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Abundance and diversity of phytoplankton and zooplankton in selected village tanks in Vavuniya, Sri Lanka

Samarawickrama, R. A. D.; Nanthakumaran, A.; Sivakumar, P.; Saravanan, S. (2023)

The abundance and diversity of planktons in selected village tanks namely Peraru, Nochchimoddai and Mamaduwa in the Vavuniya district were studied from March to April, 2021. The objectives of the study were to identify the ...
Application of electronic spread sheet and water balance error optimization technique in ground water model study to improve the ground water system in restricted area

Sivakumar, S.S. (2014)

A study was carryout for a restricted ground water catchment about 160 sq. kilo meters in Vavuniya in Northern Sri Lanka to find out an operational policy of minor and medium Irrigation schemes, to recharge the ground ...
Application of Geospatial techniques for groundwater quality and availability assessment: A case study in Jaffna Peninsula, Sri Lanka

Gunaalan, K.; Ranagalage, M.; Gunarathna, M.H.J.P.; Kumari, M.K.N.; Vithanage, M.; Srivaratharasan, T.; Saravanan, S.; Warnasuriya, T.W.S. (2018)

Groundwater is one of the most important natural resources in the northern coastal belt of Sri Lanka, as there are no major water supply schemes or perennial rivers. Overexploitation, seawater intrusion and persistent ...
An Approach to Delineate Potential Groundwater Zones in Kilinochchi District, Sri Lanka, Using GIS Techniques

Pathmanandakumar, V.; Thasarathan, N.; Ranagalage, M. (2021)

The scarcity of surface water resources in the dry season in the Kilinochchi district increases the demand for freshwater. Therefore, the main objective of this study is to delineate potential groundwater zones in Kilinochchi, ...
Are Water Resources Sufficient to Support the Proposed Development in the Northern Province?

Ranasinghe, H. (2014)

After more than 30 years of armed conflict the Northern Province is on its path of development. Under the massive development programme of the North namely ‘Uthuru Wasanthaya’ development of infrastructure, resettlement, ...
Arsenic, cadmium, lead, and chromium in well water, rice, and human urine in Sri Lanka in relation to chronic kidney disease of unknown etiology.

Ayala, H. M.; Herath, S.; Tomonori Kawakami; Shiori Nagasawa; Yuka Serikawa; Ayuri Motoyama; Tushara Chaminda, G. G.; Weragoda, S. K.; Yatigammana, S. K.; Amarasooriya, A. A. G. D. (IWA publishing, 2018)

Chronic kidney disease of unknown etiology (CKDu) is spreading gradually in Sri Lanka. In the current research, 1,435 well water samples from all 25 districts of Sri Lanka, 91 rice samples, and 84 human urine samples from ...
Arsenic-rich shallow groundwater in sandy aquifer systems buffered by rising carbonate waters: A geochemical case study from Mannar Island, Sri Lanka

Bandara, U.G.C.; Diyabalanage, S.; Hanke, C.; van Geldern, R.; Barth, J.A.; Chandrajith, R. (2018)

Major ion, trace elements, and stable isotope analyses were performed on groundwater samples collected from Mannar Island in the northern Indian Ocean. Arsenic concentrations up to 34 μg/L have been observed in groundwater ...
Assessing and mapping the groundwater potability in Vallipuram coastal area, Jaffna peninsula, Sri Lanka by weighted arithmetic water quality indexing method

Anoja, N.; Sharmilaa, R.; Sirisena, A. (2023)

Ground water is an extremely valuable resource and pollution of ground water resources is a matter of serious concern. Though more than 80% of people in the Jaffna region, rely on groundwater self-supply wells, the extent ...
Assessing and mapping the groundwater potability in Vallipuram coastal area, Jaffna peninsula, Sri Lanka by weighted arithmetic water quality indexing method.

Anoja, N.; Sharmilaa, R.; Sirisena, K. A. (2023)

Ground water is an extremely valuable resource and pollution of ground water resources is a matter of serious concern. Though more than 80% of people in the Jaffna region, rely on ground water self-supply wells, the extent ...
Assessing the Quantity and Quality Controls of the Freshwater Lens on a Semi-Arid Coral-Limestone Island in Sri Lanka

Wu, C.L.R.; Stigter, T.Y.; Craig, S.G. (2022)

Uncertainties in the contamination and salinization mechanisms of the freshwater lens (FWL) in the semi-arid coral-limestone aquifer of Delft Island, Sri Lanka threatens its water security. The processes governing the ...
An Assessment of Ground Water Quality in Selected Dug Wells in Vavuniya Urban Council Limit through Water Quality Index

Ravi, V.; Hareth, G.B.B.; Manobavan, M.; Sivakumar, S.S. (2016)

An assessment conducted in Vavuniya urban council limit from dug well water sample, the particular council consists nine Girama Niladhari Divisions. This study was assessed selected physio-chemical and biological parameters ...
Assessment of groundwater quality in Vavuniya and Mullaitivu, Sri Lanka using multivariate statistical techniques and a Water Quality Index

Meegahakumbura, S. P. S.; Nanayakkara, N. (2023)

Groundwater is the primary source of potable water in the Northern province of Sri Lanka. Extensive development projects, comprising resettlements after the civil war, resulted in more groundwater extraction. This study ...
Assessment of groundwater resources in Jaffna limestone aquifer

Thushyanthy, M.; De Silva, C.S., (2015)

This study is centered on quantitative estimation of groundwater resources of a selected study area in a limestone aquifer, which is the main resource for agriculture,domestic use and water supply in Jaffna Peninsula. ...
Assessment of nitrate-N contamination in the Chunnakam aquifer system, Jaffna Peninsula, Sri Lanka

Vithanage, M.; Thushyanthy, M.; Pathmarajah, S.; Arasalingam, S.; Manthrithilake, H. (2014)

Jaffna peninsula in Sri Lanka is an area of intensive agriculture using extensive organic and inorganic nitrogenous compounds and hence, this study was focused on assessing vulnerability of karstic aquifer system with ...
Assessment of Physico-Chemical Parameters of Groundwater For Drinking Purpose With Reference to Resettlement Area, Vavuniya

Pradip Shah; Nanthakumaran, A.; Kawamoto, K. (2019)

This study deals with Physico-chemical of groundwater and surface water that are degraded by geological structure, poor sanitation, solid waste dumping and cultivation in this area have led surface and groundwater pollution ...
Assessment of spatial and temporal trend of groundwater salinity in Jaffna Peninsula and its link to paddy land abandonment

Gopalakrishnan, T.; Kumar, L.; Thushyanthy, M. (2020)

Salinization is an explicit global threat faced by coastal low lands. The increased seawater ingression into groundwater due to various climatic and anthropogenic factors affects functioning of ecosystems, biodiversity and ...
Assessment of the chemical facies of groundwater using factor analysis in the Chunnagam aquifer, Jaffna Peninsula

Arasalingam, S.; Manthrithilake, H.; Pathmarajah, S.; Thushyanthy, M.; Vithanage, M. (2018)

The Jaffna Peninsula has four main types of aquifer systems, namely,Chunnakam (in the Valikamam area), Thenmaradchi, Vadamaradchi, and Kayts. The water resources of the Valikamam region depend totally on rainfall recharge ...
Assessment of the Efficacy of Home Remedial Methods to Improve Drinking Water Quality in Two Major Aquifer Systems in Jaffna Peninsula, Sri Lanka

Wijeyaratne, W.M.; Subanky, S. (2017)

Chunnakam and Vadamaradchi are two major aquifer systems in Jaffna Peninsula, Sri Lanka. This study was performed to compare water quality in the domestic wells in these aquifers and to assess the efficacy of household ...
Assessment of water quality and pollution in Gurunagar fishery harbour, Jaffna, Sri Lanka

Sivanandan, A.; Kuganathan, S.; Ketheesan, B. (2023)

Coastal marine water pollution is caused by anthropogenic activities either directly or indirectly. Substances released into marine coastal environment result in deleterious effects such as harmful to living resources, ...
Assessment of water quality index of groundwater quality in Chunnakam and Jaffna Town, Sri Lanka

Harshan, s.; Thushyanthy, M.; Gunatilake, J.; Srivaratharasan, T .; Gunaalan, K. (2017)

The Water Quality Index (WQI) is simple tool and compound indicator, aggregates information from several water quality parameters to convey water quality information in single value to planners, policy makers and the public. ...

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