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

Table 1

Surface and underground cumulative runoff 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	4429.53	1268.73	77.7	22.3
	3	344.31	2247.89	13.3	86.7
	5	350.49	2490.49	12.3	87.7
30	1	12616.27	1479.73	89.5	10.5
	3	8686.82	1608.98	84.4	15.6
	5	3967.47	3775.18	51.2	48.8
50	1	19207.22	2164.36	89.9	10.1
	3	13699.38	2577.56	84.2	15.8
	5	10752.33	4103.78	72.4	24.6

Notes: = surface cumulative runoff modulus; = underground cumulative runoff modulus; = surface runoff proportion; = underground runoff proportion.