Arid
DOI10.1002/2016GL068463
The role of the atmospheric electric field in the dust-lifting process
Esposito, F.1; Molinaro, R.1; Popa, C. I.1; Molfese, C.1; Cozzolino, F.1; Marty, L.1; Taj-Eddine, K.2; Di Achille, G.3; Franzese, G.1,4; Silvestro, S.1; Ori, G. G.2,5
通讯作者Esposito, F.
来源期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2016
卷号43期号:10页码:5501-5508
英文摘要

Mineral dust particles represent the most abundant component of atmospheric aerosol in terms of dry mass. They play a key role in climate and climate change, so the study of their emission processes is of utmost importance. Measurements of dust emission into the atmosphere are scarce, so that the dust load is generally estimated using models. It is known that the emission process can generate strong atmospheric electric fields. Starting from the data we acquired in the Sahara desert, here, we show for the first time that depending on the relative humidity conditions, electric fields contribute to increase up to a factor of 10 the amount of particles emitted into the atmosphere. This means that electrical forces and humidity are critical quantities in the dust emission process and should be taken into account in climate and circulation models to obtain more realistic estimations of the dust load in the atmosphere.


类型Article
语种英语
国家Italy ; Morocco
收录类别SCI-E
WOS记录号WOS:000378347500102
WOS关键词ELECTRIFICATION ; MARS ; SURFACE
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/2XILL650/193274
作者单位1.Ist Nazl Astrofis, Osservatorio Astron Capodimonte, Naples, Italy;
2.Univ Cadi Ayyad, Ibn Battuta Ctr, Marrakech, Morocco;
3.INAF, Osservatorio Astron Teramo, Teramo, Italy;
4.Univ Naples Federico II, Dept Phys, Naples, Italy;
5.Univ G DAnnunzio, IRSPS, Pescara, Italy
推荐引用方式
GB/T 7714
Esposito, F.,Molinaro, R.,Popa, C. I.,et al. The role of the atmospheric electric field in the dust-lifting process[J],2016,43(10):5501-5508.
APA Esposito, F..,Molinaro, R..,Popa, C. I..,Molfese, C..,Cozzolino, F..,...&Ori, G. G..(2016).The role of the atmospheric electric field in the dust-lifting process.GEOPHYSICAL RESEARCH LETTERS,43(10),5501-5508.
MLA Esposito, F.,et al."The role of the atmospheric electric field in the dust-lifting process".GEOPHYSICAL RESEARCH LETTERS 43.10(2016):5501-5508.
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