Aurora - Jones, A. V.

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Sommaire:
1. Introduction.- 1.1. Basic Ideas.- 1.2. Brief History of Auroral Studies.- 1.3. Aurora and the Magnetosphere.- 2. Techniques of Observation.- 2.1. Observations of Total Intensity.- 2.2. Spectroscopic Techniques.- 2.3. Particle Measurements.- 2.4. Radio Reflection Techniques.- 2.5. Magnetic Field Measurements.- 2.6. Other Observing Techniques.- 3. Occurrence and Morphology.- 3.0. Introduction.- 3.1. Occurrence of Visible Aurora.- 3.2. Individual Displays - Auroral Substorms.- 3.3. Detailed Morphology of Auroral Forms.- 3.4. Proton Aurora.- 3.5. Relation of Aurora to Solar Events.- 3.6. Magnetic Disturbances and Aurora.- 3.7. Relation Between Auroral Substorms and the Magnetosphere.- 3.8. Particle Fluxes in the Auroral Oval.- 4. Optical Emissions from Aurora.- 4.1. Optical Transitions and the Auroral Spectrum.- 4.2. Electron Aurora.- 4.3. Proton Aurora.- 5. Aurora and the Ionosphere.- 5.1. Auroral Ionization and Its Effects.- 5.2. Electrical Conductivity, Electric Fields and Currents.- 5.3. Heating Effects in Aurora.- 5.4. Reflection of Radio Waves from the Auroral Ionosphere.- 5.5. Radio Absorption.- 5.6. X-Rays from Auroral Electrons.- 5.7. Radio Emission from Aurora.- 5.8. Infrasonic Emission from Aurora.- 6. Mechanisms of Precipitation of Auroral Particles.- 6.0. Introduction.- 6.1. The Steady State Magnetosphere.- 6.2. Transient Effects and Substorms.- 6.3. Fine Structure of Auroral Precipitation.- 6.4. Conclusion.- Appendices.- 2A. Use of Filter Photometers for Measurement of Absolute Total Intensity of Emission Bands.- 3A. Geomagnetic Latitude and Time.- 3B. Magnetic Disturbance Indices.- 6A. Trajectories of Particles Trapped in a Dipole Field.- References.