Table 1
Model parameters for the different runs presented in this paper.
| Model | Run | Scrit, sil | ainit (cm) | α | np |  |
|---|---|---|---|---|---|---|
| Full temperature-dependent nucleation model | Fiducial | T-dep | 0.1 | 10−3 | 2 × 106 | 0.1 Hg |
| mm and μm | T-dep | 0.1 and 0.0001 | 10−3 | 2 × 105 | 0.1 Hg | |
| Low resolution | T-dep | 0.1 | 10−3 | 2 × 105 | 0.1 Hg | |
| Low α | T-dep | 0.1 | 10−4 | 2 × 106 | 0.1 Hg | |
Large  |
T-dep | 0.1 | 10−3 | 2 × 106 | 1 Hg | |
| Simple model | mm and μm | 1 | 0.1 and 0.0001 | 10−3 | 2 × 105 | 0.1 Hg |
Notes. The first two columns give the model and run. The critical saturation ratio needed for heterogeneous nucleation is given in the third column, and can be either temperature dependent, in the full temperature-dependent nucleation model where we differentiate between heterogenous nucleation and depositional growth, or Scrit, sil = 1 for the simple model where these two processes are treated equally. The initial particle sizes, turbulent α-parameter, number of particles, and scale height for water vapour and particles are given in Cols. 4–7. The number of grid cells in the radial direction is nr = 2× 103 for all runs.
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