2011

11 papers were published in 2011.

Refereed Journal Articles

Oyama, S., A. Brekke, T. T. Tsuda, J. Kurihara, and B. J. Watkins,
Variance of the vertical ion speed measured with the EISCAT UHF radar in the polar lower ionosphere at Tromso, Norway
J. Geophys. Res., vol. 116, A00K06, doi:10.1029/2010JA016129, 2011.

Oyama, S., and B. J. Watkins,
Generation of atmospheric gravity waves in the polar thermosphere in response to auroral activity,
Space Science Review, doi:10.1007/s11214-011-9847-z, 2011.

Kitamura, N., Y. Ogawa, T. Nishimura, N. Terada, T. Ono, A. Shinbori, A. Kumamoto, V. Truhlik, and J. Smilauer,
Solar zenith angle dependence of plasma density and temperature in the polar cap ionosphere and low-altitude magnetosphere during geomagnetically quiet periods at solar maximum,
J. Geophys. Res., vol. 115, A07310,doi:10.1029/2009JA014766, 2011.

Ogawa, Y., S. C. Buchert, I. Haggstrom, M. T. Rietveld, R. Fujii, S. Nozawa, and H. Miyaoka,
On the statistical relation between ion upflow and naturally enhanced ion-acoustic lines observed with the EISCAT Svalbard radar,
J. Geophys. Res., vol. 116, A03313, doi:10.1029/2010JA015827, 2011.

Fujii, R., O. Amm, A. Yoshikawa, A. Ieda, H. Vanhamaki,
Reformulation and energy flow of the Cowling channel,
J. Geophys. Res., vol. 116, A02305, doi:10.1029/2010JA015989, 2011.

Tanaka, Y.-M., T. Aso, B. Gustavsson, K. Tanabe, Y. Ogawa, A. Kadokura, H. Miyaoka, T. Sergienko, U. Brandstrom, and I. Sandahl,
Feasibility study on Generalized - Aurora Computed Tomography,
Ann. Geophys., vol. 29, 551-562, 2011.

Tsuda, T. T., S. Nozawa, T. D. Kawahara, T. Kawabata, N. Saito, S. Wada, C. M. Hall, S. Oyama, Y. Ogawa, S. Suzuki, T. Ogawa, T. Takahashi, H. Fujiwara, R. Fujii, N. Matuura, and A. Brekke,
Fine structure of sporadic sodium layer observed with a sodium lidar at Tromso, Norway,
Geophys. Res. Lett., vol. 38, L18102, doi:10.1029/2011GL048685, 2011

Amm, O., R. Fujii, K. Kauristie, A. Yoshikawa, A. Ieda and H. Vanhamaki,
A statistical investigation of the Cowling channel efficiency in the auroral zone,
J. Geophys. Res., vol. 116, A02304, doi:10.1029/2010JA015988, 2011.

Kosch, M., I. Yiu, C. Anderson, T. Tsuda, Y. Ogawa, S. Nozawa, A. Aruliah, V. Howells, L. Baddeley, I. McCrea, and J. Wild,
Meso-scale observations of Joule heating near an auroral arc and ion-neutral collision frequency in the polar cap E-region,
J. Geophys. Res., vol. 116, A05321, doi:10.1029/2010JA016015, 2011.

Kosch, M. J., E. Mjolhus, M. Ashrafi, M. T. Rietveld, T. Yeoman, and S. Nozawa,
Angular dependence of pump-induced bottomside and topside ionospheric plasma turbulence at EISCAT,
J. Geophys. Res., 116, A03322, doi:10.1029/2010JA016014, 2011.

Partamies, N., L. Juusola, E. Tanskanen, K. Kauristie, J. M. Weygand, and Y. Ogawa,
Substorms during different storm phases,
Ann. Geophys., 29, 2031-2043, 2011.

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