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厦门港湾沉积物中有机氯农药和多氯联苯的垂直分布特征
VERTICAL DISTRIBUTION CHARACTERISTICS of ORGANOCHLORINATED PESTICIDES AND POLYCHLORINATED BIPHENYLS IN SEDIMENTS of XIAMEN BAY

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厦门港湾沉积物中有机氯农药和多氯联苯的垂直分布特征.pdf (337.4Kb)
Date
1996
Author
陈伟琪
张珞平
徐立
王新红
洪华生
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  • 环境生态-已发表论文 [1242]
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Abstract
从厦门港海区采集两根沉积物柱样,研究有机氯农药六六六(HCHS)、滴滴涕(ddTS)和多氯联苯(PCbS)在沉积物中的垂直分布。HCHS、ddTS及PCbS含量用gC法测定。取自厦门港湾口的1号柱样HCHS、ddTS和PCbS的含量范围分别为0.12~0.32ng/g,4.64~10.5ng/g和0.09~0.46ng/g;取自厦门西港内湾的5号柱样分别为0.17~0.31ng/g,3.65~159ng/g和0.19~72.7ng/g。垂直分布特征表明,湾口沉积物未受到这些有机氯化合物的明显污染,而西港内湾曾于80年代末至90年代初受到PCbS的中度污染,且近期仍有较强的ddT污染源输入。
 
Two sediment cores collected From Xiamen Bay were studied on the vertical distributions of organochlorinated pesticides (HCHs and DDTs) and polychlorinated biphenyls (PCBs) in the sediments.The concentrations of HCHs, DDTs and PCBs were determined by gas chromatography (GC). Concentration ranges of HCHs, DDTs and PCBs in No.1 core, collected at the inlet of Xiamen Bay, were 0.12-0.32 ng/g, 4.64-10.5ng/g and 0.09-0.46ng/g, respectively; those For No.5 core, collected at the inner of Xiamen Western Bay, were 0.17-0.31 ng/g , 3.65-159ng/g and 0.19-72.7 ng/g, respectively.The vertical distribution characteristics indicated that the sediment at inlet of Xiamen Bay had not been evidently polluted by these organochlorine compounds, but the inner of Xiamen Western Bay was moderately polluted by PCBs in 1989-1990 and input DDT into the inner of Xiamen Western Bay is still in existence.
 
Citation
海洋科学,1996,(2):56-60
URI
https://dspace.xmu.edu.cn/handle/2288/108314

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