气候变化领域集成服务门户(CCPortal): Global-scale constraints on light-absorbing anthropogenic iron oxide aerosols

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DOI	10.1038/s41612-021-00171-0
	Global-scale constraints on light-absorbing anthropogenic iron oxide aerosols
	Lamb K.D.; Matsui H.; Katich J.M.; Perring A.E.; Spackman J.R.; Weinzierl B.; Dollner M.; Schwarz J.P.
发表日期	2021
ISSN	23973722
卷号	4 期号:1
英文摘要	Anthropogenic iron oxide aerosols (FeOx) have been identified as a climatically significant atmospheric light absorber, and as a contributor of free iron to the oceans. Here we provide global-scale constraints on their atmospheric abundance with measurements over the remote Pacific and Atlantic Oceans from aircraft campaigns spanning 10 years. We find FeOx-like aerosols are transported far from source regions with similar efficiency as black carbon particles. Strong contrast in concentrations was observed between the Northern and Southern Hemisphere Pacific. We provide observational constraints in remote regions on the ambient ratios of FeOx relative to BC from fossil fuel burning. Comparison with a global aerosol model tuned to recent observations in East-Asian source regions confirm an upward revision of emissions based on model/observation comparison over the Pacific receptor region. We find that anthropogenic FeOx-like particles generate global-scale shortwave atmospheric heating 0.3–26% of that of black carbon in remote regions where concentrations of both aerosols are very low. © 2021, This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply.
语种	英语
scopus关键词	aerosol; anthropogenic source; black carbon; concentration (composition); iron oxide; Northern Hemisphere; Southern Hemisphere; Atlantic Ocean; Pacific Ocean
来源期刊	npj Climate and Atmospheric Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/177998
作者单位	Cooperative Institute for Research in the Environmental Sciences, University of Colorado, Boulder, CO, United States; Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States; Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan; NASA Ames Research Center, Mountain View, CA, United States; Faculty of Physics, Aerosol Physics and Environmental Physics, University of Vienna, Vienna, Austria
推荐引用方式 GB/T 7714	Lamb K.D.,Matsui H.,Katich J.M.,et al. Global-scale constraints on light-absorbing anthropogenic iron oxide aerosols[J],2021,4(1).
APA	Lamb K.D..,Matsui H..,Katich J.M..,Perring A.E..,Spackman J.R..,...&Schwarz J.P..(2021).Global-scale constraints on light-absorbing anthropogenic iron oxide aerosols.npj Climate and Atmospheric Science,4(1).
MLA	Lamb K.D.,et al."Global-scale constraints on light-absorbing anthropogenic iron oxide aerosols".npj Climate and Atmospheric Science 4.1(2021).