1. Nishad Wijesekara
7607 68 Ave NW Calgary, AB
403-614-1546
1
Appendix A: Research publications/presentations
Journal publications – peer reviewed
 Wijesekara, Gayan Nishad, et al. "A Comprehensive Land-Use/Hydrological Modeling System for
Scenario Simulations in the Elbow River Watershed, Alberta, Canada." Environmental Management
(2013): 1-25.
 Farjad B., Helmi Z. M. Shafri, Thamer Ahmed M, Saied Pirasteh, Wijesekara G.N., 2012,
Groundwater intrinsic vulnerability and risk mapping. ICE - Water Management, 165(8), PP 441-450
 Wijesekara, N., A. Gupta, C. Valeo, J.G. Hasbani, Y, Qiao, P. Delauney, and D.J. Marceau, 2012,
Assessing the impact of future land-use changes on hydrological processes in the Elbow River
watershed in southern Alberta, Canada. Journal of Hydrology 412-413, 220-232
Book chapters
 PREDICTION OF NEAR REAL TIME NATURAL FLOWS IN GAUGED AND UNGAUGED WATERSHEDS OF
SOUTH SASKATCHEWAN RIVER BASIN – WHAT ARE OUR OPTIONS?,2014, Anil Gupta, Werner
Herrera, G.N. Wijesekara, C. Valeo, D.J. Marceau, Niandry Moreno, Putting Prediction in Ungauged
Basins into Practice, Chapter 16, Canadian Water Resources Association
 Marceau, D.J., Wang F, and Wijesekara N, 2013, Investigating land-use dynamics at the periphery
of a fast-growing city with cellular automata at two spatial scales. In: Cities and Nature, I. Benenson,
D. Malkinson, and Daniel Czamanski, Eds, Springer. Accepted for publication.
 Marceau, D.J., F. Wang, and N. Wijesekara, 2012, Investigating land-use dynamics at the periphery
of a fast-growing city with cellular automata at two spatial scales. In: Cities and Nature, I. Benenson,
D. Malkinson, and Daniel Czamanski, eds, Springer. Submitted on October 1, 2012.
 Hasbani, J.-G., N. Wijesekara and D.J. Marceau, 2011, An Interactive Method to Dynamically Create
Transition Rules in a Land-use Cellular Automata Model, Cellular Automata - Simplicity Behind
Complexity, Alejandro Salcido (Ed.), ISBN: 978-953-307-230-2, InTech, Available from:
http://www.intechopen.com/articles/show/title/an-interactive-method-to-dynamically-create-
transition-rules-in-a-land-use-cellular-automata-model
Proceedings of Conference – peer reviewed

2. Nishad Wijesekara
7607 68 Ave NW Calgary, AB
403-614-1546
2
 Marceau, D.J., B. Farjad, N. Wijesekara, and A. Gupta (2015). Impact of land use and climate
change on hydrological processes: an integrated modeling approach. The 9th World Congress of the
European Water Resource Association, Istanbul, Turkey, June 10-13.
 Marceau, D.J., N. Wijesekara, M. Pooyandeh, B. Farjad, M. Motamedi, and A. Gupta (2014). An
integrated modeling framework for water resource management and stakeholders’ engagement. 8th
International Congress on Environmental Modelling and Software (iEMSs), June 15-19, San Diego,
California, USA.
 Marceau, D.J., B. Farjad, M. Pooyandeh, N. Wijesekara, A. Gupta, and P. Delaney, Integrated
modelling for land and water management in the Elbow River watershed. Annual Canadian Water
Resources Association (CWRA) Conference, March 23-25, 2014, Calgary, AB, Canada.
 Wijesekara, G. N., Gupta, A., Valeo, C., Hasbani, J. G., Marceau, D. J., 2010, Impact of land-use
changes on the hydrological processes in the Elbow river watershed in southern Alberta, 2010
Proceedings of the Fifth Beinnial Conference of the International Environmental Modelling and
Software Society, Ottawa, Canada, Vol. 1, PP 868-875.
 Samarawickrama, S. P., Hettiarachchi, S. S. L., Wijesekara, G. N., Welhena, T., 2004, Modelling the
Potential Impacts of Oil Spills along the South West Coast of Sri Lanka, Proceedings of Institution of
Engineers, Sri Lanka, 2004, PP 313-318
 Hettiarachchi, S. S. L., Wijesekara, G.N., Welhena, T., Fernando, M. M. G. S., 2003, Oil Spill
Modeling Case Study: South and South-West Coast of Sri Lanka, Sixth International Conference on
Coastal and Port Engineering in Developing Countries – “Engineering the Coastal Environment”,
Colombo, Sri Lanka, 15th to 19th September 2003, PP 363-364
 Wijesekara, G.N., Thilakasiri, H. S., Wickramasinghe, A. M., Wickramanayake, A. N., 2002,
Application of GIS in “3G Modeling” (Concept Introduced), Proceedings of the 8th Annual Symposium
of Engineering Research Unit on Research for Industry, University of Moratuwa, Sri Lanka, PP B-1 –
B-3.
 Wijesekara, G. N., Thilakasiri, H. S., Wickramasinghe, A. M., Wickramanayake, A. N., 2001,
Introducing GeoPro 1.0a for “3G Modeling” (Concept Introduced), Annual publication of Best
Geotechnical Engineering Undergraduate Projects in Sri Lankan Universities 2001, PP 9 – 12.
Conferences with abstracts – peer reviewed
 Danielle MARCEU, Babak FARJAD, Nishad WIJESEKARA, and Anil GUPTA (2015) Impact of land use
and climate change on hydrological processes: an integrated modeling approach, EUROPEAN WATER
RESOURCES ASSOCIATION, 2015, June 10-13 Istanbul, Turkey
 Wijesekara, G. N., Gupta, A., Delaney, P., Valeo, C., Hasbani, J. G., Marceau, D. J., 2011, Linking a
land-use cellular automata and a hydrological model to investigate the impact of land-use changes on

3. Nishad Wijesekara
7607 68 Ave NW Calgary, AB
403-614-1546
3
the hydrological processes in the Elbow River watershed in southern Alberta, Canada, Spatial
Knowledge and Information - Canada, March 4 - 6, 2011, Canada, Fernie, BC (oral presentation)
 Wijesekara, G. N., Gupta, A., Valeo, C., Hasbani, J. G., Marceau, D. J., 2010, Impact of land-use
changes on the hydrological processes in the Elbow river watershed in southern Alberta, 2010
International Congress on Environmental Modelling and Software for Environment’s Sake, Fifth
Biennial Meeting, Ottawa, Canada, July 5 – 8 (Full paper peer reviewed oral presentation).
Conferences with abstracts – panel reviewed
 An integrated modeling framework for water resource management and stakeholders’ engagement,
D.J. Marceau, N. Wijesekara, M. Pooyandeh, B. Farjad, M. Motamedi, and A. Gupta, 2014, 8th
International Congress on Environmental Modelling and Software (iEMSs), June 15-19, 2014, San
Diego, California, USA.
 Marceau, D.J., N. Wijesekara, M. Pooyandeh, and B. Farjad, 2013, A web-based spatial decision
support system for water management in Alberta. Tecterra Showcase 2013, June 18, Calgary, Alberta
(poster presentation)
 Marceau, D.J., Wang F, Farjad B, Wijesekara N, and Hasbani J.G., 2013, Sensitivity of a cellular
automata to historical data used for its calibration and impact on hydrological processes. Annual
Meeting of the Association of American Geographers, Los Angeles, April 9-13.
 Wijesekara, G. N., Farjad, B.,Gupta, A., Valeo, C., Qiao, Y., Delaney, P., Marceau, D. J.,
Investigating the impact of climate variability and land-use change on hydrological processes in the
Elbow River watershed, Alberta, Canada, International Interdisciplinary conference on Predictions for
Hydrology, Ecology and Water Resources Management 2012, September 24-27, 2012, Vienna,
Austria (Oral presentation).
 Wijesekara, G. N., Farjad, B.,Gupta, A., Valeo, C., Qiao, Y., Delaney, P., Marceau, D. J., Improved
calibration and validation of the MIKE-SHE hydrological model for the Elbow River watershed, in
southern Alberta, Canada, Global Geospatial Conference 2012, May 14-17, 2012, Quebec City, QC,
Canada (Poster).
 Wijesekara, G. N., Gupta, A., Valeo, C., Hasbani, J. G., Marceau, D. J., 2010, Assessing the impact
of future land-use changes on hydrological processes in the Elbow river watershed in southern
Alberta, Hydrology Conference 2010: The changing physical and social environment: hydrologic
impacts and feedbacks, October 11 - 13, 2010, San Diego, CA, USA (Oral presentation).
 Wijesekara, G. N., Gupta, A., Valeo, C., Marceau, D. J., 2010, Integrating a land use cellular
automata and a hydrological model to investigate the impact of land-use changes on the hydrological
processes in the Elbow River watershed in southern Alberta, Canada, International interdisciplinary
conference on predictions for Hydrology, Ecology and Water resources management, Sept 20-23,
2010, Prague, Czech Republic (Poster).

4. Nishad Wijesekara
7607 68 Ave NW Calgary, AB
403-614-1546
4
 Wijesekara, G. N., Gupta, A., Valeo, C., Hasbani, J. G., Marceau, D. J., 2010, Impact of increased
urbanization of the city of Calgary on the hydrological processes in the Elbow river watershed in
southern Alberta, 2010 Canadian Geomatics Conference, Calgary, AB, June 15 - 18 (Poster)
 Wijesekara, G. N., Gupta, A., Valeo, C., Hasbani, J. G., Marceau, D. J., 2010, Calibration and
validation of the MIKE-SHE hydrological model for the Elbow river watershed, Alberta, 2010 Canadian
Geomatics Conference, Calgary, AB, June 15 - 18 (Oral presentation).
 Wijesekara, G. N., Gupta, A., Valeo, C., Marceau, D. J., 2009, Integrating a land-use cellular
automata (CA) model with a hydrological model (MIKE-SHE) to simulate the impact of land-use
changes on water resources in the Elbow river watershed in southern Alberta, 11th GEOIDE Annual
Scientific Conference, Vancouver, BC, May 27-29 (Poster).
Other presentations (Oral) - Invited
 Marceau, D.J., B. Farjad, M. Pooyandeh, N. Wijesekara (2015). Changing hydrology and land use in
the Elbow River watershed. Sustainable Redwood Lecture Series, Redwood Meadows, May 12.
 Marceau, D.J., B. Farjad, M. Pooyandeh, and N. Wijesekara (2014). An integrated modeling system
for watershed management. Application to the Elbow River watershed. City of Calgary, June 5.
 Marceau, D.J., B. Farjad, M. Pooyandeh, N. Wijesekara, A. Gupta, P. Delaney, and M. Motamedi
(2014). An integrated modeling system for watershed management. Application to the Elbow River
watershed. The Elbow River Watershed Integrated Modeling Workshop, University of Calgary, April 25.
 Marceau, D.J., N. Wijesekara, M. Pooyandeh, and B. Farjad, 2013. A web-based spatial decision
support system for water management in Alberta. Tecterra Showcase, June 18, 2013, Calgary, AB,
Canada. (Poster)
 Wijesekara, N., and B. Farjad, and Marceau, D.J., 2014. A cellular automata model to simulate land-
use/cover changes in the Elbow River watershed. The Elbow River Watershed Integrated Modelling
Workshop, April 25, Calgary, Alberta.
 Wijesekara, N., and B. Farjad, and Marceau, D.J., 2014. Impact of land-use/cover changes on the
hydrological processes in the Elbow River watershed. The Elbow River Watershed Integrated Modelling
Workshop, April 25, Calgary, Alberta
 Marceau, D.J., N. Wijesekara, and B. Farjad, 2014. Impact of land-use and climate change on the
hydrology of the Elbow River watershed. Alberta Flood Mitigation Workshop, February 18-19, Calgary,
Alberta

5. Nishad Wijesekara
7607 68 Ave NW Calgary, AB
403-614-1546
5
 Wijesekara, N., and Farjad, B., 2011, Impact of land-use changes and climate changes on
hydrological processes, Annual GEOIDE workshop organized by GeoComputational Laboratory,
Department of Geomatics Engineering, University of Calgary, June 28, 2011, Calgary, AB, Canada
 PIV-32: 4D Visioning for Climate Change Decision-Making, 2010, 2010 Canadian Geomatics
Conference, June 15-18, 2010, Calgary, AB (Representing five teams across Canada working on
GEOIDE phase IV, Prj. 32)
 Wijesekara, G. N., Marceau, D. J., 2010, Calibration of MIKE-SHE and linkage with a land-use
cellular automata (CA) model, GEOIDE workshop, March 30th, 2010, Calgary, Canada.
 Wijesekara, G. N., Dayananda, S., Madanayeka, A., 1997, Computer Generated Fractal Geometry,
Silver Jubilee Exhibition of the University of Moratuwa, Sri Lanka.
Reports
 Wijesekara, G. N., and Marceau, D. J., 2012, Elbow River Watershed MIKE-SHE model:
Enhancement and SCenario modelling project, Report submitted to Dr. Anil Gupta, Alberta
Environment, Calgary, AB, Canada, over 80 pages.
 (Report) Wijesekara, N., Marceau, D., 2009, Integrating a land-use cellular automata (CA) model
with a hydrological model (MIKE-SHE) to simulate the impact of land-use changes on water resources
in the Elbow river watershed in southern Alberta, Report submitted to Alberta Environment, 22
pages.
 (Report) Wijesekara, G. N., and Marceau, D. J., 2008, Integrating a land-use cellular automata
(CA) model with a hydrological model (MIKE-SHE) to simulate the impact of land-use changes on
water resources in the Elbow river watershed in southern Alberta, Report submitted to Alberta
Environment, 3 pages.
 (Consultancy Report) Hettiarachchi, S. S. L., Samarawickrama, S., Wijesekara, G. N., Welhena, T.,
Fernando, M. M. G. S., 2003, Assessment of risk of oil spill damage to specific coastal areas and
resources, Task 3, Institutional strengthening of oil spill contingency management, MPPA, Sri Lanka.
(More than 100 pages.)
 (Consultancy report) Hetiarachchi, S. S. L., Samarawickrama, S., Wijesekara, G. N., 2002,
Mathematical Modelling for the Design of Two Fishery Harbours (Hambantota and Kalamatiya), Asian
Development Bank – Fishery Harbour Project (2001/2002). (More than 100 pages)