Three-dimensional electron density along the WSA and MSNA latitudes probed by FORMOSAT-3/COSMIC Coupling of the High and Mid Latitude Ionosphere and its Relation to Geospace Dynamics Space science

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题名:	Three-dimensional electron density along the WSA and MSNA latitudes probed by FORMOSAT-3/COSMIC Coupling of the High and Mid Latitude Ionosphere and its Relation to Geospace Dynamics Space science
作者:	劉正彥;Chang, F. Y.;Liu, J. Y.;Chang, L. C.;Lin, C. H.;Chen, C. H.
贡献者:	地球科學學院太空科學與工程學系
关键词:	Anomalies;Coupling of the High and Mid Latitude Ionosphere and its Relation to Geospace Dynamics;Earth and Environmental Science;Earth Sciences;Electron density;Geology;Geophysics/Geodesy;Latitude;Phase shift;Phase velocity;Plasma density;Satellite navigation systems;Simulation;Space science
日期:	2015-12-26
上传时间:	2026-04-23 11:07:02 (UTC+8)
出版者:	Springer International Publishing AG;Berlin/Heidelberg: Springer Berlin Heidelberg
摘要:	摘要： In this paper, we employ electron density profiles derived by the GPS radio occultation experiment aboard the FORMOSAT-3/COSMIC (F3/C) satellites to examine the electron density on geographic latitudes of 40° to 80° in the Southern hemisphere and 30° to 60° in the Northern hemisphere at various global fixed local times from February 2009 to January 2010. The results reveal that an eastward shift of a single-peak plasma density feature occurs along the Weddell Sea Anomaly (WSA) latitudes, while a double-peak plasma density feature appears along the northern Mid-latitude Summer Nighttime Anomaly (MSNA) latitudes. A cross-comparison between three-dimensional F3/C electron density and HWM93 simulation confirms that the magnetic meridional effect and vertical effect caused by neutral winds exhibit the eastward shifts. Furthermore, we find that the eastward shift of the peaks when viewed as a function of local time suggests that they could be interpreted as being comprised of different tidal components with distinct zonal phase velocities in local time. 其他題名： Earth Planet Sp 出版者： Berlin/Heidelberg: Springer Berlin Heidelberg 出版日期： 2015-09-21 出處： Earth, planets, and space, 2015-09, Vol.67 (1), p.1-8, Article 156 資源來源： Publicly Available Content Database 版權： Chang et al. 2015 識別號： ISSN: 1880-5981 識別號： ISSN: 1343-8832 識別號： EISSN: 1880-5981 識別號： DOI: 10.1186/s40623-015-0326-8
显示于类别:	[太空科學與工程學系] 期刊論文

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