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首页> 外文期刊>Journal of geophysical research >Analysis of trends between solar wind velocity and energetic electron fluxes at geostationary orbit using the reverse arrangement test
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Analysis of trends between solar wind velocity and energetic electron fluxes at geostationary orbit using the reverse arrangement test

机译:Analysis of trends between solar wind velocity and energetic electron fluxes at geostationary orbit using the reverse arrangement test

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摘要

A correlation between solar wind velocity (VSW) and energetic electron fluxes (EEF) at the geosynchronous orbit was first identified more than 30 years ago. However, recent studies have shown that the relation between VSW and EEF is considerably more complex than was previously suggested. The application of process identification technique to the evolution of electron fluxes in the range 1.8 - 3.5 MeV has also revealed peculiarities in the relation between VSW and EEF at the geosynchronous orbit. It has been revealed that for a constant solar wind density, EEF increase with VSW until a saturation velocity is reached. Beyond the saturation velocity, an increase in VSW is statistically not accompanied with EEF enhancement. The present study is devoted to the investigation of saturation velocity and its dependency upon solar wind density using the reverse arrangement test. In general, the results indicate that saturation velocity increases as solar wind density decreases. This implies that solar wind density plays an important role in defining the relationship between VSW and EEF at the geosynchronous orbit. Citation: Aryan, H., R. J. Boynton, and S. N. Walker (2013), Analysis of trends between solar wind velocity and energetic electron fluxes at geostationary orbit using the reverse arrangement test, J. Geophys. Res. Space Physics, 118, 636-641, doi:10.1029/2012JA018216.

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