density, land use, geology, lineament dens...


Rajaveni, S.P.Brindha, KarthikeyanElango, L.[Geological and geomorphological controls on groundwater occurrence in a hard rock region]Geological and geomorphological controls on groundwater occurrence in a hard rock region

Deficit irrigation could be considered as one potential option to improve water productivity and obtain some level of assured income under water scarcity and drought conditions in Central Asia. This article investigates water productivity and economic returns to two varieties of potato crop under...


Pavelic, PaulBrindha, Karthikeyan[Identifying priority watersheds to mitigate flood and drought impacts by novel conjunctive water use management]Identifying priority watersheds to mitigate flood and drought impacts by novel conjunctive water use management

A water and soil quality baseline study was carried out across the ~ 4500 km2 Vientiane Plain in Lao PDR. Eight water quality and nine soil parameters were analysed using field kits at 95 sites in March 2015. Elevated electrical conductivity and chloride were apparent at two sites due to geogenic...


Brindha, KarthikeyanPavelic, PaulSotoukee, T.[Environmental assessment of water and soil quality in the Vientiane Plain, Lao PDR]Environmental assessment of water and soil quality in the Vientiane Plain, Lao PDR

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