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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 Summary of harmonic analysis results for the eight major tidal constituents and selected shallow-water tidal constituents

From: Tidal asymmetry and transition in the Singapore Strait revealed by GNSS interferometric reflectometry

Tidal constituent

Amplitude (cm)

Phase (degree)

SNSC

TP

SSTS

SNSC

TP

SSTS

Eight major tidal constituents

\({ M}_{2}\)

75.6 ± 0.1

80.2 ± 0.1

85.4 ± 0.1

90.7 ± 0.1

91.5 ± 0.1

101.4 ± 0.1

\({ S}_{2}\)

29.9 ± 0.1

32.4 ± 0.1

38.4 ± 0.2

137.2 ± 0.2

137.4 ± 0.2

147.0 ± 0.2

\({ N}_{2}\)

14.8 ± 0.1

15.8 ± 0.1

15.7 ± 0.1

69.3 ± 0.5

72.0 ± 0.4

87.1 ± 0.6

\({ K}_{2}\)

10.6 ± 0.1

9.7 ± 0.1

10.9 ± 0.2

135.6 ± 0.5

138.8 ± 0.7

144.0 ± 0.7

\({ K}_{1}\)

28.9 ± 0.1

30.6 ± 0.1

26.4 ± 0.1

346.8 ± 0.2

352.3 ± 0.2

36.1 + 0.2

\({ O}_{1}\)

28.8 ± 0.1

29.5 ± 0.1

23.1 ± 0.1

302.2 ± 0.2

307.4 ± 0.2

351.6 + 0.3

\({ P}_{1}\)

9.1 ± 0.1

9.4 ± 0.1

7.7 ± 0.1

339.2 + 0.7

343.9 ± 0.7

28.5 ± 1.0

\({ Q}_{1}\)

6.5 ± 0.1

6.6 ± 0.1

4.5 ± 0.1

271.8 ± 1.1

276.3 ± 0.9

319.1 ± 1.4

Selected shallow water tidal constituents

\({ M}_{4}\)

1.3 ± 0.1

1.5 ± 0.1

4.1 ± 0.1

211.3 ± 3.4

192.6 ± 2.7

147.8 ± 1.4

\({\mathrm{ MS}}_{4}\)

1.2 ± 0.1

1.7 ± 0.1

3.9 ± 0.1

234.9 ± 3.1

222.6 ± 2.2

187.7 ± 1.3

\({\mathrm{ MK}}_{3}\)

1.8 ± 0.1

1.9 ± 0.1

3.2 ± 0.1

96.9 ± 2.6

105.2 ± 2.6

68.6 ± 1.5

\(\mathrm{ S}{\mathrm{O}}_{3}\)

1.5 ± 0.1

1.7 ± 0.1

2.6 ± 0.1

122.9 ± 2.9

128.3 ± 2.9

86.3 ± 2.0

\({\mathrm{ MO}}_{3}\)

1.3 ± 0.1

1.6 ± 0.1

2.5 ± 0.1

61.2 ± 3.2

71.8 ± 2.8

34.6 ± 1.8

\(2{\mathrm{MS}}_{6}\)

1.4 ± 0.1

1.6 ± 0.1

2.1 ± 0.1

193.4 ± 3.1

186.8 ± 1.2

153.9 ± 1.7

\(\mathrm{ M}{\mathrm{K}}_{4}\)

1.0 ± 0.1

1.1 ± 0.1

1.5 ± 0.1

186.7 ± 4.3

194.0 ± 3.9

185.6 ± 3.8

  1. The uncertainties indicate 95% confidence level based on colored noise