Eleven tidal constituents K_1, O_1, P_1, Q_1, M_2, S_2, N_2, K_2, M_4, MS_4 and M_6, which are extracted from 10 years TOPEX/Poseidon altimetry data along track points in the Bohai and Yellow Seas, are assimilated syn...Eleven tidal constituents K_1, O_1, P_1, Q_1, M_2, S_2, N_2, K_2, M_4, MS_4 and M_6, which are extracted from 10 years TOPEX/Poseidon altimetry data along track points in the Bohai and Yellow Seas, are assimilated synchronously into a two-dimension non-linear tidal model with adjoint method. And the bias between calculations and observations are provided. The deviations of M_2 are 7.1×10~ -2 m in amplitude and 4.7° in phase-lag. Those of O_1 are 2.8×10~ -2 m and 5.4° accordingly. Compared with other models, our discrepancy is less. It is shown that the precision of the model is more accurate. The co-tidal charts of the eleven constituents are also drawn. The general patterns are in good agreement with those literatures cited.展开更多
文摘Eleven tidal constituents K_1, O_1, P_1, Q_1, M_2, S_2, N_2, K_2, M_4, MS_4 and M_6, which are extracted from 10 years TOPEX/Poseidon altimetry data along track points in the Bohai and Yellow Seas, are assimilated synchronously into a two-dimension non-linear tidal model with adjoint method. And the bias between calculations and observations are provided. The deviations of M_2 are 7.1×10~ -2 m in amplitude and 4.7° in phase-lag. Those of O_1 are 2.8×10~ -2 m and 5.4° accordingly. Compared with other models, our discrepancy is less. It is shown that the precision of the model is more accurate. The co-tidal charts of the eleven constituents are also drawn. The general patterns are in good agreement with those literatures cited.
