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Ground Magnetic Perturbations

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Ground Magnetic Perturbations

dBdt, delta-B, GICs, FACs

Team Leads:
Primary: D. Welling
(U. of Michigan), H. Opgenoorth (Swedish Institute of Space Physics), C.Ngwira (CCMC) (email team leads/forum organizers to be added to the team)

Draft list of initial participants: M. Cash (NOAA/SWPC) TBC, C. Ngwira (CCMC), L. Rastaetter (CCMC), M. Kuznetsova (CCMC), I. Honkonen (CCMC), H. Singer (NOAA/SWPC), G. Millward (NOAA/SWPC), C. Balch (NOAA/SWPC), G. Toth (U. of Michigan), Lee-Anne McKinnell (SANSA), L. Rosenqvist (Swedish Institute of Space Physics), representatives of LWS GIC Institute (A. Pulkkinen, TBC)
Communications: (mailing list)


This working group will be focused on studying ground magnetic field perturbations and the ability of global geospace models to reproduce and predict it.

User Needs

Working Team Goals

    To improve the SWPC-CCMC dB/dt validation challenge by expanding on the work of Pulkkinen et al., (Space Weather, 2013).

Working Team Deliverables

  • Define procedure for providing error bars
  • Define metric for auroral boundary locations
  • Provide guidelines on thresholds determination in models.

Parameters and Metrics for Model Validation

  • dB/dt, delta-B, geoelectric fields/GICs, auroral boundary locations, and FACs.

Preliminary Event List

  • August 31 – September 1, 2001
  • October 29-31, 2003
  • August 31- September 1, 2005
  • December 14-16, 2006
  • April 5, 2010
  • August 5- 6, 2011

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