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Ground Effects Topical Group Includes (but is not limited to) activities such as  Modelling the occurrence of geomagnetic variations and geoelectric fields during space weather events  Modelling GIC in electric power systems (discrete earthings)

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  • Ground Effects Topical Group

  • Includes (but is not limited to) activities such as

  •  Modelling the occurrence of geomagnetic variations and geoelectric fields during space weather events

  •  Modelling GIC in electric power systems (discrete earthings)

  •  Modelling GIC in buried pipeline networks (continuous earthing)

  •  Measurements of geomagnetic variations, geoelectric fields and GIC

  •  Development of forecast techniques of GIC based on neural networks or on physical models

  •  Collaboration with power and pipeline industry on GIC research

  • Advice on and forecast of geomagnetic activity to users, such as oil drilling and prospecting industry and aeromagnetic survey enterprises

  • Stated aim is to expand group activities to encourage wider scientific collaborations

    • E.g., post-ESWW, the group has discussed (by email) jointly exploiting world archives of magnetic data, for example to look again at the ‘Carrington event’ of 1859.


  • Reports/Work-in-Progress at the 2007 ESWW

  • GETG Web Activities

  • Home Site update (Magnus Wik, Sweden) – next slide

  • Created/edited Wikipedia articles on ‘Space Weather’ and ‘GIC’ – next slide

  • GETG and Engineering Conferences/Journals

  • Risto Pirjola – ‘EUROEM 2008’ + discussion on outreach to industry

  • Space situational awareness, GETG and the SWWT

  • Led by Mike Hapgood (Chair SWWT) + discussion on FP7 opportunities

  • Reports on new research work and publications (2006-2007)

    • Alan Thomson (UK) – New PhD study for UK grid risk, South Africa GIC workshop planned

    • Larisa Trichtchenko (Canada) – Outreach activities at North America, including industry conferences

    • Pavel Hejda (CZ) – Study of pipeline GIC in Czech Republic gas network

    • Jurgen Watermann (DMI) – DMI concentrating now on data collection and remote sensing, not space physics

    • Risto Pirjola (FMI) – Active GIC collaborations e.g. with Brazil, Sweden, …



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