Bilde av Brekke, Asgeir
Bilde av Brekke, Asgeir
Department of Physics and Technology asgeir.brekke@uit.no +4777620883 90026908 REALF C 109

Asgeir Brekke


Professor Emeritus


  • Asgeir Brekke :
    The legacy of the Haldde Observatory
    History of Geo- and Space Sciences 14. January 2021 ARKIV / DOI
  • K Adachi, Satonori Nozawa, Y Ogawa, Asgeir Brekke, Chris Hall, Ryochi Fujii :
    Evaluation of a method to derive ionospheric conductivities using two auroral emissions (428 and 630 nm) measured with a photometer at Tromsø (69.6°N)
    Earth Planets and Space 2017 ARKIV / DOI
  • Takuo T. Tsuda, Satonori Nozawa, Takuya D. Kawahara, Tetsuya Kawabata, Norihito Saito, Satoshi Wada et al.:
    A sporadic sodium layer event detected with five-directional lidar and simultaneous wind, electron density, and electric field observation at Tromsø, Norway
    Geophysical Research Letters 2015 DOI
  • Toru Takahashi, Satonaori Nozawa, Takuo T. Tsuda, Yasunobu Ogawa, Norihito Saito, Takehiro Hidemori et al.:
    A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6° N) during a night of high auroral activity
    Annales Geophysicae 2015 ARKIV / DOI
  • Satonori Nozawa, Takuya D. Kawahara, Norihito Saito, Christopher Hall, Takuo T. Tsuda, Tetsuya Kawabata et al.:
    Variations of the neutral temperature and sodium density between 80 and 107 km above Tromsø during the winter of 2010-2011 by a new solid state sodium LIDAR
    Journal of Geophysical Research (JGR): Space Physics 2014 DOI
  • Toru Takahashi, Satonori Nozawa, Masaki Tsutsumi, Chris Hall, Shin Suzuki, Takuo T. Tsuda et al.:
    A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data
    Annales Geophysicae 2014 ARKIV / DOI
  • Satonori Nozawa, Chris Hall, Masaki Tsutsumi, Asgeir Brekke, Yasunobu Ogawa, T. T. Tsuda et al.:
    Mean winds, tides, and quasi-2 day waves above Bear Island
    Journal of Atmospheric and Solar-Terrestrial Physics 2012 DOI
  • S. Oyama, Asgeir Brekke, T. T. Tsuda, J Kurihara, B. J. Watkins :
    Variance of the vertical ion speed measured with the European Incoherent Scatter (EISCAT) UHF radar in the polar lower ionosphere at Tromso, Norway
    Journal of Geophysical Research (JGR): Space Physics 2011 DOI
  • T Tsuda, Satonori Nozawa, T Kawahara, T Kawabata, N Saito, S Wada et al.:
    Fine structure of sporadic sodium layer observed with a sodium lidar at Tromsø, Norway
    Geophysical Research Letters 2011 DATA / DOI
  • Satonori Nozawa, Y Ogawa, Shinichiro Oyama, H Fujiwara, T Tsuda, Asgeir Brekke et al.:
    Tidal waves in the polar lower thermosphere observed using the EISCAT long run data set obtained in September 2005
    Journal of Geophysical Research (JGR): Space Physics 2010 DOI
  • Sawako Maeda, Yasunobu Ogawa, Keisuke Hosokawa, Satonori Nozawa, Shinichiro Oyama, Takuo Tsuda et al.:
    Ion heating in high-speed flow channel within the duskside cell of the polar cap ion convection under large IMF-B-y condition
    Journal of Geophysical Research (JGR): Space Physics 2009 DOI
  • N. F. Blagoveshchenskaya, H. C. Carlson, V. A. Kornienko, T. D. Borisova, Michael T Rietveld, T. K. Yeoman et al.:
    Phenomena induced by powerful HF pumping towards magnetic zenith with a frequency near the F-region critical frequency and the third electron gyro harmonic frequency
    Annales Geophysicae 2009
  • Andrey Zalizovski, Sergey Kashcheyev, Yuri Yampolski, Vladimir Galushko, Vasyl Belyey, B. Isham et al.:
    Self-scattering of a powerful HF radio wave on stimulated ionospheric turbulence
    Radio Science 2009 DOI
  • S. Oyama, B. J. Watkins, S. Maeda, H. Shinagawa, Satonori Nozawa, Yasunobu Ogawa et al.:
    Generation of the lower-thermospheric vertical wind estimated with the EISCAT KST radar at high latitudes during periods of moderate geomagnetic disturbance
    Annales Geophysicae 2008
  • Chris Hall, Asgeir Brekke, Paul Cannon :
    Climatic trends in E-region critical frequency and virtual height above Tromsø (70°N, 10°E)
    Annales Geophysicae 2007
  • Chris Hall, Asgeir Brekke, Alan Manson, Chris Meek, Satonori Nozawa :
    Trends in mesospheric turbulence at 70°N
    Atmospheric Science Letters 2007 DOI
  • T. T. Tsuda, Satonori Nozawa, Asgeir Brekke, Yasunobu Ogawa, T. Motoba, Ray Roble et al.:
    An ion drag contribution to the lower thermospheric wind in the summer polar region
    Journal of Geophysical Research (JGR) 2007 DOI
  • Satonori Nozawa, Y Ogawa, Asgeir Brekke, T Tsuda, Chris Hall, H Miyaoka et al.:
    EISCAT observational results during the DELTA campaign
    Earth Planets and Space 2006
  • Arve Aksnes, Johan Stadsnes, Nikolai Østgaard, G. A. Germany, Kjellmar Oksavik, Richard R. Vondrak et al.:
    Height profiles of the ionospheric electron density derived using space-based remote sensing of UV and X ray emissions and EISCAT radar data: A ground-truth experiment
    Journal of Geophysical Research (JGR) 2006
  • E. D. Tereshchenko, R. Yu. Yurik, B. Z. Khudukon, Michael T Rietveld, Brett Cameron Isham, Vasyl Belyey et al.:
    Directional features of the downshifted peak observed in HF-induced stimulated electromagnetic emission spectra obtained using an interferometer
    Annales Geophysicae 2006
  • Asgeir Brekke :
    Da forskninga inntok Ny-Ålesund
    Polarboken 2020
  • Asgeir Brekke :
    Hunting the Northern Lights
    Journal of Geophysical Research (JGR): Space Physics 2019 DOI
  • Asgeir Brekke :
    Observatoriet på Haldde og nordlysforsking
    Fra Fysikkens Verden 2018
  • Asgeir Brekke :
    Pioners of Electric Currents in Geospace
    American Geophysical Union (AGU) 2018 DOI
  • Vasyl Belyey, N.M. Schlatter, Cesar La Hoz, Unni Pia Løvhaug, Asgeir Brekke :
    Interferometric radar imaging on Svalbard
    2013
  • Asgeir Brekke :
    Under emballasjens tyranni
    Nordlys 2012
  • Gunnar Bentdal, Kaare Aksnes, Asgeir Brekke, Jan-Erik Solheim, Øyvind Nordli, Bjørn Ragnvald Pettersen :
    En himmelrommets fyrvokter
    2012
  • Vasyl Belyey, Cesar La Hoz, Asgeir Brekke, Hannah Vickers, Unni Pia Løvhaug :
    EISCAT Aperture Synthesis Interferometer (EASI) as a test ground for the EISCAT_3D radar
    2012
  • Asgeir Brekke :
    Om å knekke en paradegren
    Nytt fra nord 2011
  • Asgeir Brekke :
    Nordlysbyen Alta
    Altaposten 2011
  • Asgeir Brekke :
    Takk til Jagland og Nobelkomiteen
    Aftenposten (morgenutg. : trykt utg.) 2011
  • Asgeir Brekke :
    Nils Angel Brekke - ein kunstmålar i Ny - Ålesund i 1926
    Svalbardposten 2011
  • Asgeir Brekke :
    Japansk polarforskning 100 år
    Nordlys 2011
  • Asgeir Brekke :
    Språklig forfall
    Nordlys 2011
  • Asgeir Brekke :
    30 år med Nordområdeprosjektet EISCAT
    Nytt fra nord 2011
  • Asgeir Brekke, Magnar Gullikstad Johnsen :
    EISCAT - a genuine project in the Northern Region
    2011
  • Asgeir Brekke :
    Nordområdeprosjektet EISCAT
    Nordlys 04. January 2011 DATA / ARKIV
  • Asgeir Brekke :
    Amatørastronomen Sigurd Einbu heidra med minnesmerke
    Fra Fysikkens Verden 2009
  • Asgeir Brekke :
    Klima og kosmiske stråler
    Forskning 2008
  • Asgeir Brekke :
    Om å knekke en paradegren
    Nordlys 2008
  • Asgeir Brekke :
    The chairma´s section
    EISCAT Annual Report 2008 2008
  • Vasyl Belyey, B. Isham, Michael T Rietveld, Boris Khudukon, R. Yu. Yurik, E. D. Tereshchenko et al.:
    Interferometric Observations of Narrow-Band Features in Stimulated Electromagnetic Emission (SEE)
    2007
  • Anders Johnsson, Asgeir Brekke :
    Åpen forskningspublisering?
    18. April 2006
  • A.C. Nilssen, J.B. Ørbæk, Asgeir Brekke :
    Arctic lights
    2006
  • Asgeir Brekke :
    Forskningsaktiviteten på Svalbard
    Svalbardposten 2006
  • Anders Johnsson, Asgeir Brekke :
    Åpen forskningspublisering?
    30. November 2005
  • Arve Aksnes, Johan Stadsnes, Nikolai Østgaard, Glynn Germany, Kjellmar Oksavik, Richard R. Vondrak et al.:
    Height profiles of the ionospheric electron density derived from remote sensing of UV and X-ray emissions and measurements by the EISCAT radar: A comparison
    2005
  • Arve Aksnes, Johan Stadsnes, Nikolai Østgaard, G.A. Germany, R.R. Vondrak, K. Oksavik et al.:
    Ionospheric global conductance maps from remote sensing of UV and X-ray emissions
    2005
  • Arve Aksnes, Johan Stadsnes, Asgeir Brekke, Nikolai Østgaard, G.A. Germany, R.R. Vondrak et al.:
    Height profiles of the ionospheric electron density derived from remote sensing of UV- and X-ray emissions and measured by EISCAT radar
    2005
  • Chris Hall, Jürgen Röttger, Takehiko Aso, Asgeir Brekke :
    Observing the climatology of tropospheric and lower stratospheric structure over Svalbard with the SOUSY Svalbard Radar
    2005

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