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Secular Variation
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Geomagnetic Secular Variation and Earth's Core Dynamics - Edward Bullard Lecture
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- 1 Intro
- 2 Acknowledgements
- 3 Outline
- 4 Secular Variation
- 5 Data
- 6 Quantities
- 7 Historical Data
- 8 Holocene Magnetic Field
- 9 Summary
- 10 Field Strength
- 11 Field Morphology
- 12 Recent Work
- 13 Questions
- 14 Seismic Geodesy
- 15 Torsional oscillations
- 16 The link between the cylinders
- 17 Fluid motions as a function of time
- 18 Field strength in the core
- 19 Ongoing work
- 20 Magnetic Induction Equation
- 21 Data assimilation
- 22 The adjoint method
- 23 The importance of magnetic induction
- 24 Neutron star induction
- 25 Initial condition
- 26 An adjoint method
- 27 Field modes
- 28 adjoint problem
- 29 Isosurface
- 30 Summary Questions
