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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 9 | Copyright

Special issue: Extreme seas and ship operations

Nat. Hazards Earth Syst. Sci., 14, 2521-2527, 2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 23 Sep 2014

Research article | 23 Sep 2014

A preliminary investigation of rogue waves off the Jiangsu coast, China

Y. Wang1,2, A.-F. Tao1,3, J.-H. Zheng1,3, D.-J. Doong4, J. Fan1,3, and J. Peng1,3 Y. Wang et al.
  • 1State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
  • 2Jiangsu Province Communications Planning and Design Institute Limited Company, Nanjing 210005, China
  • 3College of Harbor Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China
  • 4Department of Marine Environmental Informatics, National Taiwan Ocean University, Keelung, 20224, China

Abstract. Due to the potential disasters induced by rogue waves, research in this field has increased rapidly in the last 2 decades. However, there are still a lot of open questions left, including some classic ones, such as whether the rogues waves are just rare events or not. One of the key reasons is that not enough of the observed rogue waves have been investigated. China has a wide sea area, but none of the research has addressed the observed rogue waves. In the present study, 1 year of observed wave data from Jiangsu coastal area, China, are analyzed. It is found that rogue waves are present, although the wave heights are not very large; furthermore, the probability of their occurrence is similar to the Rayleigh distribution prediction, due to the local silty coastal topography. The characteristics of rouge waves are investigated and the results indicate that a new type of rogue wave may exist.

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