汇流的雨水增加，径流系数增大，形成了地面的雨水径流。
The increase of rainwater runoff, runoff coefficient increases, the formation of the ground.
全流域的水沙过程包括降雨产流、汇流的全过程，以及泥沙侵蚀、输移、沉积的不同运动形态。
The whole process of water and sediment in watershed consist of water generation and concentration, sediment erosion, transportation and deposition.
一般建在地势较低的区域，通过天然土壤或更换人工土和种植植物绿化、消纳小面积汇流的初期雨水。
Rain Court usually built in low-lying areas, through the replacement of natural soil or artificial soil and planting green plants, small area elimination on the convergence of the initial rain.
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