Research Article
Soil and Water Conservation Effects of Contour Reverse Slope Terraces on Red Clay Sloping Farmland against Short and Heavy Rainfall
Table 6
Regulating ratios in runoff of contour reverse slope terraces.
| | Rainfall intensity (mm/h) | Bedrock porosity (%) | Surface cumulative runoff modulus () | Underground cumulative runoff modulus () | | Contour reverse slope terrace | Bare slope | Regulating ratio | Average regulating ratio | Contour reverse slope terrace | Bare slope | Regulating ratio | Average regulating ratio |
| | 15 | 1 | 1601.33 | 4429.53 | -64% | -71% | 1743.73 | 1268.73 | 37% | 34% | | 3 | 131.89 | 344.31 | -62% | 3088.62 | 2247.89 | 37% | | 5 | 45.80 | 350.49 | -87% | 3146.64 | 2490.49 | 26% |
| | 30 | 1 | 5853.67 | 12616.27 | -54% | -52% | 2915.98 | 1479.73 | 97% | 94% | | 3 | 4905.51 | 8686.82 | -44% | 4071.64 | 1608.98 | 153% | | 5 | 1585.96 | 3967.47 | -60% | 4936.87 | 3775.18 | 31% |
| | 50 | 1 | 8907.80 | 19207.22 | -54% | -47% | 4111.11 | 2164.36 | 90% | 45% | | 3 | 7278.82 | 13699.38 | -47% | 3574.50 | 2577.56 | 39% | | 5 | 6357.71 | 10752.33 | -41% | 4404.00 | 4103.78 | 7% |
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