水面曲线的应用研究——以恩施市城区清江河滩地治理利用为例

Study on Application of Water Surface Curve——Taking Management and Utilization of Qingjiang River Flood Land in Enshi Urban Area as An Example

推求水面曲线可以综合反应河段特性的变化情况,其中包括自然变化和人为影响变化.在规范要求的设计洪水条件下,通过计算恩施城区旗峰坝长业水泥制品厂至铁路大桥之间河段清江河段不同河宽水面曲线的变化,可以发现在一定河宽内水面曲线变化很小,为确定河滩地河堤位置和高度提供了科学合理的依据.

The calculation of water surface curve can comprehensively reflect the characteristic changes, including the natural variations and considers the effect of changes in specifications of design flood condi- tions. By calculating the change of water surface curve of different river width in the segment between changeye cement factory and in railway bridge in Enshi urban area, it is found that the water surface curve within certain width changes little, which provides a scientific basis for determing the position and height of the embankment.