Abstract：The experiment is to study the soil erosion characteristic under different grass coverage,flow amount on slope.The result shows that: the flow on slope covered by grass is turbulent flow or transition flow;the Re is changing between 0.27 and 2.04,the Fr is changing between 326 and 1 538,the f is changing between 8.3 and 16.29.Average velocity of flow on slope under 30% and 70% coverage is reduced by 25% and 47% respectively compared with bare slope,Grass cover could reduces the sediment yield,but the effect of drag flow will be weaken with the discharge increasing.
王玲玲;姚文艺;申震洲;杨春霞. 草被覆盖度对坡面流水力学参数的影响及其减沙效应[J]. 中国水土保持科学, 2009, 7(1): 80-83.
WANG Ling-Ling, TAO Wen-Yi, SHEN Shen-Zhou, YANG Chun-Xia. Effects of grass coverage on shallow flow hydraulic parameters and sediment reduction. SSWCC, 2009, 7(1): 80-83.
2009, Vol. 7 
