27万平方公里的淮河流域,似一只有力的巨手,托起了华夏中原腹地的这块黄金般的国土。全长1000公里的淮河与众多的支流润泽着这片土地,养育着两岸1.6亿淮河儿女。 淮河流域介于长江、黄河两大流域间,东临黄海,它与秦岭构成我国南北气候分界线,是三种过渡带的叠加地区,灾害历来很重。1194年黄河挟带着大量泥沙南犯夺淮,破坏了淮河原有水系,更加剧了淮河的灾害。据统计,在新中国成立前的不足500年之 270,000 square kilometers of the Huaihe River basin, like a powerful giant, hold up the hinterland of China Central Plains this piece of gold-like land. The Huaihe River, with a total length of 1,000 kilometers, and numerous tributaries moisturize the land and raise 160 million Huaihe children on both sides of the Taiwan Strait. The Huaihe River basin lies between the two major valleys of the Yangtze River and the Yellow River, with the Yellow Sea to the east. It constitutes the dividing line between North and South of China and the Qinling Mountains. It is a superimposed area of ​​the three transitional zones. Disasters have always been heavy. In 1194, the Yellow River carried a large amount of sediment southward to capture the Huaihe River, destroying the original Huaihe River system and exacerbating the Huaihe River disaster. According to statistics, less than 500 years before the founding of new China