THE EFFECT OF THE EARTH MAGNETIC FIELD'S LONG-TERM CHANGES ON THE CALCULATION OF PROTON FLUX IN THE RADIATION BELTS
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摘要: 用不同年代的国际地磁参考场(IGR)模式及最新的辐射带粒子通量模式,计算了低高度上空间某点的辐射带质子通量随时间的变化,讨论了地磁场的长期变化对L-B坐标及辐射带带电粒子通量计算的影响,对正确使用地磁场模式计算磁壳参量L及辐射带粒子通量模式给予了说明和建议.Abstract: In this paper, the changes of proton's fluxes for a certain posihon in the low altitude are caiculatal using IGRF magnetic field models with epoch from l945 to l990 and the latest trapped radiation model AP8MAX, and the effects of magnetic field's long-term changes on L, B /B0 are discussed.The correct methods to calculate L, B /B0 and the correct usage of trapped radiation belt models together with IGRF magnetic field models are recommended and discussed.
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Key words:
- IGRF magnetic field model /
- Trapped radiation belt /
- Flux
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