Table 2 Total surface runoff and interflow in the test plot under different rainfall intensity conditions.
Rainfall intensity (mm/min) | Rainfall duration (min) | PM | RT | DT | CT | ||||
|---|---|---|---|---|---|---|---|---|---|
Surface runoff (L) | Interflow (L) | Surface runoff (L) | Interflow (L) | Surface runoff (L) | Interflow (L) | Surface runoff (L) | Interflow (L) | ||
0.94 | 60 | 24.08a | 19.65c | 2.44b | 42.91bc | 47.64a | 0.51c | 3.18b | 51.70 a |
1.15 | 60 | 22.45a | 25.34b | 1.47b | 57.42a | 56.21a | 0.98c | 1.46b | 32.31b |
2.35 | 60 | 130.50a | 56.40b | 7.63c | 61.87b | 122.90a | 17.90c | 53.50b | 177.90a |
2.61 | 60 | 128.80a | 41.54c | 20.82b | 149.00a | 191.90a | 22.86d | 11.70b | 86.60b |
Total | 305.83b | 142.93b | 32.36c | 311.2a | 418.65a | 42.25c | 69.84c | 348.51a | |
Proportion of surface runoff/ interflow | 68.15% | 31.85% | 9.42% | 90.58% | 90.83% | 9.17% | 16.69% | 83.31% | |