Dr Ciaran Beggan

Dr Ciaran Beggan


Location: BGS Edinburgh

Tel: 0131 6500 237

E-mail Dr Ciaran Beggan

ORCID: 0000-0002-2298-0

Published outputs


  • 2009 – ongoing : Geophysicist
  • 2009 : PhD University of Edinburgh, Geophysics
  • 2004 : MSc University of Heriot Watt, Applied Mathematics
  • 2001 –2005 : Systems Engineer, Selex Airborne Sensors
  • 2000 : MSc University of Edinburgh, Remote Sensing and Image Processing
  • 1999 : BSc University College, Dublin, Geology


  • 2005 : Chartered Engineer, UK Engineering Council

Current projects and collaboration

Professional association

  • Fellow of the Royal Astronomical Society (RAS)
  • Member of the Institution of Engineering and Technology (IET)

Research interests

  • Geomagnetism: Core Field and lithospheric modelling
  • Geomagnetism: Space weather risk and impacts, Geomagnetically Induced Currents


  • Geophysical / computational modelling
  • Programming: Matlab, Python, FORTRAN

Key papers

Thebault, E, Finlay, C C, and Beggan, C D, IGRF team. 2015. International Geomagnetic Reference Field: the 12th generation, Earth Planets and Space, 67, 79, doi:10.1186/s40623-015-0228-9

Whaler, K, and Beggan, C. 2015. Core Flow modelling using acceleration, Journal of Geophysical Research Solid Earth , 120, 1400–1414, doi:10.1002/2014JB011697

Beggan, C, Macmillan, S, Clarke, E, and Hamilton, B. 2014. Improving models of the Earth’s magnetic field for directional drilling applications, First Break , 32(3), 53 – 60

Beggan, C, Beamish, D, Kelly, G S, Richards, A, and Thomson, A W P. 2013. A Physical Model of Geomagnetically Induced Currents in the United Kingdom's National Grid, Space Weather, 11, doi: 10.1002/swe.20065

Beggan, C, Macmillan, S, Hamilton, B, and Thomson, A W P. 2013. Independent Validation of Swarm Level2 Magnetic Field Products and 'Quick Look' for Level1b data, Earth Planets and Space, 65 (11), 1345-1353, doi:10.5047/eps.2013.08.004

Beggan, C, Saarimaki, J, Whaler, K, and Simons, F. 2013. Spectral and spatial decomposition of lithospheric magnetic field models using spherical Slepian functions, Geophysical Journal International, 193, 136-148, doi: 10.1093/gji/ggs122

  • Beggan, C D, and Marple, S R. 2016. Space Weather goes to Schools, Astronomy & Geophysics, 57, 2.24-2.26