A modeling assessment of association between East Asian summer monsoon and fate/outflow of alpha-HCH in Northeast Asia

doi:10.1016/j.atmosenv.2009.04.056

IHEP OpenIR > 多学科研究中心

	A modeling assessment of association between East Asian summer monsoon and fate/outflow of alpha-HCH in Northeast Asia
	Tian, CG; Ma, JM; Liu, LY; Jia, HL; Xu, DD; Li, YF; Xu DD(徐殿斗)
	2009
发表期刊	ATMOSPHERIC ENVIRONMENT (IF:3.629[JCR-2016],3.948[5-Year])
卷号	43 期号:25 页码:3891-3901
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
文章类型	Article
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.
关键词	Organochlorine pesticide alpha-HCH Summer monsoon Northeast Asia
学科领域	Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
DOI	10.1016/j.atmosenv.2009.04.056
URL	查看原文
收录类别	ADS
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000268851600011
ADS Bibcode	2009AtmEn..43.3891T
ADS URL	https://ui.adsabs.harvard.edu/abs/2009AtmEn..43.3891T
ADS引文	https://ui.adsabs.harvard.edu/abs/2009AtmEn..43.3891T/citations
引用统计	正在获取... 被引频次：29 [ADS]
文献类型	期刊论文
条目标识符	https://ir.ihep.ac.cn/handle/311005/239948
专题	多学科研究中心
作者单位	中国科学院高能物理研究所
第一作者单位	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.