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Amplitude and phase of tidal constituents were computed using the tidal
analysis program T_TIDE (Pawlowicz and others, 2002). The
principal
constituents are K1, O1, M2, N2,
and S2. This report includes the full output from T_TIDE for each data record. Data from the entire deployment were used in computation of tidal constituents.
The duration of time-series used to compute the harmonics is different for each instrument, depending on instrument deployment and recovery times and data availability.
Table headings for T_TIDE output:
- tide: tidal constituent freq: frequency (cycles/hour)
-
major: major axis of tidal ellipse (for current observations) (cm/s)
-
emaj: error estimate for major axis (cm/s)
-
minor: minor axis of tidal ellipse (cm/s)
-
emin: error estimate for minor axis (cm/s)
-
inc: inclination of major axis (counter clockwise from east) (degrees)
-
einc: error estimate for inclination (degrees)
-
phase: phase of at time of major axis (degrees)
-
ephase: error estimate of phase (degrees)
-
snr: signal-to-noise ratio
1 Some data were lost at North Flobee as a result of substantial tilt of the instrument.
Significant constituents (those with snr in the last column > 1) from the computed tidal constituents are marked with an asterisk. |
