In this paper,a new model of node and perigee correction by using amplitude ratio and phase lag differences of ac-tual constituents from the analyzed results of long term tidal stations is developed for tidal parameter refining and precision of tidal analysis and prediction improving.In this paper,the derivation process and calculation method of the constituents combined model is shown,the short term tidal analysis is done in the use of amplitude ratio and phase lag differences of chosen constituents which come from the 19 years tidal analysis of 548 constituents in one Xiamen tidal station.The experiment for tidal analysis of monthly and yearly water level observation series indicates that the results are closer to ones from long term tidal analysis,the accuracy of harmonic constants are improved effectively.
关键词
振幅比/迟角差/交近点改正/验潮站
Key words
amplitude ratio/phase lag difference/node and perigee corrected/tide station
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