Effects of Rainfall Intensity and Vegetation Cover on Erosion Characteristics of a Soil Containing Rock Fragments Slope

Table 2

Accumulated runoff volumes and sediment loads under different vegetation covers and rainfall intensities.

Rainfall intensity (mm/h)	Plots
	CK	S1	S2	S3	S4	S5	S6	S7
Runoff rate (cm/s)
60	21.3	3.9	3.3	2.6	5.5	4.5	5.1	2.4
90	29.1	7.2	6.1	4.9	8.2	6.1	7.5	4.7
120	42.9	12	9.9	7.2	10.9	8.3	8.7	6.2
Runoff volume (L)
60	58.02	22.48	15.9	12.45	31.75	27.16	28.5	11.31
90	92.44	55.5	45.63	33.72	61.36	52.24	53.75	31.94
120	133.66	114.52	98.28	79.19	107.25	97.05	93.68	70.61
Sediment rate (g/min)
60	9.93	0.38	0.21	0.15	1.00	0.28	0.55	0.09
90	26.62	0.58	0.42	0.31	3.37	1.73	2.15	0.41
120	93.65	16.02	9.87	6.34	13.71	7.64	11.34	5.09
Sediment load (g)
60	297.86	11.38	6.23	4.59	29.88	8.46	16.62	2.65
90	798.55	17.33	12.7	9.34	101.02	51.99	64.6	12.38
120	2809.42	480.69	296.11	190.2	411.3	229.25	340.22	152.55