趨勢(shì)分析在水質(zhì)管理中的應(yīng)用研究.pdf

1、分類(lèi)編號(hào).密級(jí)：?jiǎn)挝淮a：10065學(xué)號(hào)：09208020研究生學(xué)位論文論文題目：趨勢(shì)分析在水質(zhì)管理中的應(yīng)用研%學(xué)生姓名：陳水蓉申請(qǐng)學(xué)位級(jí)別：碩士申請(qǐng)專(zhuān)業(yè)名稱(chēng)：環(huán)境科學(xué)研究方向：水環(huán)境與水資源指導(dǎo)教師姓名：吳光紅專(zhuān)業(yè)技術(shù)職稱(chēng)：副教授提交論文日期：2010年3月20日AbstractAsthebasisofwaterqualitymanagementplanningthewaterqualitytrendanalysishasbeenpa

2、idmemeattention.Inthisfiledourcountrystartedlateweusuallyusesimplevisualttoexpressbutseldomusemultiplestatisticmethodtrendstatisticalmethod.Meovertheapplicationoftrendanalysisinwaterqualitymanagementhasnotbeensystematica

3、llyrepted.ThisstudysystematicallyreviewedthecommonlyusedmethodsinwaterqualitymanagementsuchastheLOWESSsmoothing，theDanielstrendstest，thenonparametricMannKendaH!stestandSensmethodtheseasonalKendallstestatal.，indertosupply

4、atheeticalreferencefotherresearchesonwaterqualitymanagement.Meanwhile，wetakeHaiheYuqiaoreservoirfexamplestoexaminethefeasibilityavailabilityoftrendanalysismethodsappliedinwaterqualitymanagementofriverreservoir.Atpresentt

5、herehasbeenalotofresearchontheganicpollutioneutrophicationpollutionheavymetalspollutionoftheHaiheRiver.Howevertheresearchonitswaterpollutiontrendhasnotbeencommon.WaterqualitytrendsofoftheHaiheRiver(theurbansectioninTianj

6、in)weredeterminedwiththeapplicationoftheLOWESSsmoothingDanielstrendtestffiveparameterschlide(Cl)dissolvedoxygen(DO)，biochemicaloxygendem(BOD)chemicaloxygendem(CODMn)ammonianitrogen(NH3N)between19862005.Theresultshowedtha

7、tinthefivewaterqualityparametersonlyDOcouldmeetthegradeIIofEnvironmentalqualitystardsfsurfacewaterCODreachedthegradeIVBODNH3NchangedalotreachedthegradeIVonaveragebutNH3NreachedthegradeVinsomeyears.ThevaluesofCIweremethan

8、thecentralizeddrinkingwaterstardseveryyearuptofivetimesmostly.Onthewholethewaterqualitygotwsethentendedtobegoodoverthelast20years.CIBODincreasedslightlyCODincreasedsignificantly(Rs=0.4075，a0.05).WhileDOincreasedverysigni

9、ficantly(Rs=0.5320a0.01).MeoverNH3Ndeclined.ThisshowsthatduringtheTenthFiveYearPlanoftheHaiheRiverBasinWaterPollutionControlthetotalcontrolofpollutantemissionsthetotalcontrolofpollutantsintotherivertheestablishmentofalar

10、genumberofsewagetreatmentprojectsthatwerecarriedoutinTianjinotherseriesoftheHaihegovernanceprojectmeasureshadachievedpositiveeffectiveresults.WaterqualitytrendseutrophicationdegreeofYuqiaoReservoirhasbecomethefocusofatte