中文关键词傍河水源地污染风险主成分分析源解析季节性变化 英文关键词riverside water sourcepollution riskprincipal component analysissource apportionmentseasonal change

作者	单位	E-mail
高翔	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875	gerxart@mail.bnu.edu.cn
左锐	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875	zr@bnu.edu.cn
郭学茹	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875
孟利	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875
刘鑫	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875
王膑	环境保护部环境规划院环境风险与损害鉴定研究中心, 北京 100012
滕彦国	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875
王金生	北京师范大学水科学研究院, 北京 100875 地下水污染控制与修复教育部工程研究中心, 北京 100875

中文摘要 傍河开采已成为国际公认的新型安全的取水方式.本文以哈尔滨呼兰水源地为研究对象，采用地下水污染解析技术对枯丰水期水源地污染源结构和特征进行了刻画，在此基础上采用污染源-途径-受体模型进行了枯丰两季水源地区域污染风险评价，综合分析了季节变化条件和人类活动共同作用下对傍河水源地地下水水质安全的影响.结果表明，基于源解析的地下水污染源在枯丰季节里表现出不同的空间分布特征，主要受水源地开采引起的水-岩相互作用、原生地质影响下高Fe³⁺、Mn²⁺污染、人类活动影响下的氮污染和有机污染等共同作用；污染风险评价结果显示，在枯丰水期水源地均处于较低风险水平，其差异性体现在丰水期水源地南部呼兰河沿岸区域水质污染风险较高，枯水期高风险区主要分布于河岸周边及人类活动密集区，因此枯水期的人类活动对区域地下水污染风险影响大，是水源地综合污染管控的重点. 英文摘要 Riverbank filtration is internationally accepted as a safe new method for extracting drinking water. This paper describes the structure and characteristics of pollution sources in the Hulan water source area of Harbin during wet and dry seasons, based on groundwater pollution sources apportionment technology. Pollution risk of the water source area was also assessed using the pollution sources-pathway-receptor model. Impacts on water quality safety under the collective effects of seasonal changes and human activities were then analyzed. Results showed that groundwater pollution sources have different spatial distribution characteristics based on pollution source apportionment during wet and dry seasons, with four principal influencing factors:①water-rock interaction caused by exploitation of water sources, ② natural geological processes resulting from dissolution of iron manganese minerals, and pollution by ③ nitrogen and ④ organics in response to human activities. Pollution risk assessment showed that water sources were at low risk during both wet and dry seasons. However, the south area of the water source area showed high groundwater pollution risk during the wet season, while other high-risk areas were mainly distributed around the riverbanks and densely populated areas during the dry season. These findings indicate that human activities greatly influence groundwater pollution risk during the dry season; accordingly, this season should be the focus of integrated water quality management and control for the water source area.

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