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Natural Hazards

, Volume 59, Issue 1, pp 1–15 | Cite as

A numerical study of storm surges caused by cold-air outbreaks in the Bohai Sea

  • Peng Zhao
  • Wensheng Jiang
Original Paper

Abstract

Storm surges in the Bohai Sea are not only associated with tropical cyclones and extra-tropical cyclones, but also cold-air outbreaks. Cold-air outbreaks attack China from four major tracks, with each track having its own prevailing wind over the Bohai Sea. As the pressure field of cold-air outbreaks can be converted into the surface wind, storm surges can be investigated by the pressure field of cold-air outbreaks entirely. This paper took the different major tracks, pressure field, and high wind period into consideration and constructed 20 scenarios to describe the actual situation of cold-air outbreaks. Based on the results modeled by FVCOM, the influence of various cold-air outbreaks on the maximum surge in the Bohai Sea and the probability of the surge elevation at three typical tide gauges were investigated. Finally, a powerful decision-making tool to estimate storm surges induced by cold-air outbreaks was provided.

Keywords

Storm surge Cold-air outbreak The Bohai Sea 

Notes

Acknowledgments

This study was supported by the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period (2006BAC03B01). The authors would like to express their sincere gratitude to Changsheng Chen and his group for kindly providing the FVCOM code and Shanhong Gao for offering the meteorology data by MM5. Suggestions and advices from Jilin Sun, Gang Fu, Lifang Sheng, and Shuhong Yue about constructing the cold high scenarios also should be well appreciated.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Physical Oceanography LaboratoryOcean University of ChinaQingdaoChina

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