A numerical storm surge forecast model with Kalman filter

YU Fu-jiang; ZHANG Zhan-hai; LIN Yi-hua

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YU Fu-jiang, ZHANG Zhan-hai, LIN Yi-hua. A numerical storm surge forecast model with Kalman filter[J]. Haiyang Xuebao, 2002, 24(5): 26-35.

Citation:

YU Fu-jiang, ZHANG Zhan-hai, LIN Yi-hua. A numerical storm surge forecast model with Kalman filter[J]. Haiyang Xuebao, 2002, 24(5): 26-35.

YU Fu-jiang, ZHANG Zhan-hai, LIN Yi-hua. A numerical storm surge forecast model with Kalman filter[J]. Haiyang Xuebao, 2002, 24(5): 26-35.

Citation:

YU Fu-jiang, ZHANG Zhan-hai, LIN Yi-hua. A numerical storm surge forecast model with Kalman filter[J]. Haiyang Xuebao, 2002, 24(5): 26-35.

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A numerical storm surge forecast model with Kalman filter

1.
National Marine Environment Forecasting Center, Beijing 100081, China
2.
LASG, Institute of Atmosphere Physics, Chinese Academy of Sciences, Beijing 100029, China

Received Date: 2001-03-28
Rev Recd Date: 2001-07-22

Abstract

Abstract

Kalman filter data assimilation technique is incorporated into a standard two-dimensional linear storm surge model.Imperfect model equation and imperfect meteorological forcing are accounted for by adding noise terms to the momentum equations.The deterministic model output is corrected by using the available tidal gauge station data.The stationary Kalman filter algorithm for the model domain is calculated by an iterative procedure using specified information on the inaccuracies in the momentum equations and specified error information for the observations.An application to a real storm surge that occurred in the summer of 1956 in the East China Sea is performed by means of this data assimilation technique.The result shows that Kalman filter is useful to storm surge forecast and hindcast.
- storm surge model,
- Kalman filter

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References(13)

References

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