
| Travelling time in days mean std (median) | Mean speed in cm s ¯ ¹ | |
|---|---|---|
| Section 1 | 21.3 ± 7.49 (19.2) | 32.2 |
| North Branch Section 2   South Branch | 49.3 ± 8.9 (45.5) 114 ± 40.3 (40.3) | 18.9 17.9 |
| Section 3 | 87.4 ± 29.4 (85) | 10.6 |
| Section4 | 37.6 ± 15.6 (37.3) | 18.5 |