2014

12 papers were published in 2014.

Refereed Journal Articles

Takahashi, T., S. Nozawa, M. Tsutsumi, C. Hall, S. Suzuki, T. T. Tsuda, T. D. Kawahara, N. Saito, S. Oyama, S. Wada, T. Kawabata, H. Fujiwara, A. Brekke, A. Manson, C. Meek, and R.Fujii,
A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data,
Ann. Geophys., 32, 1195-1205, 2014.

Shiokawa, K., A. Hashimoto, T. Hori, K. Sakaguchi, Y. Ogawa, E. Donovan, E. Spanswick, M. Connors, Y. Otsuka, S.-I. Oyama, S. Nozawa, K. McWilliams,
Auroral fragmentation into patches,
J. Geophys. Res., 119, doi:10.1029/2014JA020050, 2014.

Fujiwara, H., S. Nozawa, Y. Ogawa, R. Kataoka, Y. Miyoshi, H. Jin, and H. Shinagawa,
Extreme ion heating in the dayside ionosphere in response to the arrival of a coronal mass ejection on 12 March 2012,
Ann. Geophys., 32, 831-839, doi:10.5194/angeo-32-831-2014, 2014.

Ishida, T., Y. Ogawa, A. Kadokura, Y. Hiraki, and I. Haggstrom,
Seasonal variation and solar activity dependence of the quiet-time ionospheric trough,
J. Geophys. Res., doi:10.1029/2014JA019996, 2014.

Ogawa, Y., T. Motoba, S. C. Buchert, I. Haggstrom and S. Nozawa,
Upper atmosphere cooling over the past 33 years,
Geophys. Res. Lett., 41, doi:10.1002/2014GL060591, 2014.

Oyama, S., Y. Miyoshi, K. Shiokawa, J. Kurihara, T. T. Tsuda, and B. J. Watkins,
Height-dependent ionospheric variations in the vicinity of nightside poleward expanding aurora after substorm onset,
J. Geophys. Res., 119, doi:10.1002/2013JA019704, 2014.

Sakai, J., K. Hosokawa, S. Taguchi, Y. Ogawa,
Storm-time enhancements of 630.0-nm airglow associated with polar cap patches,
J. Geophys. Res., 119, doi:10.1029/2013JA019197, 2014.

Nozawa, S., T. Kawahara, N. Saito, C. Hall, T. Tsuda, T. Kawabata, S. Wada, A. Brekke, T. Takahashi, H. Fujiwara, Y. Ogawa, and R. Fujii,
Variations of the neutral temperature and sodium density between 80 and 107 km above Tromsoe during the winter of 2010-2011 by a new solid state sodium LIDAR,
J. Geophys. Res., 119, doi:10.1029/2013JA019520, 2014.

Vickers, H., M. J. Kosch, E. Sutton, L. Bjoland, Y. Ogawa and C. La Hoz,
A solar cycle of upper thermosphere density observations from the EISCAT Svalbard Radar,
J. Geophys. Res., doi:10.1029/2014JA019885, 2014.

Kero, A., J. Vierinen, D. McKay-Bukowski, C.-F. Enell, M. Sinor, L. Roininen, and Y. Ogawa,
Ionospheric electron density profiles inverted from a spectral riometer measurement,
Geophys. Res. Lett., doi:10.1002/2014GL060986, 2014.

Kosch, M. J., H. Vickers, Y. Ogawa, A. Senior, and N. Blagoveshchenskaya,
First observation of the anomalous electric field in the topside ionosphere by ionospheric modification over EISCAT,
Geophys. Res. Lett., doi:10.1002/2014GL061679, 2014.

Kosch, M. J., C. Bryers, M.T. Rietveld, T. K. Yeoman, and Y. Ogawa,
Aspect angle sensitivity of pump-induced optical emissions at EISCAT,
Earth, Planets and Space, 1301071410132468, 2014.

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