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Occurrence and gas/particle partitioning of PAHs in the atmosphere from the North Pacific to the Arctic Ocean
Wang, Zhen1; Na, Guangshui1; Ma, Xindong1,2; Fang, Xiaodan1; Ge, Linke1; Gao, Hui1; Yao, Ziwei1
关键词Pahs Gas/particle Partitioning Arctic Ocean Soot-air Model Particle Fraction
刊名ATMOSPHERIC ENVIRONMENT
2013-10-01
DOI10.1016/j.atmosenv.2013.05.052
77页:640-646
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Environmental Sciences ; Meteorology & Atmospheric Sciences
研究领域[WOS]Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; POLYCHLORINATED-BIPHENYLS ; DIFFERENT TEMPERATURES ; ORGANIC POLLUTANTS ; VAPOR-PRESSURES ; GAS ; AIR ; URBAN ; PCBS ; ADSORPTION
英文摘要Gas- and particle-phase polycyclic aromatic hydrocarbons (PAHs) were collected in the atmosphere from the North Pacific to the Arctic Ocean to investigate their occurrence and gas/particle distribution. Significant linear correlations were observed between the gaseous concentrations of 9 PAHs and latitudes (r(2) = 0.69). The regression of gaseous PAHs and 1/T also gave a certain extent correlation (r(2) = 0.46). The gas/particle partition coefficients (K-p) correlated well with the sub-cooled liquid vapor pressures (p L) of PAHs with slopes higher than the theoretical value of -1, and the regressions of logKp-logp(0)L L possessed a general tendency to intersect at a point (-2.52, -1.60). The non-linear regression of logp(0)L, and the particle fraction displayed a more significant correlation (r(2) = 0.84) than the linear relation of logICp -logeL (r(2) = 0.69). The influence of soot on Kp was investigated, and it was found that the predicted values derived from the soot-air model agreed relatively better with the field measurements than those calculated based on the Junge-Pankow model and the K-OA-based model. The results indicated that soot played an important role on the partitioning of PAHs to aerosols, and the partitioning of PAHs is more sensitive to presence of elemental carbon compared to organic matter of the aerosol. (C) 2013 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000324848500067
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被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137891
专题中国科学院大连化学物理研究所
作者单位1.Natl Marine Environm Monitoring Ctr, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Wang, Zhen,Na, Guangshui,Ma, Xindong,et al. Occurrence and gas/particle partitioning of PAHs in the atmosphere from the North Pacific to the Arctic Ocean[J]. ATMOSPHERIC ENVIRONMENT,2013,77:640-646.
APA Wang, Zhen.,Na, Guangshui.,Ma, Xindong.,Fang, Xiaodan.,Ge, Linke.,...&Yao, Ziwei.(2013).Occurrence and gas/particle partitioning of PAHs in the atmosphere from the North Pacific to the Arctic Ocean.ATMOSPHERIC ENVIRONMENT,77,640-646.
MLA Wang, Zhen,et al."Occurrence and gas/particle partitioning of PAHs in the atmosphere from the North Pacific to the Arctic Ocean".ATMOSPHERIC ENVIRONMENT 77(2013):640-646.
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