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Items where NERC Author is "Beggan, Ciaran"

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Number of items: 44.

Publication - Article

Beggan, Ciaran; Macmillan, Susan; Clarke, Ellen; Hamilton, Brian. 2014 Improving models of the Earth’s magnetic field for directional drilling applications. First Break, 32 (3). 53-60.

Beggan, Ciaran D.; Macmillan, Susan; Hamilton, Brian; Thomson, Alan W.P.. 2013 Independent validation of Swarm Level2 magnetic field products and 'Quick Look' for Level 1b data [in special issue: Swarm Science Data Processing and Products—the Swarm Satellite Constellation Application and Research Facility, SCARF ] Earth, Planets, Space, 65 (11). 1345-1353. 10.5047/eps.2013.08.004

Olsen, N.; Friis-Christensen, E.; Floberghagen, R.; Alken, P.; Beggan, Ciaran D.; Chulliat, A.; Doornbos, E.; da Encarnação, J. T.; Hamilton, Brian; Hulot, G.; von den IJssel, J.; Kushinov, A.; Lesur, V.; Lühr, H.; Macmillan, Susan; Maus, S.; Noja, M.; Olsen, P. E. H.; Park, J.; Plank, G.; Püthe, C.; Rauberg, J.; Ritter, P.; Rother, M.; Sabaka, T.; Schachtschneider, R.; Sirol, O.; Stolle, C.; Thébault, E.; Thomson, Alan W.P.; Tøffner-Clausen, L.; Velímský, J; Vigneron, P.; Visser, P. N. . 2013 The Swarm Satellite Constellation Application and Research Facility (SCARF) and Swarm data products [in special issue: Swarm Science Data Processing and Products—the Swarm Satellite Constellation Application and Research Facility, SCARF] Earth, Planets and Space, 65 (11). 1189-1200. 10.5047/eps.2013.07.00

Beggan, Ciaran; Thomson, Alan; Kelly, Gemma. 2013 Current crisis. Innovation International. 25-27.

Shore, R.M.; Whaler, K.A.; Macmillan, S.; Beggan, C.; Olsen, N.; Spain, T.; Aruliah, A.. 2013 Ionospheric midlatitude electric current density inferred from multiple magnetic satellites. Journal of Geophysical Research: Space Physics, 118 (9). 5813-5829. 10.1002/jgra.50491

Beggan, Ciaran; Beamish, David; Richards, Andrew; Kelly, Gemma; Thomson, Alan. 2013 Prediction of Extreme Geomagnetically Induced Currents in the UK high-voltage network. Space Weather, 11, SWE20065. 1-13. 10.1002/swe.20065

Beggan, Ciaran D.; Saarimaki, Jarno; Whaler, Kathryn A.; Simons, Frederik J.. 2013 Spectral and spatial decomposition of lithospheric magnetic field models using spherical Slepian functions. Geophysical Journal International, 193 (1). 136-148. 10.1093/gji/ggs122

Hamilton, Christopher W.; Beggan, Ciaran D.; Still, Susanne; Beuthe, Michael; Lopes, Rosaly M.C.; Williams, David A.; Radebaugh, Jani; Wright, William. 2013 Spatial distribution of volcanoes on Io: implications for tidal heating and magma ascent. Earth & Planetary Science Letters, 361. 272-286. 10.1016/j.epsl.2012.10.032

Pulkkinen, A.; Bernabeu, E.; Eichner, J.; Beggan, C.; Thomson, A.W.P.. 2012 Generation of 100-year geomagnetically induced current scenarios. Space Weather, 10 (4), S04003. 10.1029/2011SW000750

Finlay, C.C.; Maus, S.; Beggan, C.D.; Hamoudi, M.; Lowes, F.J.; Olsen, N.; Thébault, E.. 2010 Evaluation of candidate geomagnetic field models for IGRF-11. Earth Planets Space, 62 (10). 787-804. 10.5047/eps.2010.11.005

Beggan, Ciaran; Whaler, Kathy. 2010 Forecasting secular variation using core flows. Earth Planets Space, 62 (10). 821-828. 10.5047/eps.2010.07.004

Finlay, C.C.; Maus, S.; Beggan, C.D.; Bondar, T.N.; Chambodut, A.; Chernova, T.A.; Chuillat, A.; Golovkov, V.P.; Hamilton, B.; Hamoudi, M.; Holme, R.; Hulot, G.; Kuang, W.; Langlais, B.; Lesur, V.; Lowes, F.J.; Lühr, H.; Macmillan, S.; Mandea, M.; McLean, S.; Manoj, C.; Menvielle, M.; Michaelis, I.; Olsen, N.; Rauberg, J.; Rother, M.; Sabaka, T.J.; Tangborn, A.; Tøffner-Clausen, L.; Thébault, E.; Thomson, A.W.P.; Wardinksi, I.; Wei, Z.; Zvereva, T.I.. 2010 International Geomagnetic Reference Field: the eleventh generation. Geophysical Journal International, 183 (3). 1216-1230. 10.1111/j.1365-246X.2010.04804.x

McLay, S.A.; Beggan, C.D. 2010 Interpolation of externally-caused magnetic fields over large sparse arrays using Spherical Elementary Current Systems. Annales Geophysicae, 28. 1795-1805. 10.5194/angeo-28-1795-2010

Beggan, C.D.; Whaler, K.A.. 2009 Forecasting change of the magnetic field using core surface flows and ensemble Kalman filtering. Geophysical Research Letters, 36 (18), L18303. 10.1029/2009GL039927

Publication - Conference Item

Beggan, Ciaran D.. 2014 An automatic method for detection and classification of Ionospheric Alfvén Resonances using signal and image processing techniques. [Poster] In: EGU General Assembly 2014, Vienna, Austria, 28 Apr - 2 May 2014. European Geosciences Union. (Unpublished)

Clarke, Ellen; Kelly, Gemma; Beggan, Ciaran. 2014 Recent BGS activities: digitising and modelling with historical data and telluric measurements and analysis. [Lecture] In: SEREN workshop on geomagnetically induced currents , Edinburgh, UK, 5-6 March 2014. (Unpublished)

Beggan, Ciaran D.. 2014 Spectral analysis of regional main field and secular variation in CHAOS-4 using spherical Slepian functions. [Poster] In: RAS Specialist Meeting on Geomagnetic field dynamics and structure on timescales from minutes to decades , London, UK, 10 Jan 2014. (Unpublished)

Kelly, Gemma; Shanahan, Tom; Beggan, Ciaran; Thomson, Alan. 2013 Verifying GIC nowcast models with geo-electric field measurements. [Speech] In: European Space Weather Week 10, Antwerp, Belgium, 18-22 Nov 2013. (Unpublished)

Beggan, Ciaran D.; Boonma, Kittiphon; Kelly, Gemma; Thomson, Alan. 2013 Investigation of Pc1 pulsations using high frequency induction coils magnetometers. [Poster] In: European Space Weather Week 10, Antwerp, Belgium, 18-22 November 2013. (Unpublished)

Olsen, Nils; Alken, Patrick; Beggan, Ciaran; Chulliat, Arnaud; Doornbos, Eelco; Encarnacao, Joao; Floberghagen, Rune; Friis-Christensen, Eigil; Hamilton, Brian; Hulot, Gauthier; van den IJssel, Jose; Kuvshinov, Alexei; Lesur, Vincent; Luhr, Hermann; Macmillan, Susan; Maus, Stefan; Olsen, Poul Erik H; Park, Jaeheung; Plank, Gernot; Püthe, Christoph; Ritter, Patricia; Rother, Martin; Sabaka, Terence J; Stolle, Claudia; Thebault, Erwan; Thomson, Alan; Tøffner-Clausen, Lars; Velimsky, Jakub; Visser, Pieter. 2013 SCARF - The Swarm Satellite Constellation Application and Research Facility. [Poster] In: European Space Agency Living Planet Symposium 2013, Edinburgh, UK, 9-13 Sept 2013. (Unpublished)

Shore, Rob; Whaler, Kathy; Macmillan, Susan; Beggan, Ciaran; Olsen, Nils. 2013 A Decadal-Scale Eigen-Analysis of terrestrial magnetic data. [Poster] In: IAGA 12th Scientific Assembly , Merida, Mexico, 25-31 August 2013. (Unpublished)

Shore, Robert; Whaler, Kathy; Macmillan, Susan; Beggan, Ciaran; Olsen, Nils; Spain, Tim; Aruliah, Anasuya. 2013 Ionospheric midlatitude electric current density inferred from multiple magnetic satellites. [Poster] In: IAGA 12th Scientific Assembly , Merida, Mexico, 25-31 August 2013. (Unpublished)

Beggan, Ciaran; Whaler, Kathy. 2013 Application of spherical Slepian functions to aeromagnetic data and in crustal field modelling. [Poster] In: Aeromagnetic Interpretation; RAS Special Meeting, London, Piccadilly, London, 31 July 2013. British Geological Survey. (Unpublished)

Kelly, Gemma; Shanahan, Tom; Beggan, Ciaran; Swan, Anthony; Thomson, Alan. 2013 Early results from the UK Geo-Electric Field Monitoring Project. [Poster] In: The National Astronomy Meeting of the Royal Astronomical Society, St. Andrews, Scotland, 1-5 July 2013. (Unpublished)

Beggan, Ciaran; Allmark, Claire; Swan, Anthony; Flower, Simon; Thomson, Alan. 2013 Investigation of global lightning and the ionosphere using high frequency induction coils. [Poster] In: IAGA 12th Scientific Assembly , Merida, Mexico, 25-31 August 2013. (Unpublished)

Beggan, Ciaran; Allmark, Claire; Swan, Anthony; Flower, Simon; Thomson, Alan. 2013 Investigation of global lightning using Schumann resonances measured by high frequency induction coil magnetometers in the UK. [Poster] In: The National Astronomy Meeting of the Royal Astronomical Society, St. Andrews, Scotland, 1-5 July 2013. (Unpublished)

Beggan, Ciaran; Kelly, Gemma; Beamish, David; Thomson, Alan. 2013 Prediction of Extreme Geomagnetically Induced Currents in the UK high-voltage network. [Invited Paper] In: IET Extreme Electromagnetism, London, UK, 14 January 2013. (Unpublished)

Beggan, Ciaran D.; Thomson, Alan. 2013 Investigation of global lightning using Schumann resonances measured by high frequency induction coil magnetometers in the UK. [Poster] In: Royal Astronomical Society Specialist Meeting on Atmospheric and Space Science, London, UK, 11 Jan 2013. (Unpublished)

Thomson, Alan; Beggan, Ciaran; Kelly, Gemma. 2012 Ground-based magnetometer arrays and geomagnetically induced currents in power grids: science and operations. [Invited Paper] In: AGU Fall Meeting 2012, San Francisco, USA, 3-7 Dec 2012. American Geophysical Union. (Unpublished)

Beggan, Ciaran. 2012 Computation of GIC in the UK power grid. [Invited Paper] In: Royal Observatory Belgium, Belgium, 7 December 2012. (Unpublished)

Beggan, C.D.; McLay, S.A.. 2012 Interpolation of magnetic and electric fields using Spherical Elementary Current Systems. In: Ionospheric Radio Systems and Techniques 12th IET International Conference, York, UK, 15-17 May 2012. IEEE .

Beggan, Ciaran D.; McLay, Sam. 2012 Interpolation of electric and magnetic fields using Spherical Elementary Current Systems. [Poster] In: Ionospheric Radio Systems and Techniques 12th IET International Conference, York, UK, 15-17 May 2012. (Unpublished)

Hamilton, B.; Macmillan, S.; Beggan, C.; Thomson, A.; Turbitt, C.. 2011 Predicting the South Atlantic Anomaly. [Poster] In: Magnetic Relaxation 2012, Liverpool, UK, 4-5 Jan 2012. (Unpublished)

Macmillan, S.; Beggan, C.; Clarke, E.; Hamilton, B.; Thomson, A.; Turbitt, C.. 2011 Space weather impacts of the developing South Atlantic Anomaly. [Poster] In: RAS Specialist Meeting UK Study of the Earth’s Deep Interior, London, UK, 11 Nov 2011. (Unpublished)

Dawson, Ewan; Lowndes, Jonathan; Reddy, Pragna; Beggan, Ciaran. 2011 The British Geological Survey's new geomagnetic data web-service. [Poster] In: IUGG XXV General Assembly, Melbourne, Australia, 28 June - 7 July 2011. (Unpublished)

Dawson, Ewan; Macmillan, Susan; Humphries, Thomas; Beggan, Ciaran. 2011 A comparison of data holdings at World Data Centres for geomagnetism in Edinburgh and Kyoto. [Poster] In: IUGG XXV General Assembly, Melbourne, Australia, 28 June - 7 July 2011. (Unpublished)

Beggan, Ciaran; Saarimäki, Jarno; Simons, Frederik. 2011 Separation of oceanic and continental crustal field signatures using Slepian functions. [Poster] In: IUGG XXV General Assembly 2011, Melbourne, Australia, 28 June - 7 July 2011. (Unpublished)

Shore, Rob; Macmillan, Susan; Whaler, Kathy; Beggan, Ciaran. 2011 Applying Ampere's Law integral to Orsted and CHAMP overflights. [Poster] In: EGU General Assembly 2011, Vienna, Austria, 3-8 April 2011. (Unpublished)

Beggan, Ciaran; McLay, Sam. 2010 Interpolation of external magnetic fields over large sparse arrays using Spherical Elementary Current Systems. [Poster] In: RAS NAM 2010 with the UK Solar Physics and MIST Meetings, Glasgow, UK, 12-16 April 2010. (Unpublished)

Macmillan, Susan; Hamilton, Brian; Beggan, Ciaran; Thomson, Alan. 2009 Magnetic Field Modelling at the BGS and Readiness for Utilising Swarm Data. [Poster] In: Royal Astronomical Society SWARM Meeting, London, 9 October 2009. (Unpublished)

Beggan, Ciaran; Whaler, Kathy; Macmillan, Susan. 2009 Magnetic Field Forecasting using Virtual Observatories, Core Flow Modelling and Ensemble Kalman Filtering. [Poster] In: SWARM Meeting, RAS, London, 9 October 2009. (Unpublished)

Beggan, Ciaran; Whaler, Kathy; Macmillan, Susan. 2008 Core flow modelling from satellite-derived 'Virtual Observatories'. [Poster] In: EGU General Assembly 2008, Vienna, Austria, 14-18 April 2008. (Unpublished)

Output (Electronic)

Beggan, Ciaran. Does the compass truly point North? [Output (Electronic)]

Kelly, Gemma; Beggan, Ciaran. Realtime GIC modelling in the UK power grid. [Output (Electronic)]

This list was generated on Mon Apr 21 13:35:08 2014 BST.