Table 1 Configurations of the regional ocean model system (NP10, JPN02) and the ocean reanalysis (FORA-WNP30, Usui et al. 2017)
NP10 | JPN02 | FORA-WNP30 | |
|---|---|---|---|
Use | Reginal ocean model (outer) | Regional ocean model (inner) | Reference data |
Domain | 100° E–75° W, 15° S–70° N (Fig. 1a) | 122.6° E–150° E, 23.7° N–47.5° N (Fig. 1b) | 117° E–160° W, 15° N–65° N (gray rectangle in Fig. 1a) |
Model code | MRI.COMv4 (Tsujino et al. 2017) | MRI.COMv4 (Tsujino et al. 2017) | MRI.COM ver2.4 (Tsujino et al. 2010) |
Resolution (hor.) | 1/10° × 1/10° (approx. 10 km) | 1/30° × 1/50° (approx. 2 km) | 1/10° × 1/10° |
Resolution (vert.) | 1 m (surface)–600 m (bottom) | Same as the NP10 | Same as the NP10 |
Grid size | 1852 × 852 (hor.), 54 (vert.) | 826 × 1194 (hor.), 54 (vert.) | 673 × 442 (hor.), 54 (vert.) |
Atmos. forcing | JRA-55, CMIP5 (3-hourly) | JRA-55, CMIP5 (3-hourly) | JRA-55 (3-hourly) |
Lateral boundary condition | WOA monthly T/S climatology, kinematically no flux | One-way nesting with the NP10 | WOA monthly T/S climatology |
Surface restoring | WOA monthly SSS | Climatological monthly SSS from the NP10 | WOA monthly SSS |
River input | N/A | JRA55-do (Suzuki et al. 2018) based data | N/A |
Physical processes | Included: Sea-ice, fresh water in terms of salt flux. Not included: tides, river input, thermal expansion. | Included: Sea-ice, fresh water in terms of salt flux, river input. Not included: tides, thermal expansion. | Included: Sea-ice, fresh water in terms of salt flux. Not included: tides, river input, thermal expansion. |