Articles | Volume 39, issue 3
https://doi.org/10.5194/angeo-39-461-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-39-461-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Regular paper
| 
18 May 2021
Regular paper |
| 18 May 2021
| 18 May 2021
Attenuation of plasmaspheric hiss associated with the enhanced magnetospheric electric field
Institute of Space Science and Technology, Nanchang University,
Nanchang, China
Center for Space Physics, Boston University, Boston, MA, USA
Center for Space Physics, Boston University, Boston, MA, USA
Qianli Ma
Department of Atmospheric and Oceanic Sciences, University of
California, Los Angeles, CA, USA
Center for Space Physics, Boston University, Boston, MA, USA
Yukitoshi Nishimura
Center for Space Physics, Boston University, Boston, MA, USA
Zhigang Yuan
School of Electronic Information, Wuhan University, Wuhan, China
Alex J. Boyd
New Mexico Consortium, Los Alamos, NM, USA
Space Sciences Department, The Aerospace Corporation, Chantilly, VA,
USA
Xiaochen Shen
Center for Space Physics, Boston University, Boston, MA, USA
Rongxin Tang
Institute of Space Science and Technology, Nanchang University,
Nanchang, China
Xiaohua Deng
Institute of Space Science and Technology, Nanchang University,
Nanchang, China
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Short summary
We report an event where hiss wave intensity decreased, associated with the enhanced convection and a substorm. We suggest that the enhanced magnetospheric electric field causes the outward and sunward motion of energetic electrons. This leads to the decrease of energetic electron fluxes on the duskside, which provide free energy for hiss amplification. The study reveals the important role of magnetospheric electric field in the variation of the energetic electron flux and hiss wave intensity.
We report an event where hiss wave intensity decreased, associated with the enhanced convection...
