Name: Dr YNS Wijewardana

Office Address: Uba Wellassa University

Email: senanipdn@gmail.com

Educational Qualifications : BSc, MPhil, PhD

Research IntersestResearch Interests : Environmental Science

Publications (Selected): 

1. Wijewardana, Y.N.S. and Galagedara, L.W. (2010). Estimation of spatio-temporal variability of soil water content in agricultural fields with ground penetrating radar. Journal of Hydrology, Vol. 391, pp 24-33.

2. Y.N.S. Wijewardana, A.T. Shilpai, M.I.M. Mowjood, K. Kawamoto, and L.W. Galagedara (2017). Ground penetrating radar (GPR) responses for sub-surface salt contamination and solid waste: modeling and controlled lysimeter studies, Environmental Monitoring and Assessment, 189:57, https://doi.org/10.1007/s10661-017-5770-4

3. Wijewardana, Y.N.S, Kawamoto, K, Moldrup, P, Komatsu, T, Kurukulasuriya, L.C, Priyankara, N.H. (2015). Characterization of water repellency for Hydrophobized grains with Different Geometries and Sizes. Environmental Earth Sciences. doi:10.1007/s12665-015-4565-6.

4. Nadeeka Senani Wijewardana, Karin Müller, Per Moldrup, Brent Clothier, Toshiko Komatsu, Syuntaro Hiradate, Lis Wollesen de Jonge, Ken Kawamoto (2016). Soil-water repellency characteristic curves for soil profiles with organic carbon gradients, Geoderma,Vol (Part A): pp 150-159, doi: 10.1016/j.geoderma.2015.10.020.

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Others

1. Wijewardana,Y.N.S., Galagedara, L.W., Mimrose, C.S. and Senanayake,S. (2009). Estimating variability of soil water content in raised bed agricultural fields with Ground Penetrating Radar. Symposium proceeding of the water Professionals’ Day, 1st October, 2009.

2. Mimrose, D.M.C.S., Wijewardana,Y.N.S. and Galagedara, L.W. (2009). Mapping of wetting front variability using Ground Penetrating Radar under uniform wetting conditions. 6th National Symposium on Geo-Informatics, 31 July 2009, HARTI, Colombo.

3. Wijewardana, S and Galagedara, L. (2011). Comparison of Two GPR Frequencies in Estimating Volumetric Soil Water Content in Agricultural Fields. Proceedings of International Conference on Agricultural Engineering, "Novelty, Clean and Sustainable", 31st March – 1st April, Pattaya, Thailand, (Oral. at Pattaya, Thailanad).

4. Mimrose, D.M.C.S., Galagedara, L.W., Parkin, G.W., Wijewardana, Y.G.N.S. (2011). Investigating the effect of electrical conductivity in irrigation water on reflected wave energy on GPR - Tropical Agriculturist, V159, Pp 29-46.

5. N. S. Wijewardana, L. W. Galagedara and M. I. M. Mowjood. (2012). Assessment of groundwater contamination by landfill leachate with ground penetrating radar. 14th International Conference on Ground Penetrating Radar (GPR), Shanghai, 2012, pp. 728-732. doi: 10.1109/ICGPR.2012.6254957.

6. Wijewardana, N.S., Galagedara, L.W. and Mowjood, M.I.M. (2012). GprMax2D Modeling to identify contaminated Areas in Groundwater with Landfill Leachate. Annual Research Journal of SLSAJ, Vol 12, pp 16-22.

7. Wijewardana, N.S., Galagedara, L.W. and Mowjood, M.I.M. (2012). Lysimeter study to identify GPR response under different salt levels in subsurface water. Proceedings of the special session on water and waste water management, International Conference on Sustainable Built Environment (ICSBE, 2012), At Kandy, Sri Lanka, Volume: 1.

8. Y.N.S. Wijewardana, A.T. Shilpai, M.I.M. Mowjood, K. Kawamoto, and L.W. Galagedara (2016). Ground penetrating radar (GPR) responses for sub-surface salt contamination and solid waste: modeling and controlled lysimeter studies, Environmental Monitoring and Assessment, 189:57, https://doi.org/10.1007/s10661-017-5770-4

9. Wijewardana, Y.N.S., K. Kawamoto, S. Subedi, P. Moldrup, S. Hamamoto, and T. Komatsu. (2013). Effect of water film thickness on the degree of water repellency for hydrophobized sand grains. Proceedings of the International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS 2013), 176-182, ISSN 2279-1329 (Oral. 27 September, 2013. Galle, Sri Lanka)

10. Wijewardana Y. N. S, Kawamoto K, Komatsu T, Hamamoto S, Subedi S, Moldrup P. (2014). Characterization of time-dependent contact angles for oleic acid mixed sands with different particle size fractions. Unsaturated soils: Research and Applications (UNSAT 2014), N. Khalili, A, Russell and A. Khoshghalb (eds), 255-260, ISBN 978-1-1-138-00150-3 (Oral. at Sydney, Australia)

11. Wijewardana, Y. N. S, K. Kawamoto, L. C. Kurukulasuriya, N. H. Priyankara, A. M. N. Alagiyawanna, M. I. M. Mowjood, M. Vithanage and G. B. Herath. (2014). Selection of Suitable Grain Materials for Development of Hydrophobized Capillary Barrier Cover Systems. Proceedings of the Special Session on Urban Water Environment: Monitoring & Management Solid Waste Management, Vol 5: 109-115. 5th International Conference on Sustainable Built Environment 2014 Kandy, Sri Lanka, 12, 13 & 14th December 2014 ISBN: 978 – 955 – 589 – 187 – 5 (Oral. at Kandy, Sri Lanka)

12. WIJEWARDANA, Senani, KAWAMOTO, Ken, MULLER, Karin, CLOTHIER, Brent, HIRADATE, Syuntaro, KOMATSU, Toshiko, MOLDRUP, Per. (2014). Characterization of water repellency parameters in soil water repellency characteristic curves for JP and NZ soils. Japan Geoscience Union Meeting 2014. 28 April-2 May at Pacific Yokohama, Kanagawa, Japan (Poster presentation).

13. Syuntaro Hiradate, Ken Kawamoto, Nadeeka Senani Wijewardana, Karin Müller, Per Møldrup, Brent Clothier, Toshiko Komatsu. (2014). Orientation of functional groups of soil organic matter on the surface of water repellent soils determined by pulse saturation magic angle spinning (PSTMAS) nuclear magnetic resonance (NMR) spectroscopy. Geophysical Research abstracts, Vol. 16 EGU2014-13697, 2014, EGU General Assembly 2014.

14. K. Müller, K. Kawamoto, R. Simpson, K. Mason, C. van den Dijssel, Y.N.S. Wijewardana, S. Hiradate, T. Komatsu, B.E. Clothier, Soil water repellency impacts runoff and phosphorous losses. (2014). NZ Society of Soil Science Conference "Soil Science for Future Generations" 1 - 4 December 2014 - The University of Waikato, Hamilton.

15. H. Kuroki, Y. N. S. Wijewardana, K. Kawamoto, K. Müller, S. Hiradate, H. Maki, T. Komatsu, and B. Clothier. (2014). Mass transport parameters in gaseous and aqueous phases for water repellency affected agricultural soil. NZ Society of Soil Science Conference "Soil Science for Future Generations“ 1 - 4 December 2014 - The University of Waikato, Hamilton.