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dc.contributor.author刘琼玉
dc.contributor.author洪华生
dc.contributor.author洪丽玉
dc.date.accessioned2016-05-17T02:59:52Z
dc.date.available2016-05-17T02:59:52Z
dc.date.issued1995
dc.identifier.citation海洋通报,1995,(6):49-55
dc.identifier.issn1001-6392
dc.identifier.otherHUTB199506007
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/108029
dc.description.abstract1994年10月调查研究了厦门西海域表层沉积物样品中Cu,Pb,zn,Cd在不同粒度颗粒中不同结合态的含量.结果表明,该海域表层沉积物中Cu,PH,zn,Cd在弱结合态中有一较稳定的分配比;Cu,Pb,zn,Cd的平均浓度分别为30.2,77.2,144.2,0.7Mg/kg;根据底质评价标准,zn,Pb严重超标.采用底质中某污染物的混合模式估算出该海域沉积物中Cu,PH,zn,Cb在天然风化部分的平均含量分别为21.1,46.8,104.3,0.46Mg/kg;Cu,Pb,zn,Cd人为增量平均占总量的30%左右.相关分析的结果表明,该海域表层沉积物中Cu,zn的行为紧密相关且可能与生物活动有关、总含量平面分布的结果表明九龙江径流对该海域Pb,Cd有较大的输入作用,但是Cu,zn却主要来自市区排污.
dc.description.abstractThe contents of Cu, Pb, Zn and Cd in diFFerent size Fraction of sediments and in various Forms were investigated in Xiamen Western Sea during October, 1994.The mean concentrations of Cu, Pb, Zn, Cd are 30.7, 77.2, 144.2, 0.7mg/kg, respectively, with that of Zn and Pb exceeding the unpolluted sediment background value.It is indicated that there is relatively stable distribution ratio between leachable Forms and reFratory Forms of metals in the area, about 8%-16% For Cu, Pb, Zn and 16%-34% For Cd in leachable Forms.A Sediment Pollutant Mixing Model is applied to estimate the natural background concentration of heavy metals in Xiamen Western Sea, and that of Cu, Pb, Zn, and Cd are determined to be 21.0, 46.8, 104.3, 0.46mg/kg respectively.The anthropogenic input of Cu, Pb, Zn, Cd are about 30% of the total concentration.The signiFicant correlations between Zn and Cu and of the two with organic matters in the area suggested similar sources of Zn, Cu and the inFluence of biological activities.The study also indicate that the Jiulong River runofF is relatively important For Pb and Cd input in Xiamen Western Sea sediments, while Cu and Zn are mostly input From the urban pollution.
dc.description.sponsorship国家自然科学基金资助项目(49356001)
dc.language.isozh_CN
dc.subject沉积物
dc.subject重金属
dc.subject厦门西海域
dc.subject来源
dc.subject结合态
dc.subjectsediment
dc.subjectheavy metal
dc.subjectXiamen Western Sea
dc.subjectsource
dc.subjectForm
dc.title厦门西海域表层沉积物重金属的分布特征及来源探讨
dc.title.alternativeDISTRIBUTION FEATURES AND SOURCES of Cu, Pb, Zn AND Cd IN XIAMEN WESTERN SEA SEDIMENTS
dc.typeArticle


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