Arid
DOI10.1007/s12517-014-1318-x
Diagnostic study of spring dusty days over the southwest region of the Kingdom of Saudi Arabia
Awad, Adel M.; Mashat, Abdul-Wahab S.; Salem, Faisal F. Abo
通讯作者Awad, Adel M.
来源期刊ARABIAN JOURNAL OF GEOSCIENCES
ISSN1866-7511
EISSN1866-7538
出版年2015
卷号8期号:4页码:2265-2282
英文摘要

Three classes of dust over the southwest region of the Kingdom of Saudi Arabia were classified based on both the values and distribution of the TOMS Aerosol Index. These classes include a narrow spread class (i.e., a weak class), a moderate spread class, and a wide spread class (i.e., a strong class). A diagnostic study of these classes indicated that there are common atmospheric features for dust cases, and the intensity of these features increases with the characteristic strength of the dust cases. These features are the horizontal circulation of anticyclonic wind flow associated with lower layer upward motion through the zonal stripe between 17A degrees N and 25A degrees N through the meridional cross-section in addition to a vertical circulation, especially for the layers above 850 hPa. These two circulation patterns merge to form an unstable atmosphere and a deep cyclone. Furthermore, there are areas of convergence and divergence at the points of deepening upward motion and shallow upward motion, respectively. Finally, all these features collectively force the dust from the Arabian Desert to move into the southwest region of the Kingdom of Saudi Arabia.


英文关键词TOMS Aerosol Index Spring dust Dust classes Saudi Arabia
类型Article
语种英语
国家Saudi Arabia
收录类别SCI-E
WOS记录号WOS:000352640900035
WOS关键词SYNOPTIC ANALYSIS ; NORTH-AFRICA ; MIDDLE-EAST ; MODEL ; REANALYSIS ; AEROSOLS ; STORMS ; PENINSULA ; TRANSPORT ; EVENT
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/2XILL650/185877
作者单位King Abdulaziz Univ, Dept Meteorol, Jeddah 21413, Saudi Arabia
推荐引用方式
GB/T 7714
Awad, Adel M.,Mashat, Abdul-Wahab S.,Salem, Faisal F. Abo. Diagnostic study of spring dusty days over the southwest region of the Kingdom of Saudi Arabia[J],2015,8(4):2265-2282.
APA Awad, Adel M.,Mashat, Abdul-Wahab S.,&Salem, Faisal F. Abo.(2015).Diagnostic study of spring dusty days over the southwest region of the Kingdom of Saudi Arabia.ARABIAN JOURNAL OF GEOSCIENCES,8(4),2265-2282.
MLA Awad, Adel M.,et al."Diagnostic study of spring dusty days over the southwest region of the Kingdom of Saudi Arabia".ARABIAN JOURNAL OF GEOSCIENCES 8.4(2015):2265-2282.
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