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Salinity and Temperature Variations of the Surface Waters in the Jaffna Lagoon

Sachithananthan, K. (1969)

Seasonal and diurnal variation in salinity and water movements in Jaffna Lagoon, Ceylon

Arulpragasam, K.D. (Elsevier, 1974)

The seasonal and diurnal variation in salinity and the seasonal variation in temperature and rainfall are described and discussed for a shallow lagoon on the west coast of North Ceylon. The lagoon has four sea mouths and ...

Effects of the health service and environmental factors on infant mortality: the case of Sri Lanka.

Patel, M. (1980)

One of the findings of this study is that regional variations in the infant mortality rates of Sri Lanka are large, ranging from 26 per 1000 live births in Jaffna to 91 per 1000 in Nuwara Eliya, a tea estate district. These ...

Nitrate-nitrogen content of well water and soil from selected areas in the Jaffna Peninsula.

Mageswaran, R.; Mahalingam, S. (1983)

This paper describes the results of a study concerning the amount of nitrate present in drinking water and soil in selected locations in the Jaffna Peninsula. In several places, the amount of nitrate-nitrogen is above the ...

Medical geochemistry of nitrates and human cancer in Sri Lanka.

Dissanayake, C. B.; Weerasooriya, S. V. R. (1987)

A study of the incidence of various types of human cancer in relation to nitrate concentrations in Sri Lanka revealed a significant positive correlation for stomach, small intestine, oesophagus and liver cancers, as well ...

Review of the pollution threat to groundwater in Sri Lanka.

Lawrence, A. R.; Chilton, P. J.; Kuruppuarachchi.D. S.P. (1988)

Groundwater is an Important source of potable water in Sri Lanka. However. little attention has been given to the pollution risk to the supplies despite the increasing threat posed by both modern intensive agriculture and ...

Water quality of some wells in Jaffna and Kilinochchi with special reference to nitrate pollution

Nagarajah, S.; Emerson, B.N.; Abeykoon, V.; Yogalingam, S. (1988)

Water samples from 65 wells in the Jaffna and Kilinochchi districts were analysed for pH, EC, Na, K, Ca, Mg. P and NO,-N. About 65% of the wells in the Jaffna peninsula had high salinity water; la the Islands more than 80% ...

Lesson from the Thondaimannar scheme for creation of fresh water bodies.

Chitravadivelu, K (1993)

The Thondaimannar scheme was designed in 1943 to prevent the ingress of salt water from the sea into the lagoon by erecting a barrage with sluice gates and leach away periodically with rain water the salt from the blocked ...

Water resource development Jaffna Peninsula

Sanmugarajah, K. (1993)

Water problems in the Jaffna peninsula.

Navaratnarajah, V. (1994)

An economic analysis of groundwater use for agriculture in the Jaffna District.

Thiruchelvam, S.; Abeygunawardena, P.; Gunawardena, E.R.N. (1994)

Heavy withdrawal of ground-water has been identified as a serious problem affecting ground-water quality, threatening agricultural productivity and thereby the income of the farmers in the Jaffna district. A two stage ...

Challenges to Urban Water Management in Sri Lanka.

Seneviratne, L.W. (2000)

Sri Lanka has an urban population of 22% of the national population living in 1% of its land area in 1985. Coastal lands in the wet zone are thickly populated and demand for water supply is increasing for pipe-borne safe ...

Some physico-chemical characters of groundwater in some (selected) water supply wells in the Jaffna peninsula

Nanthini, T.; Thushyanthy, M.; Vijayaratnam, R. (2001)

The study focussed on the criteria used in assessing the quality of ground water. Among physical properties, turbidity, colour, odour and taste and among chemical properties; chloride, iron and sulphate concentration, total ...

Jaffna rehaibilization project(JRP).Study on water supply ,Rain water harvesting,waste water and solid waste mangement in Jaffna Municipal council

Sivarajah, N. (2002)

Groundwater quality in the Valigamam region of the Jaffna Peninsula, Sri Lanka

Rajasooriyar, L.D.; Mathavan, V.; Dharmagunawardhane, H.A.; Nandakumar, V. (2002)

The Valigamam region is underlain by a Miocene limestone formation and a highly porous soil cover. The region is totally dependent on groundwater to meet its agricultural, industrial and domestic needs, since other sources ...

Length-weight relationship and relative condition of a silver biddy Gerres oblongus (Pisces : Perciformes) from the Jaffna lagoon, Sri Lanka.

Sivashanthini, K.; Abeyrami, B. (2003)

Cultivation of Gerres oblongus is likely to be profitable because of the consumer demand. The values obtained for the mean weight by sex show that females were significantly (P<0.05) larger than males. Covariance analysis ...

comparative study of the diversity of birds in three man-made reserviors in Vavuniya,Sri Lanka

Sajitharan, T.M. (2003)

Despite its small size (65,510 km) and high human population density (250 peoplefon), Sri Lanka supports a rich and dives avifaa. Of the 425 species and subspecies that Harrison & Warisik (1999) have recorded from Sri ...

Impact of fertiliser and manure use on the environment.

Loganathan, P.; Mohanadas, S. (2003)

Fertiliser and manure application to agricultural land has markedly increased agricultural production in the world including the North-East (NE) of Sri Lanka. However, improper use of fertiliser and manure with respect to ...

Potential contaminant introduced to environment from agricultural sector in Jaffna Peninsula

Gnanavelrajah, N. (2003)

Fate of agrochemicals introduced into soil water and biotic system is important in assessing the environmental pollution caused by these chemicals. In Jaffna peninsula fertilizers and pesticides have been extensively used ...

Requlating non point source pollution from agriculture.

Sooriyakumar, K. (2003)

set of policy options to regulate non point source pollution from agriculture in Jaffna district. Studies are oriented towards comparing the effects of input oriented measures (Fertilizer tax) and policy measures directed ...

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