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  1. A wideview CCD imager for OH airglow observations was operated at the MU radar site in Shigaraki, Japan (35°N, 136°E). From the 18 months’ observation, dominant gravity wave components in the OH images are ext...

    Authors: T. Nakamura, A. Higashikawa, T. Tsuda and Y. Matsushita
    Citation: Earth, Planets and Space 2014 51:BF03353248
  2. Results from two different instrumental techniques, an Na Wind/Temperature Lidar and an OH Mesospheric Temperature Mapper, have been combined to investigate the occurrence and properties of the mid-latitude te...

    Authors: M. J. Taylor, W. R. Pendleton Jr., C. S. Gardner and R. J. States
    Citation: Earth, Planets and Space 2014 51:BF03353246
  3. Optical observations were made at Ramfjord, Norway from January 10 to February 14,1997. Two types of Fabry-Perot interferometers (FPIs), Doppler-imaging and scanning, were installed at the EISCAT radar site an...

    Authors: M. Ishii, S. Oyama, S. Nozawa, R. Fujii, E. Sagawa, S. Watari and H. Shinagawa
    Citation: Earth, Planets and Space 2014 51:BF03353242
  4. We present a new rocket instrument which measures total atmospheric density with great precision and resolution by Rayleigh scattering of infrared light. Comparison with a ground-based lidar shows: (a) both in...

    Authors: Ulf-Peter Hoppe, Torkild Eriksen, Eivind V. Thrane, Tom A. Blix, Jens Fiedler and Franz-Josef Lübken
    Citation: Earth, Planets and Space 2014 51:BF03353240
  5. The dynamical structure of the atmosphere around the sporadic sodium layer at mid-latitude (∼35°N) below 100 km was studied by simultaneous observation with the MU radar at Shigaraki (34.9°N, 136.1°E), and two...

    Authors: Hirohisa Miyagawa, Takuji Nakamura, Toshitaka Tsuda, Makoto Abo, Chikao Nagasawa, Takuya D. Kawahara, Keiji Kobayashi, Tsukasa Kitahara and Akio Nomura
    Citation: Earth, Planets and Space 2014 51:BF03353237
  6. HRDI zonally averaged daytime temperatures are used to compute the gradient wind in the 65–105 km range. Results are compared with independently measured HRDI zonal mean zonal winds. The gradient wind captures...

    Authors: Ruth S. Lieberman
    Citation: Earth, Planets and Space 2014 51:BF03353234
  7. An in-situ rocket technique using foil chaff is used to observe wind fields in the mesosphere and lower thermosphere (80–98 km in altitude). We launched two micro-rockets at 1200 and 1315 UT on 14 January 1997 fr...

    Authors: Y. Murayama, K. Igarashi, I. Nishimuta, R. Yamazaki, K. -I. Oyama, T. Tsuda, T. Nakamura, S. Fukao, H. -U. Widdel and K. Schlegel
    Citation: Earth, Planets and Space 2014 51:BF03353230
  8. The seasonal variations of the zonal winds measured by meteor/MF radars and by the wind-imaging interferometer (WINDII) on board of the UARS satellite, are analyzed and compared with the ground-based Global Em...

    Authors: Yu. I. Portnyagin, T. V. Solovjova and D. Y. Wang
    Citation: Earth, Planets and Space 2014 51:BF03353228
  9. We conducted meteor echo observations using the Buckland Park MF radar (35°S, 138°E) at 00:40–05:45 LT on October 22, 1997. In addition to the usual full correlation analysis (FCA) technique to measure horizon...

    Authors: Masaki Tsutsumi, David Holdsworth, Takuji Nakamura and Iain Reid
    Citation: Earth, Planets and Space 2014 51:BF03353227
  10. Zonal and meridional winds in the equatorial mesosphere and lower thermosphere (65–98 km) measured at two sites separated by 94° in longitude are used to study the zonal structure of planetary-scale waves. The...

    Authors: S. Kovalam, R. A. Vincent, I. M. Reid, T. Tsuda, T. Nakamura, K. Ohnishi, A. Nuryanto and H. Wiryosumarto
    Citation: Earth, Planets and Space 2014 51:BF03353224
  11. A meteor radar was operated at Amundsen-Scott Station, South Pole, from January 19, 1995 through January 26, 1996 and from November 21, 1996 through January 27, 1997. Hourly wind measurements were obtained nea...

    Authors: J. M. Forbes, Yu. I. Portnyagin, N. A. Makarov, S. E. Palo, E. G. Merzlyakov and X. Zhang
    Citation: Earth, Planets and Space 2014 51:BF03353219
  12. WINDII, the Wind Imaging Interferometer on the Upper Atmospheric Research Satellite measures winds and emission rates from selected excited metastable species. Here we report on measurements of the atmospheric...

    Authors: M. G. Shepherd, W. E. Ward, B. Prawirosoehardjo, R. G. Roble, S. -P. Zhang and D. Y. Wang
    Citation: Earth, Planets and Space 2014 51:BF03353218
  13. The long-term behavior of atmospheric tides in the mesosphere and lower thermosphere has been observed with the meteor wind radar (MWR) in Jakarta, Indonesia (6°S, 107°E) from November 1992 to August 1997. The...

    Authors: Toshitaka Tsuda, Kazunori Ohnishi, Fusako Isoda, Takuji Nakamura, Robert A. Vincent, Iain M. Reid, Sri Woro B. Harijono, Tien Sribimawati, Agus Nuryanto and Harsono Wiryosumarto
    Citation: Earth, Planets and Space 2014 51:BF03353217
  14. The temporal evolution of a turbulent layer is calculated in detail by solving the hydrodynamic equations. The turbulence is initiated by a Kelvin-Helmholtz instability. The field of potential-temperature fluc...

    Authors: R. J. Hill, D. E. Gibson-Wilde, J. A. Werne and D. C. Fritts
    Citation: Earth, Planets and Space 2014 51:BF03353211
  15. We present a possible theoretical model for the generation of travelling Alfven waves by external compressional disturbances in a two-dimensional inhomogeneous plasma. The transformation of a compressional wav...

    Authors: V. Pilipenko, E. Fedorov, N. Mazur, M. J. Engebretson and W. J. Hughes
    Citation: Earth, Planets and Space 2014 51:BF03352248
  16. A new technique for continuation of the ground magnetic field caused by ionospheric currents to the ionosphere in spherical geometry is presented that makes use of elementary ionospheric current systems, which...

    Authors: O. Amm and A. Viljanen
    Citation: Earth, Planets and Space 2014 51:BF03352247
  17. We conducted onshore and offshore magnetic surveys on and around the southern Boso Peninsula, Honshu, Japan, and observed prominent large amplitude anomalies along the Mineoka Ophiolite Belt, and long waveleng...

    Authors: Toshiya Fujiwara, Hajimu Kinoshita and Rie Morijiri
    Citation: Earth, Planets and Space 2014 51:BF03352245
  18. The local time and longitudinal variations of the amplitude of the equatorial electrojet (EE) are investigated using the POGO series satellite data. An iterative normalization scheme is developed to separate t...

    Authors: H. R. Kim and Scott D. King
    Citation: Earth, Planets and Space 2014 51:BF03352241
  19. The ELF- and the ULF-MT surveys were carried out in the northern part of Miyagi Prefecture, northeastern Japan. This area is one of the most seismically active areas in this region, where hypocenters of microe...

    Authors: Masahiro Ichiki, Masaaki Mishina, Tadanori Goto, Naoto Oshiman, Norihiko Sumitomo and Hisashi Utada
    Citation: Earth, Planets and Space 2014 51:BF03352239
  20. We performed high resolution magnetic measurements on about 180 m of continuous U-channel samples from Sites 1012 (East Cortez Basin) and 1013 (San Nicolas Basin) that were recovered during Ocean Drilling Prog...

    Authors: Carl Richter, Akira Hayashida, Yohan Guyodo, Jean-Pierre Valet and Kenneth L. Verosub
    Citation: Earth, Planets and Space 2014 51:BF03352237
  21. Nighttime hourly mean values of D, H and Z (or X, Y and Z in a few cases) from 113 observatories for the interval 1964.0 to 1966.0 have been analyzed to determine the semi-annual variation. Results from the 84 ob...

    Authors: S. R. C. Malin, D. E. Winch and A. M. Işıkara
    Citation: Earth, Planets and Space 2014 51:BF03352236
  22. In order to enhance the reproduction of the recovery phase Dst index of a geomagnetic storm which has been shown by previous studies to be poorly reproduced when compared with the initial and main phases, an arti...

    Authors: Samuel Kugblenu, Satoshi Taguchi and Takashi Okuzawa
    Citation: Earth, Planets and Space 2014 51:BF03352234
  23. A numerical algorithm to solve the 2D forward problem in magnetotellurics is presented. The method solves Maxwell’s equations as a first order system of partial differential equations employing an iterative hy...

    Authors: F. I. Zyserman, L. Guarracino and J. E. Santos
    Citation: Earth, Planets and Space 2014 51:BF03352233
  24. Two spatial-temporal models of the geomagnetic field secular variations in a time interval from 1970.0 to 1995.0 were constructed for the Far East region using the technique of regional modeling. First model c...

    Authors: Irina A. Burdelnaya, Sergey V. Filippov, Vadim P. Golovkov, Satoshi Fujiwara, Tadashi Tanabe, Shujiro Nishi, Masaru Kaidzu and Shigeru Matsuzaka
    Citation: Earth, Planets and Space 2014 51:BF03352232
  25. The anisotropy of local turbulence in the Earth’s core is examined. It is recognized that small-scale motions in the core are strongly influenced by the Earth’s rotation and its magnetic field. A small region ...

    Authors: Masaki Matsushima, Takahiro Nakajima and Paul H. Roberts
    Citation: Earth, Planets and Space 2014 51:BF03352231
  26. When a large earthquake occurs in and around the Japanese Islands, we should immediately determine the size and the fault geometry of the earthquake to mitigate earthquake disasters. Broad-band, strong-motion ...

    Authors: Ikuo Cho, Ichiro Nakanishi and Tamao Sato
    Citation: Earth, Planets and Space 2014 51:BF03352228
  27. In 1997, two earthquakes (M6.5 and M6.3) occurred in the northwestern part of Kagoshima Prefecture, Japan. We carried out temporary seismic observation to obtain the detailed aftershock distribution. We constr...

    Authors: Hiroki Miyamachi, Kazuhiro Iwakiri, Hiroshi Yakiwara, Kazuhiko Goto and Toshiki Kakuta
    Citation: Earth, Planets and Space 2014 51:BF03352227
  28. The object of this series of studies is to develop a highly accurate statistical code for describing the planetary accumulation process. In the present paper, as a first step, we check the validity of the meth...

    Authors: Satoshi Inaba, Hidekazu Tanaka, Keiji Ohtsuki and Kiyoshi Nakazawa
    Citation: Earth, Planets and Space 2014 51:BF03352224
  29. The Network MT method was used in the eastern part of the Shikoku district, southwestern Japan, and a total of thirty-nine MT impedances (64 to 2560 sec) were obtained. These MT impedances had their values ave...

    Authors: Satoru Yamaguchi, Yoshiaki Kobayashi, Naoto Oshiman, Kengo Tanimoto, Hideki Murakami, Ichiro Shiozaki, Makoto Uyeshima, Hisashi Utada and Norihiko Sumitomo
    Citation: Earth, Planets and Space 2014 51:BF03352223
  30. The Matuyama-Brunhes geomagnetic reversal was continuously recorded in the massive siltstones of the Boso marine sediments in Japan with the time resolution better than 9 years. However the Boso sediments prob...

    Authors: Hideo Tsunakawa, Makoto Okada and Nobuaki Niitsuma
    Citation: Earth, Planets and Space 2014 51:BF03352221
  31. In light of newly-acquired geophysical information about earthquake generation in the Tokai area, Central Japan, where occurrence of a great earthquake of magnitude 8 or so has recently been feared, probabilit...

    Authors: Tsuneji Rikitake
    Citation: Earth, Planets and Space 2014 51:BF03352219

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