摘要
长江河口咸潮入侵对上海市自来水源水水质带来不良影响,从而殃及水厂产水质量而不利于生产和市民健康,这在上海市宝山区表现尤为显著。然而,宝山区地下承压含水层水质优良,资源丰富,且水质稳定,不受咸潮入侵影响。经研究,在不产生地面沉降危害等前提条件下,宝山区尚可扩采500万米~3/年优质地下水。
The encroachment of sea water tide in Changjiang Estuary has a bad effect on the qualityof water source in Shanghai,thus bringing disaster to the quality of waterof the waterworks and dis-advantage to production and the residents' health of the city.It is especially evident in BaoshanDistrict,Shanghai.The confined aquifer,there is of fine quality,resourceful and instablequality and it is not influenced by the encroachment of sea water tide.On the conditionthatland settlement would not occur,it is concluded after a careful study that 5 million M^3/Y offine groundwater can be extracted in Baoshan District.
关键词
咸潮入侵
长江河口
地下水质
encroachment of sea water tide
chlorinity
quantity of Ions
disease of circulation system
The Yangtze River
