Table 4 Percentage of land cover classes at different flood vulnerability level in the flood attenuation (FA) zone
Vulnerability level | Water body (%) | Built-up area (%) | Grassland (%) | Forest (%) | ||||
|---|---|---|---|---|---|---|---|---|
1999 | 2019 | 1999 | 2019 | 1999 | 2019 | 1999 | 2019 | |
Low | 100 | – | – | – | – | – | – | – |
Moderate | – | – | 100 | 1.65 | 2.78 | – | – | 1.97 |
High | – | 18.92 | – | 27.22 | 97.22 | – | 3.2 | 14.39 |
Very high | – | 81.08 | – | 71.13 | – | 100 | 96.8 | 83.64 |