2023年1月JournalofGreenScienceandTechnology第25卷第2期收稿日期:2022-10-25作者简介:王璐(1989-),女,工程师,研究方向为环境监测与分析。辽宁地区16座水库水质变化趋势分析与风险研究王璐(辽宁省生态环境监测中心,辽宁沈阳110061)摘要:对辽宁省水库近20年的监测数据进行整理、分析,发现全省监测的水库中水质总体保持稳定,但水库营养状态指数有不同程度上升,得出了结论:辽宁地区16座水库未来存在富营养化风险。采用相关性分析和多元线性回归分析了水库各项监测数据,结果表明:入库河流总氮浓度是对库区水质影响较大的因素,是造成水库总氮浓度上升的主要原因之一。为此,提出了未来应以水库上游及周边非点源为主要综合防治对象,将入库河流总氮、总磷作为重要控制指标,以实现总氮、总磷负荷削减,减轻入库氮磷负荷压力。关键词:水库;变化趋势;风险研究;辽宁省中图分类号:X52文献标识码:A文章编号:1674-9944(2023)02-0103-04AnalysisandRiskofWaterQualityChangeTrendsin16ReservoirsinLiaoningProvinceWangLu(LiaoningProvincialEcologicalEnvironmentMonitoringCenter,Shenyang,Liaoning110061,China)Abstract:AftersortingoutandanalyzingthemonitoringdataofthereservoirsinLiaoningProvinceinthepast20years,itisfoundthatthewaterqualityofthereservoirsmonitoredintheprovinceisgenerallystable,butthenutrientstateindexofthereservoirshasrisentovaryingdegrees.Itisconcludedthat16reservoirsinLia-oningProvinceareatriskofeutrophicationinthefuture.Throughcorrelationanalysisandmultiplelinearre-gressionanalysisofvariousmonitoringdataofthereservoir,itisconcludedthattheincreaseoftotalnitrogenconcentrationintheinflowriverisamajorfactorthathasagreaterimpactonthewaterqualityofthereser-voirarea,whichisoneofthemainreasonsfortheincreaseoftotalnitrogenconcentrationinthereservoir.Inthefuture,thenon-pointsourcesattheupstreamofthereservoirandaroundthereservoirshouldbetakenasthemainobjectofcomprehensivepreventionandcontrol,andthetotalnitrogenandphosphorusinthein-flowrivershouldbetakenasimportantcontrolindicatorstoreducethetotalnitrogenandphosphorusloadandreducethepressureonthenitrogenandphosphorusloadinthereservoir.Keywords:reservoirs;changetrends;riskresearch;LiaoningProvince1辽宁省...
