Table 1.
Volume balance components
| Volume [km3] | Source |
|---|---|
| 2±1 × 102 | Interior channels |
| 8.1±13 × 102 | Exterior valley network (inc. Farah Vallis) |
| ≤ 2.4 × 102 | Overland flow |
| 9.4±0.1 × 103 | Mound volume |
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