Research Article
The Risk Assessment of Debris Flow Hazards in Banshanmen Gully Based on the Entropy Weight-Normal Cloud Method
Table 1
The standard classification of assessment index about debris flow.
| | Risk level | Assessment indices | | X1 (%) | X2 (%0) | X3 (0) | X4 (km) | X5 (104 m3/km2) | X6 (104 m3) | X7 (mm) |
| | I | 0∼10 | 0∼52 | 0∼10 | 0∼1 | 0∼1 | 0∼1 | 0∼50 | | II | 10∼30 | 52∼105 | 10∼30 | 1∼5 | 1∼5 | 1∼10 | 50∼100 | | III | 30∼60 | 105∼213 | 30∼50 | 5∼10 | 5∼10 | 10∼35 | 100∼500 | | IV | >60 | >213 | 50∼90 | >10 | >10 | >35 | >500 |
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