Articles | Volume 36, issue 6
https://doi.org/10.5194/angeo-36-1577-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-36-1577-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Regular paper
| 
29 Nov 2018
Regular paper |
| 29 Nov 2018
| 29 Nov 2018
The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Jone P. Reistad
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Paul Tenfjord
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Karl M. Laundal
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Theresa Rexer
Department of Physics and Technology, University of Tromsø, 9037 Tromsø, Norway
Stein E. Haaland
Department of Planets and Comets, Max-Planck Institute for Solar System Research, Göttingen, Germany
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Kristian Snekvik
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Michael Hesse
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Stephen E. Milan
Department of Physics and Astronomy, University of Leicester, Leicester, UK
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
Anders Ohma
Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, Bergen, Norway
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Cited
24 citations as recorded by crossref.
- Dayside Aurora H. Frey et al. 10.1007/s11214-019-0617-7
- Evolution of Asymmetrically Displaced Footpoints During Substorms A. Ohma et al. 10.1029/2018JA025869
- Dynamics of field-aligned currents in two hemispheres during a magnetospheric storm from magnetogram inversion technique data V. Mishin et al. 10.12737/szf-71202104
- Local Mapping of Polar Ionospheric Electrodynamics K. Laundal et al. 10.1029/2022JA030356
- Investigation of the Southern Hemisphere Mid‐High Latitude Thermospheric ∑O/N2 Responses to the Space‐X Storm X. Cai et al. 10.1029/2022JA031002
- Dynamics of field-aligned currents in two hemispheres during a magnetospheric storm from magnetogram inversion technique data V. Mishin et al. 10.12737/stp-71202104
- Nordlyset: Den himmelske danserinnen! A. Aksnes & K. Oksavik 10.18261/issn.1504-3118-2021-02-03-08
- The relationship between interhemispheric asymmetries in polar ionospheric convection and the magnetic field line footpoint displacement field K. Laundal et al. 10.3389/fspas.2022.957223
- Asymmetric Development of Auroral Surges in the Northern and Southern Hemispheres H. Uchida et al. 10.1029/2020GL088750
- Dynamics of the field-aligned currents distribution asymmetry during substorms in the equinox season V. Mishin et al. 10.12737/stp-71202105
- An Auroral Signature of the Duskside Boundary of the Cusp H. Feng et al. 10.1029/2022JA030634
- Evolution of IMF By induced asymmetries during substorms: Superposed epoch analysis at geosynchronous orbit A. Ohma et al. 10.3389/fspas.2022.958749
- DMSP Observations of High‐Latitude Dayside Aurora (HiLDA) L. Cai et al. 10.1029/2020JA028808
- Separation and Quantification of Ionospheric Convection Sources: 2. The Dipole Tilt Angle Influence on Reverse Convection Cells During Northward IMF J. Reistad et al. 10.1029/2019JA026641
- Observations of Asymmetric Lobe Convection for Weak and Strong Tail Activity A. Ohma et al. 10.1029/2019JA026773
- Predictors of Substorm Onset Conjugate Displacement S. Walker et al. 10.1029/2024JA033408
- Quantifying the Lobe Reconnection Rate During Dominant IMF By Periods and Different Dipole Tilt Orientations J. Reistad et al. 10.1029/2021JA029742
- Evolution of IMF By Induced Asymmetries: The Role of Tail Reconnection A. Ohma et al. 10.1029/2021JA029577
- Properties of AKR‐Like Emissions Recorded by the Low Altitude Satellite DEMETER During 6.5 Years M. Parrot et al. 10.1029/2022JA030495
- Dynamics of the field-aligned currents distribution asymmetry during substorms in the equinox season V. Mishin et al. 10.12737/szf-71202105
- The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001 N. Østgaard et al. 10.5194/angeo-36-1577-2018
- The Evolution of Long‐Duration Cusp Spot Emission During Lobe Reconnection With Respect to Field‐Aligned Currents J. Carter et al. 10.1029/2020JA027922
- Studying the dynamics of electric currents and polar caps in ionospheres of two hemispheres during the August 17, 2001 geomagnetic storm С. Лунюшкин et al. 10.12737/szf-52201903
- Studying the dynamics of electric currents and polar caps in ionospheres of two hemispheres during the August 17, 2001 geomagnetic storm С. Лунюшкин et al. 10.12737/stp-52201903
19 citations as recorded by crossref.
- Dayside Aurora H. Frey et al. 10.1007/s11214-019-0617-7
- Evolution of Asymmetrically Displaced Footpoints During Substorms A. Ohma et al. 10.1029/2018JA025869
- Dynamics of field-aligned currents in two hemispheres during a magnetospheric storm from magnetogram inversion technique data V. Mishin et al. 10.12737/szf-71202104
- Local Mapping of Polar Ionospheric Electrodynamics K. Laundal et al. 10.1029/2022JA030356
- Investigation of the Southern Hemisphere Mid‐High Latitude Thermospheric ∑O/N2 Responses to the Space‐X Storm X. Cai et al. 10.1029/2022JA031002
- Dynamics of field-aligned currents in two hemispheres during a magnetospheric storm from magnetogram inversion technique data V. Mishin et al. 10.12737/stp-71202104
- Nordlyset: Den himmelske danserinnen! A. Aksnes & K. Oksavik 10.18261/issn.1504-3118-2021-02-03-08
- The relationship between interhemispheric asymmetries in polar ionospheric convection and the magnetic field line footpoint displacement field K. Laundal et al. 10.3389/fspas.2022.957223
- Asymmetric Development of Auroral Surges in the Northern and Southern Hemispheres H. Uchida et al. 10.1029/2020GL088750
- Dynamics of the field-aligned currents distribution asymmetry during substorms in the equinox season V. Mishin et al. 10.12737/stp-71202105
- An Auroral Signature of the Duskside Boundary of the Cusp H. Feng et al. 10.1029/2022JA030634
- Evolution of IMF By induced asymmetries during substorms: Superposed epoch analysis at geosynchronous orbit A. Ohma et al. 10.3389/fspas.2022.958749
- DMSP Observations of High‐Latitude Dayside Aurora (HiLDA) L. Cai et al. 10.1029/2020JA028808
- Separation and Quantification of Ionospheric Convection Sources: 2. The Dipole Tilt Angle Influence on Reverse Convection Cells During Northward IMF J. Reistad et al. 10.1029/2019JA026641
- Observations of Asymmetric Lobe Convection for Weak and Strong Tail Activity A. Ohma et al. 10.1029/2019JA026773
- Predictors of Substorm Onset Conjugate Displacement S. Walker et al. 10.1029/2024JA033408
- Quantifying the Lobe Reconnection Rate During Dominant IMF By Periods and Different Dipole Tilt Orientations J. Reistad et al. 10.1029/2021JA029742
- Evolution of IMF By Induced Asymmetries: The Role of Tail Reconnection A. Ohma et al. 10.1029/2021JA029577
- Properties of AKR‐Like Emissions Recorded by the Low Altitude Satellite DEMETER During 6.5 Years M. Parrot et al. 10.1029/2022JA030495
5 citations as recorded by crossref.
- Dynamics of the field-aligned currents distribution asymmetry during substorms in the equinox season V. Mishin et al. 10.12737/szf-71202105
- The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001 N. Østgaard et al. 10.5194/angeo-36-1577-2018
- The Evolution of Long‐Duration Cusp Spot Emission During Lobe Reconnection With Respect to Field‐Aligned Currents J. Carter et al. 10.1029/2020JA027922
- Studying the dynamics of electric currents and polar caps in ionospheres of two hemispheres during the August 17, 2001 geomagnetic storm С. Лунюшкин et al. 10.12737/szf-52201903
- Studying the dynamics of electric currents and polar caps in ionospheres of two hemispheres during the August 17, 2001 geomagnetic storm С. Лунюшкин et al. 10.12737/stp-52201903
Latest update: 26 Jul 2025
Short summary
In this paper we take advantage of having two auroral imaging missions giving simultaneous data of both the southern and northern aurora. Combined with all available in situ measurements from space and global ground-based networks, we explore the asymmetric behavior of geospace. We find large auroral asymmetries and different reconnection geometry in the two hemispheres. During substorm expansion phase asymmetries are reduced.
In this paper we take advantage of having two auroral imaging missions giving simultaneous data...
