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淮河流域是中华民族的发祥地之一,它包括淮河和沂沭泗河两大水系。流域面积27万平方公里,横跨豫、皖、苏、鲁四省的34个地(市),187个县(市、区)。 由于淮河流域地处我国南北气侯过渡地带,属于暖温半湿润气候区,雨量时空分布不均,造成降雨量在地区、季节、年际上的不平衡,史料记载,从公元前246年至公元
The Huaihe River Basin is one of the cradles of the Chinese nation, which includes the Huaihe River and the Yishusi River two major river systems. The basin covers an area of 270,000 square kilometers and stretches across 34 prefectures (cities) and 187 counties (cities and districts) in Henan, Anhui, Jiangsu and Shandong provinces. Since the Huaihe River Basin is located in the climate transitional zone between north and south of China and belongs to the warm and semi-humid climate zone, the rainfall is unevenly distributed in time and space, causing the imbalance of rainfall in the region, season and year. According to historical records, from 246 BC A.D.