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学科主题: Environmental Sciences; Meteorology & Atmospheric Sciences
题名: Characterization of aerosol over the Northern South China Sea during two cruises in 2003
作者: Zhang, XY ; Zhuang, GS ; Guo, JH ; Yin, KD ; Zhang, P
通讯作者: gzhuang@fudan.edu.cn
关键词: marine aerosol ; Northern South China Sea ; air-sea exchange
刊名: ATMOSPHERIC ENVIRONMENT
发表日期: 2007
卷: 41, 期:36, 页:7821-7836
收录类别: sci
部门归属: [Zhang, Xingying; Zhuang, Guoshun] Fudan Univ, Ctr Atmospher Chem Study, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China; [Zhang, Xingying; Zhang, Peng] China Meteorol Adm, Natl Satellite Meteorol Ctr, Beijing 100081, Peoples R China; [Zhang, Xingying; Zhuang, Guoshun; Guo, Jinghua] Beijing Normal Univ, Ctr Atmospher Environm Study, Beijing 100875, Peoples R China; [Guo, Jinghua] Beijing Normal Univ, Analyt & Testing Ctr, Beijing 100875, Peoples R China; [Yin, Kedong] Chinese Acad Sci, S China Sea Inst Oceanog, Guangzhou 510301, Peoples R China
项目归属: LED
摘要: Atmospheric transport of trace elements has been found to be an important pathway for their input to the ocean. TSP, PM 10, and PM2.5 aerosol samples were collected over the Northern South China Sea in two cruises in 2003 to estimate the input of aerosol from continent to the ocean. About 23 elements and 14 soluble ions in aerosol samples were measured. The average mass concentration of TSP in Cruise I in January (78 mu g m(-3)) was similar to twice of that in Cruise II in April (37 mu g m(-3)). Together with the crustal component, heavy metals from pollution sources over the land (especially from the industry and automobiles in Guangzhou) were transported to and deposited into the ocean. The atmospheric MSA concentrations in PM2.5 (0.048 mu gm(-3) in Cruise I and 0.043 mu g m(-3) in Cruise II) over Northern South China Sea were comparable to those over other coastal regions. The ratio of non-sea-salt (NSS)-sulfate to MSA is 103-655 for Cruise I and 15-440 for Cruise II in PM2.5 samples, which were much higher than those over remote oceans. The estimated anthropogenic sulfate accounts for 83-98% in Cruise I and 63-95% in Cruise II of the total NSS-sulfate. Fe (II) concentration in the aerosols collected over the ocean ranged from 0.1 to 0.9 mu g m(-3), accounting for 16-82% of the total iron in the aerosol, which could affect the marine biogeochemical cycle greatly. (C) 2007 Elsevier Ltd. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000251829500011
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5835
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Zhang, XY; Zhuang, GS; Guo, JH; Yin, KD; Zhang, P.Characterization of aerosol over the Northern South China Sea during two cruises in 2003,ATMOSPHERIC ENVIRONMENT,2007,41(36):7821-7836
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