A modeling assessment of association between East Asian summer monsoon and fate/outflow of alpha-HCH in Northeast Asia
文献类型：期刊论文
| 作者 | Tian, CG; Ma, JM; Liu, LY ; Jia, HL; Xu, DD; Li, YF; Xu DD(徐殿斗)
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| 刊名 | ATMOSPHERIC ENVIRONMENT
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| 出版日期 | 2009 |
| 卷号 | 43期号:25页码:3891-3901 |
| 关键词 | Organochlorine pesticide alpha-HCH Summer monsoon Northeast Asia |
| 通讯作者 | [Tian, Chongguo ; Liu, Liyan ; Li, Yi-Fan] Harbin Inst Technol, IJRC PTS, State Key Lab Urban Water Resource & Environm, Harbin 150006, Peoples R China ; [Jia, Hongliang] Dalian Maritime Univ, IJRC PTS, Dalian, Peoples R China ; [Ma, Jianmin ; Li, Yi-Fan] Environm Canada, Sci & Technol Branch, Air Qual Res Div, Toronto, ON M3H 5T4, Canada ; [Xu, Diandou] Chinese Acad Sci, IJRC PTS, Inst High Energy Phys, Beijing 100049, Peoples R China |
| 英文摘要 | Using a dynamic numerical atmospheric transport model for organochlorine pesticides (OCPs), the relationship between the East Asian summer monsoon and the fate of alpha-hexachlorocyclohexane (alpha-HCH), a banned OCP, in the atmosphere over Northeast Asia was investigated and assessed. The modeled temporal and spatial patterns and variability of alpha-HCH air concentrations during the summer months of 2005 revealed a strong link between this chemical in the atmosphere over Northeast Asia and the East Asian summer monsoon. At lower atmospheric levels, easterly and southeasterly winds blowing from relatively cold ocean surface convey alpha-HCH air concentration from southeast China to northeast China. A monsoon front extending from southeast China to Japan, characterized by a strong wind convergence, carried the air concentration to a high elevation of the atmosphere where it was delivered by southerly monsoon flow to northern China and North Pacific Ocean. This summer monsoon associated northward atmospheric transport caused a reversal of the soil/air exchange from outgassing to net deposition during spring-summer period. The modeled wet deposition fluxes of alpha-HCH agreed well with the changes in the typical summer monsoon rain bands, designated as Meiyu in China, Changma in Korea, and Baiu in Japan. The major wet deposition flux paralleled with the monsoon front as well as the monsoon rain bands. The temporal change in the fluxes exhibits abrupt northward advances, which is associated with a stepwise northward and northeastward advance of the East Asian summer monsoon. The modeled alpha-HCH outflow in the atmosphere from China occurs mostly in the summer months and through northeast China, featured strongly by the evolution of the summer month. This study suggests that the East Asian summer monsoon provides a major atmospheric pathway and summer outflows to alpha-HCH over East Asia. (C) 2009 Elsevier Ltd. All rights reserved. |
| 学科主题 | Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences |
| 类目[WOS] | Environmental Sciences ; Meteorology & Atmospheric Sciences |
| 研究领域[WOS] | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000268851600011 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/239948]  |
| 专题 | 高能物理研究所_多学科研究中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Tian, CG,Ma, JM,Liu, LY,et al. A modeling assessment of association between East Asian summer monsoon and fate/outflow of alpha-HCH in Northeast Asia[J]. ATMOSPHERIC ENVIRONMENT,2009,43(25):3891-3901. |
| APA | Tian, CG.,Ma, JM.,Liu, LY.,Jia, HL.,Xu, DD.,...&徐殿斗.(2009).A modeling assessment of association between East Asian summer monsoon and fate/outflow of alpha-HCH in Northeast Asia.ATMOSPHERIC ENVIRONMENT,43(25),3891-3901. |
| MLA | Tian, CG,et al."A modeling assessment of association between East Asian summer monsoon and fate/outflow of alpha-HCH in Northeast Asia".ATMOSPHERIC ENVIRONMENT 43.25(2009):3891-3901. |
入库方式： OAI收割
来源：高能物理研究所
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