摘要
80年代黄河中游来沙量减少,主要原因是降雨量减少和降雨强度减小,流域综合治理也起到了减沙作用。据分析,降雨因素减沙约占总减沙量的70％,流域综合治理减沙约占30％。
The volume of sediment in the middle Yellow River had been reduced in 1980's. The main reasons of that are less precipitation, small rainfall in tensity and the function of comprehensive management of watersheds. According to the analysis, the sediment was reduced 70% of the total sediment reduced by precipitation and 30% by comprehensive management of watersheds.
出处
《人民黄河》
CAS
北大核心
1992年第5期15-18,共4页
Yellow River
关键词
黄河
泥沙
降雨
中游
治理
sediment producted by rainfall, watersheds management, middle reach, Yellow River, 1980's
