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Wu Huiding, Yang Xuelian, Bai Shan. A baroclinic typhoon model with a moving multi-nested grid and variational adjustment initialisation Ⅰ. Numerical method[J]. Haiyang Xuebao, 1998, 20(4): 38-46.
Citation: Wu Huiding, Yang Xuelian, Bai Shan. A baroclinic typhoon model with a moving multi-nested grid and variational adjustment initialisation Ⅰ. Numerical method[J]. Haiyang Xuebao, 1998, 20(4): 38-46.

A baroclinic typhoon model with a moving multi-nested grid and variational adjustment initialisation Ⅰ. Numerical method

  • Received Date: 1997-01-05
  • Rev Recd Date: 1997-06-06
  • A baroclinic typhoon model with a moving multi-nested grid is.applied in marine environmental forecasts.The σ-coordinate primitive eyuations are used as governing eyuations in the model.The model with four uneven layers in the vertical and Arakawa-B grid in the horizontal is used in the National Marine Env,rnnmental Forecasting Centre of China.Finite differencing scheme for the model satisfies the conservation of momentum anti energy.The governing equations of the model are split into two parts which represent advection process and adjustment process,respectively.And different integration schemes with different time steps are employed for the two parts,respectively,according to the features of different processes in atmospheric motion.The forecasting and hindcasting show this numerical method can save computation time while having stable prediction results.
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