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Coupling of the High and Mid Latitude Ionosphere and Its Relation to Geospace Dynamics

Edited by N. Nishitani, T. Nagatsuma, A. S. Yukimatu, H. Hu, T. Sakanoi

This special issue originates from the ST-20 session "Coupling of the High and Mid Latitude Ionosphere and Its Relation to Geospace Dynamics," held during the AOGS 2014 Meeting in Sapporo. Papers are also presented by authors who did not attend the meeting. This special issue is focused on the coupling of the high and mid latitude ionosphere, which play important roles in geospace dynamics. Recently, the coverage offered by ground-based observation networks (magnetometers, HF radars, GPS receivers etc.) has dramatically increased, allowing us to better understand the coupling between the high and middle latitude ionosphere. In addition, many satellites in geospace also provide essential in-situ data, yielding many new findings and posing new questions. These papers contribute to our understanding of middle-high latitude ionosphere and geospace coupling, and of geospace dynamics.

Publication started: 21 March 2015
Publication finished: 21 October 2016

  1. Content type: Letter

    We studied regular diurnal and seasonal behaviors of ground backscatter propagation characteristics corresponding to the Hokkaido East Super Dual Auroral Radar Network (SuperDARN) (43.53° N, 143.61° E). Firstl...

    Authors: Alexey V. Oinats, Nozomu Nishitani, Pavlo Ponomarenko and Konstantin G. Ratovsky

    Citation: Earth, Planets and Space 2016 68:18

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  2. Content type: Letter

    We present a statistical study of medium-scale traveling ionospheric disturbances (MSTIDs) using the Hokkaido East (43.53° N, 143.61° E) and Ekaterinburg (56.42° N, 58.53° E) high-frequency (HF) radar data. Ra...

    Authors: Alexey V. Oinats, Nozomu Nishitani, Pavlo Ponomarenko, Oleg I. Berngardt and Konstantin G. Ratovsky

    Citation: Earth, Planets and Space 2016 68:8

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  3. Content type: Frontier letter

    A statistical study using a large dataset of Super Dual Auroral Radar Network (SuperDARN) observations is conducted for transient ionospheric plasma flows associated with sudden impulses (SI) recorded on groun...

    Authors: Tomoaki Hori, Atsuki Shinbori, Shigeru Fujita and Nozomu Nishitani

    Citation: Earth, Planets and Space 2015 67:190

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  4. Content type: Full paper

    Observations made in non-equatorial regions appear to support the hypothesis that the daytime scintillation of radio signals at gigahertz (GHz) frequencies is produced by the gradient-drift instability (GDI) i...

    Authors: Aramesh Seif, Roland T. Tsunoda, Mardina Abdullah and Alina Marie Hasbi

    Citation: Earth, Planets and Space 2015 67:177

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  5. Content type: Letter

    We report on strong induction effects notably contributing to the cross polar cap potential drop and the energy balance during the growth and active phases of the substorm on 27 August 2001. The inductance of ...

    Authors: V. V. Mishin, V. M. Mishin, S. B. Lunyushkin, Z. Pu and C. Wang

    Citation: Earth, Planets and Space 2015 67:162

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  6. Content type: Full paper

    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° ...

    Authors: F. Y. Chang, J. Y. Liu, L. C. Chang, C. H. Lin and C. H. Chen

    Citation: Earth, Planets and Space 2015 67:156

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  7. Content type: Full paper

    Information on the vertical angle of arrival (elevation) is crucial in determining propagation modes of high-frequency (HF, 3–30 MHz) radio waves travelling through the ionosphere. The most advanced network of...

    Authors: Pavlo Ponomarenko, Nozomu Nishitani, Alexey V. Oinats, Taishi Tsuya and Jean-Pierre St.-Maurice

    Citation: Earth, Planets and Space 2015 67:138

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  8. Content type: Full paper

    In this study, a new multicomponent model (MCM) to determine the time variation of ionospheric parameters is suggested. The model was based on the combination of wavelets with autoregressive-integrated moving ...

    Authors: Oksana V. Mandrikova, Nadejda V. Fetisova, Yuri A. Polozov, Igor S. Solovev and Mikhail S. Kupriyanov

    Citation: Earth, Planets and Space 2015 67:131

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  9. Content type: Letter

    We investigate the characteristics of the subauroral polarization stream (SAPS), with focus on the relationship between geomagnetic parameters and occurrence characteristics of SAPS. This study’s observations ...

    Authors: Hiroki Nagano, Nozomu Nishitani and Tomoaki Hori

    Citation: Earth, Planets and Space 2015 67:126

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  10. Content type: Full paper

    Using ground-based high temporal and spatial optical aurora observations, we investigated one fortuitous event to illustrate the direct responses of the fine structure auroral emission to interplanetary shock ...

    Authors: Jianjun Liu, Hongqiao Hu, Desheng Han, Huigen Yang and Mark Lester

    Citation: Earth, Planets and Space 2015 67:120

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