[1]刘 超,胡智华,姚天启,等.洪泽湖入湖河流对湖区水质的响应关系[J].江苏水利,2022,(01):40-46+50.
　LIU Chao,HU Zhihua,YAO Tianqi,et al.Response of inflow river to the water quality of Hongze Lake[J].JIANGSU WATER RESOURCES,2022,(01):40-46+50.
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洪泽湖入湖河流对湖区水质的响应关系()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2022年01期
页码:
40-46+50
栏目:
水生态与环境
出版日期:
2022-01-26

文章信息/Info

Title:
Response of inflow river to the water quality of Hongze Lake
文章编号:
1007-7839(2022)01-0040-07
作者:
刘 超1; 2;  胡智华1; 2;  姚天启1; 3;  李 港2
(1.重庆交通大学河海学院, 重庆 400074; 2.南京水利科学研究院生态环境研究所, 江苏 南京 210029; 3.贵州民族大学生态环境工程学院, 贵州 贵阳 550025)
Author(s):
LIU Chao1; 2;  HU Zhihua1; 2;  YAO Tianqi1; 3;  LI Gang2
(1.Hohai College, Chongqing Jiaotong University, Chongqing 400074, China; 2.Institute of Eco-Environment, Nanjing Hydraulic Research Institute, Nanjing 210029, China; 3.College of Eco-Environmental Engineering, Guizhou Minzu University, Guiyang 550025, China)
关键词:
水动力水质;  EFDC;  水质改善率;  洪泽湖
Keywords:
hydrodynamic-water quality;  EFDC;  water quality improvement rate;  Hongze Lake
分类号:
X832
文献标志码:
B
摘要:
为提升洪泽湖水质的改善效率，基于EFDC构建洪泽湖水动力水质模型，将入湖河流概化为边界入湖源，对入湖源污染物质量浓度进行50%削减作为情景模拟工况，以TN和TP为水质模型输出目标，用单一控制变量法进行情景模拟。研究结果表明，在时间角度而言，丰水期淮河入湖源对湖区水质的贡献能力最强，平水期徐洪河入湖源对湖区水质的贡献能力增强，枯水期淮河、怀洪新河、徐洪河入湖源对湖区水质贡献能力差距进一步缩小。在空间角度而言，入湖源对湖区水质的改善效果呈现由近至远降低，淮河入湖源对溧河洼、湖心区水质的改善效果最好，徐洪河入湖源与成子河入湖源对成子湖区域水质改善效果最好。因此在实施洪泽湖水质改善措施时需要综合考虑各入湖河流对湖区水质在时空上定量响应关系的差异性，进行精细化的联合控源。
Abstract:
In order to improve the water quality efficiency of Hongze Lake, a hydrodynamic-water quality model of Hongze Lake was built based on EFDC. The rivers entering the lake were summarized as the boundary into the lake source, and the mass concentration of pollutants entering the lake source was reduced by 50% as the scenario simulation condition. TN and TP were taken as the output targets of the water quality model, and the scenario simulation was carried out by using the single control variable method. The results show that, in terms of time, the contribution capacity of Huai River to lake water quality is the strongest in wet season, the contribution capacity of Xuhong River to lake water quality is enhanced in normal season, and the differences of Huai River, Huaihongxin River and Xuhong River to lake water quality is further narrowed in dry season. In terms of space, the improvement effect of water quality in the lake area decreases from near to far. The Huai River source has the best improvement effect on the water quality of the Lihewa and the center of the lake. The Xuhong River source and the Chengzi River source have the best effect on improving the water quality of Chengzi Lake area. Therefore, when implementing measures to improve the water quality of Hongze Lake, it is necessary to comprehensively consider the differences in the quantitative responses of the inflow rivers to the lake water quality in time and space, and carry out a refine joint source control.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-06-30
作者简介:刘超(1995—),男,硕士研究生,研究方向为水环境。E-mail:1471827754@qq.com
更新日期/Last Update: 2022-01-26