滴灌与沟灌条件下铁路防沙体系效益分析

An analysis on benefits of railway protection forest under conditions of drip and furrow irrigations

通过对兰新线嘉峪关工务段黑山湖戈壁风沙流区沙害现状的调查、分析了风沙流对铁路危害的状况及特点,建立了铁路防护体系。结果显示:在滴灌和沟灌条件下防沙措施的生态防护效益显著增强,节水效益、经济效益明显增强和社会生态环境得到进一步改善,为今后戈壁风沙流地区的铁路防沙治理,提供可靠的理论技术和研究方法。

Based on investigation of status quo of sand damage in Heishanhu Gobi of Track Division of Jiayuguan on the Lanzhou - Xinjiang Railway Line and flowing sand area, the status and characteristics of damage caused by flowing sand to railway was analysed. A defending system on both sides of railway was built. This research.studied the defending, economical and social benefits under conditions of furrow and drip irrigations, and gave dependable technologies and study ways to prevent and control the flowing sand beside railway in desert area.