Table 3 Decision matrix for digitalizing structural elements
Characteristics | Structure | (possible) Alternative | ||||||
|---|---|---|---|---|---|---|---|---|
Channel | River corridor | Island(s) | ||||||
No. of channels | Enlarged | Flow distribution | Widening | Size | Number | Vegetated | ||
1 | Yes | - | No | Small | More than 1 | No | Braided river | Island |
Maybe | - | No | Small to medium | 1 | No | Island | Braided river (beginning/end of section) | |
No | - | No | Maybe | Island | ||||
1 or 2 | Yes | - | Maybe | Medium to large | 1 | Yes | Island | Anastomosing river |
More than 1 | Yes | Evenly | Maybe | Medium to large | 1 or more | Yes | Anastomosing river | Island(S) |
Yes | Large | 1 or more | Yes | Anastomosing river | ||||
2 | - | Uneven | Yes | Large | 1 | Yes | Side arm | Anastomosing river |
Definitely uneven | Yes | Large | 1 | Yes | Side arm | |||