HYDROMAGNETIC WAVES AND THE TRAPPED RADIATION. PART 2. DISPLACEMENTS OF THE MIRROR POINTS
Journal Article
·
· J. Geophys. Research
Theoretical estimates on the nature of hydromagnetic waves in the magnetosphere are reviewed. The calculations of part 1 are applicable near the inner Van Allen belt. The magnetic moment of a fast proton may change significantly in one day. After the mirror point of a proton injected within the belt is raised or lowered by at most a few hundred kilometers, the magnetic moment remains constant. A stationary velocity-dependent distribution of mirror points is established. The existence and finite spatial extent of the inner Van Allen belt are associated with the peak in the hydromagnetic-wave velocity in that region. Results indicate that mirror points of protons above the belt are continuously lowered into the atmosphere. The disappearance of the Argus electrons during a geomagnetic storm is discussed. (auth)
- Research Organization:
- National Aeronautics and Space Administration, Washington, D.C.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-012338
- OSTI ID:
- 4078011
- Journal Information:
- J. Geophys. Research, Journal Name: J. Geophys. Research Vol. Vol: 66
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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