Research Article
The Influence of the Instantaneous Collapse of Tailings Pond on Downstream Facilities
Table 1
Roughness coefficient
n of the natural river bed [
36].
| Pattern of riverbed | Minimum value | Normal value | Maximum value |
| Flooded path with many weeds and deep pools or trees and undergrowth that severely retard water | 0.075 | 0.100 | 0.150 | No plants on the riverbed, the mountains on both side are steep,and trees and shrubs on the river banks are flooded at high water levels | 0.030 | 0.040 | 0.050 |
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