Mr. Susantha Wanniarachchi

Senior Lecturer

Faculty of Engineering | Civil Engineering

Career Summary

Susantha Wanniarachchi is a researcher in Water Resources Engineering. Currently, he is a Senior lecturer in Civil Engineering in Faculty of Engineering, Sri Lanka Institute of Information Technology, Malabe, Sri Lanka.

ACADEMIC QUALIFICATIONS

B.Sc Eng. (Hons) in Civil Engineering, University of Moratuwa, Sri Lanka, 2010.
M.Phil. in Stormwater Management, University of Moratuwa, Sri Lanka 2019

HONOURS AND AWARDS

Best paper award – Wanniarachchi S.S, Wijesekera N.T.S, Mathematical Modeling of Watershed Runoff Coefficient for Reliable Estimations to meet the future challenges of water resources development in Sri Lanka, Engineer, Vol 46, No2, pp59-68, 2013. (IWMI AWARD-UNDER 35 YEARS, First Place)

Research Interests and Memberships

Research Interests

Hydrology & Hydraulics and Water management
Irrigation Engineering

Memberships

AMIESL

Ongoing Research

Baseflow separation in Kelani river basin at Hanwella using recursive digital filter calibrated with the concave method
Mathematical modelling of watershed runoff coefficients with graphical baseflow separation
Analysis of landuse pattern change impact on runoff generation in Malabe-Athurugiriya area
Conductivity based baseflow estimation in Thalangama canal
Assessment of the effectiveness of floating aquatic plants on evaporation reduction in reservoirs
Effect of slope prediction methods on rainfall-runoff estimation
Determining Stormwater Contaminant Sources at the SLIIT
Investigation of stormwater contaminant distribution within an urban catchment
Geotechnical Analysis of Hydraulic Properties of Substrates for Engineered Treatment Wetlands
Analyse the effect of the criterion for rainfall event separation Development of Stormwater Management Model for SLIIT campus, Malabe
Analysis of the climate change impact on temporal variation of Monsoon rainfall in Sri Lanka
Analysis of the antecedent wetness relationship with the initial abstraction ratio

My Publications

Journal Publications

Khaniya B, Wanniarachchi S, Rathnayake U " Importance of Hydrologic Simulation for Lids and BMPs Design Using HEC-HMS: A Case Demonstration " International Journal of Hydrology, vol.5, Issue 00027, 2017,
S. Wanniarachchi, N.T.S. Wijesekera " Mathematical Modelling of Watershed Runoff Coefficient for Reliable Estimations to meet the Future Challenges of Water Resources Development in Sri Lanka " ENGINEER, vol.46, Issue 02, 2013, pp.59-68,
S. Wanniarachchi, N.T.S. Wijesekera " Using SWMM as a Tool for Floodplain Management in Ungauged Urban Watershed " ENGINEER, vol.45, Issue 01, 2012, pp.1-8,
S.S.Wanniarachchi, N.T.S.Wijesekera " Challenges in field approximations of regional scale hydrology " Journal of Hydrology Regional Studies, vol.Volume 27, Issue 100647, 2020, https://doi.org/10.1016/j.ejrh.2019.100647,

Conference Proceedings

D. Senadeera, S. Wanniarachchi, U. Rathnayake RAINFALL ANALYSIS IN UMA OYA BASIN, SRI LANKA in International Research Symposium on Engineering Advancements 2016 (IRSEA 2016), year 2016, SAITM, SAITM, June 2016,
B. Khaniya, S. Wanniarachchi, U. Rathnayake Sustainable stormwater management system: A conceptual design model for SLIIT, Malabe campus, Sri Lanka in International Research Symposium on Engineering Advancements 2016 (IRSEA 2016), year 2016, SAITM, SAITM, June 2016,