Table 4. RMSe (cm) and RSS (cm) Between the Tidal Amplitudes From Model Outputs and Tide Gauge Measurements for the Four Major Tidal Constituents in the Arctic and Southern Ocean, Respectivelya


Data Set and Number of Data	Wave	Resolution and RMSe (cm)
DTU10 0.125degree	FES2004 0.125degree	EOT10a 0.125degree	TPXO 7.2 0.25degree	GOT 4.7 0.5degree	HAMTI E11a 0.125degree	AOTIM 5 km

Arctic (151)	M2	5.35	5.94	5.93	14.31	6.83	6.38	15.94
	S2	2.91	2.92	2.92	4.36	3.38	3.19	6.54
	K1	2.48	2.68	2.67	3.56	3.70	2.70	3.81
	O1	1.71	1.89	1.91	9.08	1.89	1.72	1.92
	RSS	6.79	7.38	7.38	17.86	8.68	7.82	17.75
Data Set and Number of Data	Resolution and RMSe (cm)
Wave	DTU10 0.125degree	FES2004 0.125degree	EOT10a 0.125degree	TPXO 7.2 0.25degree	GOT 4.7 0.5degree	HAMTIDE11a 0.125degree	CADA 00.10
The Southern Ocean (37)	M2	2.83	3.17	3.15	4.65	4.86	14.12	4.05
	S2	3.84	3.82	3.82	4.56	4.40	9.80	4.55
	K1	4.03	4.31	4.28	5.18	6.72	6.83	4.78
	O1	4.67	4.85	4.82	4.73	5.46	6.96	3.93
	RSS	7.80	8.17	8.13	9.57	10.86	19.72	8.68

aNumbers marked in bold indicate the smallest RMSe and RSS among the various.