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Climate change,Coastal risk assessment,Coastal zone management,Numerical modelling of coastal hazards,Coastal Engineerings
Institutions
IHE Delft Institute for Water Education,University of Twente,Deltares
Roshanka Ranasinghe (born 1967 in Kandy,Sri Lanka) is a coastal engineering professor in the Netherlands. He holds the AXA Chair in Climate Change Impacts and Coastal Risk at the Department of Coastal and Urban Risk and Resilience,IHE Delft Institute for Water Education.[1] He is also a professor at the Department of Water Engineering and Management,University of Twente and a senior specialist at the Department of Resilient Ports and Coasts (Hydraulic Engineering Unit) at Deltares.[2]
He has worked in both the academic and government sectors in Australia and the Netherlands,and has authored over 200 peer-reviewed articles and presented worldwide,[1] with his research being cited more than 25,000 times.[4]
Ranasinghe also has over 20 publications in Nature Portfolio journals,[5] where,since 2022,he has been a member of the editorial board of Scientific Reports, for which he guest edited a special collection on sea level rise.[6]
Academic positions
From 2008 to 2013,Ranasinghe was an Associate Professor at IHE Delft,[2] and since 2014,he is the Professor of Climate Change Impacts and Coastal Risk at IHE Delft.[1] In 2016,he also joined the University of Twente as a Professor of Climate change impacts and Coastal risk,a position he still holds.[2]
Ranasinghe also currently holds the AXA Chair in Climate Change Impacts and Coastal Risk at the Department of Coastal and Urban Risk &Resilience,IHE Delft and at the Department of Water Engineering and Management,University of Twente,along with an Honorary Professorship at the University of Melbourne.[1]
Advisory and professional activities
Ranasinghe has supervised/co-supervised 25+ PhD candidates and numerous MSc students. He also has led a number of advisory and capacity development projects in several countries,including Sri Lanka,India,Vietnam,Thailand,Sao Tome and Principe,and Australia.[1]
Ranasinghe led the development of Coastal Futures,[7] an online tool launched in 2021 by IHE Delft that offers a comprehensive overview of state-of-the-art,global scale[8] projections for sea level rise,coastal flooding,shoreline retreat,and extreme waves.[9] This tool integrates multiple global data sets on coastal climate impact-drivers,providing users with a clear,up-to-date picture of potential future coastal hazards.[9]
Ranasinghe has also been actively involved in the Intergovernmental Panel on Climate Change (IPCC) process and is currently a member of the IPCC Seventh Assessment Report (AR7) Scoping Team (Working Group I). In the IPCC AR6[10] cycle,he was Coordinating Lead Author in Chapter 12,[11] a Lead Author of the Summary for Policy Makers,[12][dead link] and a Contributing Author in Chapters 9,11 and Atlas of the Working Group I contribution to the IPCC Sixth Assessment Report (AR6).[13] Ranasinghe was also a Contributing Author in the IPCC Special Report on Oceans and Cryosphere in a Changing Climate (SROCC).[13]
Ranasinghe pioneered the development of novel probabilistic,reduced complexity models,such as PCR,[14] SMIC,[15] and G-SMIC[16] for assessing climate change induced coastal risks. He has been at the forefront of the development of several widely used global scale projections of climate change driven coastal hazards,such as extreme sea levels,coastal flooding and shoreline retreat.[17]
Awards
Ranasinghe received the AXA Research Fund grant and holds the AXA Chair in Climate Change Impacts and Coastal Risks.[18] His research focuses on studying the effects of climate change on coastal areas and evaluating adaptation strategies.[6] These strategies include engineering solutions and softer approaches,such as spatial planning,innovative architecture,and construction techniques.[18]
Publications
Selected journal papers
Almar,R.,Boucharel,J.,Graffin,M.,Abessolo,G.,Thoumyre,G.,Papa,F.,Ranasinghe,R., Montano,J.,Bergsma,E.,Baba,M.,Jin,F. 2023. Influence of El Niño on the variability of global shoreline position. Nature Communications, Vol. 14,3133,. https://doi.org/10.1038/s41467-023-38742-9
Almar,R.,Ranasinghe,R.,Bergsma,E.,Diaz,H.,Melet,A.,Papa,F.,Vousdoukas,M.,Athanasiou,P.,Dada,O.,Almeida,L.,Kestenare,E. 2021. A global analysis of extreme coastal water levels with implications for potential coastal overtopping. Nature Communications,Vol 12,3775,https://doi.org/10.1038/s41467-021-24008-9
Nawarat,K.,Reyns,J.,Vousdoukas,M.,Duong,T.,Kras,E.,Ranasinghe,R. 2024. Coastal hardening and what it means for the World’s sandy beaches. Nature Communications,Vol 15,10626,https://doi.org/10.1038/s41467-024-54952-1
Ranasinghe,R. 2020. On the need for a new generation of coastal change models for the 21st century. Scientific Reports, Vol 10,2010,https://doi.org/10.1038/s41598-020-58376-x
Ranasinghe,R.,Callaghan,D.,Li,F.,Wainwright,D.,Duong,T. 2023. Assessing coastline recession for adaptation planning:Sea level rise versus storm erosion. Scientific Reports,Vol 13,8286,https://doi.org/10.1038/s41598-023-35523-8
Ranasinghe,R.,Duong,T.,Uhlenbrook,S.,Roelvink,D. and Stive,M. 2013. Climate Change impact assessment for inlet-interrupted coastlines. Nature Climate Change, Vol. 3,83-87,https://doi.org/10.1038/nclimate1664
Vousdoukas,M.,Athanasiou,P.,Giardino,A.,Mentaschi,L.,Stocchino,A.,Kopp,R,Menendez,P.,Beck,M.,Ranasinghe,R,Feyen,L. 2023. Small Island Developing States under threat by rising seas even in a 1.5 °C warming world. Nature Sustainability,https://doi.org/10.1038/s41893-023-01230-5
Vousdoukas,M.,Clarke,J.,Ranasinghe,R.,Reimann,L.,Khalaf,N.,Duong,T.,Ouweneel,B.,Sabour,S.,Iles,C.,Trisos,C.,Feyen,L.,Mentaschi,L.,Simpson,N. 2022. African Heritage Sites threatened by coastal flooding and erosion as sea-level rise accelerates. Nature Climate Change,Vol 12,256- 262,https://doi.org/10.1038/s41558-022-01280-1
Vousdoukas,M.,Ranasinghe,R., Mentaschi,L.,Plomaritis,T.,Athanasiou,P.,Luijendijk,A.,Feyen,L. 2020. Sandy coastlines under threat of erosion. Nature Climate Change, Vol 10(3),260 -263,https://doi.org/10.1038/s41558-020-0697-0
Tebaldi,C.,Ranasinghe,R., Vousdoukas,M.,Rasmussen,D. J.,Vega-Westhoff,B.,Kirezci,E.,Kopp,R.,Sriver,R,Mentaschi,L. 2021. Extreme Sea Levels at different global warming levels. Nature Climate Change, Vol 11,746 -751,https://doi.org/10.1038/s41558-021-01127-1
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