Publications
Conference poster
- Marita Sørbø; Pontus Brandt; Finn Søraas et al. (2007). The Storm Time Equatorial Belt is dominated by Oxygen ions from the ring current. (external link)
- M. Grande; M. Carter; C. H. Perry et al. (2001). Investigation of energetic electrons in the geotail using Cluster RAPID IES. (external link)
- Kjellmar Oksavik; Finn Søraas; Jøran Moen et al. (2001). Open and closed LLBL: Optical and particle signatures. (external link)
- M. I. Sandanger; F. Søraas; Kjellmar Oksavik et al. (2004). Loss of relativistic electrons during HILDCAA events. (external link)
- Marit Irene J. Sandanger; Linn Kristine G. Ødegaard; Hilde Nesse Tyssøy et al. (2014). A New Method of recalibrating NOAA POES MEPED proton measurements. (external link)
- Kjellmar Oksavik; Finn Søraas; Jøran Moen et al. (2003). Simultaneous optical, CUTLASS HF radar, and FAST spacecraft observations in the cusp. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas et al. (2013). Variations in cutoff latitude during the January 2012 solar proton event and implication for the distribution of particle energy deposition. (external link)
- Marit Irene J. Sandanger; Finn Søraas; Kjell Aarsnes et al. (2003). A study of particle injection into the Auroral/Ring Current during HILDCAA events. (external link)
- M. I. Sandanger; F. Søraas; K. Aarsnes et al. (2003). A Study of Particle Injection into the Auroral/Ring Current During HILDCAA Events. (external link)
- M. I. Sandanger; F. Søraas; K. Aarsnes et al. (2003). Particle injection into the auroral/ring current regions during HILDCAA events. (external link)
- Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy; Finn Søraas et al. (2016). Energetic electron precipitation during geomagnetic storms driven by high-speed solar wind streams. (external link)
- Marit Irene J. Sandanger; Hilde Nesse Tyssøy; Johan Stadsnes et al. (2013). Determination of NOAA MEPED correction factors - evaluation of different methods. (external link)
- Marita Sørbø; Finn Søraas (2005). Low altitude observations of ENAs. (external link)
- Marita Sørbø; Finn Søraas; Kjell Aarsnes et al. (2005). Low latitude precipitation of energetic neutral atoms reflects the ring current pitch angle distribution during storms. (external link)
- Marita Sørbø; Finn Søraas (2006). Ring current processes inferred from precipitating Energetic Neutral Atoms at low latitudes. (external link)
- Kjellmar Oksavik; Theodore A. Fritz; Quigang Zong et al. (2001). Sounding the magnetopause surface in three-dimensions with Cluster/RAPID. (external link)
- R. Stadsnes; K. Svenes; K. Aarsnes et al. (2003). A comparison between tail and low altitude observations during a long period of enhanced geomagnetic activity. (external link)
- Hilde Nesse Tyssøy; Linn-Kristine Glesnes Ødegaard; Johan Stadsnes et al. (2017). Parameterizing Energetic Electron Precipitation in Weak to Moderate Geomagnetic Storm associated with Corotating Interaction Regions. (external link)
- Hilde Nesse Tyssøy; Linn-Kristine Glesnes Ødegaard; Johan Stadsnes et al. (2016). Energetic Electron Precipitation in Weak to Moderate Geomagnetic Storm associated with Corotating Interaction Regions. (external link)
- Finn Søraas; Marita Sørbø; Kjell Aarsnes et al. (2006). Ring current behavior inferred from ground magnetic and space observations. (external link)
- Marita Sørbø; Finn Søraas (2005). Low altitude observations of ENAs. (external link)
- Knut R. Svenes; Rune Stadsnes; Stein Håland et al. (2002). Four spacecraft study of dipolarization-like signatures at the lobe/plasma sheet interface. (external link)
- Rune Stadsnes; Knut Svenes; Kjell Aarsnes et al. (2003). A comparison between tail and low altitude observations during a long period of enhanced geomagnetic activity. (external link)
- Dag Vartdal Carlsen; Finn Søraas (2002). A comparison between Dst based upon SW parameters and proton precipitation. (external link)
- D. S. Evans; M. S. Greer; F. Søraas et al. (2003). A long-lived enhancement of >30 keV electron fluxes at very low L-values. (external link)
- Marit Irene J. Sandanger; Linn Kristine G. Ødegaard; Hilde Nesse Tyssøy et al. (2014). A new method of recalibrating NOAA MEPED proton measurements. (external link)
- Hilde Nesse Tyssøy; Linn-Kristine Glesnes Ødegaard; Johan Stadsnes et al. (2019). Electron Pitch Angle Anisotropy in Corotating Interaction Region-Driven Storms – Implications for Energetic Electron Precipitation. (external link)
- Marit Irene J. Sandanger; Finn Søraas; Kjell Aarsnes et al. (2006). Relativistic electrons during high speed solar wind streams. (external link)
- Stein Egil Håland; Finn Søraas; Stein Ullaland (1999). GEOTAIL HEP-LD Results: 1: Propagation Velocities and Dimensions of Flux Rope Structures in the Near-Earth Magnetotail. (external link)
- Marita Sørbø; Finn Søraas (2006). Low latitude precipitating Energetic Neutral Atoms reveal properties of the storm time ring current. (external link)
- Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy; Marit Irene J. Sandanger et al. (2015). Relativistic electron precipitation during geomagnetic storm time in the years 2006 – 2010. (external link)
- K. Måseide; Finn Søraas; Kjell Aarsnes et al. (1995). A Comparison of Optical Emissions, X-rays and Particle Measurements in a Pulsating Aurora. (external link)
- Knut Svenes; Rune Stadsnes; Svein Haaland et al. (2003). Case study of a near-earth reconnection event utilizing multipoint satellite observations. (external link)
- Marit Irene J. Sandanger; Finn Søraas; Kjell Aarsnes et al. (2003). Particle injection into the auroral/ring current regions during HILDCAA events. (external link)
- Marit Irene J. Sandanger; Finn Søraas; Kjell Aarsnes et al. (2003). Partikkel injeksjon inn i nordlys- og ringstrøms områdene under HILDCAA. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (2002). Proton precipitation as a measure of ring current injection. (external link)
- Kjellmar Oksavik; F. Søraas; Jøran Idar Moen et al. (2003). Simultaneous optical, CUTLASS HF radar, and FAST spacecraft observations in the cusp. (external link)
- Marit Irene J. Sandanger; Linn-Kristine Glesnes Ødegaard; Finn Søraas et al. (2016). Solar cycle variability in long term particle fluxes as measured by NOAA POES. (external link)
- Finn Søraas; Kjellmar Oksavik; Kjell Aarsnes et al. (2002). Storm Time Equatorial Belt - an Image of Ring Current Behavior. (external link)
- Kjell Aarsnes; Kjellmar Oksavik; Finn Søraas et al. (2002). Observations of Energetic Particles From the Polar Cap to the Equator During the April 2002 Storms. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (1999). Low Altitude Observations of Ring Current Particles. (external link)
- Finn Søraas; Marita Sørbø (2007). Ring current behaviour inferred from ground magnetic and space observations. (external link)
- Kjellmar Oksavik; Jøran Idar Moen; M. Lester et al. (2004). On the collocation of turbulent electric fields and wide HF spectra. (external link)
- Linn Kristine G. Ødegaard; Marit Irene J. Sandanger; Finn Søraas et al. (2014). Space weather effects on solid state detectors on low altitude polar orbiting satellites. (external link)
- Raine Kerttula; Kalevi Mursula; Timo Asikainen et al. (2003). Energetic particle acceleration during the main phase of a major magnetic storm. (external link)
- Marita Sørbø; Finn Søraas; Kjell Aarsnes et al. (2003). Multi-spacecraft observations of energetic electron and proton precipitation during geomagnetic storms. (external link)
- Knut R. Svenes; Rune Stadsnes; Stein Håland et al. (2003). Case study of a near-Earth reconnection event utilizing multipoint satellite observations. (external link)
- David Evans; Sue Greer; Finn Søraas et al. (2003). Long-lived enhancements of >30 keV electron fluxes at very low L-values. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (2002). Storm-time protons observed at L-values below 1.25. (external link)
- Kjellmar Oksavik; Finn Søraas; Theodore A Fritz et al. (2002). Three-dimensional magnetopause sounding using Cluster/RAPID. (external link)
- Linn-Kristine Glesnes Ødegaard; Kjellmar Oksavik; Finn Søraas et al. (2013). Recalibration of the NOAA/POES MEPED instrument using a statistical approach. (external link)
- M. I. Sandanger; F. Søraas; K. Aarsnes et al. (2003). Partikkel injeksjon inn i nordlys- og ringstrømsområdene under HILDCAA. (external link)
- M. Sørbø; F. Søraas; K. Aarsnes et al. (2003). Multi-spacecraft observations of energetic electron and proton precipitation during geomagnetic storms. (external link)
Academic article
- Finn Søraas; Marita Sørbø (2013). Low altitude observations of ENA from the ring current and from the proton oval. (external link)
- Raine Kerttula; Kalevi Mursula; Timo Asikainen et al. (2005). Energetic particle acceleration during a major magnetic storm. (external link)
- Marita Sørbø; Finn Søraas; Marit Irene J. Sandanger et al. (2009). Ring current behaviour during corotating interaction region and high speed stream events. (external link)
- Maria E. Usanova; Ian R. Mann; Zoe C. Kale et al. (2010). Conjugate ground and multisatellite observations of compression-related EMIC Pc1 waves and associated proton precipitation. (external link)
- CJ Pollock; A Isaksson; JM Jahn et al. (2009). Remote global-scale observations of intense low-altitude ENA emissions during the Halloween geomagnetic storm of 2003. (external link)
- Stein Egil Håland; Finn Søraas; Stein Ullaland (1999). Propagation Velocities and Dimensions of Plasmoid Structures in the Near-Earth Magnetotail. (external link)
- I. Daglis; W. I. Axford; S. Livi et al. (1996). Auroral ionospheric ion feeding of the inner plasma sheet during substroms. (external link)
- Finn Søraas; K. Måseide; P. Torheim et al. (1994). Doppler-shifted auroral H-beta emission: a comparison between obaervatons and calculations. (external link)
- Marianne Daae; Patrick Joseph Espy; Hilde Nesse Tyssøy et al. (2012). The effect of energetic electron precipitation on middle mesospheric night-time ozone during and after a moderate geomagnetic storm. (external link)
- Finn Søraas; Marit Irene J. Sandanger; Christine Smith-Johnsen (2018). NOAA POES and MetOp particle observations during the 17 March 2013 storm. (external link)
- Finn Søraas; Karl Magnus Laundal; Maria E. Usanova (2013). Coincident particle and optical observations of nightside subauroral proton precipitation. (external link)
- Kalevi Mursula; Raine Kerttula; Timo Asikainen et al. (2005). Cluster/rapid energetic electron observations at the dayside magnetospheric boundary. (external link)
- I.A. Daglis; W.I. Axford; S. Livi et al. (1996). Auroral ionospheric ion feeding of the inner plasma sheet during substorms. (external link)
- Janet U. Kozyra; Michael W. Liemohn; Cynthia A. Cattell et al. (2014). Solar filament impact on 21 January 2005: Geospace consequences. (external link)
- F. Søraas; K. Aarsnes; D. V. Carlsen et al. (2005). Ring current behavior as revealed by energetic proton precipitation. (external link)
- Mark J. Engebretson; Timothy Kenneth Yeoman; Kjellmar Oksavik et al. (2013). Multi-instrument observations from Svalbard of a traveling convection vortex, electromagnetic ion cyclotron wave burst, and proton precipitation associated with a bow shock instability. (external link)
- Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy; Finn Søraas et al. (2017). Energetic electron precipitation in weak to moderate corotating interaction region-driven storms. (external link)
- N.C. Maynard; W.J. Burke; R.F. Pfaff et al. (2000). Dayside convection with northward IMF: Observations of a sounding rocket from Svalbard. (external link)
- Finn Søraas; Kjell Aarsnes; J. Aa. Lundblad et al. (1998). Enhanced pitch angle scattering of protons at mid-latitudes during geomagnetic storms. (external link)
- S.A. Synnes; Finn Søraas; Jan Petter Hansen (1998). Monte-Carlo simulations of proton aurora. (external link)
- Finn Søraas; Kjell Aarsnes (1996). Observations of ENA in and near a proton arc. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (2004). Evidence for particle injection as the cause of D-st reduction during HILDCAA events. (external link)
- Marit Irene J. Sandanger; Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy et al. (2015). In-flight calibration of NOAA POES proton detectors - Derivation of the MEPED correction factors. (external link)
- Roberto Bugiolacchi; Urs Mall; Megha Bhatt et al. (2011). An in-depth look at the lunar crater Copernicus: Exposed mineralogy by high-resolution near-infrared spectroscopy. (external link)
- Jerry Goldstein; David J. McComas; Philip Valek et al. (2013). Local-time-dependent low-altitude ion spectra deduced from TWINS ENA images. (external link)
- Finn Søraas; Kjell Aarsnes; Jan Åke Lundblad et al. (1999). Enhanced pitch angle scattering of protons at mid-latitudes during geomagnetic storms. (external link)
- M.I. Sandanger; F. Søraas; M. Sørbø et al. (2009). Relativistic electron losses related to EMIC waves during CIR and CME storms. (external link)
- Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy; Marit Irene J. Sandanger et al. (2016). Space Weather impact on the degradation of NOAA POES MEPED proton detectors. (external link)
- Nikolai Østgaard; Johan Stadsnes; Kjell Aarsnes et al. (1998). Simultaneous measurements of x-rays and electrons during a pulsating aurora. (external link)
- Nikolai Østgaard; Johan Stadsnes; Kjell Aarsnes et al. (1998). Simultaneous Measurements of X-rays and Electrons During a Pulsating Aurora. (external link)
- Finn Søraas; Kjellmar Oksavik; Kjell Aarsnes et al. (2003). Storm time equatorial belt - an "image" of RC behavior. (external link)
- M. I. Sandanger; F. Søraas; K. Aarsnes et al. (2005). Proton injections into the ring current associated with Bz variations during HILDCAA events. (external link)
- Kjellmar Oksavik; Finn Søraas; J. Moen et al. (2000). Optical and particle signatures of magnetospheric boundary layers near magnetic noon: Satellite and ground-based observations. (external link)
- Su Zhou; Xiaoli Luan; Finn Søraas et al. (2018). The detached auroras induced by the solar wind pressure enhancement in both hemispheres from imaging and in situ particle observations. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas et al. (2013). Variations in cutoff latitude during the January 2012 solar proton event and implication for the distribution of particle energy deposition. (external link)
- N.C. Maynard; W.J. Burke; R.F. Pfaff et al. (2000). Dayside convection with northward IMF: Observations of a sounding rocket from Svalbard. (external link)
- B Wilken; Finn Søraas (1997). RAPID: The imaging energetic particle spectrometer on cluster. (external link)
- Kjellmar Oksavik; Theodore A Fritz; Quigang Zong et al. (2002). Three-dimensional energetic ion sounding of the magnetopause using Cluster/RAPID. (external link)
- Finn Søraas; Kjell Aarsnes; J. Å. Lundblad et al. (1999). Enhanced pitch angle scattering of protons at mid-latitudes during geomagnetic storms. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (2002). Ring current intensity estimated from low-altitude proton observations. (external link)
- Finn Søraas; Kjell Aarsnes (1996). Observations of ENA in and near a proton arc. (external link)
- Kjellmar Oksavik; Finn Søraas; J. Moen et al. (2000). Optical and particle signatures of magnetospheric boundary layers near magnetic noon: Satellite and ground-based observations. (external link)
- Urs Mall; Kjell Brønstad; Kjetil Ullaland et al. (2009). Near Infrared Spectrometer SIR-2 on Chandrayaan-1. (external link)
- Marita Sørbø; Finn Søraas; Kjell Aarsnes et al. (2006). Latitude distribution of vertically precipitating energetic neutral atoms observed at low altitudes. (external link)
- Jøran Moen; Jan Arnstein Holtet; Arne Pedersen et al. (2001). Cluster boundary-layer measurements and optical observations at magnetically conjugate sites. (external link)
- Jerry Goldstein; Dmitry V. Bisikalo; Valery I. Shematovich et al. (2016). Analytical estimate for low-altitude ENA emissivity. (external link)
- F. Søraas; K. Aarsnes; Kjellmar Oksavik et al. (2004). Evidence for particle injection as the cause of Dst reduction during HILDCAA events. (external link)
- S. Håland; Finn Søraas; S. L. Ullaland (1999). Propagation velocities and dimensions of flux rope formation in the near-earth magnetotail. (external link)
- S. A. Synnes; Finn Søraas; Jan Petter Hansen (1998). Monte-Carlo simulations of proton aurora. (external link)
- Marit Irene J. Sandanger; Finn Søraas; Kjell Aarsnes et al. (2007). Loss of relativistic electrons: Evidence for pitch angle scattering by electromagnetic ion cyclotron waves excited by unstable ring current protons. (external link)
Conference lecture
- Rune Stadsnes; Stein Håland; Knut R. Svenes et al. (2002). Example of a near-Earth reconnection event observed by Cluster. (external link)
- Stein Egil Håland; Finn Søraas; P. Daly et al. (2011). Determination of polar cap size and shape using energetic particles. (external link)
- Johan Stadsnes; Finn Søraas (1994). Atomic Physics Applied in Cosmic Geophysics - Aurora and Magnetospheric Physics. (external link)
- Knut Svenes; Rune Stadsnes; Svein Haaland et al. (2003). Study of a near-Earth reconnection event based on Cluster measurements interpreted in a global context. (external link)
- Kalevi Mursula; Timo Asikainen; Raine Kerttula et al. (2003). Observations of energetic particles in the dayside magnetosphere by Cluster-ll. (external link)
- Finn Søraas (2003). Ring current dynamics and local time behaviour estimated from low-altitude proton observations. (external link)
- Finn Søraas; Johan Stadsnes; Kjell Aarsnes et al. (1995). A Study of Pulsating Aurora by Coordinated Rocket and Ground Based Observations. (external link)
- G. Håheim; Finn Søraas; Johan Stadsnes et al. (1996). PULSAUR II: Ground measurements compared with rocket data. (external link)
- K. Måseide; Finn Søraas; Kjell Aarsnes et al. (1995). PULSAUR II: A sounding rocket project to study pulsating aurora and related phenonena. (external link)
- Jøran Idar Moen; Jan Kenneth Bekkeng; T. A. Bekkeng et al. (2009). On the Investigation of cusp irregularities by sounding rockets. (external link)
- Johan Stadsnes; Nikolai Østgaard; Finn Søraas et al. (1997). Coordinated studies of auroral X-rays, optical emissions and precipitating electrons by rockets. (external link)
- Finn Søraas; Kjell Aarsnes; Jon Bjordal et al. (1995). PULSAUR II: Rocket and Groundbased Measurements in a Pulsating Aurora. (external link)
- Stein Håland; Nikolai Østgaard; Johan Stadsnes et al. (2000). Comparison of energy spectra in the ionosphere and in the central plasma sheet during a magnetospheric substorm. (external link)
- Marianne Daae; Patrick Joseph Espy; Finn Søraas et al. (2011). The effect of radiation belt particles on middle atmospheric night time ozone during enhanced geomagnetic activity. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas (2011). A cooling effect in the upper mesosphere associated with the 2003 Halloween storms. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (2000). Low altitude observations of precipitation electrons and protons. (external link)
- Knut R. Svenes; Rune Stadsnes; Stein Håland et al. (2003). Multiple X-lines observed by Cluster in the near-Earth tail. (external link)
- Johnny Grøneng Aase; Jøran Idar Moen; Jan Kenneth Bekkeng et al. (2003). ICI-1: A new sounding rocket concept to observe micro-scale physics in the cusp ionosphere. (external link)
- Marita Sørbø; Finn Søraas; Kjell Aarsnes (2005). Breiddefordelinga til Storm Time Equatorial Belt, observasjonar og teori. (external link)
- Hilde Nesse Tyssøy; Linn-Kristine Glesnes Ødegaard; Johan Stadsnes et al. (2018). Radiation Belt Loss due to Energetic Electron Precipitation in Geomagnetic Storm associated with Corotating Interaction Regions. (external link)
- Finn Søraas; Kjell Aarsnes; Jon Bjordal et al. (1996). PULSAUR II: Pulsating aurora rocket and groundbased observations. An overview. (external link)
- Finn Søraas; Kjell Aarsnes; Jon Bjordal et al. (1996). PULSAUR II: Pulsating aurora rocket and groundbased obervations. An overview. (external link)
- K. Mursula; R. Kerttula; R. Friedel et al. (2002). CLUSTER/Rapid energetic particle observations of the dayside magnetospheric boundary. (external link)
- Jøran Idar Moen; Jan Kenneth Bekkeng; T. A. Bekkeng et al. (2009). On the investigation of cusp irregularities by sounding rockets. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik (2001). Rocket and satellite observations of energetic particles at high latitudes. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; C.J. Mertens et al. (2011). A cooling effect in the upper mesosphere associated with the 2003 Halloween storms. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas et al. (2012). Energetic particle precipitation and ionization effects in the mesosphere during the solar energetic particle events 23 - 30 January 2012. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik (2001). Ring current intensity estimated from low altitude proton observations. (external link)
- Kjellmar Oksavik; Finn Søraas; Arve Aksnes et al. (2001). The Svalbard archipelago - a window to CLUSTER. (external link)
- F. Søraas; Kjellmar Oksavik; K. Aarsnes et al. (2003). Ring current dynamics and local time behaviour estimated from low-altitude proton observations. (external link)
- F. Søraas; Kjellmar Oksavik (2003). Ring current dynamics and local time behaviour estimated from low-altitude proton observations. (external link)
- Finn Søraas; Marit Irene J. Sandanger; Kjell Aarsnes (2007). Anisotropic proton precipitation and loss of relativistic electrons by the NOAA satellites related to EMIC waves. (external link)
- A. Pedersen; A. Balogh; A.L. Borg et al. (2004). Electric and magnetic field and particle observations on Cluster combined with ground-based observations during substorms. (external link)
- Finn Søraas (2007). The ring current as revealed by the STEB (Storm Time Equatorial Belt). (external link)
- Hilde Nesse Tyssøy; Linn-Kristine Glesnes Ødegaard; Johan Stadsnes et al. (2019). Electron pitch angle anisotropy in corotating interaction region-driven storms – implications for radiation belt loss and electron precipitation. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik (2000). Ring current estimated from low altitude observations. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik et al. (2000). Low altitude observations of precipitation electrons and protons. (external link)
- Fernando Guarnieri; Bruce Tsurutani; Walter Gonzalez et al. (2006). ICME and CIR storms with particular emphases on HILDCAA events. (external link)
- Kalevi Mursula; Timo Asikainen; Raine Kerttula et al. (2003). Observations of energetic particles in the dayside magnetosphere by Cluster-ll. (external link)
- Finn Søraas; Kjellmar Oksavik; Kjell Aarsnes et al. (2003). Ring current dynamics and local time behaviour estimated from low-altitude proton observations. (external link)
- Marita Sørbø; Finn Søraas (2007). The ring current behaviour during high speed stream events asrevealed by precipitating particles and the STEB. (external link)
- Johan Stadsnes; Hilde Nesse Tyssøy; Finn Søraas et al. (2013). Variation in cutoff latitudes during solar proton events and implication for the distribution of particle energy deposition in the upper atmosphere. (external link)
- Nikolai Østgaard; Johan Stadsnes; Kjell Aarsnes et al. (1996). PULSAUR II: X-ray measurements during a pulsating aurora. (external link)
- Finn Søraas; Marit Irene J. Sandanger; Marita Sørbø et al. (2006). Injection and Loss Processes of 30 to 300 keV Particles and Relativistic Electrons During CIR and Non-CIR Storms. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas (2013). Strong day-night asymmetry in cutoff latitude and implication for the distribution of particle energy deposition during solar proton events. (external link)
- Mark Engebretson; J. L. Posch; Marc R. Lessard et al. (2012). Multi-instrument Observations from Svalbard of a Traveling Convection Vortex, Electromagnetic Ion Cyclotron Wave Burst, and Proton Precipitation Associated with a Bow Shock Instability. (external link)
- Kjellmar Oksavik; Finn Søraas; J. Moen et al. (2000). Optical and particle signatures of magnetospheric boudary layers near magnetic noon: Satellite and ground-based observations. (external link)
- F. Søraas; Kjellmar Oksavik; K. Aarsnes et al. (2003). Ring current dynamics and local time behavior estimated from low-altitude proton observations. (external link)
- Johan Stadsnes; Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy et al. (2016). Trapped and Precipitating Energetic Electrons during Geomagnetic Storms Driven by Corotating Interaction Regions (CIRs). (external link)
- Kjellmar Oksavik; Finn Søraas; J. Moen et al. (2000). Optical and particle signatures of magnetospheric boudary layers near magnetic noon: Satellite and ground-based observations. (external link)
- Linn-Kristine Glesnes Ødegaard; Hilde Nesse Tyssøy; Johan Stadsnes et al. (2015). Relativistic electron precipitation during geomagnetic storm time in the years 2006-2010. (external link)
- Finn Søraas; Marita Sørbø; Karl Magnus Laundal (2011). Observations of energetic protons and auroral light during geomagnetic storms. (external link)
- Finn Søraas; Marita Sørbø (2011). Observations of energetic protons and neutral atoms (ENA) at low altitudes during geomagnetic storms. (external link)
- Finn Søraas; Kjellmar Oksavik; Kjell Aarsnes et al. (2003). Ring current dynamics and local time behavior estimated from low-altitude proton observations. (external link)
- Finn Søraas; Marit Irene J. Sandanger; Marita Sørbø et al. (2006). Injection and loss processes of 30 to 300 keV particles and relativistic electrons during CIR and non-CIR storms. (external link)
- Johan Stadsnes; Nikolai Østgaard; Finn Søraas et al. (1996). Electron Flux Modulations During Pulsating Aurora. (external link)
- Finn Søraas; Kjell Aarsnes; Jon Bjordal et al. (1996). PULSAUR II: Pulsating aurora rocket and groundbased obervations. An overview. (external link)
- M. Smith; Finn Søraas; Johan Stadsnes et al. (1995). Pulsating Aurora as Observed by the PULSAUR II Sounding Rocket: A Comparison of Particle, X-ray and Photometer Data. (external link)
- Marita Sørbø; Pontus Brandt; Finn Søraas (2006). Energetic Neutral Atom (ENA) measurements from IMAGE compared with low altitude measurements of Storm Time Equatorial Belt. (external link)
- Marianne Daae; Patrick Joseph Espy; M. S. N. Lisa et al. (2011). The effect of radiation belt particles on middle atmospheric nighttime ozone during enhanced geomagnetic activity. (external link)
- Johan Stadsnes; Hilde Nesse Tyssøy; Finn Søraas et al. (2009). Upper Mesospheric and Lower Thermospheric Temperature Effects Caused by Energetic Particle Precipitation During the 2003 Halloween Storm. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas (2013). Variations in cutoff latitude and implication for the distribution of particle deposition during solar proton events. (external link)
- Svein Håland; Nikolai Østgaard; J. Stadsnes et al. (2000). Comparison of Energy Spectra in the Ionosphere and in the Central Plasma Sheet During a Magnetospheric Sub-storm. (external link)
- Jøran Moen; Jan Arnstein Holtet; Arne Pedersen et al. (2001). Cluster boundary-layer measurements and optical observations at magnetic conjugate sites. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik (2001). A space-based DST-index estimated from low altitude proton observations. (external link)
- Kjellmar Oksavik; Finn Søraas; Jøran Moen et al. (2001). Optical and particle signatures of the low-latitude boundary layer near noon: Satellite and ground-based observations. (external link)
- Finn Søraas; Kjell Aarsnes; Kjellmar Oksavik (2000). Ring current estimated from low altitude observations. (external link)
- R. F. Pfaff; R. Maynard; Finn Søraas et al. (1998). DC and Wave Electric Fields and Other Plasma Parameters on Two Sounding Rockets in the Dark Cusp Region During IMF Bz North and South Conditions. (external link)
- I. A. Daglis; S. Levi; B. Wilken et al. (1994). Substorm investigation with the CRRES satellite. (external link)
- Finn Søraas (2007). On the relationship between precipitating protons and loss of relativistic electrons. The ring current behaviour as reveald by by the STEB. (external link)
- Finn Søraas; Karl Magnus Laundal (2011). Particle and optical observations of subauroral proton precipitation. (external link)
- Marita Sørbø; Finn Søraas (2007). Storm Time Equatorial Belt er dominert av oksygenioner frå ringstraumen. (external link)
- Finn Søraas; Kjell Aarsnes; Karl Maaseide et al. (2001). Low altitude optical, x-ray and ENA imaging of an auroral arc. (external link)
- Finn Søraas; Jon Stadsnes; Kjell Aarsnes et al. (1995). Pulsating Aurora as Observed by the PULSAUR II Sounding Rocket: An Overview. (external link)
- Johan Stadsnes; Finn Søraas (1994). Atomic Physics Applied in Cosmic Geophysics - Aurora and Magnetospheric Physics. (external link)
- Finn Søraas (2014). Ring current behavior revealed by low altitude observations of auroral and equatorial particle precipitation. (external link)
- Arne Pedersen; A. Balogh; Anette Lauen Borg et al. (2004). Electric and magnetic field and particle observations on Cluster combined with ground-based observations during substorms. (external link)
- F. Søraas; Kjellmar Oksavik; M. I. Sandanger et al. (2004). Relativistic electron losses in regions of anisotropic proton precipitation. (external link)
- Stein Håland; Nikolai Østgaard; Johan Stadsnes et al. (2000). Comparison of energy spectra in the ionosphere and in the central plasma sheet during a magnetospheric substorm. (external link)
- Finn Søraas (2003). Ring current dynamics and local time behavior estimated from low-altitude proton observations. (external link)
Popular science book
Master’s thesis
Academic literature review
- Kjellmar Oksavik; Finn Søraas; J. Moen et al. (2004). Simultaneous optical, CUTLASS HF radar, and FAST spacecraft observations: signatures of boundary layer processes in the cusp. (external link)
- Bruce T. Tsurutani; Walter D. Gonzalez; Alicia L.C. Gonzalez et al. (2006). Corotating solar wind streams and recurrent geomagnetic activity: A review. (external link)
Doctoral thesis (PhD)
- Marit Irene J. Sandanger; Finn Søraas (2009). Dynamics of the storm time ring current and relativistic electrons – Particle scattering by ion cyclotron waves inside the anisotropic proton zone. (external link)
- Marita Sørbø; Finn Søraas (2008). Energetic particles at low altitudes in the equatorial region - Temporal/spatial variations and implications for the source region. (external link)
Academic book chapter
- Finn Søraas (2000). Auroral protons, ENA and Doppler shifted hydrogen lines. (external link)
- Finn Søraas; Kjell Aarsnes; Dag Vartdal Carlsen et al. (2005). Ring current behavior as revealed by energetic proton precipitation. (external link)
- M. Lockwood; S. Fuselier; A. D. M. Walker et al. (1998). A summary of NATO ASI on polar cap boundary phenomena. (external link)
- Timo Asikainen; Kalevi Mursula; Raine Kerttula et al. (2005). Global view of energetic particles during a major magnetic storm. (external link)
- Marit Irene J. Sandanger; Kjellmar Oksavik; Finn Søraas et al. (2005). Proton Injections Into the Ring Current Associated With Bz Variations During HILDCAA Events. (external link)
- Finn Søraas; Marita Sørbø; Kjell Aarsnes et al. (2006). Ring current behavior inferred from ground magnetic and space observations. (external link)
Lecture
- Finn Søraas; Brage Førland; Jesper Gjerløv et al. (2013). The Asymmetric and symmetric ring current as revealed by precipitating protons/ENA and ground based magnetic observations. (external link)
- Hilde Nesse Tyssøy; Johan Stadsnes; Finn Søraas et al. (2015). Particle Detector - Bounce Loss Cone Fluxes. (external link)
- Finn Søraas (2001). Nordlyset: Fra mytologi til romforskning. (external link)
- Finn Søraas (1994). Raketter, satellitter og romforskning. (external link)
Academic monograph
- Finn Søraas; Kjell Aarsnes; Dag Vartdal Carlsen et al. (2005). Ring current behavior as revealed by energetic proton precipitation. (external link)
- M Lockwood; S. Fuselier; A. D. M. Walker et al. (1998). A summary of NATO ASI on polar cap boundary phenomena. (external link)
- Marit Irene J. Sandanger; Finn Søraas; Kjell Aarsnes et al. (2005). Proton Injections Into the Ring Current Associated With Bz Variations During HILDCAA Events. (external link)
- Timo Asikainen; Kalevi Mursula; Raine Kerttula et al. (2005). Global view of energetic particles during a major magnetic storm. (external link)