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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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https://doi.org/10.5194/nhess-2017-34
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/nhess-2017-34
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

  15 Mar 2017

15 Mar 2017

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This preprint is currently under review for the journal NHESS.

Meso-scale Simulation of Typhoon Generated Storm Surge: Methodology and Shanghai Case Study

Shuyun Dong1, Wayne J. Stephenson1, Sarah Wakes2, Zhongyuan Chen3, and Jianzhong Ge3 Shuyun Dong et al.
  • 1Department of Geography, University of Otago, Dunedin, 9016, New Zealand
  • 2Centre for Materials Science and Technology, University of Otago, Dunedin, 9016, New Zealand
  • 3State Key Laboratory for Estuarine and Coastal Research, East China Normal University, Shanghai, 200062, China

Abstract. The increasing vulnerability of coastal mega-cities to storm surge inundation means both infrastructure and populations are subject to significant threat. Planning for further urban development should include consideration of the changing circumstances in coastal cities to ensure a sustainable future. A sustainable urban plan relies on well preparedness and prediction of future climate change and multiple natural hazards. In light of these needs for urban planning, this paper develops a general method to simulate typhoon generated storm surge at the meso-scale (1–100 km in length). Meso-scale simulation provides a general approach that could be implemented to fulfil the purpose of planning, and has relatively low requirements for computation time and data, while still providing reasonable accuracy. The case study of Shanghai was chosen to implement this method. The meso-scale simulated results of two historical typhoons not only provides a realistic result at the city level, but is also suitable for implementing a large amount of simulations for future scenario studies. The method is generally applicable to all coastal cities around the world to examine the effect of future climate change on typhoon generated storm surge, even where historical observed data are inadequate or not available.

Shuyun Dong et al.

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Shuyun Dong et al.

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Short summary
Meso-scale simulation provides a general approach that could be implemented to fulfil the purpose of planning, and has relatively low requirements for computation time and data, while still providing reasonable accuracy. The method is generally applicable to all coastal cities around the world to examine the effect of future climate change on typhoon generated storm surge, even where historical observed data are inadequate or not available.
Meso-scale simulation provides a general approach that could be implemented to fulfil the...
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