Open Access
Table 2
Values of hyper-parameters.
| Symbol | Descriptor | Unit | Value |
|---|---|---|---|
| Δt | Time step | (s) | 300 |
| glevel | Grid refinement level | (−) | 5 |
| vlevel | Number of vertical levels | (−) | 40 |
| Dhyp,h | Horizontal 6th-order hyperdiffusion coefficient | (−) | 0.0025 |
| Dhyp,v | Vertical 6th-order hyperdiffusion coefficient | (−) | 0.001 |
| Ddiv | 4th -order divergence damping coefficient | (−) | 0.01 |
| ksp | Sponge layer strength (Horizontal/Vertical) | (s−1) | 10−3/10−4 |
| ηsp | Bottom of sponge layer (fraction of ztop) | (−) | 0.8 |
| ηlats | Number of latitude bins used in sponge layer | (−) | 20 |
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