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Volume 40 Issue 3
Mar.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(3): 314-320.
Zheng Chongwei, Pan Jing, Huang Ganget al. Forecasting of the China Sea ditching probability using WW3 wave model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(3): 314-320. doi: 10.13700/j.bh.1001-5965.2013.0247(in Chinese)
Citation: Zheng Chongwei, Pan Jing, Huang Ganget al. Forecasting of the China Sea ditching probability using WW3 wave model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(3): 314-320. doi: 10.13700/j.bh.1001-5965.2013.0247(in Chinese)
shu

Forecasting of the China Sea ditching probability using WW3 wave model

doi: 10.13700/j.bh.1001-5965.2013.0247
  • 1.

    Unit 92538 of People's Liberation Army, Dalian 116041, China

  • 2. Institute of Atmospheric Physics, the Chinese Academy of Sciences, Beijing 100029, China

  • Received Date: 08 May 2013
  • Publish Date: 20 Mar 2014
    Abstract
  • The ocean wave has a significant influence on the ditching probability. Comprehensively considering the standard deviation of the flying height of the sea-skimming aircraft, standard deviation of the ocean wave, the numerical forecasting of the ditching probability was developed, by using WW3 (WAVEWATCH-Ⅲ) wave model and T639 forecasting wind field data. The results provide a scientific reference for the route planning of sea-skimming aircraft. The ditching probabilities of 5 meters, 10 meters and 15 meters above the sea surface were calculated and contrasted. Results show that the WW3 wave model can forecast the China Sea wave field and ditching probability properly, with T639 forecasting wind field data as the driving field. Under the influence of the cold air, the China Sea ditching probability increases significantly. The ocean wave would cause a great threat to the security of sea-skimming aircraft when the flying height is below 10 meters.

     

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