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Ionospheric and Magnetospheric Methods for Magnetic Field Calculation at Low Latitudes

Explore two methods for estimating the magnetic field at low latitudes - one focusing on ionospheric and vertical currents, the other on magnetospheric contributions. Learn about the seasonal variations, real-event simulations, and more.

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Ionospheric and Magnetospheric Methods for Magnetic Field Calculation at Low Latitudes

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Presentation Transcript

  1. Two methods Test of magnetic field calculation

  2. Ionospheric and vertical currentsFirst CCMC run

  3. Estimated magnetic field at swarm altitudesCCMC run 1

  4. Estimated magnetic field at swarm altitudesCCMC run 1

  5. B-field contribution from magnetospheric large scale currents

  6. Magnetospheric current contributionfor positive and negative IMF Bz

  7. Magnetic field at low latitudes Bz~5 nT

  8. Magnetic field at low latitudes Bz~5 nT Bz~1 nT Bz~-2 nT

  9. Seasonal variation of current density

  10. Current density north/southReal event simulation

  11. Estimated B-field north/southReal event simulation

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