本科学生毕业论文2015年3月4日论文题目:何家沟水质污染现状调查与评价学院:年级:专业:环境科学姓名:学号:指导教师:摘要近年来,随着社会经济的高速发展,我国各个地区的水质污染问题,也渐渐的呈现在了我们眼前。其中,由于各个城市的相关区域都存在着较大量的废水污染物,因此,城市中河流的环境所面临的具体压力,也就变得越来越大。虽然国内很多学者及相关人士,都倡导对水质污染问题进行解决,而政府也在一定程度上制定了措施,但是,总体来说,我国水环境的质量,根本没能得到任何改善,甚至还出现了恶化的情况,这让我们深觉中国政府办事不利的同时,也不能不对其进行重视。现如今,国内很多地区的河涌黑臭现象都十分严重,而市民对水质污染的现状,反映也十分强烈。因此,笔者认为,对城市内水质进行监测分析,并对其进行具体的综合整治,十分重要,这也基本是城市发展中最为重要的任务之一。据此,笔者在实际情况中,以哈尔滨何家沟为例,对其水质污染现状进行了调查,并对其进行了一定的评价。首先,本文介绍了哈尔滨水体构成及何家沟以前及现在的自然环境,其中,也涉及到了哈尔滨何家沟治理工程的问题。其次,本文对何家沟是几级水体进行了确定,并明确了其具体的评价标准,其中,也涉及到了污水处理厂和群力污水处理厂及其他污水排放工厂和生活污水对何家沟造成的影响。再者,本文对该地区的污染源及污染物排放情况、生态功能和汛期泄洪能力进行了研究,并在实际情况中收集了相关的数据,对其进行对比。最后,本文在了解了何家沟自然环境状况的基础上,对何家沟流域内主要污染源及污染物排放情况进行了实际调查,分析了主要污染源和主要污染物,根据污染源分布情况,确定了何家沟水质监测方案,针对发现的污染问题,提出了可行的污染防治措施,力求能够为何家沟水质污染现状的整治,提供一定的理论依据。关键词何家沟;水质污染;现状;调查AbstractInrecentyears,withtherapiddevelopmentofsocialeconomy,theproblemsofwaterpollutioninvariousregionsofourcountry,hasgraduallyappearedinfrontofus.Amongthem,becausetherelevantregionalcitieshavewastewaterpollutants,therelativelylargenumberoftherefore,specificpressureofurbanriverintheenvironmentfacing,itbecomesmoreandmorelarge.Althoughmanydomesticscholarsandrelatedpeople,haveadvocatedforthewaterpollutionproblemtosolve,andthegovernmenthastoacertainextent,measureshavebeenformulated,however,generallyspeaking,thequalityofwaterenvironmentinChina,arenotimproved,andevenappearedinthedeteriorationofthesituation,whichmakesusdeepsleepChinesegovernmentincompetenceatthesametime,alsocannotnotbeattachedimportanceto.Nowadays,thephenomenonofblackodorriversinmanyregionsofthecountryareveryserious,andthepubliconthepresentsituationofwaterpollutionisalsoverystrong,reflectingthe.Therefore,theauthorthinks,monitorandanalysisofwaterqualityinthecity,anditisveryimportanttocarryoutacomprehensiverenovation,thespecific,thisalsoisoneofthemostimportanttasksinthedevelopmentofacity.Accordingly,theauthorintheactualsituation,takingHarbinHejiachannelasanexample,hascarriedontheinvestigationonthepollutionstatusofIDEstandards,andhascarriedoncertainevaluation.Firstofall,thispaperintroducestheconstitutionofHarbinwaterandHejiachannelbeforeandnowofthenaturalenvironment,whichalsoinvolvedtheHarbinHejiachannelregulationprojectproblem.Secondly,thispapertoHejiaisafewlevelsofwaterweredetermined,andclearoutthespecificevaluationcriteria,whichalsoinvolvedtheinfluenceofthesewagetreatmentplantandQunlisewagetreatmentplantandothersewagedischargeofsewageplantsandtoHejiachannelcausedby.Furthermore,thispaperstudiedtheareapollutionsourcesandpollutants,theecologicalfunctionandflooddischargecapacity,andintheactualsitua...