基于洪量的淮河中游中小洪水調(diào)度方式探討
[Abstract]:The upper reaches of the Huaihe River are large, the middle reaches are slow, and the upper reaches of the river flow to the middle reaches, the velocity of flow slows down, and the flood accumulates in the middle reaches. The flood volume often exceeds the flood discharge capacity of the middle reaches, which results in frequent application of flood storage and detention areas in the middle reaches of the Huaihe River. The flood storage area in the middle reaches of the Huaihe River is mainly used as a reservoir and the flood discharge exceeds the flood discharge capacity of the river. Based on the analysis of the correlation between the maximum water level and the history of the important nodes in the middle reaches of the Huaihe River, this paper puts forward the idea of combining the maximum 1 day flood volume with the maximum water level. In real-time operation, if the flood volume of 1d is large, it is important to reduce 1d flood according to the correlation relation, and if the forecast of 3D flood quantity is large, it will be mainly reduced by 3D flood quantity. The method is verified by the flood in Huaihe River basin in 2003 and 2007. The flood regulation from 1 d to 3 d is helpful to control the flood magnitude and reduce the flood hazard.
【作者單位】: 安徽省水文局;水利部水文局;
【分類號(hào)】:TV122
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