长江泥沙问题已引起各界人士关注。近三十年来,对于长江沙量是增加还是减少的问题,一直争论很激烈。一些人根据森林资源遭到破坏,干支流尤其四川境内一些河流含沙量七十年代比五十年代增加的论据,得出“长江沙量在增加”、“长江有变成黄河的危险”的 The issue of sediment in the Yangtze River has drawn the attention of people from all walks of life. In the past three decades, there has been a heated debate over whether the volume of sand in the Yangtze River will increase or decrease. Some people have come to the conclusion that “the amount of the Yangtze River is increasing” and “the danger of the Yangtze becoming a Yellow River” according to the argument that the forest resources have been destroyed, that of the dry tributaries, especially that of some rivers in Sichuan Province increased in the 1970s to the 1950s