Arid
DOI10.1016/j.atmosenv.2012.04.006
Influence of mineral dust transport on the chemical composition and physical properties of the Eastern Mediterranean aerosol
Kocak, M.2; Theodosi, C.3; Zarmpas, P.3; Seguret, M. J. M.1; Herut, B.4; Kallos, G.5; Mihalopoulos, N.3; Kubilay, N.2; Nimmo, M.1
通讯作者Nimmo, M.
来源期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
EISSN1873-2844
出版年2012
卷号57页码:266-277
英文摘要

Bulk aerosol samples were collected from three different coastal rural sites located around the Eastern Mediterranean, (i) Erdemli (ER), Turkey, (ii) Heraklion (HR), Crete, Greece, and (iii) Tel Shikmona (TS), Israel, during two distinct mineral dust periods (October, 2007 and April, 2008) in order to explore the temporal and geographical variability in the aerosol chemical composition. Samples were analyzed for trace elements (Al, Fe, Mn, Ca, Cr, Zn, Cu, V, Ni, Cd, Pb) and water-soluble ions (Cl-, NO3-, SO42-, C2O42-, Na+, NH4+, K+, Mg2+ and Ca2+). The dust events were categorized on the basis of Al concentrations > 1000 ng m(-3), SKIRON dust forecast model and 3-day back trajectories into three groups namely, Middle East, Mixed and Saharan desert. ER and TS were substantially affected by dust events originating from the Middle East, particularly in October, whilst HR was not influenced by dust transport from the Middle East. Higher AOT values were particularly associated with higher Al concentrations. Contrary to the highest Al concentration: 6300 ng m(-3), TS showed relatively lower Al and AOT. Al concentrations at ER were similar for October and April, whilst OMI-Al and AOT values were similar to 2 times higher in April. This might be attributed to the weak sensitivity of the TOMS instrument to absorbing aerosols near the ground and optical difference between Middle East and Saharan desert dusts. The lowest enhancement of anthropogenic aerosol species was observed at HR during dust events (nssSO(4)(2-)/nssCa(2+) similar to 0.13). These species were particularly enhanced when mineral dust arrived at sites after passing through populated and industrialized urban areas. (c) 2012 Published by Elsevier Ltd.


英文关键词Mineral dust SKIRON The Middle East deserts Saharan desert Eastern Mediterranean
类型Article
语种英语
国家England ; Turkey ; Greece ; Israel
收录类别SCI-E
WOS记录号WOS:000307140100029
WOS关键词SAHARAN DUST ; SEASONAL VARIABILITY ; LEVANTINE BASIN ; OPTICAL-PROPERTIES ; TRACE-ELEMENTS ; AFRICAN DUST ; PARTICLES ; SPECTROMETER ; CHEMISTRY ; CLIMATE
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/171448
作者单位1.Univ Plymouth, Sch Geog Earth & Environm Sci, Plymouth PL4 8AA, Devon, England;
2.Middle E Tech Univ, Inst Marine Sci, TR-33731 Erdemli Mersin, Turkey;
3.Univ Crete, Dept Chem, Iraklion, Crete, Greece;
4.Natl Inst Oceanog, Israel Oceanog & Limnol Res, IL-31080 Haifa, Israel;
5.Univ Athens, Sch Phys, Athens 15784, Greece
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GB/T 7714
Kocak, M.,Theodosi, C.,Zarmpas, P.,et al. Influence of mineral dust transport on the chemical composition and physical properties of the Eastern Mediterranean aerosol[J],2012,57:266-277.
APA Kocak, M..,Theodosi, C..,Zarmpas, P..,Seguret, M. J. M..,Herut, B..,...&Nimmo, M..(2012).Influence of mineral dust transport on the chemical composition and physical properties of the Eastern Mediterranean aerosol.ATMOSPHERIC ENVIRONMENT,57,266-277.
MLA Kocak, M.,et al."Influence of mineral dust transport on the chemical composition and physical properties of the Eastern Mediterranean aerosol".ATMOSPHERIC ENVIRONMENT 57(2012):266-277.
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