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Browsing Research papers contributed by OUSL staff members by Author "Fernando, G.W.A.R."

Now showing items 1-20 of 43

Analyzing changes in the surface-subsurface hydrology in the

Shanmuganathan, S.; Manobavan, M.; Fernando, G.W.A.R. (sixth National Symposium on Geo-informatics, Colombo, 2009)

Interconnective processes involving surface and sub-surface groundwater reservoirs are complex and need visualization on the spatial domain for developing systems knowledge. In this context, this investigation mainly focuses ...
Application of Statistical modelling to gem exploration in sedimentary gem deposits in high grade gneiss terrains of Sri Lanka

Fernando, G.W.A.R.; Rupasinghe, M.S.; Dissanayake, C.B. (Geological Society of Sri Lanka, 1995)
An assessment of paleoenvironment of the Rakwana-Pannila limestone mountain of Sri Lanka

Sumanarathna, A.R.; Kanthika, W.A.L.; Fernando, G.W.A.R.; Silva, E.I.P.; Hathalahawaththa, D.K.; Sewwanndi, S.L.; Silva, A.C. (Journal of Eco Astronomy, 2017)

The Rakwana mountain range, which is located in the margin of the northern side of Sinharaja, a UNESCO world heritage site, is an area having rich bio–diversity. The recent excavations of the alluvial deposits in Sabaragamuwa ...
Characterization and Radiation Impact of Corrugated Asbestos Roofing Sheets in Sri Lanka

Karunaratne, P.C.T.; Fernando, G.W.A.R. (Geological Society of Sri Lanka, 2015)

This paper describes a systematic procedure for characterizing corrugated asbestoscement roofing sheets and evaluating their radiation status related to the asbestos fibre air dispersion that can cause carcinogenic diseases ...
Chemical and Structural Changes of Biotite during Preparation of Ayurvedic Medicine

Pitawala, A.; Fernando, G.W.A.R.; Weerasinghe, C. (Geological Society of Sri Lanka, 2009)

Biotite mica is used in the preparation of some kinds of Ayurvedic medicine. An investigation was undertaken to study the elemental exchange between biotite and other ingredients such as vinegar, cow-urine, paddy and jaggery ...
Cooling Rates of the Precambrian Basement of Sri Lanka: Problems and Perspectives

Fernando, G.W.A.R.; Baumgartner, L.P.; Hauzenberger, C.A.; Hofmeister, W. (IGCP 440, 2003)
Corundum-Spinel-Taafeite-Scheelite bearing Metasomatites in Bakamuna, Sri Lanka: Modelling its formation

Fernando, G.W.A.R.; Attanayake, Nishantha; Hofmeister, W. (University of Mainz, Germany, 2005)
Determination of long term sea level rise in the northern Indian Ocean

Indika, K.W.; Fernando, G.W.A.R.; Arulananthan, K.; Wijerathne, E.M.S. (Geospatial Sciences & Disaster Management, 2016)

Ocean based disasters and sea level rise threatens the sustainability of coastal habitats and community. Prediction of hazards and assessment of vulnerability are critical to adapt appropriate coastal plans, management ...
Development of acid sulphate soils in nilwala flood protection area, Matara, Sri Lanka

Fernando, G.W.A.R.; Suranganee, R.K.N. (Geological Society of Sri Lanka, 2009)

Development of acid sulphate soils was observed in some paddy fields of Nilwala flood protection area in Matara district. Field investigations, borehole data and chemical evidence that cause the abandoning of most of the ...
Dieback in Tropical Montane Forests of Sri Lanka: Anthropogenic or natural phenomenon?

Ranasinghe, P.N.; Fernando, G.W.A.R.; Wimalasena, M.D.N.R.; Ekanayake, S.P.; Siriwardana, Y.P.S. (Geological Society of Sri Lanka, 2009)

Forest health of Tropical Upper Montane Rain Forests of Sri Lanka which are considered as “Biodiversity Hotspots” merit global attention. They are now rapidly diminishing due to a hitherto little understood phenomenon ...
Discovery of a new primary magnetite deposit in Wella Waya

Senaratne, Atula; Dharmagunawardena, H.A.D.; Fernando, G.W.A.R. (University of Peradeniya, 2001)

A large primary magnetite deposit has been discovered at Kukurampola in Wellawaya lying in the proximity of the lithological boundary between the Highland and Eastern Vijayan Complexes of the Sri Lankan Precambrian. The ...
Diversity and abundance of marine plankton and hydrography in southern bay of Bengal

Kumara, Y.P.; Fernando, G.W.A.R.; Jayasiri, H.B. (Postgraduate Institute of Science, University of Peradeniya, 2017)

Plankton are microscopic plants and animals that float or drift along with the water currents, unable to swim against the currents. The abundance of plankton are significantly related with existing water quality conditions. ...
Diversity and abundance of marine plankton and hydrography in southern Bay of Bengal

Kumara, Y.P.; Fernando, G.W.A.R.; Jayasiri, H.B. (Postgraduate Institute of Science, University of Peradeniya, 2017)

Plankton are microscopic plants and animals that float or drift along with the water currents, unable to swim against the currents. The abundance of plankton are significantly related with existing water quality conditions. ...
Emplacement and Evolution History of Pegmatites and Hydrothermal Deposits, Matale District, Sri Lanka

Fernando, G.W.A.R.; Pitawala, A.; Amaraweera, T.H.N.G. (International Journal of Geosciences, 2011)

Excellent outcrops in Matale Sri Lanka provide unique insight into the emplacement and evolution history of hydrothermal and pegmatitic rocks in the central highlands of Sri Lanka. Field, structural, petrological, ...
Geo-vegetation Mapping and Soil Geochemical Characteristics of the Indikolapelessa Serpentinite Outcrop, Southern Sri Lanka

Hewawasam, Tilak; Fernando, G.W.A.R.; Priyashantha, Danushka (Springer-Verlag Berlin Heidelberg, 2014)

The serpentinite blocks of Indikolapelessa, located along an identified litho-tectonic boundary between the Highland Complex (HC) and the Vijayan Complex (VC) of Sri Lanka, have undergone extensive lateralization with metal ...
Granulite facies vestiges in the Vijayan complex , Sri Lanka: new petrological and geochemical evidences

Petschnig, Paul; Hauzenberger, C.A.; Fernando, G.W.A.R.; Fritz, Harald (Geological Society of Sri Lanka, 2016)

The Precambrian basement of Sri Lanka is subdivided into four major terrains, from northwest to southeast: The Wanni Complex (WC), the Kadugannawa Complex (KC), the Highland Complex (HC) and the Vijayan Complex (VC). The ...
High-temperature metasomatism and retrogression of granulite facies ultramafics from the Highland Complex of Sri Lanka: Field relationships, phase equilibria and fluid fluxes

Fernando, G.W.A.R.; Baumgartner, L.P.; Hofmeister, W. (Geological Society of Sri Lanka, 2013)

Concordant ultramafic rocks are exposed in the lower crustal granulites of Sri Lanka. The ultramafic rocks at Rupaha had emplaced early. They had been subjected to deformation and granulite facies metamorphism at 850oC at ...
High-temperature metasomatism in ultramafic Granulite of Highland complex, Sri Lanka

Fernando, G.W.A.R.; Baumgartner, L.P.; Hofmeister, W. (Geological Society of Sri Lanka, 2013)

Concordant ultramafic rocks are exposed in lower crustal granulites in Sri Lanka. The ultramafic rocks at Rupaha, Sri Lanka were emplaced early and subjected to deformation and granulite facies metamorphism at 850oC at 9 ...
Implementation of student support programme in the B.Sc. Degree programme of the open university of Sri Lanka using the pass model

Bandarage, G.; Fernando, G.W.A.R.; Nupearachchi, C.N.; Peiris, P.K.D.; Wattavidanage, J.; Rajendra, J.C.N.; Siriwardena, K.D.V.F.; Tantrigoda, R.U.; Weerakoon, S.R. (Open University of Sri Lanka, 2011)

Peer Assisted Study Sessions (PASS) is a well established supplemental instruction scheme practiced in various forms in more than 1000 higher education institutions in 29 countries1. The objective of a PASS programme is ...
The importance of the small-tank cascade system for the sustainable production of water in the dry zone of Sri Lanka

Shanmuganathan, S.; Manobavan, M.; Fernando, G.W.A.R. (Asia-Pacific Round Table for Sustainable Consumption and Production, 2010)

Proper operation and maintenance of water resources in the dry zone of Sri Lanka is a pre-requisite to ensure sustainable development. Of particular concern in these regards is the case of the ‘Rajarata’ cascade system of ...

Browsing Research papers contributed by OUSL staff members by Author "Fernando, G.W.A.R."

Browsing Research papers contributed by OUSL staff members by Author "Fernando, G.W.A.R."

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