Table 3 Changes in road network characteristics across various rainfall scenarios.
From: Flood impacts on urban road connectivity in southern China
Characteristics of the road network | Original road network | Un-flooded road segments under different return periods of rainfall | |||||
---|---|---|---|---|---|---|---|
2a | 5a | 10a | 20a | 50a | 100a | ||
Number of road segments | 511 | 390 | 343 | 317 | 285 | 259 | 218 |
Length of roads (km) | 155.6 | 105.9 | 91.1 | 81.5 | 72.9 | 66.4 | 56.4 |
Number of road intersections | 323 | 295 | 277 | 266 | 251 | 236 | 211 |
Number of road endpoints | 71 | 52 | 46 | 43 | 40 | 37 | 28 |