Radiation belt analysis and modeling. Final report, April 1990-May 1995
Efforts have been conducted in modeling of radiation belts and cosmic radiation principally in connection with the CRRES mission. Statistical studies of solar particle events have been conducted in a search for predictors of the occurrence of geomagnetic storms. Certain spectral and temporal properties of protons and electrons were found to correlate with the occurrence of storms. Comparative studies of solar proton fluxes observed at locations inside (using CRRES and GOES-7) and outside (using INP-8) the inner magnetosphere were performed in an attempt to measure penetration of solar protons to various L shells as functions of time during a proton event and the subsequent magnetic storm. The failure to observe large increases in proton fluxes at the sudden commencement of the great magnetic storm of March, 1991, indicates a magnetospheric process was involved. An attempt was made to model the acceleration of radiation belt protons by magnetospheric compression during this event. The access of Helium into the inner magnetosphere was studied during this event. Modeling of instrument contamination and dosage were performed to enhance interpretation of measurements by the Proton Telescope and the Space Radiation Dosimeter.
- Research Organization:
- Radex, Inc., Bedford, MA (United States)
- OSTI ID:
- 273146
- Report Number(s):
- AD-A--305876/5/XAB; RXR--95051; CNN: Contract F19628-90-C-0090
- Country of Publication:
- United States
- Language:
- English
Similar Records
Radiation belt dynamic and quasi-static modeling based on CRRES data. Final report, 1 May 1990-30 June 1994
Double-peaked inner radiation belt: Cause and effect as seen on CRRES. (Reannouncement with new availability information)