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防洪是治淮的首要任务。为对淮河洪水有一个概略的认识,根据现有资料对淮河洪水特性及其一般规律进行一些初步分析。一、流域概况淮河流域位于北纬31°到36°,东经112°到121°之间,西起桐柏山、伏牛山,东临黄海,南以大别山和皖山余脉与长江流域分界,北以黄河南堤和沂蒙山与黄河流域分界,跨豫、皖、苏、鲁四省的三十三个地(市)182个县(市)。流域面积约为27万平方公里,除西部、南部和东北部共约三分之一的面积为山丘外,其余是广阔的平原。由于历史上黄河夺淮的影响,淮河流域被分成淮河和沂沭泗两大水系。淮河在江苏省扬
Flood control is the primary task of Huai River. For a brief understanding of the Huaihe River flood, some preliminary analyzes of the Huaihe River flood characteristics and its general laws are based on available data. I. Introduction to the Basin Huaihe River Basin is located between latitudes 31 ° and 36 ° N and between 112 ° and 121 ° longitude, starting from Tongbai Mountain and Funiu Mountain to the west and Yellow Sea to the east and dividing the Dabie Mountains and Wan Mountains to the south and the Yangtze River valley to the south. The Yellow River embankment and Yimeng Mountain and the Yellow River boundary, across Henan, Anhui, Jiangsu and Shandong provinces and 33 provinces (cities) 182 counties (cities). The basin covers an area of about 270,000 square kilometers. Except about one third of the western, southern and northeastern areas are hills, the rest are vast plains. Due to the history of the Yellow River wins the Huaihe River, Huaihe River Basin is divided into the Huaihe and Yishusi two major river systems. Huai River in Jiangsu Province Yang