Table 3. RMSe (cm) and Root-Sum-Square (cm) Between the Interpolated Tidal Signal From Various Models and Tide Gauges for the Four Major Tidal Constituents for the Four In Situ Data Setsa


Wave	Resolution and RMSe (cm)
DTU10 (0.125degree)	FES2004 (0.125degree)	EOT10a (0.125degree)	TPXO7.2 (0.25degree)	GOT4.7 (0.5degree)	HAMTIDE11a (0.125degree)

ST-102 (102)b
M2	1.23	1.33	1.30	1.29	1.29	1.31
S2	0.86	0.89	0.87	0.89	0.92	0.90
K1	1.08	1.09	1.05	1.20	1.12	1.18
O1	0.92	0.93	0.91	0.94	0.97	1.02
RSS	2.07	2.15	2.09	2.19	2.17	2.30

World Ocean Circulation Experiment (199)
M2	2.89	2.90	2.80	4.20	5.89	6.09
S2	1.72	1.71	1.61	2.23	2.41	3.09
K1	1.88	2.05	1.90	2.23	2.05	1.53
O1	1.76	1.73	1.69	2.01	1.81	1.75
RSS	4.24	4.30	4.11	5.62	6.93	7.16

Northwest European Shelf Region (195)
M2	12.58	14.63	14.18	15.13	16.40	23.03
S2	8.24	9.15	8.65	6.80	7.98	10.09
K1	1.46	1.65	1.59	1.56	1.51	1.78
O1	1.10	1.21	1.36	1.21	1.30	1.66
RSS	15.15	17.38	16.74	16.70	18.35	25.27

East Asian Marginal Seas (207)
M2	14.41	22.21	17.80	25.35	13.65	16.05
S2	8.08	10.44	8.68	11.29	8.17	10.00
K1	3.53	4.84	4.05	7.36	4.16	5.37
O1	3.21	4.15	3.57	6.30	3.47	4.44
RSS	17.20	25.36	20.53	29.39	16.80	20.16

aNumbers marked in bold indicate the smallest RMSe and root-sum-square (RSS) among the various models.
bData set and number of data.