| Sri Lanka national water development report K Imbulana, NTS Wijesekera, BR Neupane MAI and MD, UN-WWAP, UNESCO and University of Moratuwa, Sri Lanka, 2006 | 67 | 2006 |
| Using SWMM as a tool for floodplain management in ungauged urban watershed SS Wanniarachchi, NTS Wijesekera Engineer: Journal of the Institution of Engineers, Sri Lanka 45 (1), 2012 | 50* | 2012 |
| Extraction of parameters and modelling soil erosion using GIS in a grid environment S Wijesekera | 48 | 2012 |
| A state-of-the-art review of flood risk assessment in urban area HMM Herath, NTS Wijesekera IOP Conference Series: Earth and Environmental Science 281 (1), 012029, 2019 | 16 | 2019 |
| Sri Lanka water development report 2010 K Imbulana, NTS Wijesekara, BR Neupane, MMM Aheeyar, ... United Nations Educational, Scientific and Cultural Organization and …, 2006 | 13 | 2006 |
| Watershed similarity conditions for peakflow transposition-a study of river basins in the wet zone of Sri Lanka NTS Wijesekera, JC Abeynayake | 13 | 2003 |
| A Diagnostic Application of HEC–HMS Model to Evaluate the Potential for Water Management in the Ratnapura Watershed of Kalu Ganga Sri Lanka PM Jayadeera, NTS Wijesekera Engineer 11, 1, 2019 | 12 | 2019 |
| A framework to develop location based services applications using OGC map services N Fernando, D Dias, S Wijesekara 2010 Fifth International Conference on Information and Automation for …, 2010 | 12 | 2010 |
| Key issues of data and data checking for hydrological analyses-case study of rainfall data in the Attanagalu Oya basin of Sri Lanka NTS Wijesekera, LRH Perera Engineer: Journal of the Institution of Engineers, Sri Lanka 45 (2), 1-12, 2012 | 11 | 2012 |
| Social and environmental impacts of a mini-hydro project on the Ma Oya Basin in Sri Lanka B Thoradeniya, M Ranasinghe, NTS Wijesekera International Conference on Small Hydropower-Hydro Sri Lanka 22, 24, 2007 | 11 | 2007 |
| Evaluation of HEC-HMS model for water resources management in Maha Oya Basin in Sri Lanka M Herath, NTS Wijesekera Eng. J. Inst. Eng. Sri Lanka 54, 45, 2021 | 10 | 2021 |
| Predictive cum adaptive systems development methodology for HydroGIS tool development RMM Pradeep, NTS Wijesekara | 10 | 2017 |
| Parameter estimation in watershed models a case study using Gin ganga watershed NTS Wijesekera IESL, 2000 | 10 | 2000 |
| Incorporating stakeholder concerns in Land Information Systems for urban flood management RMM Pradeep, NTS Wijesekera Array 8, 100037, 2020 | 9 | 2020 |
| Classification of Streamflow Observations for Water Management NTS Wijesekera no. February, 2018 | 9 | 2018 |
| GIS Tool to mitigate urban flash floods through computing land allotment modifications and incorporating conceptual detention pit RMM Pradeep, NTS Wijesekera | 9 | 2012 |
| Streamflow Modelling of Sri Lankan Catchments (2)-Kalu River Catchment at Putupaula NTS Wijesekera, K Musiake Seisan Kenkyu 42 (11), 645-648, 1990 | 9 | 1990 |
| Gaps in the accounting of stakeholder integrations in HydroGIS tools to face the challenge of sustainable urban flood management RMM Pradeep, NTS Wijesekera Eng. J. Inst. Eng. Sri Lanka 54, 1-14, 2021 | 7 | 2021 |
| Transformation of flood risk management with evolutionary resilience HMM Herath, NTS Wijesekera E3S Web of Conferences 158, 06005, 2020 | 7 | 2020 |
| Modification of User Friendliness into a HydroGIS Tool RMM Pradeep, NTS Wijesekara | 7 | 2015 |
