摘要
介绍了甘肃省淤地坝建设的成功经验和美好前景。甘肃省水土流失面积38.62万km2,占总土地面积的85.07%。其中,黄河流域水土流失面积11.11万km2,占省内黄河流域总土地面积14.8万km2的75%。截至2002年底,全省共建成骨干坝231座,同时修建了大量的中、小型淤地坝。淤地坝在减少入黄泥沙,改善干旱、半干旱地区水资源缺乏状况,改善山区交通条件,巩固和扩大退耕还林(草)成果等方面发挥了重要作用。
The paper has introduced successful experience of building silt dam in Gansu province. In the province the area of soil and water erosion covers 386. 2 thousand sq km, about 85. 07% of total land area,of which 111. 1 thousand sq km area belongs to the Yellow River Basin. To the end of 2002, 231 main silt dams and a large number of small and medium-sized silt dams had been built in Gansu province. Silt dam has played an important part in decreasing sediment into the Yellow River,improving shortage status of water resource in arid or semi-arid area, bettering the traffic condition in mountainous areas, enlarging achievements in converting cropland to forest and grassland.
出处
《南水北调与水利科技》
CAS
CSCD
2005年第B07期48-50,共3页
South-to-North Water Transfers and Water Science & Technology
关键词
水土保持
淤地坝
甘肃省
soil and water conservation
silt dam
Gansu province