Bibliography



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Found 3 entries in the Bibliography.


Showing entries from 1 through 3


2017

North—south asymmetries in earth’s magnetic field

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 interaction propagate along magnetic field lines and interact with the ionosphere–thermosphere system. At ionospheric altitudes, the Earth’s field deviates significantly from a dipole. North–South asymmetries in the magnetic field imply that the magnetosphere–ionosphere–thermosphere (M–I–T) coupling is different in the two hemispheres. In this paper we review the primary differences in the magnetic field at polar latitudes, and the consequences that these have for the M–I–T coupling. We focus on two interhemispheric differences which are thought to have the strongest effects: 1) A difference in the offset between magnetic and geographic poles in the Northern and Southern Hemispheres, and 2) differences in the magnetic field strength at magnetically conjugate regions. These asymmetries lead to differences in plasma convection, neutral winds, total electron content, ion outflow, ionospheric currents and auroral precipitation.

Laundal, Karl; Cnossen, Ingrid; Milan, Stephen; Haaland, SE; Coxon, John; Pedatella, NM; Förster, Matthias; Reistad, Jone;

Published by: Space Science Reviews      Published on:

YEAR: 2017     DOI: 10.1007/s11214-016-0273-0

2010

Interhemispheric observations of emerging polar cap asymmetries

Laundal, K.; Ostgaard, N.; Snekvik, K.; Frey, H.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2010

YEAR: 2010     DOI: 10.1029/2009JA015160

Auroral imaging as a tracer of global magnetospheric dynamics

Recent observations from simultaneous imaging in two hemispheres have shown that the polar caps can attain considerably different shapes as the auroral ovals contract during

Laundal, Karl;

Published by:       Published on:

YEAR: 2010     DOI:



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