Ionospheric shock waves triggered by rockets

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題名:	Ionospheric shock waves triggered by rockets
作者:	劉正彥;Lin, C. H.;Lin, J. T.;Chen, C. H.;Liu, J. Y.;Sun, Y. Y.;Kakinami, Y.;Matsumura, M.;Chen, W. H.;Liu, H.;Rau, R. J.
貢獻者:	地球科學學院太空科學與工程學系
關鍵詞:	Geophysics. Cosmic physics;Ionosphere;Physics;Q;QC1-999;QC801-809;Science;Telecommunications equipment;Wave propagation
日期:	2014-09-16
上傳時間:	2026-04-23 11:04:36 (UTC+8)
出版者:	European Geosciences Union;Copernicus GmbH
摘要:	摘要： Abstract. This paper presents a two-dimensional structure of the shock wave signatures in ionospheric electron density resulting from a rocket transit using the rate of change of the total electron content (TEC) derived from ground-based GPS receivers around Japan and Taiwan for the first time. From the TEC maps constructed for the 2009 North Korea (NK) Taepodong-2 and 2013 South Korea (SK) Korea Space Launch Vehicle-II (KSLV-II) rocket launches, features of the V-shaped shock wave fronts in TEC perturbations are prominently seen. These fronts, with periods of 100–600 s, produced by the propulsive blasts of the rockets appear immediately and then propagate perpendicularly outward from the rocket trajectory with supersonic velocities between 800–1200 m s−1 for both events. Additionally, clear rocket exhaust depletions of TECs are seen along the trajectory and are deflected by the background thermospheric neutral wind. Twenty minutes after the rocket transits, delayed electron density perturbation waves propagating along the bow wave direction appear with phase velocities of 800–1200 m s−1. According to their propagation character, these delayed waves may be generated by rocket exhaust plumes at earlier rocket locations at lower altitudes. 出版者： Copernicus GmbH 出版日期： 2014-09-16 出處： Annales Geophysicae, 2014-09, Vol.32 (9), p.1145-1152 資源來源： Agricultural & Environmental Science Collection 版權： COPYRIGHT 2014 Copernicus GmbH 識別號： ISSN: 1432-0576 識別號： ISSN: 0992-7689 識別號： EISSN: 1432-0576 識別號： DOI: 10.5194/angeo-32-1145-2014
顯示於類別:	[太空科學與工程學系] 期刊論文

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