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黄河安危,直接关系到国计民生,历来受到人们的关注,并且水利部门一直把它作为重点工作来对待。前不久,有人从黄河改道的角度出发,对现行河道同铜瓦厢决口前的黄河故道的临背差的情况相比较之后,提出现行河道尚须60年才能达到故道改道时的程度。这个结论,从改道的角度出发,应该说是“言之有据”的。但它容易给人们一个错觉,似乎黄河依靠堤防尚可维持60年。其实,改道与决口是两个不同的概念。决口在先,改道在后。历史上决口后多不
The safety of the Yellow River, which is directly related to the national economy and the people’s livelihood, has always been the focus of attention and the water conservancy department has always treated it as a key work. Not long ago, some people proposed that the existing river should take up to 60 years before the current lane is diverted from the perspective of the diversion of the Yellow River compared with the case of the existing backward lane of the existing Yellow River. This conclusion, from the perspective of diversion, should be said that “there is evidence”. But it is easy to give people the illusion that it seems that the Yellow River can still survive for 60 years on the embankment. Actually, diversion and breach are two different concepts. Burst in the first, after diversion. After the burst in the history of more