Research Article
GIS Based Approach for Vulnerability Assessment of the Karnataka Coast, India
Table 4
Ranges of variables for vulnerability ranking.
| Variable | Ranking of vulnerability | 1 | 2 | 3 | 4 | 5 |
| Coastal slope (%) | >0.60 | 0.5–0.6 | 0.4–0.5 | 0.3–0.4 | <0.3 | Mean tide range (m) | <1.0 | 1.0–2.0 | 2.0–3.0 | 3.0–4.0 | >4.0 | Regional elevation (m) | <10 | 10–20 | 20–30 | 30–40 | >40 | Shoreline change rate (m year−1) | >+2.0 | +1.0 to +2.0 | −1.0 to +1.0 | −2.0 to −1.0 | <−2.0 | Mean significant wave height (m) | <0.7 | 0.7–1.4 | 1.4–2.1 | 2.1–2.8 | >2.8 | Population (person per 200 m2) | <19 | 44–20 | 80–45 | 326–81 | >326 |
|
|