GENERAL GEOLOGY

Detailed explanation-1: -The results show that, under the condition of equal horizontal projective lengths so that all slopes receive the same amount of rainfall, infiltration increases with increasing slope gradients and runoff decreases.

Detailed explanation-2: -On the steeper slopes, the soil depth is less and hence, there is a greater reduction in the infiltration capacity with the same amount of rainfall. The decrease in depression storage means that less infiltration excess is required to initiate overland flow.

Detailed explanation-3: -Both theoretical and numerical results show that infiltration increases with increasing slope angle.

Detailed explanation-4: -Best management practices to improve soil infiltration include: reduced tillage, avoid soil compaction, crop rotation, and keeping the soil covered with residue and cover crops. A soil with good infiltration can utilize and store plant available water and reduce water runoff which causes flooding.