Johan Stadsnes

Emeritus

Department of Physics and Technology

E-mailjohan.stadsnes@uib.no
Visitor Address
Allégaten 55

5007 Bergen
Postal Address
Postboks 7803

5020 Bergen

Publications

Academic article

Show author(s) (2019). Intercomparison of the POES/MEPED Loss Cone Electron Fluxes With the CMIP6 Parametrization. Journal of Geophysical Research (JGR): Space Physics. 628-642.

Show author(s) (2017). Energetic electron precipitation in weak to moderate corotating interaction region-driven storms. Journal of Geophysical Research (JGR): Biogeosciences. 2900-2921.

Show author(s) (2016). The impact of energetic electron precipitation on mesospheric hydroxyl during a year of solar minimum. Journal of Geophysical Research (JGR): Space Physics. 5914-5929.
Show author(s) (2016). Space Weather impact on the degradation of NOAA POES MEPED proton detectors. Journal of Space Weather and Space Climate. 15 pages.
Show author(s) (2016). Energetic Electron Precipitation into the Middle Atmosphere – Constructing the Loss Cone Fluxes from MEPED POES. Journal of Geophysical Research (JGR): Space Physics.

Show author(s) (2015). In-flight calibration of NOAA POES proton detectors - Derivation of the MEPED correction factors. Journal of Geophysical Research (JGR): Space Physics. 9578-9593.
Show author(s) (2015). Cutoff latitude variation during solar proton events: Causes and consequences. Journal of Geophysical Research (JGR): Space Physics. 553-563.

Show author(s) (2013). Variations in cutoff latitude during the January 2012 solar proton event and implication for the distribution of particle energy deposition. Geophysical Research Letters. 4149-4153.

Show author(s) (2012). Low-energy CZT detector array for the ASIM mission. IEEE Instrumentation and Measurement Technology Conference. Proceedings. 2119-2123.
Show author(s) (2012). BGO front-end electronics and signal processing in the MXGS instrument for the ASIM mission. IEEE Instrumentation and Measurement Technology Conference. Proceedings. 2124-2127.

Show author(s) (2010). Effects of dead time losses on terrestrial gamma ray flash measurements with the Burst and Transient Source Experiment. Journal of Geophysical Research (JGR): Space Physics. 10 pages.

Show author(s) (2008). Upper-mesospheric temperatures measured during intense substorms in the declining phase of the January 2005 solar proton events. Annales Geophysicae. 2515-2529.
Show author(s) (2008). Production altitude and time delays of the terrestrial gamma flashes: Revisiting the Burst and Transient Source Experiment spectra. Journal of Geophysical Research (JGR). 14 pages.
Show author(s) (2008). A case study of a sporadic sodium layer observed by the ALOMAR Weber Na lidar. Annales Geophysicae. 1071-1081.

Show author(s) (2007). Thermospheric nitric oxide at higher latitudes: Model calculations with auroral energy input. Journal of Geophysical Research (JGR). 11 pages.
Show author(s) (2007). Simultaneous observations of magnetotail reconnection and bright X-ray aurora on 2 October 2002. Journal of Geophysical Research (JGR).

Show author(s) (2006). 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).
Show author(s) (2006). Comparisons of electron energy deposition derived from observations of lower thermospheric nitric oxide and from X-ray bremsstrahlung measurements. Journal of Geophysical Research (JGR).

Show author(s) (2005). Statistical pitch angle properties of substorm-injected electron clouds and their relation to dawnside energetic electron precipitation. Journal of Geophysical Research (JGR).
Show author(s) (2005). Mesoscale ionospheric electrodynamics of omega bands determined from ground-based electromagnetic and satellite optical observation. Annales Geophysicae. 325-342.
Show author(s) (2005). Medium energy pitch anglke distribution during substorm injected electron cloud. Geophysical Research Letters.
Show author(s) (2005). Ionospheric conductances derived from satellite measurements of auroral UV and X-ray emissions, and ground-based electromagnetic data: A comparison. Annales Geophysicae. 343-358.

Show author(s) (2004). Pi2-pulsations observed in energetic electron precipitation and magnetic field in association with a substorm surge. Annales Geophysicae. 2097-2105.
Show author(s) (2004). Energetic electron precipitation and the NO abundance in the upper atmosphere: A direct comparison during a geomagnetic storm. Journal of Geophysical Research (JGR). 9 pages.
Show author(s) (2004). Effects of energetic electrons on the electrodynamics in the ionosphere. Annales Geophysicae. 475-496.

Show author(s) (2003). High-latitude dayside energetic precipitation and IMF Bz rotations. Journal of Geophysical Research (JGR). 14-1-14-10.

Show author(s) (2002). Instantaneous ionospheric global conductance maps during an isolated substorm. Annales Geophysicae. 1181-1191.
Show author(s) (2002). Energy analysis of substorms based on remote sensing techniques, solar wind measurements and geomagnetic indices. Journal of Geophysical Research (JGR).

Show author(s) (2001). Westward traveling surge dynamics and the local structure of an isolated substorm. Advances in Space Research. 1623-1629.
Show author(s) (2001). Auroral electron distributions derived from combined UV and X ray emissions. Journal of Geophysical Research (JGR). 26081-26090.

Show author(s) (2000). Structure of polar aurora over Kola Peninsula and of X-Ray oval measured by PIXIE/POLAR on February 9, 1997. Geomagnetism and Aeronomy.
Show author(s) (2000). Structure of polar aurora over Kola Peninsula and of X-Ray oval measured by PIXIE/POLAR on February 9, 1997. Geomagnetism and Aeronomy. xx.
Show author(s) (2000). Investigation of the Conjugacy Between Auroral Breakup and Energetic Electron Injection. Journal of Geophysical Research (JGR). 18495-18504.
Show author(s) (2000). Investigation of the Conjugacy Between Auroral Breakup and Energetic Electron Injection. Journal of Geophysical Research (JGR). 18495-18504.
Show author(s) (2000). Global X-ray emission during an isolated substorm - a case study. Journal of Atmospheric and Solar-Terrestrial Physics. 889-900.
Show author(s) (2000). Global X-ray emission during an isolated substorm - a case study. Journal of Atmospheric and Solar-Terrestrial Physics. 889-900.
Show author(s) (2000). Global Multispectral Auroral Imaging of an Isolated Substorm. Geophysical Research Letters. 637-640.
Show author(s) (2000). Global Multispectral Auroral Imaging of an Isolated Substorm. Geophysical Research Letters. 637-640.
Show author(s) (2000). Dayside convection with northward IMF: Observations of a sounding rocket from Svalbard. Journal of Geophysical Research (JGR). 5245-5263.
Show author(s) (2000). Dayside convection with northward IMF: Observations of a sounding rocket from Svalbard. Journal of Geophysical Research (JGR). 5245-5263.
Show author(s) (2000). Cause of the localized maximum of X-ray emission in the morning sector: A comparison with electron measurments. Journal of Geophysical Research (JGR). 20869-20884.
Show author(s) (2000). Cause of the localized maximum of X-ray emission in the morning sector: A comparison with electron measurements. Journal of Geophysical Research (JGR). 20869-20884.

Show author(s) (1999). Magnetospheric and ionospheric response to a substorm: Geotail HEP-LD and Polar PIXIE observations. Journal of Geophysical Research (JGR). 28459-28474.
Show author(s) (1999). Global Scale Electron Precipitation During Substorms. Journal of Geophysical Research (JGR). 10191-10204.

Show author(s) (1998). Simultaneous measurements of x-rays and electrons during a pulsating aurora. Annales Geophysicae. 148-160.
Show author(s) (1998). Simultaneous Measurements of X-rays and Electrons During a Pulsating Aurora. Annales Geophysicae. 148-160.
Show author(s) (1998). POLAR/PIXIE: Global Scale mapping of Energetic Electron Precipitation. Space Research in Norway 1996-1998.

Show author(s) (1996). A PSPMT based auroral X-ray imager. Nuclear Instruments and Methods. 492-497.

Academic lecture

Show author(s) (2019). Electron pitch angle anisotropy in corotating interaction region-driven storms – implications for radiation belt loss and electron precipitation.

Show author(s) (2018). Radiation Belt Loss due to Energetic Electron Precipitation in Geomagnetic Storm associated with Corotating Interaction Regions.
Show author(s) (2018). Inter-comparison of the POES/MEPED Loss Cone Electron fluxes with the CMIP6 Parametrization.

Show author(s) (2017). Inter-comparison between the CMIP-6 MEE forcing and the loss cone electron fluxes estimated from MEPED/POES.
Show author(s) (2017). Energetic Particle Precipitation impact on mesospheric OH –variability of the sources and the background atmosphere.

Show author(s) (2016). Trapped and Precipitating Energetic Electrons during Geomagnetic Storms Driven by Corotating Interaction Regions (CIRs).
Show author(s) (2016). Energetic Electron Precipitation into the Middle Atmosphere – Constructing the Loss Cone Fluxes from MEPED POES.

Show author(s) (2015). The impact of energetic electron precipitation on mesospheric OH during weak to moderate recurrent storms in 2008.

Show author(s) (2014). Estimating the energy deposition in the mesosphere from anisotropic electron fluxes during REP events.

Show author(s) (2013). Variations in cutoff latitude and implication for the distribution of particle deposition during solar proton events.
Show author(s) (2013). Variation in cutoff latitudes during solar proton events and implication for the distribution of particle energy deposition in the upper atmosphere.
Show author(s) (2013). Strong day-night asymmetry in cutoff latitude and implication for the distribution of particle energy deposition during solar proton events.
Show author(s) (2013). Particle energy deposition during solar proton events.

Show author(s) (2012). Low-energy CZT detector array for the ASIM mission.
Show author(s) (2012). Energetic particle precipitation and ionization effects in the mesosphere during the solar energetic particle events 23 - 30 January 2012.
Show author(s) (2012). BGO front-end electronics and signal processing in the MXGS instrument for the ASIM mission.

Show author(s) (2011). The effect of radiation belt particles on middle atmospheric nighttime ozone during enhanced geomagnetic activity.
Show author(s) (2011). Auroral asymmetries in the conjugate hemispheres.
Show author(s) (2011). A cooling effect in the upper mesosphere associated with the 2003 Halloween storms.
Show author(s) (2011). A cooling effect in the upper mesosphere associated with the 2003 Halloween storms.

Show author(s) (2009). Upper Mesospheric and Lower Thermospheric Temperature Effects Caused by Energetic Particle Precipitation During the 2003 Halloween Storm.
Show author(s) (2009). Statistical Evaluation of Upper Mesospheric and Lower Thermospheric Temperature Effects Caused by Energetic Particle Precipitation.
Show author(s) (2009). Production altitude, initial distributions and time delays for TGFs when instrumental deadtime effects are treated properly.
Show author(s) (2009). Analysis of a subset of BATSE TGFs that do not suffer from instrumental limitations.
Show author(s) (2009). Analysis of BATSE TGFs taking instrumental limitations into account.
Show author(s) (2009). An X- and gamma-ray detector for observing terrestrial gamma flashes from the International Space Station.

Show author(s) (2008). The production altitude and time delays of the terrestrial gamma flashes - revisiting the BATSE spectra.
Show author(s) (2008). The production altitude and time delays of the terrestrial gamma flashes - revisiting the BATSE spectra.
Show author(s) (2008). The production altitude and time delays of the terrestrial gamma flashes - revisiting the BATSE spectra.
Show author(s) (2008). Observations of energetic particle precipitation and effects on the mesosphere and lower thermosphere.
Show author(s) (2008). Monte Carlo simulation of the temporal behavior of Terrestrial Gamma ray Flashes and analysis of the BATSE measurements.
Show author(s) (2008). Monte Carlo simulation of the temporal behavior of Terrestrial Gamma ray Flashes.
Show author(s) (2008). Mesospheric and Lower Thermospheric Temperature Effects Caused by Energetic Particle Precipitation.
Show author(s) (2008). Analysis of a subset of BATSE TGFs that do not suffer from instrumental limitations.

Show author(s) (2007). Monte Carlo simulation of the temporal behavior of Terrestrial Gamma ray Flashes.

Show author(s) (2006). X-ray spectra measured by MXGS can reveal the production altitude of TGFs.
Show author(s) (2006). Upper mesospheric temperature effects caused by energetic particle precipitation.
Show author(s) (2006). TGF production altitude - revisiting the BATSE spectra in view of upcoming missions.
Show author(s) (2006). Satellite remote mapping of the precipitation of energetic electrons and their effects on the Earth's upper atmosphere.
Show author(s) (2006). Global observations of the dynamics of energetic electron precipitation during substorms.
Show author(s) (2006). Auroral X-ray imaging on the KuaFu B Spaccrafts - An option.
Show author(s) (2006). A simple X-ray camera for rocket based imaging of energetic auroral electron precipitation.
Show author(s) (2006). A case study of a sudden sodium layer observed by the ALOMAR Weber Sodium Lidar.

Show author(s) (2005). Production altitude effects on the X-ray spectrum from TGFs.
Show author(s) (2005). Production altitude effects on the X-ray spectrum from TGFs.
Show author(s) (2005). Kjemiske effekter av elektronnedbør i den lavere termosfæren.
Show author(s) (2005). Ionospheric global conductance maps from remote sensing of UV and X-ray emissions.
Show author(s) (2005). Height profiles of the ionospheric electron density derived from remote sensing of UV- and X-ray emissions and measured by EISCAT radar.
Show author(s) (2005). 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.
Show author(s) (2005). Effects on the O/N2-ratio caused by ionospheric heating during geomagnetic storms.
Show author(s) (2005). Chemical effects of electron precipitation: Nitric Oxide in the lower thermosphere.
Show author(s) (2005). A double spacecraft imaging mission to study reconnection and ion outflow.

Show author(s) (2004). The impact of energetic electron precipitation on nitric oxide in the upper atmosphere - Including neutral wind effects.
Show author(s) (2004). Observations and analysis of ionospheric electrodynamics during a substorm recovery phase using the MIRACLE network.
Show author(s) (2004). Effects on the O/N2-ratio caused by energetic electron precipitation during storms.

Show author(s) (2003). Upper atmosphere temperature effects of energetic electron precipitation during substorms.
Show author(s) (2003). Space based imaging of auroral X-rays.
Show author(s) (2003). Mapping of Energetic Electron Precipitation by Imaging of Auroral X-rays.
Show author(s) (2003). Investigation on the cause of the dawnside local maximum in the energetic electron precipitation following substorms.
Show author(s) (2003). Examples of the present use of the STARE radar to study mesoscale ionospheric electrodynamics.
Show author(s) (2003). Effects of energetic electrons on the electrodynamics in the ionosphere.
Show author(s) (2003). Comparison Study UVI/PIXIE measurements vs EISCAT radar data.
Show author(s) (2003). Atmosfæriske effektar av energetisk elektronnedbør under ein substorm.

Show author(s) (2002). Instantaneous Ionospheric Global Conductance Maps During Substorms.
Show author(s) (2002). Global Ionospheric Conductance Maps.
Show author(s) (2002). Energetic electron precipitation over Antarctica.
Show author(s) (2002). Dynamics and spatial features of the energetic electron precipitation during substorms.
Show author(s) (2002). Dynamics and spatial features of the energetic electron precipitation during substorms.

Show author(s) (2001). The energy transport during substorms based on solar wind measurements, derived from auroral electron distributions and magnetic indices.
Show author(s) (2001). The energy transport during substorms based on solar wind measurements, derived auroral electron distributions and magnetic indices.
Show author(s) (2001). Space based imaging of auroral X-rays.
Show author(s) (2001). Principal component analysis of X-ray images.
Show author(s) (2001). Low altitude optical, x-ray and ENA imaging of an auroral arc.
Show author(s) (2001). Imaging of auroral X-rays by PIXIE on the POLAR satellite.
Show author(s) (2001). High-latitude dayside X-ray emissions observed in the southern auroral region.
Show author(s) (2001). Global maps of Pedersen and Hall conductivities through a substorm.
Show author(s) (2001). Global energy deposition by particle precipitation during substorms based on remote sensing techniques.
Show author(s) (2001). Global Maps of Electrodynamical Parameters During Substorms.
Show author(s) (2001). Energy analysis of substorms based on remote sensing techniques, solar wind measurements and magnetic indices.
Show author(s) (2001). Energy analysis of substorms based on remote sensing techniques and solar wind measurements.

Show author(s) (2000). Westward Traveling Surge Dynamics and the Local Structure of an Isolated Substorm.
Show author(s) (2000). Westward Traveling Surge Dynamics and the Local Structure of an Isolated Substorm.
Show author(s) (2000). Temporal and Spatial Features of the Energetic Electron Precipitation During Substroms.
Show author(s) (2000). Temporal and Spatial Features of the Energetic Electron Precipitation During Substroms.
Show author(s) (2000). Temporal and Spatial Features of the Energetic Electron Precipitation During Substorms.
Show author(s) (2000). Temporal and Spatial Features of the Energetic Electron Precipitation During Substorms.
Show author(s) (2000). Temporal and Spatial Features of the Energetic Electron Precipitation During Substorms.
Show author(s) (2000). Temporal and Spatial Features of the Energetic Electron Precipitation During Substorms.
Show author(s) (2000). Space-based auroral studies of the polar ionosphere.
Show author(s) (2000). Space-based auroral studies of the polar ionosphere.
Show author(s) (2000). Global energy input derived from UVI and PIXIE.
Show author(s) (2000). Global energy input derived from UVI and PIXIE.
Show author(s) (2000). Global energy input derived from UVI and PIXIE.
Show author(s) (2000). Global energy input derived from UVI and PIXIE.
Show author(s) (2000). Global Conductivity Maps Derived From Polar PIXIE Observations.
Show author(s) (2000). Global Conductivity Maps Derived From Polar PIXIE Observations.
Show author(s) (2000). Energy Analysis of an Isolated Substorm Based on Remote Sensing Techniques.
Show author(s) (2000). Energy Analysis of an Isolated Substorm Based on Remote Sensing Techniques.
Show author(s) (2000). Energetic Particle Signatures of Reconnection and Plasmoid Formation in the Magnetotail.
Show author(s) (2000). Energetic Particle Signatures of Reconnection and Plasmoid Formation in the Magnetotail.
Show author(s) (2000). Comparison of energy spectra in the ionosphere and in the central plasma sheet during a magnetospheric substorm.
Show author(s) (2000). Comparison of energy spectra in the ionosphere and in the central plasma sheet during a magnetospheric substorm.
Show author(s) (2000). Auroral Dynamics Local Structure of the Isolated Substorm.
Show author(s) (2000). Auroral Dynamics Local Structure of the Isolated Substorm.

Show author(s) (1999). Global Multispectral Imaging of an Isolated Substorm.
Show author(s) (1999). Global Multispectral Imaging of an Isolated Substorm.
Show author(s) (1999). Energetic Electron Precipitation Patterns During Substorm Onset and Expansion.
Show author(s) (1999). Comparison of Auroral Dynamics over the Kola Peninsula With the Global Auroral UV and X-ray Oval Measured by POLAR/PIXIE, on February 9, 1997.

Show author(s) (1998). Temporal Characteristics of Energetic Electron Precipitation during Substorm Onset and Expansion Phase.
Show author(s) (1998). Radiation Belt Proton Contribution to Substorm Structure and Dynamics.
Show author(s) (1998). Multispectral Auroral Imaging on November 23, 1997.
Show author(s) (1998). Magnetospheric and Ionospheric Response to a Substorm: GEOTAIL HEP-LD and POLAR PIXIE Observations.
Show author(s) (1998). Investigation of the Conjugacy Between Auroral Breakup and Energetic Electron Injection Increase Measured by CRRES on February 13, 1991.
Show author(s) (1998). Inner Magnetosphere Substorm Fine Structure and Energetic Particle Dynamics.
Show author(s) (1998). Global Scale Electron Precipitation During Substorms.
Show author(s) (1998). Global Scale Electron Precipitation During Substorm Expansions.
Show author(s) (1998). Fast Changes of Energetic Particle Intensities Near the Boundary Between the Magnetotail and the Trapped Region During Substorm Activations.
Show author(s) (1998). Distributions of Energetic Electron Precipitation Coordinated with Other Measures of Geomagnetic Storm Activity.
Show author(s) (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.

Show author(s) (1997). X-ray and Optical Imaging from the POLAR Satellite.
Show author(s) (1997). X-ray Imaging of the Aurora.
Show author(s) (1997). Optical Observations and Instruments.
Show author(s) (1997). Global Scale Electron Precipitation Features During Substorms.
Show author(s) (1997). Global Scale Auroral Electron Precipitation Features During Substorms.
Show author(s) (1997). Distributions of High Energy Electron Precipitation During the MSX/FAST Conjunction of 9 February 1997.
Show author(s) (1997). Distributions of Energetic Auroral Electron Precipitation Inferred from Global Auroral X-ray Imaging.
Show author(s) (1997). Distributions of Auroral Electron Precipitation Inferred from Global Auroral X-ray Imaging.
Show author(s) (1997). Coordinated studies of auroral X-rays, optical emissions and precipitating electrons by rockets.
Show author(s) (1997). Boundaries and Dynamics of the Energetic Electron Precipitation as Seen From POLAR Images.

Show author(s) (1996). The PIXIE X-ray Camera on the POLAR Satellite - Preliminary results.
Show author(s) (1996). PULSAUR II: X-ray measurements during a pulsating aurora.
Show author(s) (1996). PULSAUR II: Pulsating aurora rocket and groundbased observations. An overview.
Show author(s) (1996). PULSAUR II: Pulsating aurora rocket and groundbased obervations. An overview.
Show author(s) (1996). PULSAUR II: Pulsating aurora rocket and groundbased obervations. An overview.
Show author(s) (1996). PULSAUR II: Ground measurements compared with rocket data.
Show author(s) (1996). Global Imaging of the Aurora in X-rays: First results from the Polar Ionospheric X-ray Imaging Experiment abord the POLAR Satellite.
Show author(s) (1996). Global Imaging of the Aurora in X-rays: First results from PIXIE aboard the NASA Polar Satellite.
Show author(s) (1996). Global Imaging of the Aurora in X-rays: First Results from the Polar Ionospheric X-ray Imaging Experiment aboard the POLAR Satellite.
Show author(s) (1996). Electron Flux Modulations During Pulsating Aurora.
Show author(s) (1996). Coordinated South Pole Station/POLAR Observations During the GGS Event Study of May 27, 1996.
Show author(s) (1996). A Review of Auroral X-ray Observations.

Show author(s) (1995). Pulsating Aurora as Observed by the PULSAUR II Sounding Rocket: A Comparison of Particle, X-ray and Photometer Data.
Show author(s) (1995). PULSAUR II: Rocket and Groundbased Measurements in a Pulsating Aurora.
Show author(s) (1995). PULSAUR II: A sounding rocket project to study pulsating aurora and related phenonena.
Show author(s) (1995). A Study of Pulsating Aurora by Coordinated Rocket and Ground Based Observations.

Show author(s) (1994). Multi-Spectral High Resolution Imaging with AURIO.
Show author(s) (1994). Multi-Spectral High Resolution Auroral Imaging With AURIO.
Show author(s) (1994). Atomic Physics Applied in Cosmic Geophysics - Aurora and Magnetospheric Physics.
Show author(s) (1994). Atomic Physics Applied in Cosmic Geophysics - Aurora and Magnetospheric Physics.
Show author(s) (1994). A Broad-Band Auroral X-Ray Imager.

Show author(s) (1992). A new Detector Concept for Energetic Auroral X-Ray Imaging.

Academic literature review

Show author(s) (2019). The modular X- and gamma-ray sensor (MXGS) of the ASIM Payload on the International Space Station. Space Science Reviews. 1-28.

More information in national current research information system (CRIStin)