Arid
DOI10.1175/JAS-D-14-0133.1
Measurements of Saharan Dust in Convective Clouds over the Tropical Eastern Atlantic Ocean
Twohy, Cynthia H.
通讯作者Twohy, Cynthia H.
来源期刊JOURNAL OF THE ATMOSPHERIC SCIENCES
ISSN0022-4928
EISSN1520-0469
出版年2015
卷号72期号:1页码:75-81
英文摘要

Mineral dust particles have been shown to act as cloud condensation nuclei, and they are known to interact with developing tropical storms over the Atlantic downwind of the Sahara. Once present within liquid droplets, they have the potential to act as freezing ice nuclei and further affect the microphysics, dynamics, and evolution of tropical storms. However, few measurements of mineral dust particles in tropical convective clouds exist. This study indicates that about one-third of droplets sampled in small convective clouds in the tropical eastern Atlantic contained dust particles, and dust was the dominant residual particle type sampled in ice crystals from anvil outflow. However, estimated number and mass concentrations of dust in anvil ice were small compared to the amount of dust available within the Saharan air layer itself.


英文关键词Deep convection Dust or dust storms Aerosols Cirrus clouds Cumulus clouds Ice crystals
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000347378900005
WOS关键词COUNTERFLOW VIRTUAL IMPACTOR ; DESERT DUST ; SIZE DISTRIBUTION ; AEROSOL IMPACTS ; ANVIL CIRRUS ; AIR LAYER ; MICROPHYSICS ; TRANSPORT ; NUCLEI ; PRECIPITATION
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/2XILL650/188982
作者单位Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
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GB/T 7714
Twohy, Cynthia H.. Measurements of Saharan Dust in Convective Clouds over the Tropical Eastern Atlantic Ocean[J],2015,72(1):75-81.
APA Twohy, Cynthia H..(2015).Measurements of Saharan Dust in Convective Clouds over the Tropical Eastern Atlantic Ocean.JOURNAL OF THE ATMOSPHERIC SCIENCES,72(1),75-81.
MLA Twohy, Cynthia H.."Measurements of Saharan Dust in Convective Clouds over the Tropical Eastern Atlantic Ocean".JOURNAL OF THE ATMOSPHERIC SCIENCES 72.1(2015):75-81.
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