Soil and Water Conservation Effects of Contour Reverse Slope Terraces on Red Clay Sloping Farmland against Short and Heavy Rainfall

Table 3

Surface and underground cumulative sediment modulus and proportions in light of different bedrock porosities and rainfall intensities.

Rainfall intensity (mm/h)	Bedrock porosity (%)	(ml/m^2)	(ml/m^2)	(%)	(%)
15	1	4.84	0.09	98.2	1.8
	3	1.60	0.20	88.9	11.1
	5	1.20	0.22	84.4	15.6
30	1	32.96	0.18	99.5	0.5
	3	16.29	0.20	98.8	1.2
	5	2.96	0.29	91.1	8.9
50	1	54.20	0.22	99.6	0.4
	3	29.07	0.24	99.2	0.8
	5	23.89	0.53	97.8	2.2

Note: = surface cumulative sediment modulus; = underground cumulative sediment modulus; = surface sediment proportion; = underground sediment proportion.