Abstract
Characteristics and behavior of cyclones occurred in Bay of Bengal during last 4 decades in the light of global warming effect and applicability of Delft3D modeling system with Delft Dashboard Tropical Cyclone to simulate storm surge levels in eastern coast of Sri Lanka during the passage of 2000 Cyclone (BOB 06) were investigated in this research. Through the statistical analysis of cyclone characteristics, increasing trend of sustained wind speed with the increase of sea surface temperature (SST) over the Bay of Bengal was identified for the considered period though there is no trend for annual cyclone variation. In this study, spatially varying wind and pressure fields of 2000 Cyclone were reproduced by using Delft Dashboard Tropical Cyclone Tool. FLOW model of Delft3D system was used to simulate the hydrodynamic effects caused by wind, atmospheric pressure changes and tidal forces. Thus, Delft Dashboard Tropical Cyclone Tool, together with Delft3D FLOW-WAVE coupled modeling system could simulate storm surge level in eastern coast of Sri Lanka for 2000 Cyclone event with a satisfactory level of accuracy.
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Acknowledgements
The authors wish to acknowledge to Deltaers and Delft Dashboard Team (The Netherlands) for providing their models for this study.
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Laknath, D.P.C., Sewwandi, K.A.H.S., Hailong, H. (2020). Analysis of Cyclone Events in Bay of Bengal and Simulation of Storm Surge in Eastern Coast of Sri Lanka. In: Trung Viet, N., Xiping, D., Thanh Tung, T. (eds) APAC 2019. APAC 2019. Springer, Singapore. https://doi.org/10.1007/978-981-15-0291-0_179
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DOI: https://doi.org/10.1007/978-981-15-0291-0_179
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