Arid
DOI10.1002/2014JD022044
Aerosol transport over the western Mediterranean basin: Evidence of the contribution of fine particles to desert dust plumes over Alboran Island
Valenzuela, A.1,2; Olmo, F. J.1,2; Lyamani, H.1,2; Granados-Munoz, M. J.1,2; Anton, M.3; Guerrero-Rascado, J. L.1,2; Quirantes, A.1; Toledano, C.4; Perez-Ramirez, D.5,6; Alados-Arboledas, L.1,2
通讯作者Valenzuela, A.
来源期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2014
卷号119期号:24页码:14028-14044
英文摘要

Eight months (June 2011 to January 2012) of aerosol property data were obtained at the remote site of Alboran Island (35.95 degrees N, 3.03 degrees W) in the western Mediterranean basin. The aim of this work is to assess the aerosol properties according to air mass origin and transport over this remote station with a special focus on air mass transport from North Africa. For air masses coming from North Africa, different aerosol properties showed strong contributions from mineral dust lifted from desert areas. Nevertheless, during these desert dust intrusions, some atmospheric aerosol properties are clearly different from pure mineral dust particles. Thus, Angstrom exponent a(440-870) presents larger values than those reported for pure desert dust measured close to dust source regions. These results combine with alpha(440, 670) - alpha(670, 870) >= 0.1 and low single scattering albedo (omega(lambda)) values, especially at the largest wavelengths. Most of the desert dust intrusions over Alboran can be described as a mixture of dust and anthropogenic particles. The analyses support that our results apply to North Africa desert dust air masses transported from different source areas. Therefore, our results indicate a significant contribution of fine absorbing particles during desert dust intrusions over Alboran arriving from different source regions. The aerosol optical depth data retrieved from Sun photometer measurements have been used to check Moderate Resolution Imaging Spectroradiometer retrievals, and they show reasonable agreement, especially for North African air masses.


类型Article
语种英语
国家Spain ; USA
收录类别SCI-E
WOS记录号WOS:000348460000023
WOS关键词SCAR-B EXPERIMENT ; 2003 HEAT-WAVE ; OPTICAL-PROPERTIES ; SAHARAN DUST ; SOUTHEASTERN SPAIN ; ATMOSPHERIC AEROSOLS ; AERONET OBSERVATIONS ; COLUMNAR PROPERTIES ; MODIS ; LAMPEDUSA
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/2XILL650/183366
作者单位1.Univ Granada, Dept Fis Aplicada, Granada, Spain;
2.Univ Granada, Grp Fis Atmosfera, IISTA, Granada, Spain;
3.Univ Extremadura, Dept Fis, E-06071 Badajoz, Spain;
4.Univ Valladolid, Grp Opt Atmosfer, Valladolid, Spain;
5.NASA, Goddard Space Flight Ctr, Mesoscale Atmospher Proc Lab, Greenbelt, MD 20771 USA;
6.Univ Space Res Assoc, Goddard Earth Sci Technol & Res, Columbia, MD USA
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Valenzuela, A.,Olmo, F. J.,Lyamani, H.,et al. Aerosol transport over the western Mediterranean basin: Evidence of the contribution of fine particles to desert dust plumes over Alboran Island[J],2014,119(24):14028-14044.
APA Valenzuela, A..,Olmo, F. J..,Lyamani, H..,Granados-Munoz, M. J..,Anton, M..,...&Alados-Arboledas, L..(2014).Aerosol transport over the western Mediterranean basin: Evidence of the contribution of fine particles to desert dust plumes over Alboran Island.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,119(24),14028-14044.
MLA Valenzuela, A.,et al."Aerosol transport over the western Mediterranean basin: Evidence of the contribution of fine particles to desert dust plumes over Alboran Island".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 119.24(2014):14028-14044.
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