Cristin-person-ID: 58751
Person

Asgeir Brekke

  • Stilling:
    Gjest
    ved Institutt for fysikk og teknologi ved UiT Norges arktiske universitet

Resultater

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).

Adachi, K; Nozawa, Satonori; Ogawa, Y; Brekke, Asgeir; Hall, Chris; Fujii, Ryochi. 2017, Earth Planets and Space. UIT, ND, NIPRVitenskapelig artikkel

A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6° N) during a night of high auroral activity.

Takahashi, Toru; Nozawa, Satonaori; Tsuda, Takuo T.; Ogawa, Yasunobu; Saito, Norihito; Hidemori, Takehiro; Kawahara, Takuya D.; Hall, Chris; Fujiwara, Hitoshi; Matuura, Nobuo mfl.. 2015, Annales Geophysicae. SD, UIT, UEC, ND, RIKEN, NIPR, SKDDVitenskapelig artikkel

A sporadic sodium layer event detected with five-directional lidar and simultaneous wind, electron density, and electric field observation at Tromsø, Norway.

Tsuda, Takuo T.; Nozawa, Satonori; Kawahara, Takuya D.; Kawabata, Tetsuya; Saito, Norihito; Wada, Satoshi; Hall, Chris; Tsutsumi, Masaki; Ogawa, Yujiro; Oyama, Shinichiro mfl.. 2015, Geophysical Research Letters. SD, UIT, UEC, ND, RIKEN, NIPR, SKDDVitenskapelig artikkel

A case study of gravity wave dissipation in the polar MLT region using sodium LIDAR and radar data.

Takahashi, Toru; Nozawa, Satonori; Tsutsumi, Masaki; Hall, Chris; Suzuki, Shin; Tsuda, Takuo T.; Kawahara, Takuya D.; Saito, Norihito; Oyama, Shinichiro; Wada, Satoshi mfl.. 2014, Annales Geophysicae. UIT, SD, ND, UOS, RIKEN, NIPRVitenskapelig artikkel

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.

Nozawa, Satonori; Kawahara, Takuya D.; Saito, Norihito; Hall, Christopher; Tsuda, Takuo T.; Kawabata, Tetsuya; Wada, Satoshi; Brekke, Asgeir; Takahashi, Tomoaki; Fujiwara, Hitoshi mfl.. 2014, Journal of Geophysical Research - Space Physics. UIT, SD, ND, RIKEN, NIPRVitenskapelig artikkel

Utmerkelser