Kjetil Albrechtsen

PhD Candidate

Academic article

Albrechtsen, Kjetil; Østgaard, Nikolai; Berge, Nini; Gjesteland, Thomas. 2018. Observationally Weak TGFs in the RHESSI Data. Journal of Geophysical Research (JGR): Atmospheres. 287-298.

Mezentsev, Andrey; Østgaard, Nikolai; Gjesteland, Thomas; Albrechtsen, Kjetil; Lehtinen, Nikolai; Marisaldi, Martino; Smith, David; Cummer, Steven. 2016. Radio emissions from double RHESSI TGFs. Journal of Geophysical Research (JGR): Biogeosciences. 8006-8022.

Østgaard, Nikolai; Albrechtsen, Kjetil; Gjesteland, Thomas; Collier, Andrew B. 2015. A new population of terrestrial gamma-ray flashes in the RHESSI data. Geophysical Research Letters. 10937-10942.

Lecture

Mezentsev, Andrey; Østgaard, Nikolai; Gjesteland, Thomas; Albrechtsen, Kjetil; Marisaldi, Martino; Smith, David; Cummer, Steven A. 2016. Radio emissions from double RHESSI TGFs.

Academic lecture

Østgaard, Nikolai; Marisaldi, Martino; Albrechtsen, Kjetil; Kochkin, Pavlo; Lehtinen, Nikolai; Mezentsev, Andrey; Skeltved, Alexander Broberg. 2017. A Synergic Approach to the Study of TGFs and Energetic Radiation from Thunderstorms.

Østgaard, Nikolai; Gjesteland, Thomas; Christian, Hugh; Albrechtsen, Kjetil; Carlson, Brant Edward; Collier, Andrew B.; Cummer, Steven; Lu, Gaopeng. 2015. The sequence of events in a lightning stroke: terrestrial gamma ray flash, radio signal and optical lightning.

Poster

Berge, Ninni; Østgaard, Nikolai; Albrechtsen, Kjetil. 2017. Optimization of Selection Criteria for Weak Signal TGFs.
Østgaard, Nikolai; Marisaldi, Martino; Kochkin, Pavlo; Lehtinen, Nikolai; Mezentsev, Andrey; Skeltved, Alexander Broberg; Albrechtsen, Kjetil. 2017. How should we define terrestrial gamma-ray flashes?
Albrechtsen, Kjetil; Østgaard, Nikolai; Marisaldi, Martino; Gjesteland, Thomas; Berge, Nini. 2017. Estimating the global production rate of TGFs.
Albrechtsen, Kjetil; Østgaard, Nikolai. 2017. Assessment of the cutoff of a broken power law fitted to RHESSI data.
Marisaldi, Martino; Østgaard, Nikolai; Albrechtsen, Kjetil; Carlson, Brant; Kochkin, Pavlo; Lehtinen, Nikolai; Mezentsev, Andrey; Skeltved, Alexander Broberg. 2017. A Synergic Approach to the Study of TGFs and Energetic Radiation from Thunderstorms.

Mezentsev, Andrey; Østgaard, Nikolai; Gjesteland, Thomas; Albrechtsen, Kjetil; Cummer, Steven A. 2016. Radio emissions from RHESSI TGFs.
Mezentsev, Andrey; Østgaard, Nikolai; Gjesteland, Thomas; Albrechtsen, Kjetil; Marisaldi, Martino; Smith, David; Cummer, Steven A. 2016. Radio emissions from RHESSI TGFs.

Albrechtsen, Kjetil; Østgaard, Nikolai; Gjesteland, Thomas; Collier, Andrew B. 2015. Do all lightning produce TGFs? Approaching this question using data from RHESSI and WWLLN.