Computations and Analyses of Chart Datum to Coastal Tide Gauges of China
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Abstract
15 typical tidal gauges along the coast of China are selected for the research of their chart datum.The harmonic constants are analyzed through the least squares with multi-year water level observations.The stability for the datum values computed through different algorithms are studied according to statistics.The algorithms of the correction of shallow water tides and long period tides to the lowest normal low water(LNLW) are renewed.
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