黄河下游断流日益严重□孙超／重庆壁山丁家中学黄河源于青藏高原，注入渤海，全长５４６４千米，多年平均径流总量５７４．５０亿立方米，黄河属我国第二长河、世界第八长河。黄河是华夏民族的母亲河之一，黄河文明驰名中外。但受诸多因素的制约，时至今日，黄河也呈现了... Downstream of the Yellow River is becoming increasingly severe. Sun Chao/Chongqing Bishan Dingjia Middle School The Yellow River originates from the Qinghai-Tibet Plateau and is injected into the Bohai Sea. The total length is 5,464 kilometers. The average annual runoff amount is 57.45 billion cubic meters. The Yellow River is the second longest river in China. The eighth longest river in the world. The Yellow River is one of the mother rivers of the Chinese nation, and the Yellow River is famous both at home and abroad. However, due to many factors, the Yellow River has also shown itself...