120 citations
- University of BergenNO7 papers
- Max Planck Institute for Solar System ResearchDE5 papers
- University of LeicesterGB5 papers
- Johns Hopkins University Applied Physics LaboratoryUS3 papers
- Br. Birkeland (Norway)NO2 papers
- British Antarctic SurveyGB1 paper
- GFZ Helmholtz Centre for GeosciencesDE1 paper
- Norwegian University of Science and TechnologyNO1 paper
- Technical University of DenmarkDK1 paper
- University Centre in SvalbardSJ1 paper
- University Corporation for Atmospheric ResearchUS1 paper
- University of SouthamptonGB1 paper
6 papers · 2 filters
North-South Asymmetries in Earth's Magnetic Field: Effects on High-Latitude Geospace
K. M. Laundal, I. Cnossen, S. E. Milan +5
The solar-wind magnetosphere interaction primarily occurs at altitudes where the dipole component of Earth's magnetic field is dominating. The disturbances that are created in this…
Sunlight effects on the 3D polar current system determined from low Earth orbit measurements
Karl M. Laundal, Christopher C. Finlay, Nils Olsen
Interaction between the solar wind and the Earth's magnetosphere is associated with large-scale currents in the ionosphere at polar latitudes that flow along magnetic field lines (…
Birkeland current effects on high-latitude groundmagnetic field perturbations
K. M. Laundal, S. E. Haaland, N. Lehtinen +8
Magnetic perturbations on ground at high latitudes are directly associated only with the divergence-free component of the height-integrated horizontal ionospheric current, $\textbf…
What is the appropriate coordinate system for magnetometer data when analyzing ionospheric currents?
K. M. Laundal, J. W. Gjerloev
In this paper we investigate which coordinate representation is most appropriate when analyzing ground magnetometer data in terms of ionospheric currents, in particular the westwar…
Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF
J. P. Reistad, N. Østgaard, K. M. Laundal +5
In the exploration of global-scale features of the Earth's aurora, little attention has been given to the radial component of the Interplanetary Magnetic Field (IMF). This study in…
The impact of sunlight on high-latitude equivalent currents
K. M. Laundal, J. W. Gjerloev, N. Østgaard +6
Ground magnetic field measurements can be mathematically related to an overhead ionospheric equivalent current. In this study we look in detail at how the global equivalent current…