Open Access
Table 2
Secondary parameters governing clouds, convection, and numerics2.
| Symbol | Descriptor | Unit | Value |
|---|---|---|---|
| Cloud physics | |||
| τdeep | Deep vapor replenishment timescale | (s) | 103 |
| χv,deep | Deep vapor VMR | (−) | [1.17, 2.63, 8.20] × 10−7 * |
| Σ | Particle-size-distribution std. | (−) | 2.0 |
| rm | Median particle size | (m) | 10−6 |
| τc | Cloud condensation timescale | (s) | 120 |
| Thermal perturbations | |||
| nburn | Burn-in iterations | (−) | 100 |
| tstorm | Storm timescale | (s) | 105 |
| Tamp | Perturbation amplitude | (Ks−1) | [2.15, 6.80, 17.4] × 10−5 ‡ |
| prcb | Perturbation boundary level | (bar) | 10 |
| nf | Forcing wavenumber | (−) | 40 |
| Time-stepping | |||
| ∆tdyn | Dynamical time step | (s) | 100 |
| ∆tMLT | Mixing-length time step | (s) | 0.5 |
| Numerical hyperparameters | |||
| glevel | Grid-refinement level | (−) | 6,7‡ |
| vlevel | Number of vertical levels | (−) | 50 |
| Dhyp,h | 6th -order horiz. hyperdiffusion | (−) | 0.001 |
| Dhyp,v | 6th-order vert. hyperdiffusion | (−) | 0.001 |
| Ddiv | 4th -order divergence damping | (−) | 0.01 |
| ksp | Sponge-layer strength (horizontal/vertical) | (s−1) | 10−3/10−4 |
| ηsp | Bottom of sponge layer (z/ztop) | (−) | 0.8 |
| ηlats | Latitude bins in sponge layer | (−) | 20 |
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