Table 2
Surface chemistry parameters used in the set-up of seven models.
| Model | Surface competition | Diff./react. tunnelling | Thermal diffusion | Reactive desorption (a) |
|---|---|---|---|---|
| #1 |  |
 |
 |
G07 |
| #2 |  |
 |
 |
M16 |
| #3 |  |
 |
 |
G07 |
| #4 |  |
 |
 |
M16 |
| #5 |  |
 |
 |
G07 |
| #6 |  |
 |
 |
M16 |
| #7 |  |
 |
 |
G07 |
Notes. The present and absent mechanisms in each model are given by the green check markers and red crosses, respectively. (a)G07: reactive desorption expression from Garrod et al. (2007) was adopted. M16: reactive desorption expression from Minissale et al. (2016) was used.
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