广西科学院学报
廣西科學院學報
엄서과학원학보
JOURNAL OF GUANGXI ACADEMY OF SCIENCES
2014年
3期
170-175
,共6页
张荣灿%陈宪云%雷富%庄军莲%柯珂%姜发军%许铭本
張榮燦%陳憲雲%雷富%莊軍蓮%柯珂%薑髮軍%許銘本
장영찬%진헌운%뢰부%장군련%가가%강발군%허명본
营养水平%潜在富营养化评价模式%单因子污染指数法%富营养化指数法
營養水平%潛在富營養化評價模式%單因子汙染指數法%富營養化指數法
영양수평%잠재부영양화평개모식%단인자오염지수법%부영양화지수법
eutrophication level%potential eu-trophication assessment model%index technique of single factor%eutrophication index
【目的】调查及评价钦州湾近岸海域夏季海水富营养化水平状况。【方法】2010年6月采集钦州湾近岸海域15个站位的海水样品,测定海水中化学需氧量(COD)、无机氮(DIN)、活性磷酸盐(PO4-P)等的浓度;采用单因子污染指数法对污染程度进行评价,采用海水富营养化指数法以及潜在富营养化程度评价模式对海水富营养化水平进行评价。【结果】钦州湾近岸海域夏季海水中 COD平均浓度为1.00mg/L,DIN平均浓度为0.12mg/L、PO4-P平均浓度为0.01mg/L。单因子污染指数法评价结果显示,钦州湾近岸海域海水中COD浓度符合国家一类海水水质标准;DIN浓度超标率为20%;PO4-P浓度超标率为20%。海水富营养化指数法评价结果显示,钦州湾海域海水富营养化指数平均值为0.47;海水潜在富营养化程度评价模式评价结果显示,钦州湾海域海水营养级别为Ⅱ级。【结论】钦州湾近岸海域海水受无机氮及活性磷酸盐污染;海水富营养化水平为贫营养;钦州湾近岸海域海水富营养化程度主要受陆源污染物及海水养殖影响。
【目的】調查及評價欽州灣近岸海域夏季海水富營養化水平狀況。【方法】2010年6月採集欽州灣近岸海域15箇站位的海水樣品,測定海水中化學需氧量(COD)、無機氮(DIN)、活性燐痠鹽(PO4-P)等的濃度;採用單因子汙染指數法對汙染程度進行評價,採用海水富營養化指數法以及潛在富營養化程度評價模式對海水富營養化水平進行評價。【結果】欽州灣近岸海域夏季海水中 COD平均濃度為1.00mg/L,DIN平均濃度為0.12mg/L、PO4-P平均濃度為0.01mg/L。單因子汙染指數法評價結果顯示,欽州灣近岸海域海水中COD濃度符閤國傢一類海水水質標準;DIN濃度超標率為20%;PO4-P濃度超標率為20%。海水富營養化指數法評價結果顯示,欽州灣海域海水富營養化指數平均值為0.47;海水潛在富營養化程度評價模式評價結果顯示,欽州灣海域海水營養級彆為Ⅱ級。【結論】欽州灣近岸海域海水受無機氮及活性燐痠鹽汙染;海水富營養化水平為貧營養;欽州灣近岸海域海水富營養化程度主要受陸源汙染物及海水養殖影響。
【목적】조사급평개흠주만근안해역하계해수부영양화수평상황。【방법】2010년6월채집흠주만근안해역15개참위적해수양품,측정해수중화학수양량(COD)、무궤담(DIN)、활성린산염(PO4-P)등적농도;채용단인자오염지수법대오염정도진행평개,채용해수부영양화지수법이급잠재부영양화정도평개모식대해수부영양화수평진행평개。【결과】흠주만근안해역하계해수중 COD평균농도위1.00mg/L,DIN평균농도위0.12mg/L、PO4-P평균농도위0.01mg/L。단인자오염지수법평개결과현시,흠주만근안해역해수중COD농도부합국가일류해수수질표준;DIN농도초표솔위20%;PO4-P농도초표솔위20%。해수부영양화지수법평개결과현시,흠주만해역해수부영양화지수평균치위0.47;해수잠재부영양화정도평개모식평개결과현시,흠주만해역해수영양급별위Ⅱ급。【결론】흠주만근안해역해수수무궤담급활성린산염오염;해수부영양화수평위빈영양;흠주만근안해역해수부영양화정도주요수륙원오염물급해수양식영향。
Objective]The survey and assessment on the eutrophication level of Qinzhou bay coastal waters were conducted.[Methods]1 5 sea water samples were collected by Guangxi Qinzhou Bay in June 2010.The concentration of COD,DIN and PO4-P were determined. The pollution status of sea water was assessed by the index technique of single factor.The eutrophication level of sea water was assessed by the method of eutrophication index and po-tential eutrophication assessment model.[Results]The mean concentration of COD,DIN and PO4-P of Qinzhou bay coastal waters were 1.00mg/L,0.12mg/L,and 0.012mg/L,respec-tively.The mean concentration of COD was meet the national sea water quality standard of the first category.The over standard rate of the mean concentration of DIN and PO4-P was 20%.The mean eutrophication index of Qinzhou bay coastal waters was 0.47.The eutrophi-cation grade of Qinzhou bay coast was Ⅱdegree.[Conclusion]The sea water of Qinzhou bay coast was polluted by DIN and PO4 -P.The eutrophication level of Qinzhou bay coast was pool nutrient.The eutrophication degree of Qinzhou bay coast was mainly affected by the land?source pollutant and mariculture.