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DOI10.5194/acp-22-9389-2022
Biomass burning and marine aerosol processing over the southeast Atlantic Ocean: a TEM single-particle analysis
Dang, Caroline; Segal-Rozenhaimer, Michal; Che, Haochi; Zhang, Lu; Formenti, Paola; Taylor, Jonathan; Dobracki, Amie; Purdue, Sara; Wong, Pui-Shan; Nenes, Athanasios; Iii, Arthur Sedlacek; Coe, Hugh; Redemann, Jens; Zuidema, Paquita; Howell, Steven; Haywood, James
发表日期2022
ISSN1680-7316
EISSN1680-7324
起始页码9389
结束页码9412
卷号22期号:14页码:24
英文摘要This study characterizes single-particle aerosol composition from filters collected during the ObseRvations of Aerosols above CLouds and their intEractionS (ORACLES) and CLoud-Aerosol-Radiation Interaction and Forcing: Year 2017 (CLARIFY-2017) campaigns. In particular the study describes aged biomass burning aerosol (BBA), its interaction with the marine boundary layer and the influence of biomass burning (BB) air on marine aerosol. The study finds evidence of BBA influenced by marine boundary layer processing as well as sea salt influenced by BB air. Secondary chloride aerosols were observed in clean marine air as well as in BB-influenced air in the free troposphere. Higher-volatility organic aerosol appears to be associated with increased age of biomass burning plumes, and photolysis or oxidation may be a mechanism for the apparent increased volatility. Aqueous processing and interaction with the marine boundary layer air may be a mechanism for the presence of sodium on many aged potassium salts. By number, biomass burning potassium salts and modified sea salts are the most observed particles on filter samples. The most commonly observed BC coatings are inorganic salts. These results suggest that atmospheric processes such as photolysis, oxidation and cloud processing are key drivers in the elemental composition and morphology of aged BBA. Fresh BBA inorganic salt content, as it has an important role in the particles' ability to uptake water, may be a key driver in how aqueous processing and atmospheric aging proceed.
学科领域Environmental Sciences; Meteorology & Atmospheric Sciences
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000828201400001
来源期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/273577
作者单位National Aeronautics & Space Administration (NASA); NASA Ames Research Center; United States Department of Energy (DOE); Oak Ridge National Laboratory; Tel Aviv University; National Aeronautics & Space Administration (NASA); NASA Ames Research Center; Centre National de la Recherche Scientifique (CNRS); UDICE-French Research Universities; Universite Paris Cite; Universite Paris-Est-Creteil-Val-de-Marne (UPEC); University of Manchester; University of Miami; Swiss Federal Institutes of Technology Domain; Ecole Polytechnique Federale de Lausanne; Foundation for Research & Technology - Hellas (FORTH); Institute of Chemical Engineering Sciences (ICE-HT); United States Department of Energy (DOE); Brookhaven National Laboratory; University of Oklahoma System; University of Oklahoma - Norman; University of Hawaii System; University of Hawaii Manoa; University of Exeter; Met Office - UK
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GB/T 7714
Dang, Caroline,Segal-Rozenhaimer, Michal,Che, Haochi,et al. Biomass burning and marine aerosol processing over the southeast Atlantic Ocean: a TEM single-particle analysis[J],2022,22(14):24.
APA Dang, Caroline.,Segal-Rozenhaimer, Michal.,Che, Haochi.,Zhang, Lu.,Formenti, Paola.,...&Haywood, James.(2022).Biomass burning and marine aerosol processing over the southeast Atlantic Ocean: a TEM single-particle analysis.ATMOSPHERIC CHEMISTRY AND PHYSICS,22(14),24.
MLA Dang, Caroline,et al."Biomass burning and marine aerosol processing over the southeast Atlantic Ocean: a TEM single-particle analysis".ATMOSPHERIC CHEMISTRY AND PHYSICS 22.14(2022):24.
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