西北黄土高原旱区水土保持工程措施研究与应用

Study and application of soil and water conservation engineering measures in arid area of northwest loess plateau

在干旱少雨的西北地区,水土流失的治理一直是环境治理的一大难题。水土保持工程的建设是治理水土流失的重要举措,以水土流失较为严重的西北黄土高原旱区的典型区域为研究区,对坡改梯、沉砂池、集雨窑、护坡、谷坊、淤地坝等水土保持工程措施的应用情况进行介绍,并对工程的应用效益进行了分析,结果表明研究区在正常年份能实现蓄水效益75. 5万m^3,保土效益178万t。该研究为西北旱区进行水土保持工程的建设提供了一定的参考意义。

The control of soil erosion is always a big problem of environmental control in the arid and rainless northwest area. The construction of soil and water conservation engineering is an important measure to control soil and water loss. This paper introduces the application of soil and water conservation engineering measures,such as the measures of terrace on slope,grit chamber,rainwater collection kiln,slope protection,check dam,warping dam and so on,and analyzes the application benefits of the project.The results are as follows: in ordinary years,the water storage benefit is 755000 cubic meters,and the soil conservation benefit is1. 78 million tons. This study provides the guidance for the construction of soil and water conservation project in the northwest arid area.