Research

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Presentation at National or International conferences

1. Mikunthan, T. and Goonasekara, K.G.A. (1999). A study on the incidence of drought at Pelwatte sugar cane plantation, Proceedings of the 7^th Annual sessions of the Jaffna Science Association, held on April 7^th – 9^th 1999, p.21
2. Mikunthan, T and Goonasekara, K.G.A.(1999).Rainfall probability analysis for Pelwatte sugar cane plantation, Proceedings of the 7^th Annual sessions of the Jaffna Science Association, held on April 7^th – 9^th 1999, p.22
3. Mikunthan, T (2000). Water balance analysis to Pelwatte sugar cane plantation, Proceedings of the 8^th Annual sessions of the Jaffna Science Association, held on April 5^th – 7^th 2000, 8(1): 28
4. Mikunthan, T and Basanayake, B.F.A. (2000). Carbon as an oxygen fertilizer for low land paddy cultivation, Proceedings of the 8^th Annual sessions of the Jaffna Science Association, held on April 5^th – 7^th 2000, 8(1): 30.
5. Mikunthan, T. (2001). Prediction of percentage of yield reduction due to water stress in sugar cane using yield response factor. Proceedings of the 9^th Annual sessions of the Jaffna Science Association, held on April 4^th – 6^th 2001, 9 (1): 4
6. Mikunthan, T and Rajendram, K. (2001).Confidence limits of expected monthly and weekly rainfall of Jaffna, Proceedings of the 9^th Annual sessions of the Jaffna Science Association, held on April 4^th – 6^th 2001, 9 (1): 26
7. Mikunthan, T., Nanthini, T. and Vijiyaratnam, R. (2001).Prediction of choloride content using electrical conductivity of groundwater for selected water supply wells in Jaffna peninsula, Sri Lanka. Proceedings of the 57^th Annual Session of SLAAS, Part I – Abstracts. 26 November – 01 December, 2001. Colombo. Pp.38.
8. Mikunthan, T., Kalki, P. and Vijiyaratnam, R. (2001).Uniformity of different low cost emitters in trickle irrigation, Sri Lanka Association for the Advancement of Science (SLAAS). Proceedings of the 57^th Annual Session, Part I – Abstracts. 26 November – 01 December, 2001. Colombo. Pp.152.
9. Sivakumar, K., Mikunthan, T and Vijiyaratnam, R. (2002). Spatial distribution of groundwater salinity in the Northern Lagoon. Proceedings of the 10^th Annual session
10. Mikunthan, T. (2003). Derivation of Synthetic unit hydrograph for Vadamarachi lagoon in Jaffna Peninsula. Sri Lanka Association for the Advancement of Science (SLAAS). Proceedings of the 59^th Annual Session, Part I – Abstracts. 9 – 13 December, 2003. Colombo. Pp.46.
11. Nanthagoban, N. and T. Mikunthan (2008). Fluctuation of hydraulic head and temporal variation of important chemical parameters of the groundwater in Jaffna limestone aquifer. Proceedings of 2^nd International symposium, University of Sabaragamuwa University of Sri Lanka. 2008. pp 83.
12. Mikunthan, T., Saravanan, S. and Sutharsiny, A (2008). Quality of freak well at Nilavarai, Jaffna Peninsula. Proceedings of 2^nd International symposium, University of Sabaragamuwa University of Sri Lanka. 2008. pp 75.
13. Thushyanthy, M., Gunalan, K., H.B. Asanthi., T.P.D. Gamage., and S.Saravanan. (2013). Hazard Quotient, Odd Ratio and Relative Risk: As the methods for assessment of health risks. Proceedings of Third International Symposium of South Eastern University of Sri Lanla. Pp. 100 – 104.
14. Thushyanthy, M. (2013). Proposed spatially distributed rain gauges to improve database in Jaffna district. Proceedings of the International Symposium on Agriculture and Environment 2013, Faculty of Agriculture, University of Ruguna. Pp. 99 – 102.
15. Mikunthan, T. (2018). Impact of climate change in water security: A case study. Congress proceedings of Global cleanup Congress India 2018 held on 22 – 24 October 2018. Pp.143

Refereed Journals

1. Nanthini, T., Mikunthan, T. and Vijiyaratnam, R. (2001). Some physico chemical characteristics of groundwater in some selected water supply wells in Jaffna peninsula. Journal of the National Science Foundation of Sri Lanka. 2001. 29 (1&2):81-95.
2. Mikunthan, T. (2007). Modeling of rainfall: A measurable tool in sustainable agriculture, Journal of Environmental Monitoring and Restoration 3: 83-90.
3. Mikunthan, T. (2007). Conservation of groundwater to its sustainable use in Jaffna Peninsula of Sri Lanka .Journal of Environmental Monitoring and Restoration 3: 152-165.
4. Nanthagoban, N. and T. Mikunthan (2008). Quality of groundwater under different land uses: A case study in Jaffna Peninsula, Sri Lanka. International Journal of Pure and applied science. 1(1):126-132.
5. Mikunthan, T. and C. Shanthi De Silva. (2008). Vulnerability assessment for shallow aquifers using chemical quality of groundwater: A case study from Thirunelvely and Kondavil in Jaffna district. Journal of Tropical Agricultural Research.Vol.20:303-312.
6. Thushyanthy Mikunthan and T. Srivaratharasan. (2008). Yield performance of red onion (Allium ascalonium. L) under different irrigation management in Jaffna Peninsula. Journal of Science, Eastern University of Sri Lanka (2008) 5 (1): 65 -74.
7. Mikunthan, T. and C. Shanthi De Silva. (2009).Estimation of groundwater recharge in limestone aquifer using an improved soil moisture balance method: A case study in Jaffna district. Journal of Tropical Agricultural Research.Vol.21 (1):51-61.
8. Jayaruba, T. and M. Thushyanthy. (2009). The effect of Agriculture on quality of groundwater: A case study. Middle – East Journal of Scientific Research 4(2): 110 -114.
9. Nishanthiny, C.S., Thushyanthy, M., Barathithasan, S., and S. Saravanan. (2010) Irrigation Water Quality Based on Hydro Chemical Analysis, Jaffna, Sri Lanka. American-Eurasian Journal of Agriculture. & Environmental. Science, 7(1): 100-102.
10. Jayapiratha, V., Thushyanthy, M. and S. Sivakumar (2010). Performance evaluation of Okra under drip irrigation system. Asian Journal of Agricultural Research. 2010: 1-9.
11. Mikunthan, T. and C. Shanthi De Silva. (2010). Sensitivity of crop and soil parameters in estimation of groundwater recharge using an improved soil moisture balance method. Journal of Dry Zone Agriculture. 1(1):44-58.
12. Mikunthan, T. and C. Shanthi De Silva. (2010).Estimation of Aquifer parameters of limestone aquifers – A case study in Thirunelvely and Kondavil of the Jaffna district. Open University of Sri Lanka Journal. Volume 6: 75- 90.
13. Mikunthan, T. and C. Shanthi De Silva. (2011).Assessment of Groundwater Resources in Jaffna Limestone Aquifer. Journal of Tropical Agricultural Research. Short communication 23 (2): 177 – 185.
14. Sutharsiny, A., Pathmarajah, S., Thushyanthy, M. and V. Meththika. (2012). Characterization of irrigation water quality of Chunnakam aquifer in Jaffna Peninsula. Journal of Tropical Agricultural Research. 23 (3): 237 -248.
15. Joshua, W.D., Thushyanthy, M and N. Nanthagoban. (2013). Seasonal variation of water table and groundwater quality of the karst aquifer of the Jaffna Peninsula-Sri Lanka. Journal of the National Science Foundation of Sri Lanka. 2013. 41 (1): 3-12.
16. Bama, P., M Thushyanthy, P Alvappillai, M Pirabhaharan (2013). Evaluation of lab scale constructed wetlands to treat the toddy distillery effluent with different aquatic plants. Archives of Applied Science Research, 2013, 5 (5):213-219.
17. Sumithra, R., Thushyanthy, M. and T. Srivaratharajan. (2013). Assessment of soil loss and nutrient depletion due to cassava harvesting: A case study from low input traditional agriculture, International Soil and Water Conservation Research. 1(2): 72 – 79.
18. Gunalan, K., H.B. Asanthi., T.P.D. Gamage., M. Thushyanthy. and S. Saravanan. (2014). Geochemical variations of groundwater quality in costal and karstic aquifers in Jaffna Peninsula, Sri Lanka. In: Management of water, Energy and Bio-resources in the Era of changing climate: Emerging issues and challenges. .N. Janardhana Raju, A.L. Ramanathan and M. Sudhahar (Eds). Capital publishing company Co published by Springer.
19. Meththika Vethanage, Thushyanthy Mikunthan, Selverajah Pathmarajah, and Sutharsiny Arasalingam. (2014). Assessment of Nitrate-N contamination by DRASTIC empirical model in the Chunnakam aquifer system, Jaffna Peninsula, Sri Lanka. Springer Plus. Vol. 3:271
20. Sutharsiny, A., H. Manthrithilaka., S. Pathmarajah., M. Thushyanthy and M. Vethanage. (2014). Seasonal variation of Nitrate-N in groundwater: A case study from Chunnakam aquifer, Jaffna Peninsula. Ceylon Journal of Science. Vol.18: 01 -08.
21. Harshan, S., Thushyanthy, M., Gunatilake, J., Srivaratharasan, T. and Gunaalan, K. (2016). Assessment of water quality index of groundwater quality in Chunnakam and Jaffna town, Sri Lanka. Vinjanam. Vol.12 & 13: 84 – 91.
22. Kularam,S., Thushyanthy, M. and Sivakumar,S.S.(2016). Importance of rehabilitation and reconstruction of irrigation infrastructure, before the introduction of Pedma cultivation under Iranaimadu irrigation scheme of Northern Sri Lanka. International Journal of Scientific and Engineering Research, 7(7):288 -293
23. Thushyanthy, Y., Thushyanthy, M. and Meththika, V. (2016). Acceleration of Lead Phytostabilization by Maize (Zea mays) in Association with Gliricidia sepium Biomass. International Journal of Environmental & Agriculture Research. 2 (5): 16 – 21.
24. Sayanthan, S.,Thushyanthy, M., Kannan, N., Prabhaharan, M. and N. Thaneswaran. (2017). Needs and Trends of Rain Water Harvesting in Sri Lanka. International Journal of Research Studies in Agricultural Sciences. Vol.3. pp. 42 – 53.
25. Jeevaratnam, V., S. Balakumar , T. Mikunthan and M. Prabaharan. (2018). Quality of groundwater in Valikamam area, Jaffna Peninsula, Sri Lanka. International Journal of Water Resources and Environmental Engineering. 10(2): 9-16.
26. Arasalingam, S., H. Manthrithilaka., S. Pathmarajah., T. Mikunthan and M. Vethanage (2018). Assessment of the chemical facies of groundwater using factor analysis in the Chunnagam aquifer, Jaffna Peninsula. Journal of Sri Lanka advancement of Science, 1(1): 1 – 12.
27. Pathmaja, S., Dharmagunawardhane, H.A., Senthilnanthanan, M., Mikunthan, T. and L.D. Rajasooriyar. (2019). Risk of Groundwater Pollution in Open Dug Wells in the Pungudutivu Island of The Jaffna Peninsula, Sri Lanka. Journal of Geological Society of Sri Lanka. 20(2): 31-36

Proceedings of Symposium / Conferences

1. Rajendrum, K. and Balachandiran, S. and T. Mikunthan (2000). “Importance of Meteorological Measurements in Northern Region of Sri Lanka”. (Mikiko Terashima) In: Workshop proceedings: Planning for reconstruction and redevelopment in Northern planning jointly organized by the University of British Colombia, Canada and the University of Jaffna on 12 – 14 February 2000. Pp: 93-114.
2. Mikunthan, T. (2005). Status of Groundwater quality in Jaffna Peninsula: Special reference to nitrate and chloride. The water resources research in Sri Lanka (Galagedara, L.W.) In: Symposium proceedings of the water professionals’ Day - 2005, held on 01. October.2005 Pp.153 -162.
3. Mikunthan, T. and C. Shanthi De Silva. (2007). Preliminary study on nitrate contamination in shallow aquifers: A case study in Thirunelvely and Kondavil in Jaffna district. The water resources research in Sri Lanka (resources research in Sri Lanka (Dayawansa, N.D.K and Ranjith Premalal De Silva) In: Symposium proceedings of the water professionals’ Day - 2007, Pp. 24 - 32.
4. Mikunthan, T. and C. Shanthi De Silva. (2008).Nitrate pollution in groundwater: A case study in Thirunelvely and Kondavil in Jaffna district. The water resources research in Sri Lanka (Dayawansa, N.D.K and Ranjith Premalal De Silva) In: Symposium proceedings of the water professionals’ Day - 2008, Pp. 27 - 37.
5. Jeyaruba, T and Mikunthan, T. (2008). Effect of land use on the quality of groundwater: A case study from Jaffna Peninsula. Pathmaraja. S. and M.I.M. Mowjood. (Eds). In. Proceeding of Symposium on water supply, sanitation and wastewater management: Progress and prospects towards clean and healthy society, Postgraduate Institute of Agriculture, University of Peradeniya.Pp.1-16.
6. Sutharsiny, A., Thushyanthy, M. and Saravanan, S. (2008). Status of water supply wells in Jaffna Peninsula. Pathmaraja, S. and M.I.M. Mowjood. (Eds). In: Proceeding of Symposium on water supply, sanitation and wastewater management: Progress and prospects towards clean and healthy society, Postgraduate Institute of Agriculture, University of Peradeniya. Pp.17-24.
7. Nishanthiny, C.S., Thushyanthy, M., Barathithasan, S. and S. Saravanan. (2009). Influence of hydrogeochemical aspects on the quality of water supply wells in Jaffna Peninsula. Dayawansa, N.D.K., Pathmaraja, S. and M.I.M. Mowjood. (Ed). In: Symposium proceedings of the water professionals’ Day - 2009, Pp. 1-9.
8. Nishanthiny, C.S., Barathithasan, S., Thushyanthy, M and S. Saravanan. (2010). Geochemical analysis of groundwater and its quality assessment: A case study in Jaffna Peninsula, Sri Lanka. C. Sarala (Ed). In: Proceedings of 3^rd International Conference on Hydrology and watershed management - 2010, Pp. 64 - 71.
9. Mikunthan, T. and C. Shanthi De Silva. (2010). Sources and extent of groundwater pollution in shallow aquifer: A case study from Jaffna district Sri Lanka. C. Sarala (Ed). In: Proceedings of 3^rd International Conference on Hydrology and watershed management - 2010, Pp. 41 – 48.
10. Christry Nilani, L., Thushyanthy, M and Sivakumar, S. (2010). Micro irrigation technology: A remedy for groundwater management in Jaffna Peninsula. Jayasinghe, M.T.R., Mendis, P.A. and R. Dissanayake (Eds). In: Proceedings of the international conference on sustainable built environment, kandy, Sri Lanka. Pp.83 – 88
11. Jeyaruba, T and Mikunthan, T. (2010). Health hazards: Nitrate-N in groundwater and soil in intensified agricultural areas. Jayasinghe, M.T.R., Mendis, P.A. and R. Dissanayake (Eds). In: Proceedings of the international conference on sustainable built environment, kandy, Sri Lanka. Pp.70 – 76
12. Thushyanthy, M. (2010). Combining the improved soil moisture balance and water level fluctuation methods to estimate recharge: A case study from limestone aquifer. The 7^th international conference of managed aquifer recharge. Abu Dhabi October 9 -13, 2010. www.ismsr7.org/proceedings/index.php
13. Thushyanthy, M. (2010). Vulnerability assessment of water resources: A tool for sustainable groundwater management. Proceedings of the 18^th Annual sessions of the Jaffna Science Association, held on April 21^th – 23^th 2010.
14. Gunalan, K., H.B. Asanthi., T.P.D. Gamage., M. Thushyanthy., S.saravanan and N. Jayakumaran. (2011). Incidence of Oesophageal and stomach cancer related to Nitrate-N concentration in groundwater in Jaffna Peninsula. Dayawansa, N.D.K., and R.P.De Silva. (Ed). In: Symposium proceedings of the water professionals’ Day - 2011, Pp. 91-103.
15. Sellaththurai, T., Thushyanthy, M. and T. Srivaratharasan. HYDRUS -1D simulation of nitrate-N leaching in calcic red yellow latosol: A lysimeter study with chilli. Dayawansa, N.D.K., S. Pathmarajah and R.P.De Silva. (Ed). In: Symposium proceedings of the water professionals’ Day - 2012, Pp.121 – 130.
16. Gunalan, K., Thushyanthy, M. and S.Saravanan. (2012). Potential of water supply for irrigation and drinking from Nilawarai in Jaffna Peninsula. Dayawansa, N.D.K., S. Pathmarajah and R.P.De Silva. (Ed). In: Symposium proceedings of the water professionals’ Day - 2012, Pp. 155-162.
17. Nishani, S., Thushyanthy, M. and S. Saravanan. (2012). Local technologies for removal of hardness in groundwater. Proceedings of first young water professionals Symposium organized by Sri Lanka water partnership in association with IWMI Pp: 97 – 103.
18. Sutharsiny, A., Pathmarajah, S., Thushyanthy, M. Meththika, V and H. Manthrithilake. (2012) Impact of agricultural activities on groundwater quality and its suitability for drinking in Valikamam area, Jaffna Peninsula. Proceedings of first young water professionals Symposium organized by Sri Lanka water partnership in association with IWMI. Pp. 74 – 81.
19. Saravanan. S., Thushyanthy, M., Duleep Ginawartana, and K. Gunalan. (2013). Spatial Distribution of groundwater salinity at costal region in Jaffna Peninsula: A case study at Karainagar. Conference proceedings of Water Convention 2013. Pp. 99 - 103
20. Thushyanthy, M., Gunalan, K., H.B. Asanthi., T.P.D. Gamage., and S.Saravanan. (2013). Hazard Quotient, Odd Ratio and Relative Risk: As the methods for assessment of health risks. Proceedings of Third International Symposium of South Eastern University of Sri Lanla. Pp. 100 – 104
21. Christry Nilani, L., Thushyanthy, M and Sivakumar, S. (2010). The yield performance of cabbage (Brassica oleracea) under sprinkler irrigation. Proceedings of the Annual Research Conference of University of Jaffna. Pp. Pp.1042 - 1047.
22. Swarna, S., Thushyanthy, M. and T. Karunainathan. (2013). Level of adoption of Drip irrigation in Jaffna district. Dayawansa, N.D.K., S. Pathmarajah and R.P.De Silva. (Ed). In: Symposium proceedings of the water professionals’ Day - 2013, Pp. 105-112.
23. Gobika, S., Thushyanthy, M. Alvapillai, P. Prabaharan, M. and N. Kannan (2013). Evaluation of the different filter medias for the treatment of the paddy soaked wastewater.4^th international conference on structural engineering and construction management 2013, Kandy, Sri Lanka. Pp. 152
24. Abiramy, T., Thushyanthy, M. and H.B. Asanthi (2013). Evaluation of the different filter medias for the treatment of the paddy soaked wastewater.4^th international conference on structural engineering and construction management 2013, Kandy, Sri Lanka. Pp. 68 – 76.
25. Bama, P., M Thushyanthy, P Alvappillai, M Pirabhaharan (2013). Performance of a constructed wetland to treat waste water from toddy distillery unit. 4^th international conference on structural engineering and construction management 2013, Kandy, Sri Lanka. Pp. 159 – 167.
26. Duleep Goonewardene, S. Saravanan, M. Thushyanthy, K. Niasnee and Gunalan, K. (2013). Removal of total hardness by electro – coagulation process. International Conference proceedings on Community and Water Services, Water cooperation for Community Development, pp: 72 -75.
27. Saravanan, S., B. Thavendrakumar, M. Thushyanthy and K. Gunalan. (2014). Efficient management in water supply: A study at Araly Water Supply Scheme, Jaffna Peninsula. Third International Conference on Community and water services. Pp:46 – 50.
28. Thushyanthy, Y., Mikunthan, T. and Meththika, V. (2016). Amelioration of heavy metal contaminated site for greener environment. Proceedings of Jaffna University International Research Conference (JUICE 2016), Sri Lanka. Pp. 21-26

29. Reminton, J., Thushyanthy, M. and Karunainathan, T. (2016). An advanced drip irrigation scheme using micro controller. 7^th International Conference on Sustainable Built Environment. Pp. 110-114

30. Pathmaja, S., Rajasooriyar, L.D., Dharmagunawardhane, H.A., Senthilnanthanan, M. and Mikunthan, T. (2016). Assessment of spatial and temporal behavior of saline groundwater in a coastal aquifer: A case study from the Pungudutivu Isand, Sri Lanka. Symposium Proceedings of the Water Professionals Day. Pp: 119 -130

31. Jancika, G., Mikunthan, T. and Saravanan, S. (2016). Efficiency of micro filtration and oxidation on removal of iron and manganese in groundwater and surface water. Symposium Proceedings of the Water professionals’ Day. Pp. 97-106

32. Anoja, N. Thushyanthy, M. and Bandune, C.L. Athapattu Sampath. (2017). Assessment of quality of drinking water sources in Vavuniya MOH Division. Symposium Proceedings of the Water Professionals ‘Day- 2017. pp. 43-52

33. Sambath, D.S., Buddhimal, M.D.T., Sivakumar, S.S. and Mikunthan, T. and Pirabhaharan, M. (2018). Development of reservoir simulation model for effective irrigation water management of Magalla reservoir at Nikaweratiya, Sri Lanka. In annual sessions of IESL, The Institution of Engineers, Sri Lanka, 18^th and 19^th of October 2018. Pp: 311-317.

National/ International conferences published as Abstract

1. Kalki, P. , Mikunthan, T and Vijiyaratnam, R. (2001).Evaluation of suitable low cost materials for drip emitters, Proceedings of the 9^th Annual sessions of the Jaffna Science Association, held on April 4^th – 6^th 2001, 9 (1): 3.

2. Srirangan, C., Mikunthan, T and Vijiyaratnam, R. (2003). Evaluation of existing models in evapotranspiration. Proceedings of the 11^th Annual sessions of the Jaffna Science Association, held on April 3^th – 5^th 2003, 11 (1): 24

3. Kalki, P., Mikunthan, T and Vijiyaratnam, R. (2002). Low cost emitters and their performances due to pressure difference. Proceedings of the 10^th Annual sessions of the Jaffna Science Association, held on April 3^th – 5^th 2002, 10 (1): 32

4. Srirangan, C., Mikunthan, T and Vijiyaratnam, R. (2004). Estimation of chilli crop coefficient for effective irrigation scheduling. Proceedings of the 12^th Annual sessions of the Jaffna Science Association, held on April 21^st – 23^rd 2004, 12 (1): 04.

5. Punitharajah, S. Mikunthan, T and Vijiyaratnam, R. (2004).Selection of suitable pressure head for sprinkler irrigation by uniformity coefficient. Proceedings of the 12^th Annual sessions of the Jaffna Science Association, held on April 21st – 23^rd 2004, 12 (1): 05

6. Punithajah, M and Mikunthan, T. (2006). Effect of pressure, trajectory angle and riser height on uniformity co-efficient of sprinkler irrigation. Proceedings of the 14^th Annual sessions of the Jaffna Science Association, held on April 26th – 26^th 2006, 14 (1): 50

7. Sutharsiny, A., Mihunthan, T. and S. Saravanan. (2008) Assessment of safe drinking water: A case study from Jaffna Municipal Council. Vavuniya Campus Annual Research Session-2008. Vavuniya Campus of the University of Jaffna, Sri Lanka. pp 4.

8. Arthie, K. and M. Thushyanthy (2008). Management of groundwater: A case study from Jaffna limestone aquifer. Vavuniya Campus Annual Research Session-2008. Vavuniya Campus of the University of Jaffna, Sri Lanka. pp 11.

9. Sutharsiny, A, Mikunthan, T. and S. Saravanan (2008). A case study: Development of salinity in selected water supply schemes in Jaffna Peninsula. Proceedings of 2^nd International symposium, University of Sabaragamuwa University of Sri Lanka. 2008. pp 80.

10. Jeyaruba, K. and M. Thushyanthy (2008). Effect of rainfall on chemical quality parameters of groundwater. Vavuniya Campus Annual Research Session-2008. Vavuniya Campus of the University of Jaffna, Sri Lanka. pp 11

11. Sutharsiny, A., Saravanan, S. and M. Thushyanthy (2009). Microbial contamination in shallow wells in limestone aquifer of Jaffna Peninsula. Proceedings of the 16^th Annual sessions of the Jaffna Science Association, held on June 10^th – 12^th 2009, 16 (1): 23.

12. Jayapiratha, V., Thushyanthy, M. and V. Elangkumar (2009). Evaluation of irrigation parameters for drip system. Proceedings of the 16^th Annual sessions of the Jaffna Science Association, held on June 10^th – 12^th 2009, 16 (1): 30.

13. Nishanthiny, C.S., Barathithasan, S., Thushyanthy, M. and S. Saravanan. (2009). Preliminary study on geochemical classification of groundwater: A case study from water supply wells. Proceedings of the 16^th Annual sessions of the Jaffna Science Association, held on June 10^th – 12^th 2009, 16 (1): 37.

14. Kannan, N., Pirapakaran, M., Sureskumar, R and M. Thushyanthy (2009). Use of Municipal Solid Waste for Organic Agriculture in Jaffna Peninsula. Proceedings of the Second National Symposium 2009. Faculty of Agriculture, University of Ruhuna. Pp.-52.

15. Alvappillai,P., Prabahaharan, M., and M. Thushyanthy. (2012). Impact assessment on house reconstruction of two funding systems. Proceedings of the abstracts of the Jaffna university International research conference. Pp.21

16. Anitha, T., Thushyanthy, M., Prabahaharan, M. and P. Alvappillai. (2012). Evaluation of leachate quality of anaerobic compost digester treated distillery spent wash. Proceedings of the International symposium on Agriculture and Environment. Faculty of Agriculture, University of Ruhuna. Pp. 60 – 62.

17. Anitha, T., Balakumar, S., Thushyanthy, M., and M. Prabahaharan,(2012). Investigation of the affects of spent wash under aerobic and anaerobic conditions: For suitable disposal strategy. The second international symposium of South Eastern University. Pp. 69 -71.

18. Anitha, T., Balakumar, S., Thushyanthy, M., Prabahaharan, M. and P. Alvappillai. (2012). Assessing and comparing the quality of enriched compost with distillery spent wash. The second international symposium of South Eastern University. Pp. 136 – 139.

19. Pireetha, L., Thushyanthy, M., Alvappillai, P. and Prabahaharan, M . (2012). Design of an efficienct low cost filter using locally available materials for the use of organic extract in drip irrigation. Proceedings of the abstract of Jaffna Science Association.15(1):25

20. Sellaththurai, T., Thushyanthy, M. and T. Srivaratharajan. (2012). Lysimeter experiment for the analysis of nitrate-N leaching in root crops: carrot as a test crop. The second international symposium of South Eastern University. Pp. 203 – 205.

21. Sellaththurai, T., Thushyanthy, M. and T. Srivaratharajan. (2012). Nitrate- N leaching in calcic red – yellow latosol: lysimeter experiment and HYDRUS – 1D simulation. Proceedings of the International symposium on Agriculture and Environment. Faculty of Agriculture, University of Ruhuna. Pp. 126 – 129.

22. Sumithra, R., Thushyanthy, M. and T. Srivaratharajan. (2012). Effect of harvesting time after irrigation on soil loss due to cassava tubers. Proceedings of the International symposium on Agriculture and Environment. Faculty of Agriculture, University of Ruhuna. Pp. 303 – 305.

23. Gunalan, K., H.B. Asanthi., T.P.D. Gamage., M. Thushyanthy. and S.Saravanan (2013). Geochemical variations of groundwater quality in costal and karstic aquifers in Jaffna Peninsulla, Sri Lanka. International Humboldt Kolleg, Management of water, Energy and Bio-resources in changing climate regime: Emerging issues and environmental challenges. Jawaharlal Nehru University, New Delhi, India. Pp.16.

24. Bama, P., M. Thushyanthy, P Alvappillai, and M Pirabhaharan (2013). Effects of hydrology on constructed wetland vegetation in tropic region. . Proceedings of the International Symposium on Agriculture and Environment 2013, Faculty of Agriculture, University of Ruguna. Pp.376-379.

25. Sutharshiny, M., Anoya, N. and M. Thushyanthy. (2013). Iron and Manganese removal efficiency of Bio Sand filter from groundwater at Thottaveli source, Mannar. Proceedings of the International Symposium on Agriculture and Environment 2013, Faculty of Agriculture, University of Ruguna. Pp. 99 – 102.

26. Thushyanthy, Y., I. Herath, T. Mikunthan and V. Meththika. (2014). Charcoal waste from Dendro power plant as a bioamendment to reduce heavy metals translocation into crop plants. Third International Conference, Eastern University, Sri Lanka. Pp. 5

27. Kularam, S., S. Sivakumar and M. Thushyanthy. (2014). Suitability assessment for selection of D4 canal for the Pedma cultivation under Iranaimadu tank. Third International Conference, Eastern University, Sri Lanka. Pp. 7

28. Saravanan, S., Thushyanthy, M. and K. Gunaalan. (2015). An Overview of a Water Quality Monitoring in Water Supply Scheme: A Case Study on Iron Present in Groundwater Wells in Vallipuram, Jaffna. Workshop on "Importance of Groundwater Monitoring in Sri Lanka " : 3rd National Water Resources Management Workshop on 17th July 2015 at BMICH, Colombo-07.

29. Jean Jancika, M., Saravanan, S. and T. Mikunthan (2015). Study on the removal of iron and manganese in groundwater and surface water by oxidation and micro filtration. Proceedings of International Conference on Dry Zone Agriculture (ICDA 2015) Faculty of Agriculture, University of Jaffna. Pp. 40

30. Thushyanthy, Y., Mikunthan, T. and V. Meththika. (2015). Biochar as a bioamendment to reduce heavy metals translocation into Maize. International Conference on Dry Zone Agriculture. Pp. 45

31. Thushyanthy, Y., Herath, I., Mikunthan, T. and V. Meththika. (2015). Dendro power plant waste byproduct as a bioamendment to reduce heavy metals translocation into Maize. 2^nd International Conference on Agriculture and Forestry. Pp. 56

32. Vimaladhas, V., Kannan, N., Prabhaharan, M. and Thushyanthy, M. (2016). Design and fabrication of sand filter to treat greywater to use in cottage level. Proceedings of International Conference on Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna, Sri Lanka held on 15th and 16th of December 2016, pp. 34.

33. Vasanthiny, J., Prabhaharan, M., Balakumar, S. and Thushyanthy, M. (2016). Isolation and identification of oil degrading bacteria. Proceedings of International Conference on Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna, Sri Lanka held on 15th and 16th of December 2016, pp. 35.

34. Haranrajah, J., Thushyanthy, M. and Srivaratharasan, T. (2016). Trend analysis of annual and seasonal rainfall data of Kilinochi District. Proceedings of International Conference on Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna, Sri Lanka held on 15th and 16th of December 2016 pp. 36

35. Buddhimal, M.D.T., Sampath, D.S., Sivakumar, S., Mikunthan, T. and M. Prabhaharan. (2017). Assessment of rainfall stations for its suitability to represent Magalla reservoir catchment, Nikaweratiya, Sri Lanka. Proceedings of 3^rd International Conference on Dry zone Agriculture -2017 (ICDA 2017), University of Jaffna, Sri Lanka, 1^st – 2^nd November 2017. pp. 60

36. Narthaky, B., Mikunthan, T., Jegathambigai, V. and A. Swinningen. (2017). Effect of dissolved oxygen concentration on Echinodorus beleheri growth in hydroponics. Proceedings of 3^rd International Conference on Dry zone Agriculture -2017 (ICDA 2017), University of Jaffna, Sri Lanka, 1^st – 2^nd November 2017. pp. 92

37. Prasteen, P., Thushyanthy, Y., Mikunthan, T. and M. Prabhaharan. (2017). Preparation of biomaterials based plastics. Proceedings of 3^rd International Conference on Dry zone Agriculture -2017 (ICDA 2017), University of Jaffna, Sri Lanka, 1^st – 2^nd November 2017. pp. 93

38. Gajaluxy, T., Ketheesan, B. and T. Mikunthan. (2017). Utilization of Palmyrah kernel shell activated carbon for groundwater purification. Proceedings of 3^rd International Conference on Dry zone Agriculture -2017 (ICDA 2017), University of Jaffna, Sri Lanka, 1^st – 2^nd November 2017. pp. 105

39. Buddhimal, M. D. T., Sampath, D. S., Sivakumar, S. S., Mikunthan, T. and Prabhaharan, M. (2017). Precipitation data analysis – based on daily rainfall data at Magalla reservoir catchment at Nikaweratiya, Sri Lanka. In 2^nd International Symposium on Conservation and Management of Tropical lakes, Siem reap, Cambodia, 2017.

40. Anoja,N., Vijitha,V. and Mikunthan ,T. (2018). Investigation on Removal of Turbidity in the water Treatment plant at PerAru, Vavuniya, Sri Lanka . Proceedings of 4^th International Conference on Dry zone Agriculture -2018 (ICDA 2018), University of Jaffna, Sri Lanka, 1^st – 2^nd November 2018 .Vol.3 pp.135.

41. Kanishka, N., Ketheesan, B. and Thushyanthy. M. (2018). Performance Evaluation of Reverse Osmosis System for Optimum Treatment of Brackish Ground water. Proceedings of 4^th International Conference on Dry zone Agriculture -2018 (ICDA 2018), University of Jaffna, Sri Lanka, 1^st – 2^nd November 2018.Vol.3. pp.139.

42. Vithanage, M., Kularathna, N., Adasooriya, N., Mikunthan, T., Senevirathna, G., Walpita, J.K., and Rajapaksha, A.U., (2018). Artificial fertilizer intercalated biochar composite as a hybrid fertilizer for slow release of nutrients. Proceedings of 4^th Asia Pacific Biochar Conference, Foshan Guangdong, China, 3^rd to 8^th November 2018. Pp. 102.

43. Thushyanthy,Y., Mikunthan, T. and S. Sayanthan. (2018). Flushed dairy wastewater treatment using selected aquatic macrophytes. Congress proceedings of Global cleanup Congress India 2018 held on 22 – 24 October 2018. Pp.61

44. Jayasekara, J.M.A.U., Sellathurai, T., Prabhaharan, M. and Mikunthan, T. (2019). Analysis of drought condition in kilinochchi district by standard precipitation index. 5^th International conference on dry zone Agriculture held on 19^th and 20^th of December 2019, Faculty of Agriculture, University of Jaffna. pp.100.

45. Sellathurai, T., Sivakumar, S.S.,Karunainathan,K and Mikunthan, T. (2019). Trend in rainfall related extremes in Vadamaradchichi aquifer in Jaffna District. IWA water and development congress and exhibition at BMICH, Colombo, 2019.

46. Thabojanan, T., Thushyanthy. M., Saravanan, S., Senthilnanthanan, M., Eswaramohan, T., Gajapathy, K. and Surendran, S.N. (2019).Investigation of electrocoagulation reactor design parameters effect on removing hardness from drinking water using iron electrodes. IWA water and development congress and exhibition at BMICH, Colombo, 2019.

47. Rajagopalasingam,V., Sivakumar, S.S., Mikunthan, T. (2019). Climate Change Impacts and Farmers’ Traditional Knowledge on Climate Change in Meiyangolla Ella River Basin of Sri Lanka. IWA water and development congress and exhibition at BMICH, Colombo, 2019.