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                    环境与发展                                                            ߌ࣢აؿᅚ࿐ඌ௹़
                                 HUANJINGJIANCE                                                                                                                                                                                  环境监测
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                                    新泾港“十三五”水质变化趋势分析                                                                                               ߌ࣢აؿᅚ࿐ඌ௹़






                                                           顾佳萍
                                           （上海市闵行区环境监测站，上海 201199）


                    摘要：采用单因子评价法和水质综合污染指数法，评价了新泾港“十三五”期间的水质污染状况、
                    年度和月度变化趋势、空间变化及水质改善情况。结果表明，“十三五”期间，新泾港水质显著改
                    善，“十三五”期末达到Ⅳ类水标准，水质达标；“十三五”期间，氨氮、总磷和高锰酸盐指数浓度呈

                    下降趋势，溶解氧浓度稳中有升，五日生化需氧量浓度呈持平趋势；氨氮浓度月度变化呈秋季
                    低、春夏冬季高的特征，溶解氧浓度呈冬春季高、夏秋季低的特征，总磷、高锰酸盐指数和五日生
                    化需氧量浓度月度变化相对平稳。“十三五”期间，新泾港水体综合污染指数呈改善趋势；从上游
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                    到下游，综合污染指数2016年和2020年上升，2017-2019年下降，每年水质的空间变化规律不完
                    全相同。         ߌ࣢აؿᅚ࿐ඌ௹़
                    关键词：地表水；水质评价；单因子评价法；综合污染指数；变化趋势

                    中图分类号：X832 文献标识码：A               文章编号：2095-672X(2022)06-0036-06
                    DOI.10.16647/j.cnki.cn15-1369/X.2022.06.006

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                   AnalysisofwaterqualityvariationtrendofXinjingPortduringThe" "13thFive-YearPlan"Period
                   AnalysisofwaterqualityvariationtrendofXinjingPortduringThe 13thFive-YearPlan"Period
                                                           Gu Jiaping
                             (Environmental Monitoring Station of Minhang District , Shanghai 201199, China)

                  Abstract:Water pollution status, annual and monthly change trends, spatial change and water quality improve⁃
              ment of Xinjing Port were evaluated during the "13th Five-Year Plan" period by using single factor evaluation method
              and comprehensive pollution index. The results showed that the water quality of Xinjing Port was significantly im⁃
              proved during the "13th Five-Year Plan" period and reached the standard of Class IV at the end of the "13th Five
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              Year Plan". During the "13th Five-Year Plan" period, the concentrations of ammonia nitrogen, total phosphorus and
              permanganate index showed a downward trend, the concentration of dissolved oxygen increased steadily, and the con⁃
              centration of five-day biochemical oxygen demand showed a flat trend. The monthly variation of ammonia nitrogen
              concentration was low in autumn and high in spring, summer and winter, and that of dissolved oxygen concentration
              was high in winter and spring and low in summer and autumn. The monthly variations of total phosphorus, permanga⁃
              nate index and five-day biochemical oxygen demand were relatively stable. The comprehensive pollution index of Xin⁃



                36  HUANJINGYUFAZHAN



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