Table 1 Index factors for risks of channel navigation
From: A risk evaluation model for channel navigation based on the gray-fuzzy theory
No. | Index factor | No. | Index factor | No. | Index factor |
|---|---|---|---|---|---|
X 1 | Wind | X 8 | Width of channel | X 15 | Traffic flow |
X 2 | Wave | X 9 | Length of channel | X 16 | Maritime control |
X 3 | Current | X 10 | Channel bending | X 17 | Navigation facilities |
X 4 | Tide | X 11 | Obstruction | X 18 | Management system |
X 5 | Visibility | X 12 | Hydraulic structure | X 19 | VTS coverage |
X 6 | Precipitation | X 13 | Turning point | X 20 | Salvage from the shore |
X 7 | Depth of channel | X 14 | Channel intersection |