南四湖水质空间分布特征分析与改善效果评估 Analysis of spatial distribution of water quality and assessment of water quality improvement in Nansi Lake.pdfVIP
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南四湖水质空间分布特征分析与改善效果评估 Analysis of spatial distribution of water quality and assessment of water quality improvement in Nansi Lake
第28卷第6期 水资源保护 2012年11月 V01.28No.6 WATERRESOURCESPROTECTl0N Nov.2012 DoI:10.3969/j.issn.1004—6933.2012.06.001 南四湖水质空间分布特征分析与改善效果评估 武周虎1,张 可2,金玲仁3,杨连宽4,张建5 3.山东省环境监测中心站,山东济南250013;4.济宁市环境保护监测站,山东济宁272045; 5.山东大学环境科学与工程学院,山东济南250100) 采用Su如r8.0软件绘制南四湖水质空间分布等值线图,进行南四湖及分湖区水质指标的综合比 较分析和平均综合污染指数的计算与污染控制效果评估。结果表明:南四湖cOD、NH,一N、TP、’11N 各水质指标的平均浓度下降率为38.3%,整体提高了1—2个水质类别;按GB3838_2002《地表水 环境质量标准》中Ⅲ类标准相应的平均综合污染指数进行评价,达标和基本达标湖区的比例达到 NH,一N;水质平均综合污染指数与电导率存在很好的相关性和北高南低的污染特点,说明南四湖水 污染物仍然以外源排放为主。 关键词:水质空间分布;特征分析;平均综合污染指数;污染控制;效果评估;南四湖 中图分类号:x821;)(524文献标志码:A of distributionofwater andassessmentof AnalysisspatiaI quality water inNansiLake qualityimprovement WU Ji釉’ Zhou_hul.ZHANGKe2,J矾Ling-ren3,YANGLian-kuan4,ZlnNG (1.。s如oof矿勘旃D乃me忍抛z口忍d且妃尼记咖口Z西研阳洲昭,Qi,轷勘死如加始站oz跏溉乃妨, pingdno266033,C危i,}n; 2. B口sinE,L秽iron,,}enfoZ^妃no』g它,,le凡£0力铋e,上九p口n,rLen£o厂E,L秒irDn,rLen£oZProfectio凡o,。 i%口r掘ongPr例i,}ce,.^’n口n250012,Chi凡n; 3. Pro口i,Lce S^ondorogE,}口i,.on,,lenfof^叠bniforiHgCen£er,I,i’no扎250013,C危in口; E,}秽iro乃men£nZ 4.。凡n;,}gCify PrD≠ec£ion^知nito广i,lg.stotion,。厅ning272045,傩ino; 5. Sc矗ooZ 250100,吼ino) o厂E聊iro肌跏剃Scienceo以E昭inee矗粥,蹴ondo馏跏池瑙叻,五’non ondataofthe distributionofwater monitoredfour Abstract:Based spatial quality times,in in Lakeandsub— and201 90 inNansi distributionofwater Na
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