南淝河生态补水水质改善效应试验研究
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作者单位:

1.合肥工业大学 土木与水利工程学院,安徽 合肥 230009 2.合肥市水务局,安徽 合肥 230071

作者简介:

贾 安(1989— ),男,工程师,主要从事防汛抗旱和水资源调度工作。

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中图分类号:

X52

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/


Experimental study on ecological water replenishment and water qualityimprovement effects of Nanfeihe River
Author:
Affiliation:

1. College of Civil Engineering, Hefei University of Technology, Hefei 230009, China 2. Hefei Water Bureau, Hefei 230071, China

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    摘要:

    为改善南淝河水体水质,利用南淝河流域水污染治理和水生态修复成果,通过南淝河生态补水试验率定和验证 MIKE11 水动力水质模型合理性,分析南淝河在不同生态补水量下水质变化。MIKE11 水动力水质模型能够较好地模拟南淝河在生态补水条件下水动力和水环境质量改善的情况。通过条件优化和试算得出,与入河污染物总量相比,生态补水后河道自净能力的贡献占比约 14.6%~19.0%,其中河道自净能力增量占比约 6.2%~9.4%。研究结果表明,生态补水对南淝河水体水质情况有所改善,但仍以稀释作用为主,河道自净能力发挥的作用有限。

    Abstract:

    In order to improve the water quality situation of Nanfeihe River, the achievements of waterpollution control and water ecological restoration of Nanfeihe River was used to rate and verify therationality of MIKE11 hydrodynamic force and water quality model by the ecological water supplementexperiment of Nanfeihe River. And the changes of water quality of Nanfeihe River under different ecological water supplement amounts were analyzed. MIKE11 hydrodynamic and water quality model can bettersimulate the improvement of hydrodynamic force and water environment quality of the Nanfeihe River under the condition of ecological water supplement. Through condition optimization and trial calculation, compared with the total amount of pollutants entering the river, the contribution of river selfpurification capacity after ecological water supplement accounts for about 14.6%~19% , of which theincrease of river self purification capacity accounts for about 6.2%~9.4%. Ecological water supplement has improved the water quality situation of Nanfeihe River, but it is still mainly dilution, andthe self purification ability of the river itself plays a limited role.

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贾 安,王 伟,单开进,刘佩贵.南淝河生态补水水质改善效应试验研究[J].江淮水利科技,2023,(4):13-18

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  • 收稿日期:2023-01-18
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  • 在线发布日期: 2023-08-28
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