Semi - diurnal constituent is the dominant component tides in this area . the co - tidal and co - range charts show that neither semi - diurnal constituents nor diurnal constituents have tide - free points . only the shallow constituents m4 and ms4 respectively have three and two tide - free points
2.
The assimilation scheme uses a blending approach based on optimal linear interpolation . the improvement is 45 % for the phase - lag of s2 after assimilating the altimetric data of the crossover points , while the correction for the diurnal constituents is not so good as for semidiurnal constituents
3.
The diurnal constituents at some of the crossover points and all of the semi - diurnal constituents at all of the crossover points as well as 16 tidal gauge data are assimilated in the ocean model , this is because the assimilation of the diurnal constituents at some crossover points make the result worse . the improvement is 36 % for m2 , 54 % for s2 , 42 % for k , , 30 % for 01 compared with the results of dynamic model without assimilation . in the stratified ocean , mixing controls the intensity of the ocean current
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