IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Properties of aerosols and formation mechanisms over southern China during the monsoon season
Chen, Weihua1; Wang, Xuemei2; Cohen, Jason Blake2; Zhou, Shengzhen2; Zhang, Zhisheng3; Chang, Ming1; Chan, Chuen-Yu4
2016-10-28
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
Volume16Issue:20Pages:13271-13289
SubtypeArticle
AbstractMeasurements of size-resolved aerosols from 0.25 to 18 mu m were conducted at three sites (urban, suburban and background sites) and used in tandem with an atmospheric transport model to study the size distribution and formation of atmospheric aerosols in southern China during the monsoon season (May-June) in 2010. The mass distribution showed the majority of chemical components were found in the smaller size bins (< 2.5 mu m). Sulfate was found to be strongly correlated with aerosol water and anticorrelated with atmospheric SO2, hinting at aqueous-phase reactions being the main formation pathway. Nitrate was the only major species that showed a bimodal distribution at the urban site and was dominated by the coarse mode in the other two sites, suggesting that an important component of nitrate formation is chloride depletion of sea salt transported from the South China Sea. In addition to these aqueous-phase reactions and interactions with sea salt aerosols, new particle formation, chemical aging, and long-range transport from upwind urban or biomass burning regions was also found to be important in at least some of the sites on some of the days. This work therefore summarizes the different mechanisms that significantly impact the aerosol chemical composition during the monsoon over southern China.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/acp-16-13271-2016
WOS KeywordRIVER DELTA REGION ; DISPERSION MODEL FLEXPART ; MASS-SIZE DISTRIBUTIONS ; US EAST-COAST ; ORGANIC AEROSOL ; OPTICAL-PROPERTIES ; GLOBAL-MODELS ; DROPLET MODE ; HONG-KONG ; VALIDATION
Indexed BySCI
Language英语
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000387113800002
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5646
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou, Guangdong, Peoples R China
2.Sun Yat Sen Univ, Sch Atmospher Sci, Guangzhou, Guangdong, Peoples R China
3.South China Inst Environm Sci, Guangzhou, Guangdong, Peoples R China
4.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol, Xian, Peoples R China
Recommended Citation
GB/T 7714
Chen, Weihua,Wang, Xuemei,Cohen, Jason Blake,et al. Properties of aerosols and formation mechanisms over southern China during the monsoon season[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2016,16(20):13271-13289.
APA Chen, Weihua.,Wang, Xuemei.,Cohen, Jason Blake.,Zhou, Shengzhen.,Zhang, Zhisheng.,...&Chan, Chuen-Yu.(2016).Properties of aerosols and formation mechanisms over southern China during the monsoon season.ATMOSPHERIC CHEMISTRY AND PHYSICS,16(20),13271-13289.
MLA Chen, Weihua,et al."Properties of aerosols and formation mechanisms over southern China during the monsoon season".ATMOSPHERIC CHEMISTRY AND PHYSICS 16.20(2016):13271-13289.
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