Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.5194/acp-19-1195-2019 |
In-cloud formation of secondary species in iron-containing particles | |
Lin, Qinhao1; 39;an2 | |
2019-01-30 | |
发表期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS
![]() |
ISSN | 1680-7316 |
EISSN | 1680-7324 |
出版年 | 2019 |
卷号 | 19期号:2页码:1195-1206 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | The increase in secondary species through cloud processing potentially increases aerosol iron (Fe) bioavailability. In this study, a ground-based counterflow virtual impactor coupled with a real-time single-particle aerosol mass spectrometer was used to characterize the formation of secondary species in Fe-containing cloud residues (dried cloud droplets) at a mountain site in southern China for nearly 1 month during the autumn of 2016. Fe-rich, Fe-dust, Fe-elemental carbon (Fe-EC), and Fe-vanadium (Fe-V) cloud residual types were obtained in this study. The Fe-rich particles, related to combustion sources, contributed 84% (by number) to the Fe-containing cloud residues, and the Fe-dust particles represented 12 %. The remaining 4% consisted of the Fe-EC and Fe-V particles. It was found that above 90% (by number) of Fe-containing particles had already contained sulfate before cloud events, leading to no distinct change in number fraction (NF) of sulfate during cloud events. Cloud processing contributed to the enhanced NFs of nitrate, chloride, and oxalate in the Fe-containing cloud residues. However, the in-cloud formation of nitrate and chloride in the Fe-rich type was less obvious relative to the Fe-dust type. The increased NF of oxalate in the Fe-rich cloud residues was produced via aqueous oxidation of oxalate precursors (e.g., glyoxylate). Moreover, Fe-driven Fenton reactions likely increase the formation rate of aqueous-phase OH, improving the conversion of the precursors to oxalate in the Fe-rich cloud residues. During daytime, the decreased NF of oxalate in the Fe-rich cloud residues was supposed to be due to the photolysis of Fe-oxalate complexes. This work emphasizes the role of combustion Fe sources in participating in cloud processing and has important implications for evaluating Fe bioavailability from combustion sources during cloud processing. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000457256500003 |
WOS关键词 | PEARL RIVER DELTA ; AEROSOL MASS-SPECTROMETER ; MIXING STATE ; ORGANIC AEROSOL ; MINERAL DUST ; TRANSITION-METALS ; MOUNTAIN SITE ; OXALIC-ACID ; CHEMISTRY ; REACTIVITY |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/24947 |
专题 | 地球科学 |
作者单位 | 1.Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China; 2.Chinese Acad Sci, Guangdong Key Lab Environm Resources Utilizat & P, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China; 3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China; 4.Jinan Univ, Inst Mass Spectrometer & Atmospher Environm, Guangzhou 510632, Guangdong, Peoples R China; 5.Guangdong Environm Monitoring Ctr, State Environm Protect Key Lab Reg Air Qual Monit, Guangzhou 510308, Guangdong, Peoples R China; 6.Rutgers State Univ, Dept Environm Sci, New Brunswick, NJ 08901 USA; 7.Shaoguan Environm Monitoring Ctr, Shaoguan 512026, Peoples R China |
推荐引用方式 GB/T 7714 | Lin, Qinhao,39;an. In-cloud formation of secondary species in iron-containing particles[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(2):1195-1206. |
APA | Lin, Qinhao,&39;an.(2019).In-cloud formation of secondary species in iron-containing particles.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(2),1195-1206. |
MLA | Lin, Qinhao,et al."In-cloud formation of secondary species in iron-containing particles".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.2(2019):1195-1206. |
条目包含的文件 | 条目无相关文件。 |
个性服务 |
推荐该条目 |
保存到收藏夹 |
查看访问统计 |
导出为Endnote文件 |
谷歌学术 |
谷歌学术中相似的文章 |
[Lin, Qinhao]的文章 |
[39;an]的文章 |
百度学术 |
百度学术中相似的文章 |
[Lin, Qinhao]的文章 |
[39;an]的文章 |
必应学术 |
必应学术中相似的文章 |
[Lin, Qinhao]的文章 |
[39;an]的文章 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论