Sequence of testing of the ERI method
| Phase | Purpose | Number of sites used | Source of information | Test carried out by |
|---|---|---|---|---|
| 1 | Selection of variables. Determination of calculation method. Assessment of whether method correctly identifies sites particularly susceptible to bank erosion | 13 | Assets selected from online asset database that SW considered to be particularly susceptible to bank erosion | UoG (1 geomorphologist) |
| 2 | User bias | 31 | Online asset database | UoG (1 geomorphologist) and SW (3 assessors) |
| 3 | Consistency of methodology I | 23 | Online asset database for all sites in Outer Hebrides; field inspection | UoG (field-based geomorphologist) and SW (database) |
| 4 | Consistency of methodology II | 118 | Random selection from online asset database | UoG (1 geomorphologist) and SW (1 assessor) |
| 1 | Selection of variables. Determination of calculation method. Assessment of whether method correctly identifies sites particularly susceptible to bank erosion | 13 | Assets selected from online asset database that SW considered to be particularly susceptible to bank erosion | UoG (1 geomorphologist) |
| 2 | User bias | 31 | Online asset database | UoG (1 geomorphologist) and SW (3 assessors) |
| 3 | Consistency of methodology I | 23 | Online asset database for all sites in Outer Hebrides; field inspection | UoG (field-based geomorphologist) and SW (database) |
| 4 | Consistency of methodology II | 118 | Random selection from online asset database | UoG (1 geomorphologist) and SW (1 assessor) |
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