太浦河金泽水源地大莲湖示范区水系水环境状况调查研究

查阳; 王迪芳; 曹承进; 黄民生; 汪星; 俞博文; 刘畅; 都皓辰; 李梦茁

doi:10.3969/j.issn.1000-5641.2021.04.008

太浦河金泽水源地大莲湖示范区水系水环境状况调查研究

doi: 10.3969/j.issn.1000-5641.2021.04.008

查阳^{1, 2, 3, 4},
王迪芳^{1, 2, 4},
曹承进^{1, 2, 3, 4, ,},
黄民生^{1, 2, 3, 4},
汪星⁵,
俞博文^{1, 2, 3, 4},
刘畅^{1, 2, 3, 4},
都皓辰^{1, 2, 3, 4},
李梦茁^{1, 2, 3, 4}

1.
华东师范大学生态与环境科学学院上海市城市化生态过程与生态恢复重点实验室, 上海　200241
2.
崇明生态研究院, 上海　202162
3.
上海有机固废生物转化工程技术研究中心, 上海　200241
4.
自然资源部大都市区国土空间生态修复工程创新中心, 上海　200062
5.
中国环境科学研究院, 北京　100012

基金项目: 国家科技重大专项(2018ZX07208008); 上海市自然科学基金(21ZR1418600); 上海有机固废生物转化工程技术研究中心（19DZ2254400）

详细信息

通讯作者:
曹承进, 男, 副教授, 研究方向为水体污染控制与修复、城市水资源与水环境. E-mail: cjcao@des.ecnu.edu.cn

中图分类号: X52
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出版历程
- 收稿日期: 2021-02-01
- 刊出日期: 2021-07-25

Investigation of the environmental status of water at the Dalian Lake demonstration area in the Jinze water source area of Taipu River

ZHA Yang^{1, 2, 3, 4},
WANG Difang^{1, 2, 4},
CAO Chengjin^{1, 2, 3, 4
, ,},
HUANG Minsheng^{1, 2, 3, 4},
WANG Xing⁵,
YU Bowen^{1, 2, 3, 4},
LIU Chang^{1, 2, 3, 4},
DU Haochen^{1, 2, 3, 4},
LI Mengzhuo^{1, 2, 3, 4}

1.
Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai　200241, China
2.
Institute of Eco-Chongming, Shanghai　202162, China
3.
Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai　200241, China
4.
Technology Innovation Center for Land Spatial Eco-Restoration in Metropolitan Area (Ministry of Natural Resources), Shanghai　200062, China
5.
Chinese Research Academy of Environmental Sciences, Beijing　100012, China

摘要

摘要: 以大莲湖为研究对象, 以大莲湖周边水体的水文、水质的调查数据为依据, 研究了大莲湖示范区水系水环境现状以及地表径流污染情况. 结果表明, 金泽水源地水质大部分能够满足地表水Ⅲ类水标准, 但部分指标存在季节性差异, 使得金泽水源地水质总体上不能稳定达标. 大莲湖示范区周围水体多为缓流水体(流速0 ~ 0.03 m/s), 透明度较低, 水体呈中性偏弱碱性(pH = 6.63 ~ 9.67), 易生成水华. 各个采样点氮磷营养盐污染较为严重, 且季节性差异明显, 春夏季水质较好(Ⅱ类—Ⅲ类)、秋冬部分水体在某些时间段呈现Ⅴ类水. 大莲湖示范区雨水径流浓度有明显的初期效应, 各下垫面氮磷的平均浓度远高于地表水Ⅴ类标准, 污染较为严重.
- 太湖流域 /
- 金泽水库 /
- 饮用水源地 /
- 水环境污染 /
- 面源污染
Abstract: In this paper, we use hydrology and water quality survey data around Dalian Lake to assess the environmental status of the water and surface runoff pollution in the Dalian Lake demonstration area. The results show that the water quality of the Jinze water source can largely satisfy class Ⅲ standards for surface water; however, given seasonal differences for some indicators, the water quality of the Jinze water source fails to meet the standard on a consistent basis. The water body surrounding the Dalian Lake demonstration area is predominantly slow flow (flow rate: 0 - 0.03 m/s), with low transparency and neutral or slightly alkaline water (pH = 6.63 - 9.67); these conditions render the area susceptible to forming water bloom. Pollution from nitrogen and phosphorus nutrients at each sampling point was significant, and seasonal differences were noticeable; the water quality in spring and summer is generally better (class Ⅱ—Ⅲ), and some water bodies meet class Ⅴ standards in autumn and winter. The concentration of rainwater runoff in the Dalian Lake demonstration area has a noticeable initial effect. The average concentration of nitrogen and phosphorus in the underlying water is higher than the class Ⅴ standard for surface water, and the pollution is likewise more significant.
- Taihu Lake Basin /
- Jinze reservoir /
- drinking water source /
- water environmental pollution /
- non-point source pollution

HTML全文

图 1 金泽水源地大莲湖示范区水体水质采样点

注: 为采样点.

Fig. 1 Location of sampling sites in Dalian Lake and the Jinze water source area

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图 2 大莲湖TN季节性分布特征

Fig. 2 Seasonal distribution of TN in Dalian Lake

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图 3 大莲湖NH₄⁺-N季节性分布特征

Fig. 3 Seasonal distribution of NH₄⁺-N in Dalian Lake

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图 4 大莲湖TP季节性分布特征

Fig. 4 Seasonal distribution of TP in Dalian Lake

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图 5 大莲湖四季各个采样点PO₄^3–含量

Fig. 5 PO₄^3– content across four seasons in Dalian Lake

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图 6 金泽水源地大莲湖示范区COD_Cr含量时空变化

Fig. 6 Spatial and temporal variation of COD_Cr in the Dalian Lake demonstration zone and Jinze water source area

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图 7 金泽水源地大莲湖示范区Chl-a含量时空变化

Fig. 7 Spatial and temporal variation of Chl-a in the Dalian Lake demonstration zone and Jinze water source area

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表 1 金泽水源地大莲湖示范区水质基本理化性质和水文性质

Tab. 1 Basic physicochemical properties of sampling sites in the Dalian Lake demonstration zone and Jinze water source area

季节	溶解氧/(mg·L^–1)	温度/℃	pH值	浊度/NTU	透明度/m	深度/m	水体流速/(m·s^–1)
春季	7.27 ~ 13.85	22.6 ~ 25.3	7.67 ~ 8.90	6.5 ~ 52.7	0.20 ~ 0.60	0.2 ~ 1.6	0 ~ 0.03
夏季	0.75 ~ 9.65	28.2 ~ 31.2	6.63 ~ 8.84
秋季	4.03 ~ 13.32	17.2 ~ 20.4	7.70 ~ 8.80	13.1 ~ 64.1	0.20 ~ 0.75	0.1 ~ 2.1
冬季	9.03 ~ 17.96	9.0 ~ 16.8	7.92 ~ 9.67	5.2 ~ 35.0	0.30 ~ 0.95	0.1 ~ 1.8	0 ~ 0.02

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