2. Aeronomy

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  1. Full paper

    Influence of uncertainties of the empirical models for inferring the E-region electric fields at the dip equator

    Daytime E-region electric fields play a crucial role in the ionospheric dynamics at the geomagnetic dip latitudes. Due to their importance, there is an interest in accurately measuring and modeling the electr...

    Juliano Moro, Clezio Marcos Denardini, Laysa Cristina Araújo Resende, Sony Su Chen and Nelson Jorge Schuch

    Earth, Planets and Space 2016 68:103

    Published on: 7 June 2016

  2. Letter

    On forced and free atmospheric oscillations near the 27-day periodicity

    The Whole Atmosphere Community Climate Model was used to investigate the influences of solar fluctuations on zonal wind oscillations. Two simulations were conducted with short-term solar forcing (<35 days) on ...

    Ansgar Schanz, Klemens Hocke and Niklaus Kämpfer

    Earth, Planets and Space 2016 68:97

    Published on: 3 June 2016

  3. Full paper

    Swarm accelerometer data processing from raw accelerations to thermospheric neutral densities

    The Swarm satellites were launched on November 22, 2013, and carry accelerometers and GPS receivers as part of their scientific payload. The GPS receivers do not only provide the position and time for the mag...

    Christian Siemes, João de Teixeira da Encarnação, Eelco Doornbos, Jose van den IJssel, Jiří Kraus, Radek Pereštý, Ludwig Grunwaldt, Guy Apelbaum, Jakob Flury and Poul Erik Holmdahl Olsen

    Earth, Planets and Space 2016 68:92

    Published on: 28 May 2016

  4. Full paper

    Observations of stratospheric and mesospheric O3 with a millimeter-wave radiometer at Rikubetsu, Japan

    We have been measuring brightness temperature spectra of the atmospheric ozone (O3) emission at 110.83 GHz with a millimeter-wave radiometer (MWR) located at Rikubetsu, Japan, since November 1999. Tropospheric o...

    Hirofumi Ohyama, Tomoo Nagahama, Akira Mizuno, Hideaki Nakane and Hideo Ogawa

    Earth, Planets and Space 2016 68:34

    Published on: 29 February 2016

    The Erratum to this article has been published in Earth, Planets and Space 2016 68:122

  5. Full paper

    Ionospheric signatures of the April 25, 2015 Nepal earthquake and the relative role of compression and advection for Doppler sounding of infrasound in the ionosphere

    Ionospheric signatures possibly induced by the Nepal earthquake are investigated far outside the epicentral region in Taiwan (~3700 km distance from the epicenter) and in the Czech Republic (~6300 km distance ...

    Jaroslav Chum, Jann-Yenq Liu, Jan Laštovička, Jiří Fišer, Zbyšek Mošna, Jiří Baše and Yang-Yi Sun

    Earth, Planets and Space 2016 68:24

    Published on: 17 February 2016

  6. Letter

    Statistical analysis of extreme auroral electrojet indices

    Extreme auroral electrojet activities can damage electrical power grids due to large induced currents in the Earth, degrade radio communications and navigation systems due to the ionospheric disturbances and c...

    Masao Nakamura, Asato Yoneda, Mitsunobu Oda and Ken Tsubouchi

    Earth, Planets and Space 2015 67:153

    Published on: 16 September 2015

  7. Full paper

    Long-term variation in the upper atmosphere as seen in the geomagnetic solar quiet daily variation

    Characteristics of long-term variation in the amplitude of solar quiet (Sq) geomagnetic field daily variation have been investigated using 1-h geomagnetic field data obtained from 69 geomagnetic observation st...

    Atsuki Shinbori, Yukinobu Koyama, Masahito Nose, Tomoaki Hori, Yuichi Otsuka and Akiyo Yatagai

    Earth, Planets and Space 2014 66:155

    Published on: 11 December 2014

  8. Full paper

    A statistical study of satellite traces and evolution of equatorial spread F

    The ionosonde observations made at 5-min intervals at the Indian dip equatorial station Tirunelveli (8.7°N, 77.8°E geographic; 1.1°N dip latitude) from March 2008 to February 2009 during the extended solar min...

    Viswanathan Lakshmi Narayanan, Sukanta Sau, Subramanian Gurubaran, Kazuo Shiokawa, Nanan Balan, Kaliappan Emperumal and Samireddipalle Sripathi

    Earth, Planets and Space 2014 66:160

    Published on: 3 December 2014

  9. Letter

    Methods of analysis of geomagnetic field variations and cosmic ray data

    In the present paper, we propose a wavelet-based method of describing variations in the Earth’s magnetic field, such as the horizontal component of the geomagnetic field, in addition to methods for evaluating ...

    Oksana V Mandrikova, Igor S Solovev and Timur L Zalyaev

    Earth, Planets and Space 2014 66:148

    Published on: 21 November 2014

  10. Letter

    Lidar returns from the upper atmosphere of Kamchatka for 2008 to 2014 observations

    The correlation of lidar returns at a wavelength of 532 nm at altitudes of 150 to 300 km is investigated with the parameters of the night ionospheric F2 layer. Moreover, the role of excited ions of the nitroge...

    Vasily V Bychkov, Yuri А Nepomnyashchiy, Andrey S Perezhogin and Boris M Shevtsov

    Earth, Planets and Space 2014 66:150

    Published on: 14 November 2014

  11. Full paper

    Investigation of the intraseasonal oscillations over a Brazilian equatorial station: a case study

    Characteristics of the intraseasonal oscillations (ISO) in the mesosphere and lower thermosphere (MLT) are investigated using meteor radar wind observations from a South American, equatorial station, São João ...

    Amitava Guharay, Paulo Prado Batista, Barclay Robert Clemesha, Sumanta Sarkhel and Ricardo Arlen Buriti

    Earth, Planets and Space 2014 66:145

    Published on: 11 November 2014

  12. Frontier letter

    Correlation between the global occurrences of ionospheric irregularities and deep atmospheric convective clouds in the intertropical convergence zone (ITCZ)

    To study the seeding mechanism of ionospheric irregularity occurrences, a correlation study has been carried out between the global monthly/latitudinal (m/l) distributions of irregularity occurrences and the d...

    Shin-Yi Su, Chung Lung Wu and Chao Han Liu

    Earth, Planets and Space 2014 66:134

    Published on: 6 November 2014

  13. Letter

    Relationship between the equatorial electrojet and global Sq currents at the dip equator region

    The equatorial electrojet (EEJ) is a strong eastward ionospheric current flowing in a narrow band along the dip equator. In this study, we examined the EEJ-Sq relationship by using observations at six stations...

    Nurul Shazana Abdul Hamid, Huixin Liu, Teiji Uozumi, Kiyohumi Yumoto, Bhaskara Veenadhari, Akimasa Yoshikawa and Jairo Avendaño Sanchez

    Earth, Planets and Space 2014 66:146

    Published on: 29 October 2014

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