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The coupled model is described in Hudson et al (2017) and Wedd et al (2022).
2.1 Atmosphere and land surface
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2.2 Ocean and cryosphere
| Ocean model | NEMO v3.4 (Madec et al. 2023; Megann et al. 2014) |
|---|---|
| Horizontal resolution | ORCA 0.25 |
| Vertical resolution | L75. Level thicknesses range from 1 m near the surface to ~200 m near the bottom (6000-m depth) |
| Time step | |
| Sea ice model | CICE v3.1 (Hunke and Lipscomb 2010; Rae et al. 2015) |
| Sea ice model resolution | ORCA 0.25 |
| Sea ice model levels | |
| Wave model | N/A |
| Wave model resolution | N/A |
Detailed documentation: NEMO documentation, CICE documentation
3. Boundary
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conditions - climate forcings
| Greenhouse gases | |
|---|---|
| Ozone | |
| Tropospheric aerosols | |
| Volcanic aerosols | |
| Solar forcing |
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| Hindcast | Forecast | |
|---|---|---|
| Atmosphere initialization | ERA-Interim ( Dee et al. 2011) or the Bureau’s 4D-Var analysis (Bureau of Meteorology 2019a) | |
| Atmosphere IC perturbations | Hudson et al 2017 | |
Land Initialization | ||
| Land IC perturbations | ||
| Soil moisture initialization | ||
| Snow initialization | ||
| Unperturbed control forecast? |
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