Ellen Clarke

Ellen ClarkeGeomagnetism scientist and project leader

Location: Edinburgh

Tel: 0131 6500233

E-mail Ellen Clarke


  • 2003–present: Leader of the BGS real time geomagnetic services projects
  • 1997–present:  Management of geomagnetic observatory data processing
  • 1995–present: Development of the application of geomagnetism for directional drilling
  • 1994–1998: BSc Open University, Subjects in Physics, Applied Mathematics and Earth Sciences
  • 1993–present: Space weather research and development of the BGS space weather services
  • 1990–1993: HND Edinburgh Napier University, Mathematics, Operational Research and Statistics
  • 1988–present: Geomagnetic observatory data processing and analysis, BGS, Geomagnetism team

Research interests

  • Geomagnetism
  • Space Weather
  • Applications of geomagnetic and space weather science
  • Historical data rescue and long-term trends in geomagnetic data


  • Geomagnetic observatory data processing and analysis
  • Computer programming (FORTRAN, UNIX shell scripts) for data processing and scientific research
  • Project and people management

Current projects and collaboration

  • Project leader for Interpolation In-Field Referencing – a geomagnetism application for directional drilling
  • Delivery of quasi-absolute observatory data in near real time
  • Production of K indices from Port Stanley and Ascension Island BGS observatories
  • Digitisation of analogue records from historical UK magnetic observatories
  • Carrington Solar Flare of Sept 1859 - analysis using worldwide geomagnetic records
  • Analysis of the aa index series – an IAGA (V.DAT working group) activity

Published outputs

Key Papers

CLILVERD M A, CLARKE E, ULICH T, RISHBETH H and JARVIS M J (2006) Predicting Solar Cycle 24 and beyond, AGU Space Weather, 4, S09005

THOMSON A W P, McKAY A J, CLARKE E and REAY S (2005) Surface Electric Fields and Geomagnetically Induced Currents in the Scottish Power Grid during the 30th October 2003 Geomagnetic Storm, AGU Space Weather 3, S11002

CLILVERD M A, CLARKE E, ULICH T, LINTHE J and RISHBETH H (2005) Reconstructing the long-term aa index. J. Geophys. Res. 110, A07205

REAY S J, ALLEN W, BAILLIE O, BOWE J, CLARKE E, LESUR V and MACMILLAN S (2005) Space weather effects on drilling accuracy in the North Sea, Annales Geophysicae, 23, 3081–3088

CLILVERD M A, CLILVERD E, RISHBETH H, CLARK T D G, and ULICH T (2003) Solar Activity Levels in 2100. Astronomy and Geophysics, 44, 5.20.

RISHBETH M A, CLARK T D G, CLARKE E, RISHBETH H and ULICH T (2002) The causes of long-term change in the aa index. J. Geophys. Res. 107, A12, 1441

CLARKE E, (2001) Real Time Monitoring of Global Magnetic Activity: The Apest Index.  ESA Workshop on Space Weather. ESTEC, Noordwijk, Netherlands, 14th – 16th December 2001.

See also