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  • NAM2019
    • Registration
    • Key Dates & Outline Schedule
    • Practical Information
    • Exhibitors
    • Grants & Bursaries
    • Contacts
  • Science
    • Science Programme
    • Parallel Sessions
    • Plenary Talks
    • Community Session
    • Special Lunches
    • Posters
    • Presenter Guidelines
  • Social
    • What's On
    • Welcome Reception
    • RAS Awards Dinner
  • Media
  • Outreach
    • Outreach and Education Day
    • Fringe Event
    • School Visit Day
  • Lancaster
    • Travel
    • Accommodation
    • Childcare
    • Campus Map
    • About Lancaster
    • Code of Conduct

Poster

id
Bifurcating Region 2 Currents Associated with Substorms
MISTGeneral
Harneet
Sangha
Date Submitted
2019-03-15 15:39:07
University of Leicester
H. Sangha, S. E. Milan, J. A. Carter, A. R. Fogg, B. J. Anderson, H. Korth, L. J. Paxton
We use the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) to study the variability of the magnetosphere-ionosphere (MI) field-aligned currents (FACs) associated with substorms. We report on a new phenomenon that has been observed with AMPERE: the formation of an additional region 2 (R2) current, predominantly in the dusk sector. Such events are associated with substorm onset, hence we propose that this new R2 FAC is formed by plasma injections into the inner magnetosphere during the substorm expansion phase. In this talk, we focus on the interhemispheric conjugacy, or otherwise, of the observed FACs, and on the seasonal dependence of the conjugacy, for the years 2010 to 2016.

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