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入湖河流对千岛湖水质影响研究——以CODMn为例

谢培 高峰 王书航 张博 乔飞 何川 张乐

谢培, 高峰, 王书航, 张博, 乔飞, 何川, 张乐. 入湖河流对千岛湖水质影响研究——以CODMn为例[J]. 环境工程技术学报, 2019, 9(6): 692-700. doi: 10.12153/j.issn.1674-991X.2019.04.300
引用本文: 谢培, 高峰, 王书航, 张博, 乔飞, 何川, 张乐. 入湖河流对千岛湖水质影响研究——以CODMn为例[J]. 环境工程技术学报, 2019, 9(6): 692-700. doi: 10.12153/j.issn.1674-991X.2019.04.300
XIE Pei, GAO Feng, WANG Shuhang, ZHANG Bo, QIAO Fei, HE Chuan, ZHANG Le. Study on the influence of inflowing rivers on the water quality of Qiandao Lake: taking CODMn as an example[J]. Journal of Environmental Engineering Technology, 2019, 9(6): 692-700. doi: 10.12153/j.issn.1674-991X.2019.04.300
Citation: XIE Pei, GAO Feng, WANG Shuhang, ZHANG Bo, QIAO Fei, HE Chuan, ZHANG Le. Study on the influence of inflowing rivers on the water quality of Qiandao Lake: taking CODMn as an example[J]. Journal of Environmental Engineering Technology, 2019, 9(6): 692-700. doi: 10.12153/j.issn.1674-991X.2019.04.300

入湖河流对千岛湖水质影响研究——以CODMn为例

doi: 10.12153/j.issn.1674-991X.2019.04.300
详细信息
    作者简介:

    谢培(1992—),女,助理研究员,硕士,主要从事流域水环境模拟研究, xiepei198@163.com

    通讯作者:

    乔飞 E-mail: qiaofei@craes.org.cn

  • 中图分类号: X524

Study on the influence of inflowing rivers on the water quality of Qiandao Lake: taking CODMn as an example

More Information
    Corresponding author: Fei QIAO E-mail: qiaofei@craes.org.cn
  • 摘要: 以千岛湖湖内重点监测断面高锰酸盐指数(CODMn)实测数据为基础,基于EFDC(environmental fluid dynamics code)模型构建适用于千岛湖的二维水质模型,通过设置不同情景方案,分析千岛湖上游入流和湖周入流CODMn变化对湖内CODMn的影响,解析边界CODMn和湖内重点监测断面CODMn间的响应关系,并定量计算上游入流CODMn变化对湖内重点监测断面CODMn的影响和贡献。结果表明:通过多组常降解系数平行模拟方法,确定千岛湖湖体CODMn的降解系数(k)为0.001 5;上游入流CODMn与湖内重点监测断面CODMn之间存在显著的响应关系,当上游入流CODMn为6.0 mg/L时,湖内威坪林场至三谭岛断面CODMn超过GB 3838—2002《地表水环境质量标准》Ⅱ类标准;上游入流响应系数明显大于湖周入流响应系数,上游入流对湖内威坪林场、小金山、三潭岛、大坝前4个重点监测断面CODMn的贡献率分别为82.0%~92.3%、73.8%~88.2%、53.8%~62.8%和57.7%~76.4%。上游入流是影响千岛湖湖内重点监测断面CODMn的主要因素,建议加强对上游入流的水质监测和污染控制。

     

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  • 收稿日期:  2019-02-11
  • 刊出日期:  2019-11-20

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