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Table A-3. Environmental Sensitivity Index
(ESI) Shore Type classification
(after Peterson et al. [2002])
ESI No. |
Description |
1A |
Exposed rocky shores; exposed rocky banks |
1B |
Exposed, solid man-made structures |
1C |
Exposed rocky cliffs with boulder talus base |
2A |
Exposed wave-cut platforms in bedrock, mud, or clay |
2B |
Exposed scarps and steep slopes in clay |
3A |
Fine- to medium-grained sand beaches |
3B |
Scarps and steep slopes in sand |
3C |
Tundra cliffs |
4 |
Coarse-grained sand beaches |
5 |
Mixed sand and gravel beaches |
6A |
Gravel beaches; Gravel Beaches (granules and pebbles |
6B |
Gravel Beaches (cobbles and boulders) |
6C |
Rip rap (man-made) |
7 |
Exposed tidal flats |
8A |
Sheltered scarps in bedrock, mud, or clay; Sheltered rocky shores (impermeable) |
8B |
Sheltered, solid man-made structures; Sheltered rocky shores (permeable) |
8C |
Sheltered rip rap |
8D |
Sheltered rocky rubble shores |
8E |
Peat shorelines |
9A |
Sheltered tidal flats |
9B |
Vegetated low banks |
9C |
Hypersaline tidal flats |
10A |
Salt- and brackish-water marshes |
10B |
Freshwater marshes |
10C |
Swamps |
10D |
Scrub-shrub wetlands; ,angroves |
10E |
Inundated low-lying tundra |