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1 基本情况信阳市地处淮河上游,全市面积1.83万 km~2,绝大部分属淮河水系,为1.80万 km~2,占总面积的98.2%,属长江水系的341km~2,仅占1.8%。淮河水系中山区6403km~2,丘岗7055km~2,平原3104km~2,沿淮洼地1390km~2。全市耕地53.3万 hm~2,自然资源丰富,生产潜力大。建国前由于缺乏水利设施,洪涝干旱频繁,生产低而不稳。建国以来,淮河流域四省根据“统筹兼顾、蓄泄兼筹,三省共保”的治淮方针和淮河流域洪水主要来自上游
1 Basic Situation Xinyang City is located in the upper reaches of the Huaihe River with a total area of 18,300 km2. The vast majority belongs to the Huaihe River system, accounting for 98.2% of the total area, accounting for 98.2% of the total area, accounting for 341km ~ 2 of the Yangtze River system, accounting for only 1.8% %. The Huaihe River water system is 6403km ~ 2 in Zhongshan District, 7055km ~ 2 in Hupang River, 3104km ~ 2 in plain, and 1390km ~ 2 in the depression of Huaihe River. The city’s 533,000 hm 2 of cultivated land, rich in natural resources, production potential. Due to the lack of water conservancy facilities before the founding of the People’s Republic, floods and droughts were frequent and production was low and unstable. Since the founding of the People’s Republic of China, the four provinces in the Huaihe River Basin have mainly come from the upstream