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太陽フレアに伴う電離層全電子数上昇のGPS観測

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Title: 太陽フレアに伴う電離層全電子数上昇のGPS観測
Other Titles: GPS Observations of Increases in Ionospheric Total Electron Contents Associated with Solar Flares
Authors: 日置, 幸介1 Browse this author →KAKEN DB
Authors(alt): Heki, Kosuke1
Issue Date: 25-Dec-2006
Publisher: 日本測地学会
Journal Title: 測地学会誌
Volume: 52
Issue: 4
Start Page: 319
End Page: 328
Abstract: Phase differences between the two carrier waves from Global Positioning System (GPS) satellites provide information on numbers of electrons integrated along line-of-sights. Sudden increase of electron densities in ionosphere is caused by enhanced ultraviolet flux by solar flares. Here I report two examples of such observations using globally deployed GPS stations. Dependence of such increase on solar zenith angles is addressed using stations distributed over the sunlit hemisphere. The height distribution of the electron increase is also discussed using data from stations along the night-day boundary.
Type: article (author version)
URI: http://hdl.handle.net/2115/33853
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 日置 幸介

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