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沙颍河水系是淮河流域最大支流,沙颍河流域面积39880km2,河道全长620km,我省境内流域面积28800km2,河长410km,是中原地区防汛工作的重点,建国后,修建了昭平台、孤石滩、白龟山、白沙、彭河等11座大中型水库及泥河洼滞洪区工程。但支流北汝河上游缺乏骨干防洪控制工程,现有防洪工程仍然很低,澧河尚不足5年一遇,北汝河及沙河仅为10年至20年一遇,颍河为10年一遇。沙颍河流域是河南省粮、棉、烟、油料和煤炭、电力生产的重要基地,又有京广、焦枝等重要铁路干线,防洪安全事关大局,因此搞好以上洪水预报优化调度系统建设甚为重要。
The Shaying River is the largest tributary of the Huaihe River Basin. The Shayinghe River basin covers an area of 39880km2 and the total length of the riverway is 620km. The basin area in the province is 28800km2 and the length of the river is 410km. It is the focus of flood control in the Central Plains. After the founding of the PRC, Rocky Beach, White Kameyama, Baisha, Peng River and other 11 large and medium-sized reservoirs and mud River Valley flood detention area project. However, there is a lack of key flood control projects in the upper reaches of the northern part of the North Ru River. The existing flood control projects are still very low. There is only once in five years in Bahe, and only 10 to 20 years in Beiruhe and Shahe. Yinghe is once in 10 years. The Shayinghe River Basin is an important base for grain, cotton, tobacco, oilseed and coal, and electricity production in Henan Province. There are also major railway lines such as Jingguang and Jiaozhi, and flood control and safety are the major concerns. Therefore, the above flood forecasting and optimal scheduling system Construction is very important.