globalchange  > 科学计划与规划
DOI: 10.1002/2015GL064841
论文题名:
Applying a curl-B technique to Swarm vector data to estimate nighttime F region current intensities
作者: Tozzi R.; Pezzopane M.; De Michelis P.; Piersanti M.
刊名: Geophysical Research Letters
ISSN: 0094-8613
EISSN: 1944-8344
出版年: 2015
卷: 42, 期:15
起始页码: 6162
结束页码: 6169
语种: 英语
英文关键词: curl-B estimation ; current density ; F region ; magnetic modeling ; Swarm magnetic data
Scopus关键词: Current density ; F region ; Ionosphere ; Magnetic storage ; Orbits ; Current intensity ; European Space Agency ; Ionospheric current ; Magnetic data ; Magnetic modeling ; Spherical surface ; Vector data ; Vector fields ; Magnetism ; atmospheric modeling ; current velocity ; data set ; estimation method ; F region ; geoelectric field ; geomagnetic field ; ionosphere ; satellite imagery ; Europe
英文摘要: The innovative geometry of European Space Agency Swarm constellation opens the way for new investigations based on magnetic data. Since the knowledge of a vector field on two spherical surfaces allows calculating its curl, we propose a new technique to estimate the curl of the ionospheric magnetic field measured by Swarm satellites A and B, orbiting the Earth at two different altitudes from March to September 2014. Using this technique, we mapped the amplitude of the radial, meridional, and zonal components and of total intensity of the ionospheric current density at the satellite's altitudes, i.e., the F region of the ionosphere, during two local nighttime intervals: before and after midnight. Most of the obtained results are consistent with some of the known features of nighttime F region currents; others need further investigation. The proposed technique could contribute in selecting magnetic data with minimum contamination from nighttime F region electric currents for magnetic modeling purposes. ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940451088&doi=10.1002%2f2015GL064841&partnerID=40&md5=54c6d2ff40ab73e1fd074e6c039e3dc7
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被引频次[WOS]:5   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8229
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy

Recommended Citation:
Tozzi R.,Pezzopane M.,De Michelis P.,et al. Applying a curl-B technique to Swarm vector data to estimate nighttime F region current intensities[J]. Geophysical Research Letters,2015-01-01,42(15).
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