- Faculty of Engineering
- Department of Civil Engineering
- Lecturer (Un-Confirmed)
Contact information
Univerity of Moratuwa
Katubadda
Moratuwa
Sri Lanka
Teaching and Administrative Activities
Fluid Mechanics -Undergraduate -2026
Advanced Surface and Groundwater Hydrology -Postgraduate -2024
Integrated Water Resources Management -Postgraduate -2024
Water Resources Project Planning and Management -Postgraduate -2024
Water Conveyance, Irrigation and Drainage Systems -Postgraduate -2024
Integrated Water Resources Systems for Watershed Planning and Management -Postgraduate -2024
Disaster Risk Reduction and Resilience -Postgraduate -2025
Introduction to Conceptual Design -Undergraduate -2026
Department Meeting - Convener -Taking down meeting minutes, Handling document related to department activities (2024 To date)
DICB Meeting - Convener -Taking down meeting minutes, Handling documents related to DICB (2024 To date)
Member - Department Quality Assurance Committee - Member of the committee (2025 To date)
Member - Accreditation Committee - Member of the committee (2025 To date)
Semester I - Coordinator - Coordinating academic activities of semester I (2025 To date)
Research Activities
Water Resources Engineering
Hydrology
Socio-hydrology
Disaster Management
Education and Professional Affiliations
Bachelors, 福利在线看 of Moratuwa ,2018
Masters, 福利在线看 of Moratuwa ,2019
PhD, Nagoya 福利在线看 ,2023
Institution of Engineers, Sri Lanka(2018 To date)
Engineering Council, Sri Lanka (2020 To date)
Career
Lecturer - Department of Civil Engineering, 福利在线看 of Moratuwa
(2024 February to Present)
PhD Scholar - Department of Civil and Environmental Engineering, Nagoya 福利在线看
(2020 to 2023)
Civil Engineer - National Water Supply and Drainage Board
(2019 to 2020)
Research Assistant - Department of Civil Engineering, 福利在线看 of Moratuwa
(2018 to 2019)
Honours and Awards
Publications*
Siriwardana C. S. A, Fernando N., Perera G. M. C. A., Randil O. P. C., Jayasiri G. P., Haigh R., Amaratunga D.,".International Conference on Capacity Building for Research and Innovation in Disaster Resilience - Book of abstracts and proceedings.",福利在线看 of Huddersfield, UK, 福利在线看 of Colombo, Sri Lanka and 福利在线看 of Moratuwa, Sri Lanka,2019
N.K. Peiris, C. Perera, T.M.N. Wijayaratna, L. Rajapakse, A.L.K. Wijemannage,".Multi-Scale Evaluation of Satellite Precipitation Products in Tropical Terrain: A Case Study of the Kelani and Kalu River Basins, Sri Lanka.",International Conference on Energy and Water for Sustainable Environment,Puducherry, India,2025,
Tharuka Punchihewa, Chamal Perera,".Socio-Hydrological Insights into Water Scarcity-Driven Conflicts in Sri Lanka: Implications for Effective Water Resources Management.",The 2nd International Sociohydrology Conference,Tokyo, Japan,2025,
Nadee Peiris, Chamal Perera, Nimal Wijayaratna, Lalith Rajapakse,".MACHINE LEARNING-BASED DOWNSCALING OF SATELLITE PRECIPITATION FOR REGIONAL CLIMATE ADAPTATION IN TROPICAL BASINS.",Regional Climate Change Conference,Colombo, Sri Lanka,2025,70
Umal Manjitha, Chamal Perera,".Assessing the Performance of HEC-HMS Model vs. Machine Learning Algorithms in Predicting River Discharge.",2025 Moratuwa Engineering Research Conference (MERCon),福利在线看 of Moratuwa ,2025,824-829
Harith Jayasooriya, Chamal Perera,".Investigating Land Cover Effects on Tsunami Overland Flow Dynamics Using HEC-RAS Model.",2025 Moratuwa Engineering Research Conference (MERCon),福利在线看 of Moratuwa,2025,1-6
W.D. Lakmini, G.M.C.A. Perera, T.M.N. Wijayaratna,".ASSESSING CLIMATE CHANGE IMPACTS ON STREAMFLOW AND FLOOD RISKS: AN INTEGRATED MODELLING APPROACH FOR THE NILWALA RIVER BASIN, SRI LANKA.",International Conference on Sustainable Built Environment,Kandy, Sri Lanka,2025,
W.K.S.D. Wijesinghe, G.M.C.A. Perera,".MULTI SCENARIO FLOOD RISK MAPPING UNDER CLIMATE CHANGE USING HEC-RAS 2D AND GIS BASED MULTI-CRITERIA DECISION ANALYSIS (MCDA) FOR GIN RIVER BASIN, SRI LANKA.",International Conference on Sustainable Built Environment,Kandy,2025,
Chamal Perera, Shinichiro Nakamura,".An interdisciplinary study to evaluate the effectiveness of flood risk information based on a socio-hydrological model.",XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG),Berlin,2023,
Chamal Perera, Shinichiro Nakamura,".Evaluation of future changes in human-flood dynamics in the Lower Kelani River Basin, Sri Lanka.",Japanese Society of Hydrology and Water Resources/Japan Hydrological Society 2023 Research Presentation,Nagasaki,2023,
Chamal Perera, Shinichiro Nakamura,".A survey of the effectiveness of flood maps on flood memory and risk perception: a case study from Kelani River Basin, Sri Lanka.",EGU General Assembly Conference,Vienna,2023,
Chamal Perera, Shinichiro Nakamura,".Measuring the Community Capacity in Human-Flood Systems: A Case Study in Lower Kelani River Basin, Sri Lanka.",Frontiers in Hydrology 2022,San Juan, Puerto Rico,2022,
GP Jayasiri, OPC Randil, GMCA Perera, CSA Siriwardana, PBR Dissanayake, CS Bandara,".Important aspects of evacuation planning for the coastal communities in Sri Lanka.",ICSBE 2018: Proceedings of the 9th International Conference on Sustainable Built Environment,Kandy,2020,
HMSS Hippola, EMSD Jayasooriya, GP Jayasiri, Chameera Randil, Chamal Perera, KKK Sylva, AK Kulathunga, CS Bandara, CSA Siriwardena, PBR Dissanayake,".Gap assessment of warning and dissemination process of early warning system in coastal areas of Sri Lanka.",ICSBE 2018: Proceedings of the 9th International Conference on Sustainable Built Environment,Kandy,2020,
EMSD Jayasooriya, HMSS Hippola, CS Bandara, AK Kulathunga, KKK Sylva, PBR Dissanayake, GP Jayasiri, Chameera Randil, Chamal Perera, CSA Siriwardana,".Gaps in the evacuation of people with special needs during coastal disasters in Sri Lanka.",ICSBE 2018: Proceedings of the 9th International Conference on Sustainable Built Environment,Kandy,2020,
Chamal Perera, Champika Liyanage, Chandana Siriwardana, Gimhan Jayasiri, Chameera Randil, Dilanthi Amaratunga,".International collaboration for enhancing research and innovation in the context of disaster resilience.",ASCENT Festival 2019: International Conference on Capacity Building for Research and Innovation in Disaster Resilience,Colombo, Sri Lanka,2019,
Chameera Randil, Gimhan Jayasiri, Chamal Perera, Chandana Siriwardana, Champika Liyanage, SSL Hettiarachchi, Richard Haigh,".Need for strong university-industry partnerships: A case study in Sri Lanka.",MATEC Web of Conferences,Andalas 福利在线看, Indonesia,2018,
G.M.C.A.Perera, R.L.H.L. Rajapakse,".Study on Use of Daily and Monthly Lumped Parameter Hydrologic Models for Analysis of Maha Oya River Basin.",6th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development,Universiy of Ruhuna,2018,
Chamal Perera, Chandana SA Siriwardana, OPC Randil,".Importance of community resilience measurement approaches with the change of climate in the field of disaster resilience and its applicability in the Sri Lankan context.",International Conference on Sustainable Built Environment, Kandy, Sri Lanka,Kandy,2018,
GMCA Perera, RLHL Rajapakse,".Daily and Monthly Lumped Parameter Hydrologic Models for Analysis of Small Watersheds in Sri Lanka.",2018 Moratuwa Engineering Research Conference (MERCon),福利在线看 of Moratuwa,2018,
Chamal Perera, Nadee Peiris, Luminda Gunawardhana, Lalith Rajapakse, Nimal Wijayaratna, Binal Chatura Dissanayake, Kasun De Silva,".Designing for the Past in a Nonstationary Climate: Evidence from Cyclone Ditwah芒鈧劉s Extreme Rainfall in Sri Lanka.",Hydrology,13/2,2026
Chamal Perera, Katsunori Tamakawa, Mohamed Rasmy, Tomoki Ushiyama, Shinichiro Nakamura,".Socio-hydrological prediction of soft-path vs. hard-path in flood risk management under climate change: A case study from the Lower Kelani River Basin, Sri Lanka.",Journal of Hydrology: Regional Studies,58,2025
Chamal Perera, Shinichiro Nakamura,".Conceptualizing the effectiveness of flood risk information with a socio-hydrological model: A case study in Lower Kelani River Basin, Sri Lanka.",Frontiers in Water,5,2023
Chamal Perera, Shinichiro Nakamura,".Improvement of socio-hydrological model to capture the dynamics of combined river and urban floods: a case study in Lower Kelani River Basin, Sri Lanka.",Hydrological Research Letters,,2022
Chamal Perera, Darshana Jayasooriya, Gimhan Jayasiri, Chameera Randil, Chaminda Bandara, Chandana Siriwardana, Ranjith Dissanayake, Sameera Hippola, Kamani Sylva, Thushara Kamalrathne, Asela Kulatunga,".Evaluation of gaps in early warning mechanisms and evacuation procedures for coastal communities in Sri Lanka.",International Journal of Disaster Resilience in the Built Environment,,2020