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时间:2019-11-29
《太湖水环境综合治理的实践与思考》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、第40卷第2期河海大学学报(自然科学版)Vo1.40No.22012年3月JournalofHohaiUniversity(NaturalSciences)Mar.2O12DOI:10.3876/j.issn.1000-1980.2012.02.001太湖水环境综合治理的实践与思考吕振霖(江苏省水利厅,江苏南京210093)摘要:回顾并总结近年来太湖水环境综合治理的做法和效果.经过近5年的持续努力,太湖水环境治理已经取得初步成效,蓝藻暴发减弱,湖体水质得到改善,湖泛基本消失.实践证明,目前太湖水环境
2、综合治理采取的控源治污、打捞蓝藻、生态清淤、调水引流措施是行之有效的.认为对于太湖这样的浅水型湖泊污染治理,控源是基本思路,转变发展方式是必由之路,生态清淤是有效措施,促进河湖良性互动是必要途径,正确把握湖泊的生命规律是重要课题;由于太湖污染的长期积累,太湖已形成的“藻型生境条件”很难在短期内得到根本改变,加之现有的入湖污染仍远超湖体允许的纳污能力,一旦温度、水流、光照等外部条件适宜,太湖蓝藻生态危害仍然可能大规模暴发,太湖水环境形势依然严峻.关键词:太湖;水环境综合治理;治理措施;江苏省中图分类号
3、:)(524文献标志码:A文章编号:1000一l980(2012)02—0123—06Practiceandthouglatsoneomprehemivetreatmentofwaterpollutionin]~lihuLakeLVZhen-lin(fiaagsuWaterResourcesDepartment,Nanfing210093,China)Abstract:Thispaperprovidesareviewofpracticeandeffectsofcomprehensivetreatme
4、ntofwaterpollutioninTaihuLakeinrecentyears.Throughfiveyears’continuousefortsofthegovernment,preliminaryachievementshavebeenmade,includingthedecreaseofblue-greenalgalblooms,improvementofwaterquality,andthedisappearanceofblackwateraggregation.Practicesho
5、wsthatthepollutionsourcecontrol,blue—greenalgaecollection,ecologicaldredging,andwaterdiversionalefeasiblemeasuresforcomprehensivetreatmentofwaterpollutioninTaihuLake.ItispointedoutthatthepollutioncontrolofTaihuLakeshouldbebasedon‘afundamentalconceptofp
6、ollutionsourcecontrol,andtheeffectivemeasuresincludeecologicaldredging,strengtheningofpositiveinteractionbetweenriversandlakes,andaccuraterecognitionofthenaturalfeaturesofthelake.Duetothelong—termpollutioninTaihuLake,itisdificulttochangethealgaehabimtt
7、hatformsinthelakeinashortperiod.Inaddition,thepollutionloadflowingintothelakehasfarexceededthepollutioncarryingcapacityofthelake,whichmayleadtolarge—scaleblue—greenalgalblomsincasesofsuitabletemperature,flow,andsunlight.ThewaterenvironmentinTaihuLakeis
8、stillfacingthreats.Keywords:TaihuLake;comprehensivetreatmentofwaterpollution;controlmeasures;JiangsuProvince2007年5月,太湖因暴发蓝藻生态危害,导致区域供水危机,引起中央和社会各界的广泛关注.在2008年全国“两会”(“全国人民代表大会”和“中国人民政治协商会议”)期间,胡锦涛总书记明确提出要“让太湖这颗江南明珠重现碧波美景”;温家宝总理同年在视察太湖水环境
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