Table 4 Changes in water resilience zone when parameters are removed
From: Water resilience mapping of Chennai, India using analytical hierarchy process
S. No. | Parameters removed | Water resilience level | Average (%) | ||||
|---|---|---|---|---|---|---|---|
Very low (%) | Low (%) | Moderate (%) | High (%) | Very high (%) | |||
1 | Soil depth | − 38.35 | − 11.63 | − 32.22 |  + 112.06 |  + 6.45 | 40.14 |
2 | Geomorphology | − 27 |  + 84 | − 3 | − 78 | − 97 | 57.82 |
3 | Drainage density |  + 59.85 |  + 2.91 | − 0.99 | − 38.23 | − 35.48 | 27.49 |
4 | Depth to groundwater table |  + 30.49 | − 10.10 | − 11.73 |  + 18.99 |  + 174.19 | 49.10 |
5 | Flood inundation |  + 39.33 | − 17.06 |  + 2.26 | − 8.46 | − 54.84 | 24.39 |
6 | Land use/land cover |  + 2.85 | − 14.65 | − 0.93 |  + 17.83 |  + 51.61 | 17.57 |
7 | Underground sewerage network coverage |  + 24.12 |  + 5.55 |  + 0.24 | − 22.54 |  + 29.03 | 16.40 |
8 | Water supply network coverage |  + 31.27 |  + 5.21 |  + 0.28 | − 26.19 | − 32.26 | 19.04 |
9 | Rainfall | − 3.64 |  + 3.91 | − 12.77 |  + 25.41 |  + 190.32 | 47.21 |
10 | Per capita water supply |  + 8.37 | − 3.77 | − 4.02 |  + 8.51 |  + 16.13 | 8.16 |
11 | Distance to waterbodies |  + 4.18 | − 3.81 | − 3.51 |  + 9.90 |  + 29.03 | 10.09 |
12 | Population density |  + 13.17 | − 2.08 | − 2.18 | − 0.78 |  + 16.13 | 6.87 |
13 | Slope |  + 4.81 | − 5.43 | − 6.66 |  + 18.75 |  + 25.81 | 12.29 |
14 | NDVI |  + 2.50 | − 1.58 | − 1.18 |  + 3.04 |  + 6.45 | 2.95 |
15 | NDWI |  + 3.56 |  + 0.18 |  + 0.71 | − 4.01 | − 6.45 | 2.98 |