globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070062
论文题名:
Global modeling of tropospheric iodine aerosol
作者: Sherwen T.M.; Evans M.J.; Spracklen D.V.; Carpenter L.J.; Chance R.; Baker A.R.; Schmidt J.A.; Breider T.J.
刊名: Geophysical Research Letters
ISSN: 0094-8596
EISSN: 1944-8327
出版年: 2016
卷: 43, 期:18
起始页码: 10012
结束页码: 10019
语种: 英语
英文关键词: aerosol ; dimethyl sulfide ; DMS ; iodine ; marine boundary layer ; sulfate
Scopus关键词: Boundary layers ; Iodine ; Sulfur compounds ; Aerosol concentration ; Dimethyl sulfide ; Marine boundary layers ; Maximum concentrations ; Observational data ; Ocean-atmosphere interactions ; Secondary aerosols ; Sulfate ; Aerosols
英文摘要: Natural aerosols play a central role in the Earth system. The conversion of dimethyl sulfide to sulfuric acid is the dominant source of oceanic secondary aerosol. Ocean emitted iodine can also produce aerosol. Using a GEOS-Chem model, we present a simulation of iodine aerosol. The simulation compares well with the limited observational data set. Iodine aerosol concentrations are highest in the tropical marine boundary layer (MBL) averaging 5.2 ng (I) m−3 with monthly maximum concentrations of 90 ng (I) m−3. These masses are small compared to sulfate (0.75% of MBL burden, up to 11% regionally) but are more significant compared to dimethyl sulfide sourced sulfate (3% of the MBL burden, up to 101% regionally). In the preindustrial, iodine aerosol makes up 0.88% of the MBL burden sulfate mass and regionally up to 21%. Iodine aerosol may be an important regional mechanism for ocean-atmosphere interaction. ©2016. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84990020627&doi=10.1002%2f2016GL070062&partnerID=40&md5=3832d6f0816873a0efdef579e26f7e4f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9559
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, United Kingdom

Recommended Citation:
Sherwen T.M.,Evans M.J.,Spracklen D.V.,et al. Global modeling of tropospheric iodine aerosol[J]. Geophysical Research Letters,2016-01-01,43(18).
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