engleski

Syntethically generated errors in tidal constituents

The paper comprises the calculations of amplitudes and phases of tidal harmonic constituents, performed on hourly sea level data recorded at Split tide gauge in the period 1957-2001. Interannual changes have been detected, stronger in phases than in amplitudes. The differences are presumably generated by clock error, uncertainties in time positioning of the charts and the errors within the digitalisation process. Therefore, two groups of artificial sea level series have been generated, in order to simulate time drift and shift in the series and to verify their impact on the constituents.

tide gauge; chart record; harmonic analysis

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