Arid
DOI10.1029/2021JD036070
Abundance and Fractional Solubility of Aerosol Iron During Winter at a Coastal City in Northern China: Similarities and Contrasts Between Fine and Coarse Particles
Zhang, Huanhuan; Li, Rui; Dong, Shuwei; Wang, Fu; Zhu, Yujiao; Meng, He; Huang, Chengpeng; Ren, Yan; Wang, Xinfeng; Hu, Xiaodong; Li, Tingting; Peng, Chao; Zhang, Guohua; Xue, Likun; Wang, Xinming; Tang, Mingjin
通讯作者Tang, MJ (corresponding author),Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangdong Key Lab Environm Protect & Resources ut, Guangzhou, Peoples R China. ; Tang, MJ (corresponding author),Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Hong Kong Macao Joint Lab Environm Poll, Guangzhou, Peoples R China. ; Tang, MJ (corresponding author),CAS Ctr Excellence Deep Earth Sci, Guangzhou, Peoples R China. ; Tang, MJ (corresponding author),Univ Chinese Acad Sci, Beijing, Peoples R China.
来源期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2022
卷号127期号:1
英文摘要Aerosol deposition is a major source of soluble Fe in open oceans, affecting marine biogeochemistry and primary production. However, Fe fractional solubility, a key parameter in estimating deposition fluxes of soluble aerosol Fe, is still highly uncertain. Abundance and fractional solubility of aerosol Fe in fine (<1 mu m) and coarse (>1 mu m) particles was measured at Qingdao (a coastal city in northern China) in November-December 2019. Average concentrations of total and soluble Fe were found to be 798 +/- 466 and 7.7 +/- 14.5 ng/m(3) in coarse particles, and 801 +/- 534 and 7.3 +/- 7.6 ng/m(3) in fine particles. Fe solubility was significantly lower in coarse particles (average: 0.80 +/- 1.03%) than fine particles (average 1.29 +/- 1.41%). Compared to clean days, total Fe concentration was substantially increased during dust and haze days; however, Fe solubility was significantly reduced in dust days and elevated in haze days. Acid processing significantly enhanced Fe solubility in both fine and coarse particles, and the contribution of primary emission to Fe solubility enhancement was important for fine particles but minor for coarse particles. Higher Fe solubility (>1%) in fine and coarse particles was usually observed at high aerosol acidity (pH < 4) and high RH (>60%), suggesting critical roles of aerosol acidity and water content in regulating aerosol Fe solubility.
英文关键词aerosol acidity aerosol iron chemical processing desert dust combustion aerosol solubility
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000740960900009
WOS关键词RIVER DELTA REGION ; MINERAL DUST ; CHEMICAL-CHARACTERIZATION ; COMBUSTION AEROSOLS ; PARTICULATE-MATTER ; ACID-MOBILIZATION ; BACKGROUND SITE ; PH ; METALS ; TRENDS
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/376553
作者单位[Zhang, Huanhuan; Li, Rui; Dong, Shuwei; Hu, Xiaodong; Li, Tingting; Peng, Chao; Zhang, Guohua; Wang, Xinming; Tang, Mingjin] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangdong Key Lab Environm Protect & Resources ut, Guangzhou, Peoples R China; [Zhang, Huanhuan; Li, Rui; Dong, Shuwei; Hu, Xiaodong; Li, Tingting; Peng, Chao; Zhang, Guohua; Wang, Xinming; Tang, Mingjin] Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Hong Kong Macao Joint Lab Environm Poll, Guangzhou, Peoples R China; [Zhang, Huanhuan; Li, Rui; Tang, Mingjin] CAS Ctr Excellence Deep Earth Sci, Guangzhou, Peoples R China; [Wang, Fu; Huang, Chengpeng; Ren, Yan] Longhua Ctr Dis Control & Prevent Shenzhen, Shenzhen, Peoples R China; [Zhu, Yujiao; Wang, Xinfeng; Xue, Likun] Shandong Univ, Environm Res Inst, Qingdao, Peoples R China; [Meng, He] Qingdao Ecoenvironm Monitoring Ctr Shandong Prov, Qingdao, Peoples R China; [Zhang, Huanhuan; Tang, Mingjin] Univ Chinese Acad Sci, Beijing, Peoples R China
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Zhang, Huanhuan,Li, Rui,Dong, Shuwei,et al. Abundance and Fractional Solubility of Aerosol Iron During Winter at a Coastal City in Northern China: Similarities and Contrasts Between Fine and Coarse Particles[J],2022,127(1).
APA Zhang, Huanhuan.,Li, Rui.,Dong, Shuwei.,Wang, Fu.,Zhu, Yujiao.,...&Tang, Mingjin.(2022).Abundance and Fractional Solubility of Aerosol Iron During Winter at a Coastal City in Northern China: Similarities and Contrasts Between Fine and Coarse Particles.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,127(1).
MLA Zhang, Huanhuan,et al."Abundance and Fractional Solubility of Aerosol Iron During Winter at a Coastal City in Northern China: Similarities and Contrasts Between Fine and Coarse Particles".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 127.1(2022).
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