Correlations Between Dispersive Alfvén Wave Activity, Electron Energization, and Ion Outflow in the Inner Magnetosphere
Correlations Between Dispersive Alfvén Wave Activity, Electron Energization, and Ion Outflow in the Inner Magnetosphere
复制标题
内磁层中色散阿尔文波活动、电子能量和离子流出之间的相关性
DOI:
10.1029/2020gl088985
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发表时间:
2020
影响因子:
5.2
通讯作者:
Reeves, G. D.
中科院分区:
文献类型:
--
作者:
Hull, A. J.;Chaston, C. C.;Bonnell, J. W.;Damiano, P. A.;Wygant, J. R.;Reeves, G. D.
Using measurements from the Van Allen Probes, we show that field‐aligned fluxes of electrons energized by dispersive Alfvén waves (DAWs) are prominent in the inner magnetosphere during active conditions. These electrons have preferentially field‐aligned anisotropies from 1.2 to2 at energies ranging from tens of electron volts to several kiloelectron volts (keV), with largest values being coincident with magnetic field dipolarizations. Comparisons reveal that DAW energy densities and Poynting fluxes are strongly correlated with precipitating electron energies and energy fluxes and also O+ion outflow energies. These observations yield empirical inner magnetosphere relations between the DAW and electron inputs and the O+ion outflow response, providing important constraints for models. They also suggest that DAWs play an important role in enhancing field‐aligned electron input into the ionosphere that facilitates the outflow and subsequent energization of O+ions in the wave fields into the inner magnetosphere.
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DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
細川敬祐;平木康隆;小川泰信;坂口歌織
通讯作者:
坂口歌織
影响因子:
5.2
作者:
C. Chaston;J. Bonnell;J. Wygant;F. Mozer;S. Bale;K. Kersten;A. Breneman;C. Kletzing;W. Kurth;G. Hospodarsky;Charles W. Smith;E. MacDonald
通讯作者:
C. Chaston;J. Bonnell;J. Wygant;F. Mozer;S. Bale;K. Kersten;A. Breneman;C. Kletzing;W. Kurth;G. Hospodarsky;Charles W. Smith;E. MacDonald
影响因子:
5.2
作者:
Damiano, P. A.;Chaston, C. C.;Johnson, J. R.
通讯作者:
Johnson, J. R.
DOI:
--
发表时间:
2005
期刊:
影响因子:
--
作者:
Yihua Zheng;T. Moore;F. Mozer;C. Russell;R. Strangeway
通讯作者:
R. Strangeway
DOI:
10.1029/169gm16
发表时间:
2013
期刊:
Geophysical monograph
影响因子:
--
作者:
C. Chaston
通讯作者:
C. Chaston