Table 4 Changes in road network connectivity across various rainfall events.
From: Flood impacts on urban road connectivity in southern China
Index of road network connectivity | Original road network | Un-flooded road segments under different return periods of rainfall | |||||
|---|---|---|---|---|---|---|---|
2a | 5a | 10a | 20a | 50a | 100a | ||
LNR | 1.30 | 1.12 | 1.06 | 1.03 | 0.98 | 0.95 | 0.91 |
ID | 7.52 | 6.86 | 6.44 | 6.19 | 5.84 | 5.49 | 4.91 |
RND | 3.62 | 2.46 | 2.12 | 1.9 | 1.7 | 1.54 | 1.31 |
RNCI | 1.00 | 0.82 | 0.75 | 0.71 | 0.67 | 0.63 | 0.57 |
