Hjem
Karl M. Laundals bilde

Karl M. Laundal

Forsker
  • E-postKarl.Laundal@uib.no
  • Telefon+47 55 58 27 06+47 913 50 772
  • Besøksadresse
    Allegt. 55
  • Postadresse
    Postboks 7803
    5020 BERGEN

Laundal, K. M. & Østgaard, N. Persistent global proton aurora caused by high solar wind dynamic pressure. J. Geophys. Res. 113. doi:10.1029/2008JA013147 (2008).

Laundal, K. M. & Østgaard, N. Asymmetric auroral intensities in the Earth’s Northern and Southern hemispheres. Nature 460, 491–493 (2009).

Laundal, K. M., Østgaard, N., Snekvik, K. & Frey, H. U. Inter-hemispheric observations of emerging polar cap asymmetries. J. Geophys. Res. doi:10.1029/2009JA015160 (2010).

Laundal, K. M., Østgaard, N., Frey, H. U. & Weygand, J. M. Seasonal and interplanetary magnetic field-dependent polar cap contraction during substorm expansion phase. J. Geophys. Res. doi:10.1029/ 2010JA015910 (2010).

Laundal, K. M. & Gjerloev, J. W. What is the appropriate coordinate system for magnetometer data when analyzing ionospheric currents? J. Geophys. Res. doi:10.1002/2014JA020484 (2014).

Laundal, K. M., Haaland, S. E., Lehtinen, N., Gjerloev, J. W., Ostgaard, N., Tenfjord, P., Reistad, J. P., Snekvik, K., Milan, S. E., Ohtani, S. & Anderson, B. J. Birkeland current effects on high-latitude ground magnetic field perturbations. Geophys. Res. Lett. doi:10.1002/2015GL065776 (2015).

Laundal, K. M., Gjerloev, J. W., Østgaard, N., Reistad, J. P., Haaland, S., Snekvik, K., Tenfjord, P., Ohtani, S. & Milan, S. E. The impact of sunlight on high-latitude equivalent currents. J. Geophys. Res. 2015JA022236. issn: 2169-9402. doi:10.1002/2015JA022236 (2016).

Laundal, K. M., Cnossen, I., Milan, S. E., Haaland, S. E., Coxon, J., Pedatella, N. M., Förster, M. & Reistad, J. P. North-South asymmetries in Earth’s magnetic field – Effects on high-latitude geospace. Space Sci. Rev. doi:10.1007/s11214-016-0273-0 (2017).

Laundal, K. M. & Richmond, A. D. Magnetic coordinate systems. Space Sci. Rev. doi:10.1007/s11214- 016-0275-y (2017).

Laundal, K. M., Finlay, C. C. & Olsen, N. Sunlight effects on the 3D polar current system determined from low Earth orbit measurements. Earth Planets Space. doi:10.1186/s40623-016-0518-x (2016).

Laundal, K. M., Reistad, J. P., Finlay, C. C., Østgaard, N., Tenfjord, P. & Snekvik, K. Interplanetary magnetic field Bx component influence on horizontal and field-aligned currents in the ionosphere. J. Geophys. Res. doi:10.1002/2017JA024864 (2018).

Laundal, K. M., Finlay, C. C., Olsen, N. & Reistad, J. P. Solar wind and seasonal influence on ionospheric currents from Swarm and CHAMP measurements. J. Geophys. Res. doi:10.1029/2018JA025387 (2018).

Reistad, J. P., Østgaard, N., Tenfjord, P., Laundal, K. M., Snekvik, K., Haaland, S., Milan, S., Oksavik, K., Frey, H. & Grocott, A. Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines. J. Geophys. Res. doi:10.1002/2015JA022058 (2016).
  
Østgaard, N., Humberset, B. K. & Laundal, K. M. Evolution of auroral asymmetries in the conjugate hemispheres during two substorms. Geophys. Res. Lett. doi:10.1029/2010GL046057 (2011).

Østgaard, N., Laundal, K. M., Juusola, L., Aasnes, A., Haaland, S. E. & Weygand, J. Interhemispherical asymmetry of substorm onset locations and the interplanetary magnetic field. Geophys. Res. Lett. doi:doi:10.1029/2011GL046767 (2011).

Østgaard, N. & Laundal, K. M. Auroral Asymmetries in the Conjugate Hemispheres and Interhemi- spheric Currents in Auroral Phenomenology and Magnetospheric Processes: Earth And Other Planets (American Geophysical Union, 2013), 99–112. isbn: 9781118670286. doi:10.1029/2011GM001190.

Snekvik, K., Tanskanen, E., Østgaard, N., Juusola, L., Laundal, K. M., Gordeev, E. I. & Borg, A. L. Changes in the magnetotail configuration before near-Earth reconnection. J. Geophys. Res. 117 (2012).

Grujic, K. G., Hegna, T. & Laundal, K. M. In Situ Monitoring of Growth Interfaces: A Review of Noninvasive Methods. JOM 64, 96–101. issn: 1047-4838 (2012).

Søraas, F., Laundal, K. M. & Usanova, M. Coincident particle and optical observations of nightside subauroral proton precipitation. J. Geophys. Res. 118, 1112–1122 (2013).

Reistad, J. P., Østgaard, N., Laundal, K. M. & Oksavik, K. On the non-conjugacy of nightside aurora and their generator mechanisms. J. Geophys. Res. doi:10.1002/jgra.50300 (2013).

Reistad, J. P., Østgaard, N., Laundal, K. M., Haaland, S., Tenfjord, P., Snekvik, K., Oksavik, K. & Milan, S. E. Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx. J. Geophys. Res. doi:10.1002/2014JA020216 (2014).

Tenfjord, P., Østgaard, N., Snekvik, K., Laundal, K. M., Reistad, J. P., Haaland, S. E. & Milan, S. E. How the IMF By induces a By component in the closed magnetosphere and how it leads to asymmetric currents and convection patterns in the two hemispheres. J. Geophys. Res. (2015).

Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., Snekvik, K., Milan, S. E. & Haaland, S. E. Mechanisms that Produce Auroral Asymmetries in Conjugate Hemispheres in Auroral Dynamics and Space Weather (John Wiley & Sons, Inc, 2015), 131–143. isbn: 9781118978719. doi:10.1002/ 9781118978719.ch10.

Tenfjord, P., Østgaard, N., Strangeway, R. J., Haaland, S., Snekvik, K., Laundal, K. M., Reistad, J. P. & Milan, S. E. Magnetospheric response and reconfiguration times following IMF By reversal. J. Geophys. Res. doi:10.1002/2016JA023018 (2017).

Haaland, S., Lybekk, B., Maes, L., Laundal, K. M., Pedersen, A., Tenfjord, P., Ohma, A., Østgaard, N., Reistad, J. P. & Snekvik, K. North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observations. J. Geophys. Res. doi:10.1002/2016JA023404 (2017).

Snekvik, K., Østgaard, N., Tenfjord, P., Reistad, J. P., Laundal, K. M., Milan, S. E. & Haaland, S. E. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection. J. Geophys. Res. doi:10.1002/2016JA023177 (2017).

Milan, S. E., Clausen, L. B. N., Coxon, J. C., Carter, J. A., Walach, M.-T., Laundal, K., Østgaard, N., Tenfjord, P., Reistad, J., Snekvik, K., Korth, H. & Anderson, B. J. Overview of Solar Wind– Magnetosphere–Ionosphere–Atmosphere Coupling and the Generation of Magnetospheric Currents. Space Sci Rev. doi:10.1007/s11214-017-0333-0 (2017).

Friis-Christensen, E., Finlay, C. C., Hesse, M. & Laundal, K. M. Magnetic Field Perturbations from Currents in the Dark Polar Regions During Quiet Geomagnetic Conditions. Space Sci Rev. doi:10. 1007/s11214-017-0332-1 (2017).

Tenfjord, P., Østgaard, N., Haaland, S., Snekvik, K., Laundal, K. M., Reistad, J. P., Strangeway, R. J., Milan, S. E., Hesse, M. & Ohma, A. How the IMF By induces a local By component during northward IMF Bz and characteristic timescales. J. Geophys. Res. 123. doi:10.1002/2018JA025186 (2018).

Vitenskapelig artikkel
  • Vis forfatter(e) 2020. The Relationship Between Cusp Region Ion Outflows and East‐West Magnetic Field Fluctuations at 4,000‐km Altitude. Journal of Geophysical Research (JGR): Space Physics.
  • Vis forfatter(e) 2020. Seasonal and Hemispheric Asymmetries of F Region Polar Cap Plasma Density: Swarm and CHAMP Observations. Journal of Geophysical Research (JGR): Space Physics. 13 sider.
  • Vis forfatter(e) 2020. An Explicit IMF B 𝑦 Dependence on Solar Wind-Magnetosphere Coupling. Geophysical Research Letters. 8 sider.
  • Vis forfatter(e) 2019. Separation and quantification of ionospheric convection sources: 2. The dipole tilt angle influence on reverse convection cells during northward IMF. Journal of Geophysical Research (JGR): Space Physics. 6182-6194.
  • Vis forfatter(e) 2019. Separation and quantification of ionospheric convection sources: 1. A new technique. Journal of Geophysical Research (JGR): Space Physics. 6343-6357.
  • Vis forfatter(e) 2019. Observations of asymmetric lobe convection for weak and strong tail activity. Journal of Geophysical Research (JGR): Space Physics. 9999-10017.
  • Vis forfatter(e) 2019. Magnetic Effects of Plasma Pressure Gradients in the Upper F Region. Geophysical Research Letters. 2355-2363.
  • Vis forfatter(e) 2019. IMF By Influence on Magnetospheric Convection in Earth's Magnetotail Plasma Sheet . Geophysical Research Letters. 11698-11708.
  • Vis forfatter(e) 2018. Timescales of dayside and nightside field-aligned current response to changes in solar wind-magnetosphere coupling. Journal of Geophysical Research (JGR): Space Physics. 7307-7319.
  • Vis forfatter(e) 2018. The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001. Annales Geophysicae. 1577-1596.
  • Vis forfatter(e) 2018. Solar Wind and Seasonal Influence on Ionospheric Currents From Swarm and CHAMP Measurements. Journal of Geophysical Research (JGR): Space Physics. 4402-4429.
  • Vis forfatter(e) 2018. Snakes on a spaceship—An overview of Python in heliophysics. Journal of Geophysical Research (JGR): Space Physics. 10,384-10,402.
  • Vis forfatter(e) 2018. Seasonal and solar cycle variations of thermally excited 630.0 nm emissions in the polar ionosphere. Journal of Geophysical Research (JGR): Space Physics. 7029-7039.
  • Vis forfatter(e) 2018. Observations of asymmetries in ionospheric return flow during different levels of geomagnetic activity. Journal of Geophysical Research (JGR): Space Physics. 4638-4651.
  • Vis forfatter(e) 2018. Interplanetary Magnetic Field Bx Component Influence on Horizontal and Field-Aligned Currents in the Ionosphere. Journal of Geophysical Research (JGR): Space Physics. 3360-3379.
  • Vis forfatter(e) 2018. How the IMF By Induces a Local By Component During Northward IMF Bz and Characteristic Timescales. Journal of Geophysical Research (JGR): Space Physics. 3333-3348.
  • Vis forfatter(e) 2018. Evolution of Asymmetrically Displaced Footpoints During Substorms. Journal of Geophysical Research (JGR): Space Physics. 10,030-10,063.
  • Vis forfatter(e) 2017. Overview of solar wind - magnetosphere - ionosphere - atmosphere coupling and the generation of magnetospheric currents. Space Science Reviews. 547-573.
  • Vis forfatter(e) 2017. North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observations. Journal of Geophysical Research (JGR): Space Physics. 136-149.
  • Vis forfatter(e) 2017. Magnetic field perturbations from currents in the dark polar regions during quiet geomagnetic conditions. Space Science Reviews. 281-297.
  • Vis forfatter(e) 2017. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection. Journal of Geophysical Research (JGR): Space Physics. 1670-1689.
  • Vis forfatter(e) 2016. The impact of sunlight on high-latitude equivalent currents. Journal of Geophysical Research (JGR): Space Physics. 2715-2726.
  • Vis forfatter(e) 2016. Sunlight effects on the 3D polar current system determined from low Earth orbit measurements. Earth Planets and Space.
  • Vis forfatter(e) 2016. Mechanisms that Produce Auroral Asymmetries in Conjugate Hemispheres. Geophysical Monograph.
  • Vis forfatter(e) 2016. Magnetospheric response and reconfiguration times following IMF By reversals. Journal of Geophysical Research (JGR): Space Physics. 417-431.
  • Vis forfatter(e) 2016. Magnetic coordinate systems. Space Science Reviews. 1-33.
  • Vis forfatter(e) 2016. Dynamic effects of restoring footpoint symmetry on closed magnetic field lines. Journal of Geophysical Research (JGR): Space Physics. 3963-3977.
  • Vis forfatter(e) 2015. How the IMF By induces a By component in the closed magnetosphere and how it leads to asymmetric currents and convection patternsin the two hemispheres. Journal of Geophysical Research (JGR): Space Physics. 9368-9384.
  • Vis forfatter(e) 2015. Birkeland current effects on high-latitude ground magnetic field perturbations. Geophysical Research Letters. 7248-7254.
  • Vis forfatter(e) 2014. What is the appropriate coordinate system for magnetometer data when analyzing ionospheric currents? Journal of Geophysical Research (JGR): Space Physics. 8637-8647.
  • Vis forfatter(e) 2014. Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx. Journal of Geophysical Research (JGR): Space Physics. 9497-9507.
  • Vis forfatter(e) 2013. On the non-conjugacy of nightside aurora and their generator mechanisms. Journal of Geophysical Research (JGR): Space Physics. 3394-3406.
  • Vis forfatter(e) 2013. Coincident particle and optical observations of nightside subauroral proton precipitation. Journal of Geophysical Research (JGR): Space Physics. 1112-1122.
  • Vis forfatter(e) 2012. Correction to 'Interhemispherical asymmetry of substorm onset locations and the Interplanetary Magnetic Field.'. Geophysical Research Letters.
  • Vis forfatter(e) 2012. Changes in the magnetotail configuration before near-Earth reconnection. Journal of Geophysical Research (JGR): Space Physics. 12 sider.
  • Vis forfatter(e) 2011. Interhemispherical asymmetry of substorm onset locations and the interplanetary magnetic field. Geophysical Research Letters. 5 sider.
  • Vis forfatter(e) 2011. Evolution of auroral asymmetries in the conjugate hemispheres during two substorms. Geophysical Research Letters. 6 sider.
  • Vis forfatter(e) 2011. 3-D laser scanner system based on a galvanometer scan head for high temperature applications. Proceedings of SPIE, the International Society for Optical Engineering. 9 sider.
  • Vis forfatter(e) 2010. Seasonal and interplanetary magnetic field-dependent polar cap contraction during substorm expansion phase. Journal of Geophysical Research (JGR): Space Physics. A11224.
  • Vis forfatter(e) 2010. Interhemispheric observations of emerging polar cap asymmetries. Journal of Geophysical Research (JGR): Space Physics. 15 sider.
  • Vis forfatter(e) 2009. Asymmetric auroral intensities in the Earth's Northern and Southern hemispheres. Nature. 491-493.
  • Vis forfatter(e) 2008. Persistent global proton aurora caused by high solar wind dynamic pressure. Journal of Geophysical Research (JGR). 8 sider.
Faglig foredrag
  • Vis forfatter(e) 2014. Seasonal differences in ionospheric current rise and decay times.
Vitenskapelig foredrag
  • Vis forfatter(e) 2021. Hemispheric and seasonal variations in the cold plasma outflow source region: Swarm and CHAMP observations of F-region polar cap electron density.
  • Vis forfatter(e) 2020. Hemispheric and seasonal variations in the cold plasma outflow source region: polar cap ionosphere electron density at 350–500 km.
  • Vis forfatter(e) 2019. Thermally excited 630.0 nm emissions in the polar ionosphere.
  • Vis forfatter(e) 2019. The relative importance of diamagnetic effects in the high-latitude ionosphere.
  • Vis forfatter(e) 2019. Swarm as a platform for ion outflow studies.
  • Vis forfatter(e) 2019. Southern and Northern Hemisphere relationships between ion outflow and magnetic field fluctuations .
  • Vis forfatter(e) 2019. Observations of Asymmetric Lobe Convection for Weak and Strong Tail Reconnection.
  • Vis forfatter(e) 2019. How asymmetries in Geospace evolve during increased tail reconnection.
  • Vis forfatter(e) 2019. How Asymmetries in Geospace Evolve During Substorms.
  • Vis forfatter(e) 2019. FAST observations of cusp/cleft-region ion upflow and field variations.
  • Vis forfatter(e) 2019. Cluster EDI Observations of the Asymmetric Plasma Convection in the Magnetotail Lobes During Different Levels of Tail Reconnection Rate .
  • Vis forfatter(e) 2019. A new way to identify and quantify the sources of ionospheric convection.
  • Vis forfatter(e) 2018. Plasma circulation inside the polar cap and lobe reconnection.
  • Vis forfatter(e) 2017. The influence of plasma flows bringing the magnetotail back to a more symmetric configuration.
  • Vis forfatter(e) 2017. The CHAOS-X Model and Uncertainty Values for Magnetic Directional Surveying.
  • Vis forfatter(e) 2017. Seasonal and IMF-controlled variations in the large-scale true horizontal ionospheric current.
  • Vis forfatter(e) 2017. Production and visualization of a climatological model of high-latitude ionospheric and field aligned current systems.
  • Vis forfatter(e) 2017. Norwegian contributions to the ISWI program.
  • Vis forfatter(e) 2017. North-south asymmetries in polar ionospheric currents - effects of asymmetries in the main magnetic field.
  • Vis forfatter(e) 2017. North-south asymmetries in lobe density: Cluster observations.
  • Vis forfatter(e) 2017. North-South asymmetries in cold plasma density.
  • Vis forfatter(e) 2017. How the IMF By induces a By-component on closed field lines during northward IMF Bz.
  • Vis forfatter(e) 2017. High latitude currents and convection during quiet times.
  • Vis forfatter(e) 2017. Hemispherical differences in the Ionospheric current system as seen by Swarm and CHAMP.
  • Vis forfatter(e) 2017. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection.
  • Vis forfatter(e) 2017. Characterizing external influence on the large-scale polar ionospheric current system.
  • Vis forfatter(e) 2015. Statistical maps of Birkeland currents from Swarm magnetometer measurements.
  • Vis forfatter(e) 2015. On which timescales are By induced in the closed magnetosphere?
  • Vis forfatter(e) 2015. North-south asymmetries in magnetospheric and ionospheric plasma circulation (Invited).
  • Vis forfatter(e) 2015. Magnetic field patterns near the polar cap boundary.
  • Vis forfatter(e) 2015. Generation of Birkeland Currents during IMF By; Mechanisms and theory.
  • Vis forfatter(e) 2015. Effects of electric field component representation on estimated cross polar cap potential - Implications for interhemispheric asymmetries.
  • Vis forfatter(e) 2015. Effects of electric field component representation on estimated cross polar cap potential - Implications for interhemispheric asymmetries.
  • Vis forfatter(e) 2015. Current systems associated with Non-Conjugate Aurora.
  • Vis forfatter(e) 2015. Are there auroral signatures related to asymmetric generation of field-aligned currents in the tail due to an IMF By induced twist?
  • Vis forfatter(e) 2014. Techniques for fast measurement of cylinder diameter outdoors.
  • Vis forfatter(e) 2014. Hemispheric differences in solar wind – magnetosphere interactions.
  • Vis forfatter(e) 2014. Conjugate and non-conjugate aspects of the aurora.
  • Vis forfatter(e) 2014. Comparison of solar wind driving of the aurora in the two hemispheres due to the solar wind dynamo.
  • Vis forfatter(e) 2014. Comparison of solar wind driving of the aurora in the two hemispheres due to solar wind dynamo.
  • Vis forfatter(e) 2014. Asymmetric Solar Wind dynamo efficiency and IMF Bx.
  • Vis forfatter(e) 2013. What are the mechanisms that produce auroral asymmetries in the conjugate hemispheres?
  • Vis forfatter(e) 2013. Simultaneous global imaging as a tracer of true conjugate regions.
  • Vis forfatter(e) 2013. Non-Conjugate Features in the Auroral Ovals in the two Hemispheres.
  • Vis forfatter(e) 2013. Investigation of the role of IMF Bx on magnetopause characteristic past the terminator.
  • Vis forfatter(e) 2013. Investigation of a possible IMF Bx influence on magnetopause characteristics.
  • Vis forfatter(e) 2013. Investigation of a possible IMF Bx influence on magnetopause characteristic.
  • Vis forfatter(e) 2013. Inter-hemispheric currents in the ring current region.
  • Vis forfatter(e) 2013. Intensity asymmetries between the northern and southern auroral ovals associated with the x-component of the Interplanetary Magnetic Field.
  • Vis forfatter(e) 2011. Particle and optical observations of subauroral proton precipitation.
  • Vis forfatter(e) 2011. Observations of energetic protons and auroral light during geomagnetic storms.
  • Vis forfatter(e) 2011. Auroral asymmetries in the conjugate hemispheres during substorm onset and expansion phase.
  • Vis forfatter(e) 2011. Auroral asymmetries in the conjugate hemispheres.
  • Vis forfatter(e) 2011. Asymmetries of substorm onset location and the dynamic behavior of auroral substorms during expansion phase.
  • Vis forfatter(e) 2009. Substorm auroral asymmetries in the conjugate hemispheres during onset and expansion phase.
  • Vis forfatter(e) 2009. IPY-ICESTAR Arctic Frontiers.
  • Vis forfatter(e) 2009. IMF Bx Effects on Interhemispheric Polar Cap Asymmetries Inferred From Conjugate Auroral Imaging.
  • Vis forfatter(e) 2009. Conjugate aurora observations of substorms IAGA meeting.
  • Vis forfatter(e) 2009. Asymmetric aurora detected in the two hemispheres simultaneously.
  • Vis forfatter(e) 2009. Asymmetric aurora detected in the two hemispheres simultaneously.
  • Vis forfatter(e) 2009. Asymmetric aurora detected in the two hemispheres simultaneously.
  • Vis forfatter(e) 2008. What are the ionospheric signatures of magnetotail reconnection?
  • Vis forfatter(e) 2008. Conjugate observations of substorm onset and expansion in the two hemispheres.
  • Vis forfatter(e) 2008. Conjugate imaging of substorms.
  • Vis forfatter(e) 2008. Auroral conjugacy studies.
  • Vis forfatter(e) 2007. Solar wind pressure as a cause for persistent proton precipitation.
Mastergradsoppgave
  • Vis forfatter(e) 2007. Storm Time Observations of the Global Proton Aurora.
Doktorgradsavhandling
  • Vis forfatter(e) 2010. Auroral Imaging as a Tracer of Global Magnetospheric Dynamics.
Poster
  • Vis forfatter(e) 2019. Quantifying the dipole tilt influence on reverse convection cells during northward IMF using spherical elementary functions.
  • Vis forfatter(e) 2019. A new way to identify and quantify the sources of ionospheric convection.
  • Vis forfatter(e) 2018. How the IMF BY induces a BY component on closed field lines during northward IMF Bz and characteristic timescales.
  • Vis forfatter(e) 2018. Evolution of asymmetrically displaced footpoints during substorms.
  • Vis forfatter(e) 2017. When and where is the process of restoring symmetry important?
  • Vis forfatter(e) 2017. The asymmetric geospace - the most common state of the system.
  • Vis forfatter(e) 2017. How the IMF By induces a By-component on closed field lines during northward IMF Bz.
  • Vis forfatter(e) 2017. Evolution of asymmetrically displaced footpoints during substorms.
  • Vis forfatter(e) 2017. Evolution of asymmetrically displaced footpoints during substorms.
  • Vis forfatter(e) 2016. North-south asymmetries in cold ion outflow and lobe density.
  • Vis forfatter(e) 2016. How the IMF By induces a By component on closed field lines during northward IMF Bz.
  • Vis forfatter(e) 2016. Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines: Asymmetric Birkeland currents.
  • Vis forfatter(e) 2015. The Impact of IMF By on the Magnetosphere-Ionosphere System.
  • Vis forfatter(e) 2015. On the importance of magnetotail untwisting.
  • Vis forfatter(e) 2015. On the importance of magnetotail untwist.
  • Vis forfatter(e) 2015. Birkeland Current Effects on High-Latitude Ground Magnetic Field Perturbations.
  • Vis forfatter(e) 2014. What is the Appropriate Coordinate System for Magnetometer Data when Analyzing Ionospheric Currents?
  • Vis forfatter(e) 2014. Hemispheric asymmetries in the global aurora and IMF Bx.
  • Vis forfatter(e) 2014. Generation of Field Aligned Currents during IMF By: Mechanisms and theory.
  • Vis forfatter(e) 2013. Solar wind dynamic pressure effect on global auroral intensity.
  • Vis forfatter(e) 2013. Inter-hemispheric currents in the ring current region as seen by the Cluster spacecraft.
  • Vis forfatter(e) 2013. How IMF Bx affects the two polar hemispheres differently.
  • Vis forfatter(e) 2013. How IMF Bx affects the two hemispheres differently.
  • Vis forfatter(e) 2013. Auroral intensity asymmetries associated with the x-component of the interplanetary magnetic field in the two polar hemispheres.
  • Vis forfatter(e) 2012. Non-conjugate aurora and inter hemispheric currents.
  • Vis forfatter(e) 2012. Asymmetric field-aligned currents in the conjugate hemispheres.
  • Vis forfatter(e) 2009. A case study of auroral conjugacy based on global imaging.
  • Vis forfatter(e) 2008. Auroral asymmetries in the conjugate hemispheres during strong IMF Bx.
Errata
  • Vis forfatter(e) 2013. Correction to 'Evolution of auroral asymmetries in the conjugate hemispheres during two substorms.'. Geophysical Research Letters. 471-471.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) 2016. North–south asymmetries in Earth’s magnetic field effects on high-latitude geospace. Space Science Reviews. 225-257.
  • Vis forfatter(e) 2012. In situ monitoring of growth interfaces: a review of noninvasive methods. JOM. 96-101.
Populærvitenskapelig kapittel/artikkel
  • Vis forfatter(e) 2016. Auroral research and the total solar eclipse. 13 sider.

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