NDLI: Analysis of the ionospheric variability based on wavelet decomposition

Content Provider	Springer Nature Link
Author	Shi, Hao Zhang, DongHe Liu, YuMei Hao, YongQiang
Copyright Year	2014
Abstract	In this work, the ionospheric variability is analyzed by applying the wavelet decomposition technique to the noontime foF2, F10.7, interplanetary magnetic field (IMF) Bz, Ap, and lower thermospheric temperature at pressure of 10$^{−4}$ hPa in 2002. Results show that the variance of periodic oscillations in the ionosphere is largest in the 2–4-day period and declines with the increase of the period. The maximum variance of the periodic oscillations in solar irradiation is in the 16–32-day period. For geomagnetic activities, most of the variance is about equally distributed on intervals of periods shorter than 32 days. Variance distributions of IMF Bz and lower thermospheric temperature are similar to those of the ionosphere. They show the maximum in the 2–4-day period and decline with the increase of the period. By analyzing the distributions of the variances, the potential connections between the ionosphere and the external sources are discussed.
Starting Page	174
Ending Page	180
Page Count	7
File Format	PDF
ISSN	16747321
Journal	Science in China Series E: Technological Sciences
Volume Number	58
Issue Number	1
e-ISSN	18691900
Language	English
Publisher	Science China Press
Publisher Date	2014-12-18
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ionosphere variability foF2 Wavelet decomposition 2–32-day period Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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