Arid
DOI10.1029/2008GL036467
A decade of dust: Asian dust and springtime aerosol load in the US Pacific Northwest
Fischer, E. V.1; Hsu, N. C.2; Jaffe, D. A.3; Jeong, M. -J.2,4; Gong, S. L.5
通讯作者Fischer, E. V.
来源期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2009
卷号36
英文摘要

We integrate SeaWiFS aerosol optical thickness (AOT) over the Taklamakan and Gobi Deserts with U. S. aerosol observations to study surface aerosol variability in the Northwest U. S. in relation to Asian dust emissions. The results indicate that similar to 50% of the interannual variability in springtime average PM2.5 and PM10 can be explained by changes in Asian dust emissions. On a seasonal timescale, variations in dust emissions appear to be more important in determining the total material crossing the Pacific than the variations in meteorology represented by the PNA or the LRT3 indices. We are able to explain similar to 80% of the interannual variability using three variables: AOT, a transport index, and regional precipitation. This suggests that a strong source, favorable transport and sufficient residence time are needed for Asian dust to have a maximum seasonal impact in the Northwest. The results contextualize case studies and demonstrate the utility of the Deep Blue algorithm. Citation: Fischer, E. V., N. C. Hsu, D. A. Jaffe, M.-J. Jeong, and S. L. Gong (2009), A decade of dust: Asian dust and springtime aerosol load in the U. S. Pacific Northwest, Geophys. Res. Lett., 36, L03821, doi: 10.1029/2008GL036467.


类型Article
语种英语
国家USA ; Canada
收录类别SCI-E
WOS记录号WOS:000263328600005
WOS关键词UNITED-STATES ; SIMULATED CLIMATOLOGY ; TRANSPORT ; REGIONS
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/160828
作者单位1.Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA;
2.NASA, Goddard Space Flight Ctr, Div Earth Sci, Greenbelt, MD 20771 USA;
3.Univ Washington, Bothell, WA 98011 USA;
4.Univ Maryland Baltimore Cty, Goddard Earth Sci & Technol Ctr, Baltimore, MD 21228 USA;
5.Environm Canada, Air Qual Res Div, Sci & Technol Branch, Toronto, ON M3H 5T4, Canada
推荐引用方式
GB/T 7714
Fischer, E. V.,Hsu, N. C.,Jaffe, D. A.,et al. A decade of dust: Asian dust and springtime aerosol load in the US Pacific Northwest[J],2009,36.
APA Fischer, E. V.,Hsu, N. C.,Jaffe, D. A.,Jeong, M. -J.,&Gong, S. L..(2009).A decade of dust: Asian dust and springtime aerosol load in the US Pacific Northwest.GEOPHYSICAL RESEARCH LETTERS,36.
MLA Fischer, E. V.,et al."A decade of dust: Asian dust and springtime aerosol load in the US Pacific Northwest".GEOPHYSICAL RESEARCH LETTERS 36(2009).
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