A PROPOSAL ON ALLEVIATING THE MAINSTREAM DRY- UP OF THE YELLOW RIVER  

作　　者：Academic Division of Earth Sciences, Chinese Academy of Sciences 

出　　处：《Bulletin of the Chinese Academy of Sciences》1999年第2期100-103,共4页中国科学院院刊（英文版）

摘　　要：Since the 1970s, there have been constant problems caused by the drying up of the mainstream flow in the lower reaches of the Yellow River. Twenty-one of the 26 years from 1972 to 1998 saw a seasonal dry-up on the mainstream riverbed. In the 1990s, the dry-up became an annual problem. What was

关 键 词：田七 山甲 双刃 心洲 

分 类 号：P343.1[天文地球—水文科学]