Mr. KKDWS Kannangara

Waruna Kannangara is a Lecturer in the Department of Surveying and Geodesy, Faculty of Geomatics at the Sabaragamuwa University of Sri Lanka. Upon graduation, he served as a surveyor, quantity surveyor, and cost consultant for prominent local and international organisations in Sri Lanka, the United Arab Emirates, and the Maldives, acquiring extensive expertise in surveying and cost management. He joined the Faculty of Geomatics in 2015 and currently coordinates the land surveying field practical programs. He also conducts undergraduate teaching in construction surveying, applications of GNSS and deformation monitoring & analysis.

Student Member - International Association of Geodesy (IAG), 2022

Member of AACE International (Association for the Advancement of Cost Engineering)

Positioning and Navigation

Gravity anomalies in Sri Lanka

Crustal Deformation

Sea Level Rise

Satellite Altimetry

GNSS Meteorology

• Application of GNSS-IR for Monitoring Water Surface Variation in Sri Lanka: Insights from Coastal Sea Level and Inland Water Analysis.

• Analysing GNSS-derived PWV and ECMWF ERA5 PWV over Sri Lanka.

• Mapping Ocean Variability for Sustainable Development in Coastal Regions of Sri Lanka Constrained by Geodetic Infrastructure.

Peer-reviewed journal papers

• Gunathilaka, M.D.E.K. and Kannangara, W.S. (2021) ‘An Investigation into Sea Level Rise in Sri Lankan Waters with Satellite Altimetry, Journal of Geospatial Surveying, 1(2), p. 14-22. Available at: https://doi.org/10.4038/jgs.v1i2.30.

Abstracts in presentations & conference proceedings

• Gunasekara C.N., Kannangara, K.K.D.W.S. (2025). 'An assessment of the correlation between GNSS-derived precipitable water vapour and ECMWF ERA5 data over Belihuloya',  10th International Conference of Sabaragamuwa University of Sri Lanka and 6th China - Sri Lanka Communication and Cooperation Forum, Belihuloya, 1^st- 3^rd December.

• Deshapriya, C.M.K.S., Kannangara, K.K.D.W.S. (2023). 'Assessment of Positioning Accuracy for Surveying using Smartphones with Dual-Frequency Multi-GNSS Receiver',  National Aquatic Resources Research and Development Agency (NARA) Annual Scientific Session 2023, Colombo, 13^th December.

• Kannangara, K.K.D.W.S. (2022). 'Estimation of Vertical Land Motion in the Western Tropical Pacific Islands from GPS, Satellite Altimetry and Tide Gauge measurements', 12^th Annual Research Sessions of the Sabaragamuwa University of Sri Lanka, Belihuloya, 6th December.

• Gunathilaka, M.D.E.K., Kannangara, K.K.D.W.S., and Samarapperuma S.A.H.M. (2017). Estimation of Sea Level Rise in Colombo with Satellite Altimetry Data. KDU International Research Conference 2017, Ratmalana, 3^rd-4^th August.