Semi-Idealized Study on Estimation of Partly and Fully Space Varying Open Boundary Conditions for Tidal Models
Table 1
Error statistics for SEa 1–7 and SEb 1–7.
Exp.
(m)
Before
After
Before
After
Inversion strategy 1
SEa 1
2
0.00
4979.7808
0.0000
0.3500
0.0000
SEa 2
6
0.00
4229.2929
0.0000
0.3332
0.0000
SEa 3
10
0.00
4549.4140
0.1565
0.3055
0.0059
SEa 4
14
0.00
3966.8884
0.1393
0.3121
0.0091
SEa 5
18
0.00
3546.1967
1.0772
0.3014
0.0334
SEa 6
22
0.00
3319.5297
0.7163
0.3066
0.0451
SEa 7
26
0.00
3776.7236
1.2877
0.3124
0.0737
Inversion strategy 2
SEb 1
2
0.00
4979.7808
0.0057
0.3500
0.0101
SEb 2
6
0.00
4229.2929
0.0054
0.3332
0.0125
SEb 3
10
0.00
4549.4140
0.0132
0.3055
0.0152
SEb 4
14
0.00
3966.8884
0.0111
0.3121
0.0194
SEb 5
18
0.00
3546.1967
0.0225
0.3014
0.0472
SEb 6
22
0.00
3319.5297
0.4051
0.3066
0.0662
SEb 7
26
0.00
3776.7236
1.0224
0.3124
0.0783
is the number of feature points for PDs 1–7 prescribed in semi-idealized experiments. is the value of maximum percentage error. is the data misfit before and after assimilation. is the mean absolute difference between prescribed and inverted Fourier coefficients.