气候变化领域集成服务门户(CCPortal): Interhemispheric transport of metallic ions within ionospheric sporadic <i>E</i> layers by the lower thermospheric meridional circulation

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DOI	10.5194/acp-21-4219-2021
	Interhemispheric transport of metallic ions within ionospheric sporadic E layers by the lower thermospheric meridional circulation
	Yu B.; Xue X.; Scott C.J.; Wu J.; Yue X.; Feng W.; Chi Y.; Marsh D.R.; Liu H.; Dou X.; Plane J.M.C.
发表日期	2021
ISSN	1680-7316
起始页码	4219
结束页码	4230
卷号	21 期号:5
英文摘要	Long-lived metallic ions in the Earth's atmosphere (ionosphere) have been investigated for many decades. Although the seasonal variation in ionospheric "sporadic i E layers was first observed in the 1960s, the mechanism driving the variation remains a long-standing mystery. Here, we report a study of ionospheric irregularities using scintillation data from COSMIC satellites and identify a large-scale horizontal transport of long-lived metallic ions, combining the simulations of the Whole Atmosphere Community Climate Model with the chemistry of metals and ground-based observations from two meridional chains of stations from 1975-2016. We find that the lower thermospheric meridional circulation influences the meridional transport and seasonal variations of metallic ions within sporadic i E layers. The winter-to-summer meridional velocity of ions is estimated to vary between-1.08 and 7.45 m/s at altitudes of 107-118 km between 10-60g N. Our results not only provide strong support for the lower thermospheric meridional circulation predicted by a whole atmosphere chemistry-climate model, but also emphasize the influences of this winter-to-summer circulation on the large-scale interhemispheric transport of composition in the thermosphere-ionosphere. © Author(s) 2021. This work is distributed under the Creative Commons Attribution 4.0 License.
语种	英语
scopus关键词	atmospheric chemistry; atmospheric modeling; atmospheric transport; COSMIC; ion; ionosphere; meridional circulation; metal; thermosphere; Satellites
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/247051
作者单位	Cas Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei, China; Department of Meteorology, University of Reading, Berkshire, United Kingdom; Cas Center for Excellence in Comparative Planetology, Hefei, China; Anhui Mengcheng Geophysics National Observation and Research Station, University of Science and Technology of China, Hefei, China; Hefei National Laboratory for the Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China; Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China; School of Chemistry, University of Leeds, Leeds, United Kingdom; National Center for Atmospheric Science, University of Leeds, Leeds, United Kingdom; National Center for Atmospheric Research, Boulder, CO, United States; High Altitude Observatory, National Center for Atmospheric Research, Boulder, CO, United States; Electronic I...
推荐引用方式 GB/T 7714	Yu B.,Xue X.,Scott C.J.,et al. Interhemispheric transport of metallic ions within ionospheric sporadic E layers by the lower thermospheric meridional circulation[J],2021,21(5).
APA	Yu B..,Xue X..,Scott C.J..,Wu J..,Yue X..,...&Plane J.M.C..(2021).Interhemispheric transport of metallic ions within ionospheric sporadic E layers by the lower thermospheric meridional circulation.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(5).
MLA	Yu B.,et al."Interhemispheric transport of metallic ions within ionospheric sporadic E layers by the lower thermospheric meridional circulation".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.5(2021).