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A review of Birkeland current research using AMPERE

A review of Birkeland current research using AMPERE
A review of Birkeland current research using AMPERE

We review research into the Birkeland currents (also known as field-aligned currents) that has been conducted using the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE). We open with a short review of the history of research into the Birkeland current systems, before describing the conception of AMPERE and its roots in Iridium telecommunications satellite engineering telemetry data. We describe the difference between Iridium engineering telemetry data and AMPERE data, and review the work that has been done using both datasets. We review research into Regions 1 and 2 Birkeland current during geomagnetic storms and consequently the ways in which the currents are driven by the solar wind, before moving onto the substorm current wedge and discussing the present controversy over this phenomenon in AMPERE data. Ways in which AMPERE data can be used to examine ionospheric conductivity are detailed alongside ways in which AMPERE has contributed to empirical models of the coupled solar wind-magnetosphere- ionosphere system. Finally, we look to the future and speculate on the manner in which AMPERE may yet unlock the secrets of the magnetosphere.

Ampere, Birkeland currents, Field-aligned currents, Magnetic reconnection, Magnetosphere-ionosphere coupling, Solar wind, Substorms
257-278
Wiley
Coxon, John C.
566baea5-6a30-4855-bde3-a09c115efde4
Milan, Stephen E.
b6dd5367-b0c4-4f30-953a-f2d13078d656
Anderson, Brian J.
83afb235-d7a7-4c17-8151-f32fee334291
Coxon, John C.
566baea5-6a30-4855-bde3-a09c115efde4
Milan, Stephen E.
b6dd5367-b0c4-4f30-953a-f2d13078d656
Anderson, Brian J.
83afb235-d7a7-4c17-8151-f32fee334291

Coxon, John C., Milan, Stephen E. and Anderson, Brian J. (2018) A review of Birkeland current research using AMPERE. In, Electric Currents in Geospace and Beyond. Wiley, pp. 257-278. (doi:10.1002/9781119324522.ch16).

Record type: Book Section

Abstract

We review research into the Birkeland currents (also known as field-aligned currents) that has been conducted using the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE). We open with a short review of the history of research into the Birkeland current systems, before describing the conception of AMPERE and its roots in Iridium telecommunications satellite engineering telemetry data. We describe the difference between Iridium engineering telemetry data and AMPERE data, and review the work that has been done using both datasets. We review research into Regions 1 and 2 Birkeland current during geomagnetic storms and consequently the ways in which the currents are driven by the solar wind, before moving onto the substorm current wedge and discussing the present controversy over this phenomenon in AMPERE data. Ways in which AMPERE data can be used to examine ionospheric conductivity are detailed alongside ways in which AMPERE has contributed to empirical models of the coupled solar wind-magnetosphere- ionosphere system. Finally, we look to the future and speculate on the manner in which AMPERE may yet unlock the secrets of the magnetosphere.

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More information

e-pub ahead of print date: 31 March 2018
Published date: 17 April 2018
Keywords: Ampere, Birkeland currents, Field-aligned currents, Magnetic reconnection, Magnetosphere-ionosphere coupling, Solar wind, Substorms

Identifiers

Local EPrints ID: 424704
URI: https://eprints.soton.ac.uk/id/eprint/424704
PURE UUID: 8a3c1c9a-cdd8-40e8-a2f3-8de60ab4a1eb
ORCID for John C. Coxon: ORCID iD orcid.org/0000-0002-0166-6854

Catalogue record

Date deposited: 05 Oct 2018 11:41
Last modified: 03 Dec 2019 01:34

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Contributors

Author: John C. Coxon ORCID iD
Author: Stephen E. Milan
Author: Brian J. Anderson

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