Roles of electrons and ions in formation of the current in mirror-mode structures in the terrestrial plasma sheet: Magnetospheric Multiscale observations

Wang, Guoqiang; Zhang, Tielong; Wu, Mingyu; Schmid, Daniel; Hao, Yufei; Volwerk, Martin

doi:https://doi.org/10.5194/angeo-38-309-2020

Articles | Volume 38, issue 2

https://doi.org/10.5194/angeo-38-309-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/angeo-38-309-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 38, issue 2

Regular paper

|

10 Mar 2020

Regular paper |

| 10 Mar 2020

Roles of electrons and ions in formation of the current in mirror-mode structures in the terrestrial plasma sheet: Magnetospheric Multiscale observations

Guoqiang Wang, Tielong Zhang, Mingyu Wu, Daniel Schmid, Yufei Hao, and Martin Volwerk

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Final revised paper (published on 10 Mar 2020)
Preprint (discussion started on 07 Nov 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee comment', Anonymous Referee #1, 13 Dec 2019
- AC1: 'Response to Reviews--RC1', Tielong Zhang, 21 Jan 2020
RC2: 'referee's report', Anonymous Referee #2, 18 Dec 2019
- AC2: 'Response to Reviews--RC2', Tielong Zhang, 21 Jan 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish as is (02 Feb 2020) by Nick Sergis

AR by Tielong Zhang on behalf of the Authors (09 Feb 2020) Author's response Manuscript

Short summary

Currents are believed to exist in mirror-mode structures and to be self-consistent with the magnetic field depression. Bipolar currents are found in two ion-scale magnetic dips. The bipolar current in a small-size magnetic dip is mainly contributed by electron velocities, which is mainly formed by the magnetic gradient–curvature drift. For another large-size magnetic dip, the bipolar current is mainly caused by an ion bipolar velocity, which can be explained by the ion drift motions.