川中丘陵区“长治”工程的减沙效益研究

Study on the Benefits of Sediment Reduction and Water Resources Regulation by “Changzhi Project” in the Sichuan Basin

以川中丘陵区“长治”工程为研究对象 ,对坡面和小流域各种措施的减沙理水效益进行了分析 ,同时结合各种措施的减沙理水效果 ,探讨了不同尺度下水保措施的减沙效果。研究表明 ,长治工程对坡面和小流域的减沙理水效果明显 。

Large quantity observed data by various water and soil conservation measurements, which is called as “Changzhi Project”, are used to analyze the effects of sediment reduction and runoff regulation for different measurements conducted on the slope land or in a watershed. The results show that the “Changzhi Project” has a significant effect on sediment reduction and surface runoff regulation. However, more study on the mechanism of runoff movement and sediment transport under different scales is needed in the future.