Component characteristics of polycyclic aromatic compounds in sediments of the South Mid-Atlantic Ridge

HUANG Xin; ZENG Zhigang; CHEN Shuai; YIN Xuebo; WANG Xiaoyuan; MA Yao; YANG Baoju; RONG Kunbo; SHU Yunchao; JIANG Tao

doi:10.1007/s13131-014-0564-9

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Article Navigation > Acta Oceanologica Sinica > 2014 > 33(11): 150-154

HUANG Xin, ZENG Zhigang, CHEN Shuai, YIN Xuebo, WANG Xiaoyuan, MA Yao, YANG Baoju, RONG Kunbo, SHU Yunchao, JIANG Tao. Component characteristics of polycyclic aromatic compounds in sediments of the South Mid-Atlantic Ridge[J]. Acta Oceanologica Sinica, 2014, 33(11): 150-154. doi: 10.1007/s13131-014-0564-9

Citation:

HUANG Xin, ZENG Zhigang, CHEN Shuai, YIN Xuebo, WANG Xiaoyuan, MA Yao, YANG Baoju, RONG Kunbo, SHU Yunchao, JIANG Tao. Component characteristics of polycyclic aromatic compounds in sediments of the South Mid-Atlantic Ridge[J]. Acta Oceanologica Sinica, 2014, 33(11): 150-154. doi: 10.1007/s13131-014-0564-9

Citation:

HUANG Xin, ZENG Zhigang, CHEN Shuai, YIN Xuebo, WANG Xiaoyuan, MA Yao, YANG Baoju, RONG Kunbo, SHU Yunchao, JIANG Tao. Component characteristics of polycyclic aromatic compounds in sediments of the South Mid-Atlantic Ridge[J]. Acta Oceanologica Sinica, 2014, 33(11): 150-154. doi: 10.1007/s13131-014-0564-9

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Component characteristics of polycyclic aromatic compounds in sediments of the South Mid-Atlantic Ridge

doi: 10.1007/s13131-014-0564-9

1.
Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China
2.
Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

Received Date: 2013-01-12
Rev Recd Date: 2014-03-28

Abstract

Abstract

10 samples of sediments obtained from the South Mid-Atlantic Ridge were measured for the abundances and distributions of polycyclic aromatic compounds (PAHs). The total concentrations of PAHs (∑PAHs) ranged from 2.768 to 9.826 μg/g dry sediment. The ∑PAHs was higher in sample 22V-TVG10 and sample 26V-TVG05 which were close to hydrothermal fields, with the lowest value in sample 22V-TVG14 which was farthest from hydrothermal fields, suggesting a probable hydrothermal origin of ∑PAHs of samples. Approximately nine kinds of PAHs were identified, and low molecular mass tricyclic and tetracyclic aromatic compounds were predominant in the samples. The concentrations of fluoranthene which were typical as hydrothermal alteration compounds were the highest among PAHs with dry weight between 0.913-3.157 μg/g. The phenanthrene homologue was most abundant in the samples, and the ratios between parent phenanthrene and methylphenanthrene which probably reflected the degree of hydrothermal alteration ranged from 0.097 to 1.602. The sample 22V-TVG10 possessing a maximum ratio value showed the intense influence of the hydrothermal alteration on this sample, which might further imply that PAHs in sediments were mainly derived from the hydrothermal alteration.
- South Mid-Atlantic Ridge,
- sediment,
- polycyclic aromatic compounds,
- hydrothermal activity

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References(32)

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