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《Chinese Journal of Geophysics》 2010-12
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The analysis and forecast of the penetration of >0.3 MeV electrons to the slot region in radiation belt

CHEN Wen-Lei, XIE Lun~*Institute of Space Physics and Applied Technology , Peking University , Beijing 100871, China  
Based on the observations of 0. 3 MeV electrons from the polar orbit satellite NOAA/POES during 1996~2006, the characteristics of 0. 3 MeV electrons penetrating into the slot region in radiation belt were studied. By comparing the property of high energy electrons penetration to the interplanetary condition, solar activity and geomagnetic disturbance, it is found that 0. 3 MeV electron penetration always takes place during magnetic storms. Also, the incidence of electron penetration has a correlation with solar activity cycle. In particular, analysis of the correlation between 0. 3 MeV electron flux in the slot region and Dst index indicates that we can use Dst index to calculate the electron flux. In that case, we can establish a model to forecast the penetration of 0. 3 MeV electrons to the slot region in radiation belt.
【Fund】: 国家自然科学基金项目(40974080 40636031)资助
【CateGory Index】: P353
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【Co-citations】
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