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Paul Arne Riksheim Tenfjord

Researcher, Group Leader Space Plasma Physics Group
  • E-mailPaul.Tenfjord@uib.no
  • Phone+47 55 58 27 14+47 934 58 461
  • Visitor Address
    Allégaten 55
  • Postal Address
    Postboks 7803
    5020 BERGEN

CV

Group Leader, Space Plasma Physics Group, University of Bergen, Norway. My primary research focus is understanding the fundamental plasma-process known as magnetic reconnection. Specifically my work is centered around understanding the (small scale) kinetic physics of magnetic reconnection and how this process couples (large) macroscopic scales. By means of analytical theory and fluid- and particle-based simulation I research under which conditions this process can operate, and how it ceases to operate.

How does the magnetosphere go to sleep?T.Moretto, M. Hesse, M. Kuznetsova, L. Rastätter, S. Vennerstrøm, P. Tenfjord, Journal of Atmospheric and Solar-Terrestrial Physics, 2021

A new Look at the Electron Diffusion Region in Asymmetric Magnetic ReconnectionHesse, M and Norgren, C and Tenfjord, P et al.,  Journal of Geophysical Research: Space Physics, 2020High-density magnetospheric He+ at the dayside magnetopause and its effect on magnetic reconnectionFuselier, SA, Haaland, S., Tenfjord, P. et al.,  Journal of Geophysical Research: Space Physics, 2020

On the Impact of a Streaming Oxygen Population on Collisionless Magnetic ReconnectionH. Kolstø, M. Hesse, S. Spinnangr, C, Norgren, P. Tenfjord,  and Norah Kwagala. Geophysical Research Letters, 2020

Time-scale dependence of solar wind-based regression models of ionospheric electrodynamicsLaundal, K.M., Reistad, J.P., Hatch, S.M., Tenfjord, P., et al. Time-scale dependence of solar wind-based regression models of ionospheric electrodynamics. Sci Rep 10, 16406 (2020)Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validationNorah Kaggwa Kwagala, Michael Hesse, Therese Moretto, Paul Tenfjord, Cecilia Norgren, Gabor Tóth, Tamas Gombosi, Håkon M Kolstø, Susanne F Spinnangr. Journal of Space Weather and Space Climate, 2020

Interaction of cold streaming protons with the reconnection processP. Tenfjord, M. Hesse, S. Spinnangr, C, Norgren, H. Kolstø and Norah Kwagala. Journal of Geophysical Research: Space Physics, 2020

Electron Acceleration and Thermalization at Magnetotail SeparatricesC. Norgren M. Hesse D.B. Graham Yu.V. Khotyaintsev P. Tenfjord A. Vaivads K. Steinvall Y. Xu D.J. Gershman P.‐A. Lindqvist F. Plaschke J.L. Burch. Journal of Geophysical Research: Space Physics, 2020

Characteristics of the flank magnetopause: MMS resultsHaaland, S and Paschmann, G and Øieroset, M and Phan, T and Hasegawa, H and Fuselier, S and Constantinescu, V and Eriksson, S and Trattner, KJ and Fadanelli, S., Tenfjord P., et al.,  Journal of Geophysical Research: Space Physics, 2020

Collisionless Magnetic Reconnection in an Asymmetric Oxygen Density ConfigurationKolstø, Håkon Midthun and Hesse, Michael and Norgren, Cecilia and Tenfjord, Paul and Spinnangr, Susanne Flø and Kwagala, Norah. Geophysical Research Letters, 2020

Erratum:“On the role of separatrix instabilities in heating the reconnection outflow region "Phys. Plasmas 25, 122902 (2018)"Hesse, M and Norgren, C and Tenfjord, P and Burch, JL and Liu, Y-H and Chen, L-J and Bessho, N and Wang, S and Nakamura, R and Eastwood, JP. Physics of Plasmas, 2019

High‐density O+ in Earth's outer magnetosphere and its effect on dayside magnetopause magnetic reconnectionFuselier, SA and Mukherjee, J and Denton, MH and Petrinec, SM and Trattner, KJ and Toledo‐Redondo, S and André, M and Aunai, N and Chappell, CR and Glocer, A. Journal of Geophysical Research: Space Physics, 2019

IMF By Influence on Magnetospheric Convection in Earth's Magnetotail Plasma SheetPitkänen, Timo and Kullen, A and Laundal, KM and Tenfjord, P and Shi, QQ and Park, J‐S and Hamrin, Maria and De Spiegeleer, Alexandre and Chong, GS and Tian, AM. Journal Geophysical Research Letters, 2019

Mass loading the Earth's dayside magnetopause boundary layer and its effect on magnetic reconnectionFuselier, SA and Trattner, KJ and Petrinec, SM and Denton, MH and Toledo‐Redondo, S and André, Mats and Aunai, Nicolas and Chappell, CR and Glocer, A and Haaland, SE. Journal Geophysical Research Letters, 2019

MMS Observations of Multiscale Hall Physics in the MagnetotailAlm, Love and André, Mats and Graham, Daniel B and Khotyaintsev, Yuri V and Vaivads, Andris and Chappell, Charles R and Dargent, Jérémy and Fuselier, Stephen A and Haaland, Stein and Lavraud, Benoit. Geophysical Research Letters, 2019

Observations of Asymmetric Lobe Convection for Weak and Strong Tail ActivityOhma, A and Østgaard, N and Reistad, JP and Tenfjord, P and Laundal, KM and Moretto Jørgensen, T and Haaland, SE and Krcelic, P and Milan, S. Journal of Geophysical Research: Space Physics, 2019

The impact of oxygen on the reconnection rateTenfjord, P and Hesse, M and Norgren, C and Spinnangr, SF and Kolstø, H. Geophysical Research Letters, 2019

Estimating the Rate of Cessation of Magnetospheric Activity in AMPERE Field‐Aligned CurrentsMoretto, T and Hesse, Michael and Vennerstrøm, Susanne and Tenfjord, Paul. Geophysical Research Letters, 2018

Evolution of asymmetrically displaced footpoints during substormsOhma, Anders and Østgaard, Nikolai and Reistad, Jone Peter and Tenfjord, Paul and Laundal, Karl M and Snekvik, Kristian and Haaland, SE and Fillingim, MO. Journal of Geophysical Research: Space Physics, 2018

How the IMF By induces a local By component during northward IMF Bz and characteristic timescalesTenfjord, Paul and Østgaard, Nikolai and Haaland, Stein and Snekvik, K and Laundal, KM and Reistad, JP and Strangeway, R and Milan, SE and Hesse, Michael and Ohma, Anders. Journal of Geophysical Research: Space Physics, 2018

Interplanetary magnetic field Bx component influence on horizontal and field‐aligned currents in the ionosphereLaundal, Karl Magnus and Reistad, Jone Peter and Finlay, Christopher C and Østgaard, Nikolai and Tenfjord, Paul and Snekvik, Kristian and Ohma, Anders. Journal of Geophysical Research: Space Physics, 2018

Observations of asymmetries in ionospheric return flow during different levels of geomagnetic activityReistad, Jone Peter and Østgaard, Nikolai and Laundal, Karl Magnus and Ohma, Anders and Snekvik, Kristian and Tenfjord, Paul and Grocott, Adrian and Oksavik, Kjellmar and Milan, SE and Haaland, Stein. Journal of Geophysical Research: Space Physics, 2018

On the role of separatrix instabilities in heating the reconnection outflow regionHesse, M and Norgren, C and Tenfjord, P and Burch, JL and Liu, Y-H and Chen, L-J and Bessho, N and Wang, S and Nakamura, R and Eastwood, JP. Physics of Plasmas, 2018

The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001Østgaard, Nikolai and Reistad, Jone Peter and Tenfjord, Paul and Laundal, Karl Magnus and Rexer, Theresa and Haaland, Stein and Snekvik, Kristian and Hesse, Michael and Milan, Stephen Eric and Ohma, Anders, 2018

The formation of an oxygen wave by magnetic reconnection Tenfjord, P and Hesse, M and Norgren, C. Journal of Geophysical Research: Space Physics, 2018

The physical foundation of the reconnection electric field Hesse, M and Liu, Y-H and Chen, L-J and Bessho, N and Wang, S and Burch, JL and Moretto, T and Norgren, C and Genestreti, KJ and Phan, TD. Physics of Plasmas, 2018

Timescales of dayside and nightside field‐aligned current response to changes in solar wind‐magnetosphere couplingMilan, Stephen E and Carter, Jennifer Alyson and Sangha, Harneet and Laundal, Karl M and Østgaard, Nikolai and Tenfjord, Paul and Reistad, Jone Peter and Snekvik, Kristian and Coxon, John C and Korth, Haje. Journal of Geophysical Research: Space Physics, 2018

Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection Snekvik, Kristian and Østgaard, Nikolai and Tenfjord, Paul and Reistad, Jone Peter and Laundal, Karl Magnus and Milan, Stephen Eric and Haaland, Stein E. Journal of Geophysical Research: Space Physics, 2017

Defining and resolving current systems in geospaceGanushkina, Natalia Yu and Liemohn, Michael W and Dubyagin, S and Daglis, IA and Dandouras, I and De Zeeuw, DL and Ebihara, Y and Ilie, Raluca and Katus, R and Kubyshkina, M. Ann. Geophys. 2015

Magnetospheric response and reconfiguration times following IMF By reversals Tenfjord, Paul and Østgaard, Nikolai and Strangeway, R and Haaland, Stein and Snekvik, Kristian and Laundal, Karl Magnus and Reistad, Jone Peter and Milan, Stephen Eric. Journal of Geophysical Research: Space Physics, 2017

North‐south asymmetries in cold plasma density in the magnetotail lobes: Cluster observationsHaaland, Stein and Lybekk, Bjørn and Maes, Lukas and Laundal, K and Pedersen, Amund and Tenfjord, Paul and Ohma, Anders and Østgaard, Nikolai and Reistad, J and Snekvik, Kristian. Journal of Geophysical Research: Space Physics, 2017

Overview of solar wind–magnetosphere–ionosphere–atmosphere coupling and the generation of magnetospheric currentsMilan, Stephen Eric and Clausen, Lasse Boy Novock and Coxon, John Charles and Carter, Jenny A and Walach, M-T and Laundal, K and Østgaard, Nikolai and Tenfjord, P and Reistad, J and Snekvik, Kristian. Space Science Reviews, 2017

Dynamic effects of restoring footpoint symmetry on closed magnetic field linesReistad, Jone Peter and Østgaard, Nikolai and Tenfjord, Paul and Laundal, Karl Magnus and Snekvik, Kristian and Haaland, Stein and Milan, SE and Oksavik, Kjellmar and Frey, HU and Grocott, A. Journal of Geophysical Research: Space Physics, 2016

The impact of sunlight on high‐latitude equivalent currentsLaundal, Karl Magnus and Gjerloev, JW and Østgaard, Nikolai and Reistad, Jone Peter and Haaland, Stein and Snekvik, Kristian and Tenfjord, Paul and Ohtani, Shin-ichi and Milan, SE. Journal of Geophysical Research: Space Physics, 2016

Birkeland current effects on high‐latitude ground magnetic field perturbationsLaundal, Karl Magnus and Haaland, SE and Lehtinen, Nikolai and Gjerloev, JW and Østgaard, Nikolai and Tenfjord, Paul and Reistad, Jone Peter and Snekvik, Kristian and Milan, SE and Ohtani, Shin-ichi. Geophysical Research Letters, 2015

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 Tenfjord, Paul and Østgaard, Nikolai and Snekvik, Kristian and Laundal, Karl Magnus and Reistad, Jone Peter and Haaland, Stein and Milan, SE. Journal of Geophysical Research: Space Physics, 2015

Mechanisms that produce auroral asymmetries in conjugate hemispheresØstgaard, Nikolai and Reistad, Jone Peter and Tenfjord, Paul and Laundal, Karl Magnus and Snekvik, Kristian and Milan, SE and Haaland, Stein. Auroral dynamics and space weather, 2015

Characteristics of the flank magnetopause: Cluster observationsHaaland, Stein and Reistad, J and Tenfjord, Paul and Gjerloev, J and Maes, Lukas and DeKeyser, Johan and Maggiolo, Romain and Anekallu, Chrandrasehkar and Dorville, Nicolas. Journal of Geophysical Research: Space Physics, 2014

Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF BxReistad, Jone Peter and Østgaard, Nikolai and Laundal, Karl Magnus and Haaland, Stein and Tenfjord, Paul and Snekvik, Kristian and Oksavik, Kjellmar and Milan, SE Journal of Geophysical Research: Space Physics, 2014

Energy transfer and flow in the solar wind‐magnetosphere‐ionosphere system: A new coupling functionTenfjord, Paul and Østgaard, Nikolai, Journal of Geophysical Research: Space Physics, 2013

* Google Scholar profile: https://scholar.google.com/citations?user=OcUzVrgAAAAJ

Academic article
  • Show author(s) 2021. The Micro-Macro Coupling of Mass-Loading in Symmetric Magnetic Reconnection With Cold Ions. Geophysical Research Letters.
  • Show author(s) 2021. On the Presence and Thermalization of Cold Ions in the Exhaust of Antiparallel Symmetric Reconnection. Frontiers in Astronomy and Space Sciences.
  • Show author(s) 2021. Magnetic Reconnection in a Sheared Magnetic Flux Tube: Slippage Versus Tearing. Journal of Geophysical Research (JGR): Space Physics.
  • Show author(s) 2021. MMS Observations of an Expanding Oxygen Wave in Magnetic Reconnection . Geophysical Research Letters.
  • Show author(s) 2021. Hidden Atmospheric Particles Sculpt Near-Earth Space Environment. EOS.
  • Show author(s) 2020. Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation. Journal of Space Weather and Space Climate. 13 pages.
  • Show author(s) 2020. On the Impact of a Streaming Oxygen Population on Collisionless Magnetic Reconnection. Geophysical Research Letters.
  • Show author(s) 2020. Interaction of Cold Streaming Protons with the Reconnection Process. Journal of Geophysical Research (JGR): Space Physics. 11 pages.
  • Show author(s) 2020. High‐density magnetospheric He+ at the dayside magnetopause and its effect on magnetic reconnection . Journal of Geophysical Research (JGR): Space Physics. 12 pages.
  • Show author(s) 2020. Electron Acceleration and Thermalization at Magnetotail Separatrices. Journal of Geophysical Research (JGR): Space Physics. 19 pages.
  • Show author(s) 2020. Collisionless Magnetic Reconnection in an Asymmetric Oxygen Density Configuration. Geophysical Research Letters.
  • Show author(s) 2020. Characteristics of the Flank Magnetopause: MMS Results . Journal of Geophysical Research (JGR): Space Physics.
  • Show author(s) 2020. A new Look at the Electron Diffusion Region in Asymmetric Magnetic Reconnection. Journal of Geophysical Research (JGR): Space Physics. 16 pages.
  • Show author(s) 2019. The Impact of Oxygen on the Reconnection Rate. Geophysical Research Letters. 6195-6203.
  • Show author(s) 2019. Observations of asymmetric lobe convection for weak and strong tail activity. Journal of Geophysical Research (JGR): Space Physics. 9999-10017.
  • Show author(s) 2019. Mass‐loading the Earth's dayside magnetopause boundary layer and its effect on magnetic reconnection. Geophysical Research Letters. 6204-6213.
  • Show author(s) 2019. MMS observations of multiscale hall physics in the magnetotail. Geophysical Research Letters. 10230-10239.
  • Show author(s) 2019. IMF By Influence on Magnetospheric Convection in Earth's Magnetotail Plasma Sheet . Geophysical Research Letters. 11698-11708.
  • Show author(s) 2019. High‐density O+ in Earth's outer magnetosphere and its effect on dayside magnetopause magnetic reconnection. Journal of Geophysical Research (JGR): Space Physics. 10257-10269.
  • Show author(s) 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.
  • Show author(s) 2018. The physical foundation of the reconnection electric field. Physics of Plasmas. 1-7.
  • Show author(s) 2018. The formation of an oxygen wave by magnetic reconnection . Journal of Geophysical Research (JGR): Space Physics. 9370-9380.
  • Show author(s) 2018. The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001. Annales Geophysicae. 1577-1596.
  • Show author(s) 2018. On the role of separatrix instabilities in heating the reconnection outflow region. Physics of Plasmas. 1-9.
  • Show author(s) 2018. Observations of asymmetries in ionospheric return flow during different levels of geomagnetic activity. Journal of Geophysical Research (JGR): Space Physics. 4638-4651.
  • Show author(s) 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.
  • Show author(s) 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.
  • Show author(s) 2018. Evolution of Asymmetrically Displaced Footpoints During Substorms. Journal of Geophysical Research (JGR): Space Physics. 10,030-10,063.
  • Show author(s) 2018. Estimating the Rate of Cessation of Magnetospheric Activity in AMPERE Field‐Aligned Currents. Geophysical Research Letters. 12713-12719.
  • Show author(s) 2017. Overview of solar wind - magnetosphere - ionosphere - atmosphere coupling and the generation of magnetospheric currents. Space Science Reviews. 547-573.
  • Show author(s) 2017. North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observations. Journal of Geophysical Research (JGR): Space Physics. 136-149.
  • Show author(s) 2017. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection. Journal of Geophysical Research (JGR): Space Physics. 1670-1689.
  • Show author(s) 2016. The impact of sunlight on high-latitude equivalent currents. Journal of Geophysical Research (JGR): Space Physics. 2715-2726.
  • Show author(s) 2016. Mechanisms that Produce Auroral Asymmetries in Conjugate Hemispheres. Geophysical Monograph.
  • Show author(s) 2016. Magnetospheric response and reconfiguration times following IMF By reversals. Journal of Geophysical Research (JGR): Space Physics. 417-431.
  • Show author(s) 2016. Dynamic effects of restoring footpoint symmetry on closed magnetic field lines. Journal of Geophysical Research (JGR): Space Physics. 3963-3977.
  • Show author(s) 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.
  • Show author(s) 2015. Defining and resolving current systems in geospace. Annales Geophysicae. 1369-1402.
  • Show author(s) 2015. Birkeland current effects on high-latitude ground magnetic field perturbations. Geophysical Research Letters. 7248-7254.
  • Show author(s) 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.
  • Show author(s) 2014. Characteristics of the flank magnetopause: Cluster observations. Journal of Geophysical Research (JGR): Space Physics. 9019-9037.
  • Show author(s) 2013. Energy transfer and flow in the solar wind-magnetosphere-ionosphere system: A new coupling function. Journal of Geophysical Research (JGR): Space Physics. 5659-5672.
Lecture
  • Show author(s) 2014. Seasonal differences in ionospheric current rise and decay times.
Academic lecture
  • Show author(s) 2021. Electron acceleration and thermalization at magnetotail separatrices.
  • Show author(s) 2021. Acceleration and thermalization of cold ions within the reconnection exhaust.
  • Show author(s) 2020. What can limit the effectiveness of magnetic reconnection?
  • Show author(s) 2020. On the Micro-Macro Coupling of Mass-Loading in Magnetic Reconnection with Cold Ions.
  • Show author(s) 2020. On the Micro-Macro Coupling of Mass-Loading in Magnetic Reconnection with Cold Ions.
  • Show author(s) 2020. How tail reconnection affects the asymmetric state of the magnetosphere in the LFM model.
  • Show author(s) 2020. How does a cold proton population influence the reconnection process on different scales?
  • Show author(s) 2020. Electron and ion dynamics during closure of Hall current systems.
  • Show author(s) 2020. Cold proton-reconnection interaction.
  • Show author(s) 2020. Cold ions inside the exhaust of antiparallel magnetic reconnection.
  • Show author(s) 2020. Cold ions inside the exhaust of antiparallel magnetic reconnection.
  • Show author(s) 2020. Acceleration and thermalization of cold ions during magnetic reconnection.
  • Show author(s) 2019. Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation .
  • Show author(s) 2019. Observations of Asymmetric Lobe Convection for Weak and Strong Tail Reconnection.
  • Show author(s) 2019. How does the magnetosphere go to sleep?
  • Show author(s) 2019. How asymmetries in Geospace evolve during increased tail reconnection.
  • Show author(s) 2019. How Asymmetries in Geospace Evolve During Substorms.
  • Show author(s) 2019. Cluster EDI Observations of the Asymmetric Plasma Convection in the Magnetotail Lobes During Different Levels of Tail Reconnection Rate .
  • Show author(s) 2018. The influence of oxygen on the reconnection rate .
  • Show author(s) 2018. Plasma circulation inside the polar cap and lobe reconnection.
  • Show author(s) 2018. How well are interhemispheric asymmetries in ionospheric potential reproduced in global MHD models?
  • Show author(s) 2018. How Oxygen Influences the Reconnection Rate.
  • Show author(s) 2018. How Does the Magnetosphere go to Sleep?
  • Show author(s) 2018. Formation of oxygen density striations.
  • Show author(s) 2018. Electron acceleration and thermalisation along magnetotail separatrices.
  • Show author(s) 2018. Electron acceleration and thermalisation along magnetotail separatrices.
  • Show author(s) 2018. Electron acceleration and thermalisation along magnetotail separatrices.
  • Show author(s) 2017. The role of nongyrotropy in balancing the reconnection diffusion region.
  • Show author(s) 2017. The role of different ion species in the cessation of magnetic reconnection .
  • Show author(s) 2017. The role of different ion species in magnetic reconnection: Formation of oxygen density striations.
  • Show author(s) 2017. The influence of plasma flows bringing the magnetotail back to a more symmetric configuration.
  • Show author(s) 2017. Seasonal and IMF-controlled variations in the large-scale true horizontal ionospheric current.
  • Show author(s) 2017. Oxygen heating and acceleration.
  • Show author(s) 2017. North-south asymmetries in polar ionospheric currents - effects of asymmetries in the main magnetic field.
  • Show author(s) 2017. North-south asymmetries in lobe density: Cluster observations.
  • Show author(s) 2017. North-South asymmetries in cold plasma density.
  • Show author(s) 2017. How the IMF By induces a By-component on closed field lines during northward IMF Bz.
  • Show author(s) 2017. Hemispherical differences in the Ionospheric current system as seen by Swarm and CHAMP.
  • Show author(s) 2017. Estimating the Rate of Cessation of Magnetospheric Activity in AMPERE Currents.
  • Show author(s) 2017. Does the Magnetosphere go to Sleep?
  • Show author(s) 2017. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection.
  • Show author(s) 2017. Characterizing external influence on the large-scale polar ionospheric current system.
  • Show author(s) 2015. Statistical maps of Birkeland currents from Swarm magnetometer measurements.
  • Show author(s) 2015. On which timescales are By induced in the closed magnetosphere?
  • Show author(s) 2015. Magnetic field patterns near the polar cap boundary.
  • Show author(s) 2015. Generation of Birkeland Currents during IMF By; Mechanisms and theory.
  • Show author(s) 2015. Effects of electric field component representation on estimated cross polar cap potential - Implications for interhemispheric asymmetries.
  • Show author(s) 2015. Effects of electric field component representation on estimated cross polar cap potential - Implications for interhemispheric asymmetries.
  • Show author(s) 2015. Are there auroral signatures related to asymmetric generation of field-aligned currents in the tail due to an IMF By induced twist?
  • Show author(s) 2014. Hemispheric differences in solar wind – magnetosphere interactions.
  • Show author(s) 2014. Dawn-dusk asymmetries in the magnetopause and ring current.
  • Show author(s) 2014. Comparison of solar wind driving of the aurora in the two hemispheres due to the solar wind dynamo.
  • Show author(s) 2014. Comparison of solar wind driving of the aurora in the two hemispheres due to solar wind dynamo.
  • Show author(s) 2014. Asymmetric Solar Wind dynamo efficiency and IMF Bx.
  • Show author(s) 2014. Are there detectable interhemispheric asymmetries in the field aligned currents, when IMF By is large? .
  • Show author(s) 2013. What are the mechanisms that produce auroral asymmetries in the conjugate hemispheres?
  • Show author(s) 2013. Investigation of the role of IMF Bx on magnetopause characteristic past the terminator.
  • Show author(s) 2013. Investigation of a possible IMF Bx influence on magnetopause characteristics.
  • Show author(s) 2013. Investigation of a possible IMF Bx influence on magnetopause characteristic.
  • Show author(s) 2013. Inter-hemispheric currents in the ring current region.
  • Show author(s) 2013. Intensity asymmetries between the northern and southern auroral ovals associated with the x-component of the Interplanetary Magnetic Field.
  • Show author(s) 2013. Characteristics of the flank magnetopause - contributions from the Cluster mission.
Doctoral dissertation
  • Show author(s) 2017. Solar wind energy transfer and the asymmetric geospace.
Poster
  • Show author(s) 2020. Quantitative Investigation of the Effect on Ground Magnetic Perturbations of IMF Bx .
  • Show author(s) 2019. Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation .
  • Show author(s) 2019. Physics-based validation of global MHD models.
  • Show author(s) 2018. The formation of oxygen density striations in the diffusion region.
  • Show author(s) 2018. How the IMF BY induces a BY component on closed field lines during northward IMF Bz and characteristic timescales.
  • Show author(s) 2018. Evolution of asymmetrically displaced footpoints during substorms.
  • Show author(s) 2018. Electron reconnection in the magnetopause current layer.
  • Show author(s) 2017. When and where is the process of restoring symmetry important?
  • Show author(s) 2017. The asymmetric geospace - the most common state of the system.
  • Show author(s) 2017. How the IMF By induces a By-component on closed field lines during northward IMF Bz.
  • Show author(s) 2017. Evolution of asymmetrically displaced footpoints during substorms.
  • Show author(s) 2017. Evolution of asymmetrically displaced footpoints during substorms.
  • Show author(s) 2016. How the IMF By induces a By component on closed field lines during northward IMF Bz.
  • Show author(s) 2016. Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines: Asymmetric Birkeland currents.
  • Show author(s) 2015. The Impact of IMF By on the Magnetosphere-Ionosphere System.
  • Show author(s) 2015. Solar wind coupling times from the dayside to the nightside as observed by AMPERE.
  • Show author(s) 2015. On the importance of magnetotail untwisting.
  • Show author(s) 2015. On the importance of magnetotail untwist.
  • Show author(s) 2014. Hemispheric asymmetries in the global aurora and IMF Bx.
  • Show author(s) 2014. Generation of Field Aligned Currents during IMF By: Mechanisms and theory.
  • Show author(s) 2013. Inter-hemispheric currents in the ring current region as seen by the Cluster spacecraft.
  • Show author(s) 2013. Energy transfer and flow in the solar wind-magnetosphere-ionosphere system: A new coupling function.
  • Show author(s) 2013. Energy transfer and flow in the solar wind-magnetosphere-ionosphere system: A new coupling function.

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