Research Article
Coupling Analysis of Hydrometeorology and Erosive Landforms Evolution in Loess Plateau, China
Table 1
Parameters configuration of Erosive Landform Evolution Index (ELEI).
| Parameters of Erosive Landform Evolution Index | Weihe River | Jinghe River | Beiluo River | Wudinghe River |
| Gully | | | | | Gully density (km/km2) | 0.13 | 0.15 | 0.15 | 0.13 | Runoff (108 m3) | 64.62 | 16.01 | 8.16 | 10.86 | Sediment discharge (108 t) | 2.94 | 2.08 | 0.68 | 0.92 |
| RDLS | | | | | 0–20 | 0.44% | 0.23% | 0.61% | 1.67% | 20–75 | 5.81% | 1.01% | 3.96% | 37.30% | 75–300 | 29.82% | 52.36% | 58.94% | 53.12% | 300–600 | 42.31% | 44.49% | 36.45% | 7.85% | 600–max | 21.62% | 1.91% | 0.04% | 0.06% | Runoff (108 m3) | 64.62 | 16.01 | 8.16 | 10.86 | Sediment discharge (108 t) | 2.942 | 2.083 | 0.682 | 0.916 |
| Slope (°) | | | | | 0~5 | 24.32% | 16.69% | 19.12% | 57.46% | 6~15 | 38.14% | 40.77% | 41.05% | 27.89% | 16~25 | 23.98% | 32.75% | 29.54% | 11.94% | 26~35 | 9.56% | 6.24% | 8.85% | 2.31% | 36~40 | 2.20% | 2.92% | 0.88% | 0.22% | 41~45 | 1.08% | 0.30% | 0.31% | 0.09% | 46~max | 0.73% | 0.34% | 0.24% | 0.09% | Runoff (108 m3) | 64.62 | 8.16 | 16.01 | 10.86 | Sediment discharge (108 t) | 2.942 | 0.682 | 2.083 | 0.916 |
| ELEI | | | | | Gully length (km) | 9334.05 | 3501 | 5865.51 | 4414.58 | RDLS (km2, 20–600 m) | 48825.22 | 26755.75 | 44496.04 | 29713.77 | Slope (km2, 0–25°) | 54150.01 | 24294.27 | 40790.31 | 29417.45 |
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