Invited talks, Abstracts and Conference Proceedings
Invited Talks in International Conferences
Vithanage, M. Monitoring water pollution from open solid waste dump sites in Sri Lanka. Invited Talk by the Young Affiliates. 12th General Conference of the Third World Academy of Sciences. Tianjin, China. 18-21 September, 2012.
Vithanage, M. S.S.R.M.D.H.R. Wijesekara, I.P.L. Jayarathna. Nanomaterials for landfill leachate treatment: The Sri Lankan perspective. Invited Talk. First International Conference on Emerging Technologies for Clean Water. IIT-Madras, 14-16 September, 2012
Vithanage, M., Ahmad, M., A.U. Rajapaksha and Ok, Y.S. Application of surface complexation modelling and synchrotron based spectroscopic techniques to soil and environmental systems. Keynote Address. Korean Society for Soil Science and Fertilizer, Oct. 2011
Vithanage, M., P. Engesgaard, K.H. Jensen, J. Obeysekera, K. Villholth and T.H. Illangasekare. Effect of 2004 tsunami on groundwater in a coastal aquifer of Sri Lanka: Tank experiments, field observations and numerical modelling. Invited talk. American Geophysical Union, Fall Meeting, San Francisco, 2009.
Vithanage, M., T.H. Illangasekare, K.H. Jensen, J. Obeysekera, P. Engesgaard and K.G. Villholth. Variable density flow and transport in tsunami
impacted coastal aquifers; Laboratory investigations in homogeneous saturated porous media. Featured Speaker. Salt Water Intrusion Meeting, Naples, Florida, June 23-27, 2008.
Villholth, K.G., M. Vithanage, R.R. Goswami, P. Jeyakumar, and A.S.P. Manamperi. Salinity Impacts of the Indian Ocean Tsunami on Groundwater and Local Water Supply – Lessons Learned from Integrated Research and Support to Rehabilitation. Invited talk. AGU Joint Assembly, Fort Lauderdale, Florida, May 27-30, 2008.
Paper Publications in International Conferences
Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Toxic metals in soils contaminated by landfill leachate in Kandy area, Sri Lanka. The 12th Annual Conference of Thai Society of Agricultural Engineering. Chonburi, Thailand; 31 March-1 April
2011
Subedi, S., K. Kawamoto, A.K. Karunarathna, L. Jayarathna, M. Vithanage, T. Komatsu. Assessment of water repellency of model sands mixed with oleic acid. The 12th International Summer Symposium. Japan Society for Civil Engineers. Nihin University, Japan. September 2010.
Rajapaksha, A., M. Vithanage, L. Jayarathna, C. K. Kumara. Natural Red Earth as a possible low cost sustrate for arsenic removal in water; comparison of laboratory controlled and uncontrolled conditions. Arsenic in geosphere and human diseases. Jean, Bundschuh and Bhattachcharya (eds) As 2010. Taylor and Francis Group, London.
Vithanage, M., T.H. Illangasekare, K.H. Jensen, J. Obeysekera, P. Engesgaard and K.G. Villholth. Variable density flow and transport in tsunami
impacted coastal aquifers; Laboratory investigations in homogeneous saturated porous media. Salt Water Intrusion Meeting, Naples, Florida, June 23-27, 2008.
Vithanage, M., Goswami, R.R., T. Sakaki, T. Illangasekare, K.H. Jensen, P. Engesgaard, K.G. Villholth and T.P. Clement. Effect of tsunami on shallow
groundwater-intermediate scale physical experiment and numerical modeling. ModelCARE, Copenhagen, Denmark, September 10-13, 2007.
Hoareau, J., R., Guerin, J.M.,Vouillamoz, M. Vithanage. Sustainable development of water resources, water supply and environmental sanitation.
32nd WEDC International Conference. Colombo, Sri Lanka. Dec, 2006.
Abstract Publications in International Conferences
Rajapaksha, A.U., Vithanage, M., Ahmad, M., Ok, Y.S Efficacy of soybean stover-derived biochar for antimony removal from water , The 4th IBI Biochar Congress, Beijing, China, 16th-20th September 2012.
Wijesekara, S.S.R.M.D.H.R.. Vithanage, M. Synthesis and characterization of air-stable zero valent iron nano particles by different stabilizing agents. First International Conference on Emerging
Technologies for Clean Water. IIT-Madras, 14-16 September,
2012
Lee L.Y., Weragoda S.K., Ng H.Y., Attanayake M.A.M.S.L., Hu J.Y., Manatunge J., Herath G., Mowjood M.I.M., Jinadasa K.B.S.N., Weerasooriya R., Vithanage M., Kalpage C.S.,Ong S.L., Lim H.S. and Makehelwala M. Development of Water Safety Plan for Kandy South Water Treatment Plant, Sri Lanka - A case study on approach and strategy. Water Convention, Singapore International Water Week. July, 2012.
Vithanage, M., Rajapaksha, A.U., Wijesekara., S.S.R.M.D.H.R., Weerarathna, N., Ok, Y.S., Probing the Effect of Soil Types and Fertilizer on Arsenic Portioning under Simulated Environmental Conditions. The 6th Pacific Basin Conference on Adsorption Science and Technology, 20th -23rd May 2012.
Wijesekara, S.S.R.M.D.H.R., Mahatanthila, K., Eheliyagoda, D.R.M.R.D.P., Mayakaduwa, S.S., Basnayake, B.F.A., Vithanage, M. Fate and transport of pollutants generated from the Gohagoda open dump site, Kandy, Sri Lanka. Symposium Proceedings, International Symposium on Water Quality and Human Health: Challenges Ahead, 22-23 March, 2012.
Wijesekara, S.S.R.M.D.H.R, Dideriksen, K., Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Application of nano zero valent iron for landfill leachate treatment in the tropics. The 27th International Conference on Solid Waste Technology and Management Philadelphia, PA, U.S.A.March, 2012
Rajapaksha, R.M.A.U., Vithanage, M., S.S.R.M.D.H.R. Wijesekara, Ahmad, M., Ok, Y.S. Efficacy of soybean stover biochar for arsenic and antimony removal from aqueous solutions. 1st International Biochar Symposium, Kangwon National University,Chuncheon, Korea. Dec, 2011
Vithanage, M., Rajapaksha, R.M.A.U., Mahatantila, K., Ahmad, M., Ok, Y.S. Modeling antimony adsorption on soybean biochar. 1st International Biochar Symposium, Kangwon National University,Chuncheon, Korea. Dec, 2011
Rajapaksha, R.M.A.U.,Vithanage, M., Bandara, W.M.A.T., Weerasooriya, R. Nickel adsorption on single and dual site clay surfaces; Effect of pH and nickel loadings. American Geophysical Union Fall Meeting, 2011, December, San Francisco, USA
Vithanage, M., Hettiarachchi, J.K., Rajapaksha, R.M.A.U., Wijesekara, H., Hewawasam, T. Heavy metals in Ratnapura alluvial gem sediments, Sri
Lanka. American Geophysical Union Fall Meeting, 2011, December, San Francisco, USA
Rajapaksha, A.U., Vithanage, M., Oze, C., Bandara, W.M.A.T. & Weerasooriya, R. Formation of Cr(VI) related to Cr(III)-muscovite in soil and groundwater systems. Sources, Transport, and Fate of Trace and Toxic Elements in the Environment, Geological Society of America Annual Meeting, October, 2011
Subedi, S., K. Kawamoto, T. Komatsu, L. Jayarathna, M. Vithanage, P. Moldrup, Hydrophorbic capillary barriers for solid waste landfill capping;
Characterizing water repellency of hydrophobized sand materials. Proceedings of the Lien Foundation-NTU Environmental Endeavour, Seminar on water and environment in Asia’s developing communities. July, 2011, Singapore
Subedi, S., K. Kawamoto, L. Jayarathna, M. Vithanage, P. Moldrup, T. Komatsu. Assessment of water repellency indices; Contact angle for hydrophobized sands. Japan Geoscience Union Meeting, Accepted for oral presentation May, 2011
Rajapaksha, A.U., Vithanage, M., Bandara, W.M.A.T. & Weerasooriya, R. Heavy metal release from serpentine soil dissolution: Fractional speciation of Ni and Mn. American Geophysical Union, Fall Meeting, San Francisco, December, 2010.
Vithanage, M. and Randiligama, S. Comparison of low cost materials to remove fluoride from drinking water in Sri Lanka; Response to health problems associated with contiguous hydrogeochemistry. American Geophysical Union, Fall Meeting, San Francisco, December, 2010.
Rajapaksha, A.U., Vithanage, M., Bandara, W.M.A.T. & Weerasooriya, R. Effect of organic and inorganic acids on serpentinite soil dissolution; Release of Ni and Mn to the environment. Sources, Transport, and Fate of Trace and Toxic Elements in the Environment, Geological Society of America Annual Meeting, Vol. 42, No. 5, p. 502
Vithanage, M., P. Engesgaard, K.H. Jensen, J. Obeysekera, K. Villholth and T.H. Illangasekare. Effect of 2004 tsunami on groundwater in a coastal aquifer of Sri Lanka: Tank experiments, field observations and numerical modelling. Invited talk. American Geophysical Union, Fall Meeting, San Francisco, 2009.
Abstract Publications in Local Conferences
De silva, N., Wijesekara, S.S.R.M.D.H.R., Basnayake, B.F.A., Vithanage, M. Proceedings of the 28th Annual Sessions, Geological Society of Sri Lanka. 24th February, 2012.
Jayarathna, L., Bandara, A., Vithanage, M., Weerasooriya, R. Structure optimization and IR frequency interpretation of Fe6(OH)18(H2O)6Nano particles by DFT calculations. Proceedings of the Peradeniya University Research Sessions, Sri Lanka, Vol 16, 24th November 2011.
Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Temporal variation of landfill leachate quality at Gohagoda dump site. International Forestry and Environment Symposium. Sri Jayewardenepura University, Oct, 2011
Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Toxic metals in soils contaminated by landfill leachate in Gohagoda dump site, Kandy, Sri Lanka. Symposium on Disasters: Reduction, Mitigation and Management. Proceedings of the 27thAnnual sessions of the Geological Society of Sri Lanka. 25-26 February, 2011
Jayarathna, I.P.L., Rajapaksha, A.U., Vithanage, M. Defluoridation behavior of laterite under different pH, contact time, fluoride loading and co-existing ions. Symposium on Disasters: Reduction, Mitigation and Management. Proceedings of the 27th Annual sessions of the Geological Society of Sri Lanka. 25-26 February, 2011
Kumara, H.A.J., Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Hewawasam, A.L.T., Vithanage, M. Fractionation and availability of heavy metals in Ratnapura gem bearing alluvium. Proceedings of the 27th Annual sessions of the Geological Society of Sri Lanka. 25-26 February, 2011
Vithanage, M. Monitoring water pollution from open solid waste dump sites in Sri Lanka. Invited Talk by the Young Affiliates. 12th General Conference of the Third World Academy of Sciences. Tianjin, China. 18-21 September, 2012.
Vithanage, M. S.S.R.M.D.H.R. Wijesekara, I.P.L. Jayarathna. Nanomaterials for landfill leachate treatment: The Sri Lankan perspective. Invited Talk. First International Conference on Emerging Technologies for Clean Water. IIT-Madras, 14-16 September, 2012
Vithanage, M., Ahmad, M., A.U. Rajapaksha and Ok, Y.S. Application of surface complexation modelling and synchrotron based spectroscopic techniques to soil and environmental systems. Keynote Address. Korean Society for Soil Science and Fertilizer, Oct. 2011
Vithanage, M., P. Engesgaard, K.H. Jensen, J. Obeysekera, K. Villholth and T.H. Illangasekare. Effect of 2004 tsunami on groundwater in a coastal aquifer of Sri Lanka: Tank experiments, field observations and numerical modelling. Invited talk. American Geophysical Union, Fall Meeting, San Francisco, 2009.
Vithanage, M., T.H. Illangasekare, K.H. Jensen, J. Obeysekera, P. Engesgaard and K.G. Villholth. Variable density flow and transport in tsunami
impacted coastal aquifers; Laboratory investigations in homogeneous saturated porous media. Featured Speaker. Salt Water Intrusion Meeting, Naples, Florida, June 23-27, 2008.
Villholth, K.G., M. Vithanage, R.R. Goswami, P. Jeyakumar, and A.S.P. Manamperi. Salinity Impacts of the Indian Ocean Tsunami on Groundwater and Local Water Supply – Lessons Learned from Integrated Research and Support to Rehabilitation. Invited talk. AGU Joint Assembly, Fort Lauderdale, Florida, May 27-30, 2008.
Paper Publications in International Conferences
Wijesekara, S.S.R.M.D.H.R., Vithanage, M., Dideriksen,K., Mahatantila, K. Basnayake, B.F.A. Application of nano-zero valent iron for landfill leachate treatment in the tropics. The 7th Asian Pacific Landfill Symposium. 8th -11th October, 2012.
Mayakaduwa, S.S., Siriwardana, A. R., Wijesekara, S.S.R.M.D.H.R., Basnayake, B.F.A., Vithanage, M. Characterization of landfill leachate draining from Gohagoda municipal solid waste open dump site for dissolved organic carbon, nutrients and heavy metals. The 7th Asian Pacific Landfill Symposium. 8th -11th October, 2012. The 7th Asian Pacific Landfill Symposium. 8th -11th October, 2012.
Sewwandi, B.G.N. Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Mowjood, M.I.M, Vithanage, M. Risk of Soil and Water Pollution by Heavy Metals in Landfill Leachate. The 12th Annual Conference of Thai Society of Agricultural Engineering. Chonburi, Thailand; 31 March-1 April 2011Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Toxic metals in soils contaminated by landfill leachate in Kandy area, Sri Lanka. The 12th Annual Conference of Thai Society of Agricultural Engineering. Chonburi, Thailand; 31 March-1 April
2011
Subedi, S., K. Kawamoto, A.K. Karunarathna, L. Jayarathna, M. Vithanage, T. Komatsu. Assessment of water repellency of model sands mixed with oleic acid. The 12th International Summer Symposium. Japan Society for Civil Engineers. Nihin University, Japan. September 2010.
Rajapaksha, A., M. Vithanage, L. Jayarathna, C. K. Kumara. Natural Red Earth as a possible low cost sustrate for arsenic removal in water; comparison of laboratory controlled and uncontrolled conditions. Arsenic in geosphere and human diseases. Jean, Bundschuh and Bhattachcharya (eds) As 2010. Taylor and Francis Group, London.
Vithanage, M., T.H. Illangasekare, K.H. Jensen, J. Obeysekera, P. Engesgaard and K.G. Villholth. Variable density flow and transport in tsunami
impacted coastal aquifers; Laboratory investigations in homogeneous saturated porous media. Salt Water Intrusion Meeting, Naples, Florida, June 23-27, 2008.
Vithanage, M., Goswami, R.R., T. Sakaki, T. Illangasekare, K.H. Jensen, P. Engesgaard, K.G. Villholth and T.P. Clement. Effect of tsunami on shallow
groundwater-intermediate scale physical experiment and numerical modeling. ModelCARE, Copenhagen, Denmark, September 10-13, 2007.
Hoareau, J., R., Guerin, J.M.,Vouillamoz, M. Vithanage. Sustainable development of water resources, water supply and environmental sanitation.
32nd WEDC International Conference. Colombo, Sri Lanka. Dec, 2006.
Abstract Publications in International Conferences
Rajapaksha, A.U., Vithanage, M., Ahmad, M., Ok, Y.S Efficacy of soybean stover-derived biochar for antimony removal from water , The 4th IBI Biochar Congress, Beijing, China, 16th-20th September 2012.
Wijesekara, S.S.R.M.D.H.R.. Vithanage, M. Synthesis and characterization of air-stable zero valent iron nano particles by different stabilizing agents. First International Conference on Emerging
Technologies for Clean Water. IIT-Madras, 14-16 September,
2012
Lee L.Y., Weragoda S.K., Ng H.Y., Attanayake M.A.M.S.L., Hu J.Y., Manatunge J., Herath G., Mowjood M.I.M., Jinadasa K.B.S.N., Weerasooriya R., Vithanage M., Kalpage C.S.,Ong S.L., Lim H.S. and Makehelwala M. Development of Water Safety Plan for Kandy South Water Treatment Plant, Sri Lanka - A case study on approach and strategy. Water Convention, Singapore International Water Week. July, 2012.
Vithanage, M., Rajapaksha, A.U., Wijesekara., S.S.R.M.D.H.R., Weerarathna, N., Ok, Y.S., Probing the Effect of Soil Types and Fertilizer on Arsenic Portioning under Simulated Environmental Conditions. The 6th Pacific Basin Conference on Adsorption Science and Technology, 20th -23rd May 2012.
Wijesekara, S.S.R.M.D.H.R., Mahatanthila, K., Eheliyagoda, D.R.M.R.D.P., Mayakaduwa, S.S., Basnayake, B.F.A., Vithanage, M. Fate and transport of pollutants generated from the Gohagoda open dump site, Kandy, Sri Lanka. Symposium Proceedings, International Symposium on Water Quality and Human Health: Challenges Ahead, 22-23 March, 2012.
Wijesekara, S.S.R.M.D.H.R, Dideriksen, K., Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Application of nano zero valent iron for landfill leachate treatment in the tropics. The 27th International Conference on Solid Waste Technology and Management Philadelphia, PA, U.S.A.March, 2012
Rajapaksha, R.M.A.U., Vithanage, M., S.S.R.M.D.H.R. Wijesekara, Ahmad, M., Ok, Y.S. Efficacy of soybean stover biochar for arsenic and antimony removal from aqueous solutions. 1st International Biochar Symposium, Kangwon National University,Chuncheon, Korea. Dec, 2011
Vithanage, M., Rajapaksha, R.M.A.U., Mahatantila, K., Ahmad, M., Ok, Y.S. Modeling antimony adsorption on soybean biochar. 1st International Biochar Symposium, Kangwon National University,Chuncheon, Korea. Dec, 2011
Rajapaksha, R.M.A.U.,Vithanage, M., Bandara, W.M.A.T., Weerasooriya, R. Nickel adsorption on single and dual site clay surfaces; Effect of pH and nickel loadings. American Geophysical Union Fall Meeting, 2011, December, San Francisco, USA
Vithanage, M., Hettiarachchi, J.K., Rajapaksha, R.M.A.U., Wijesekara, H., Hewawasam, T. Heavy metals in Ratnapura alluvial gem sediments, Sri
Lanka. American Geophysical Union Fall Meeting, 2011, December, San Francisco, USA
Rajapaksha, A.U., Vithanage, M., Oze, C., Bandara, W.M.A.T. & Weerasooriya, R. Formation of Cr(VI) related to Cr(III)-muscovite in soil and groundwater systems. Sources, Transport, and Fate of Trace and Toxic Elements in the Environment, Geological Society of America Annual Meeting, October, 2011
Subedi, S., K. Kawamoto, T. Komatsu, L. Jayarathna, M. Vithanage, P. Moldrup, Hydrophorbic capillary barriers for solid waste landfill capping;
Characterizing water repellency of hydrophobized sand materials. Proceedings of the Lien Foundation-NTU Environmental Endeavour, Seminar on water and environment in Asia’s developing communities. July, 2011, Singapore
Subedi, S., K. Kawamoto, L. Jayarathna, M. Vithanage, P. Moldrup, T. Komatsu. Assessment of water repellency indices; Contact angle for hydrophobized sands. Japan Geoscience Union Meeting, Accepted for oral presentation May, 2011
Rajapaksha, A.U., Vithanage, M., Bandara, W.M.A.T. & Weerasooriya, R. Heavy metal release from serpentine soil dissolution: Fractional speciation of Ni and Mn. American Geophysical Union, Fall Meeting, San Francisco, December, 2010.
Vithanage, M. and Randiligama, S. Comparison of low cost materials to remove fluoride from drinking water in Sri Lanka; Response to health problems associated with contiguous hydrogeochemistry. American Geophysical Union, Fall Meeting, San Francisco, December, 2010.
Rajapaksha, A.U., Vithanage, M., Bandara, W.M.A.T. & Weerasooriya, R. Effect of organic and inorganic acids on serpentinite soil dissolution; Release of Ni and Mn to the environment. Sources, Transport, and Fate of Trace and Toxic Elements in the Environment, Geological Society of America Annual Meeting, Vol. 42, No. 5, p. 502
Vithanage, M., P. Engesgaard, K.H. Jensen, J. Obeysekera, K. Villholth and T.H. Illangasekare. Effect of 2004 tsunami on groundwater in a coastal aquifer of Sri Lanka: Tank experiments, field observations and numerical modelling. Invited talk. American Geophysical Union, Fall Meeting, San Francisco, 2009.
Abstract Publications in Local Conferences
De silva, N., Wijesekara, S.S.R.M.D.H.R., Basnayake, B.F.A., Vithanage, M. Proceedings of the 28th Annual Sessions, Geological Society of Sri Lanka. 24th February, 2012.
Jayarathna, L., Bandara, A., Vithanage, M., Weerasooriya, R. Structure optimization and IR frequency interpretation of Fe6(OH)18(H2O)6Nano particles by DFT calculations. Proceedings of the Peradeniya University Research Sessions, Sri Lanka, Vol 16, 24th November 2011.
Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Temporal variation of landfill leachate quality at Gohagoda dump site. International Forestry and Environment Symposium. Sri Jayewardenepura University, Oct, 2011
Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Basnayake, B.F.A, Vithanage, M. Toxic metals in soils contaminated by landfill leachate in Gohagoda dump site, Kandy, Sri Lanka. Symposium on Disasters: Reduction, Mitigation and Management. Proceedings of the 27thAnnual sessions of the Geological Society of Sri Lanka. 25-26 February, 2011
Jayarathna, I.P.L., Rajapaksha, A.U., Vithanage, M. Defluoridation behavior of laterite under different pH, contact time, fluoride loading and co-existing ions. Symposium on Disasters: Reduction, Mitigation and Management. Proceedings of the 27th Annual sessions of the Geological Society of Sri Lanka. 25-26 February, 2011
Kumara, H.A.J., Wijesekara, S.S.R.M.D.H.R, Rajapaksha, A.U., Jayarathna, I.P.L, Hewawasam, A.L.T., Vithanage, M. Fractionation and availability of heavy metals in Ratnapura gem bearing alluvium. Proceedings of the 27th Annual sessions of the Geological Society of Sri Lanka. 25-26 February, 2011