Abstract

According to the study of rainfall and underlying surface in Zhejiang area, planting soil and park soil were mixed with fine sand and coarse sand respectively, and rainfalls of two-year return period and five-year return period in Hangzhou Xiasha area were selected to simulate the rainfall garden experiment by artificial rainfall. The results show that: under the same rainfall pattern, the maximum infiltration flow of planting soil is greater than that of park soil; under the same soil condition, the maximum infiltration flow under the condition of five-year return rainfall is greater than that of two-year return rainfall; after mixing the two kinds of soil with sands, the maximum infiltration flow containing park soil is greater than that of containing planting soil.

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