黑河流域沙尘暴问题治理对策研究

黑河是仅次于塔里木河的全国第二大内陆河 ,流经青海、甘肃、内蒙古三省区 ,全长 82 1公里。由于上游少水、中游争水、下游断水 ,加上其周围生态环境恶化 ,使得河西走廊和额济纳旗沙尘暴频繁发生 ,成为我国四大沙尘暴源区之一。文章在实地调研的基础上 ,分析了黑河流域沙尘暴形成的原因 ,提出了相应的治理对策。

On Harnessing Sand-Duststorm in the Heihe Valley

The Heihe is the second continental river of the whole country,flows in Qinghai,Gansu and Neimenggu,the whole length is 821 Kilometres.Because the upper reaches of this river is less water,middle reaches strives for water,the lower reaches cuts off water supply,and ecological environment has worsened,the Hexi corridor and Ejinaoqi suffers frequenthy from sand dust strom,and becomes one of the foure sand dust storms' origins in our country on the basis of the on the spot investigation.The author of this paper analyzes formation cause for sand dust storm in Heihe valley,and raises appropriate measures taken to harness enviroment.