Items where NERC Author is "Beggan, Ciaran"

2024

Orr, Lauren ORCID: https://orcid.org/0000-0002-8257-1362; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Brown, William ORCID: https://orcid.org/0000-0001-9045-9787. 2024 A regional space weather hazard variation index utilising Swarm FAST data [in special issue: Topical Issue - Swarm 10-Year Anniversary] Journal of Space Weather and Space Climate., 14, 30. https://doi.org/10.1051/swsc/2024033

Kuslits, Lukács; Horváth, András; Wesztergom, Viktor; Beggan, Ciaran; Rubóczki, Tibor; Prácser, Ernő; Czirok, Lili; Bozsó, István; Lemperger, István. 2024 An alternate representation of the geomagnetic core field obtained using machine learning. Earth, Planets and Space, 76 (1), 77. https://doi.org/10.1186/s40623-024-02024-5

Beggan, C.D.; Clarke, E.; Lawrence, E.; Eaton, E.; Williamson, J.; Matsumoto, K.; Hayakawa, H.. 2024 Digitized continuous magnetic recordings for the August/September 1859 storms from London, UK. Space Weather, 22 (3), e2023SW003807. https://doi.org/10.1029/2023SW003807

Livermore, Phil; Brown, William; Beggan, Ciaran; Gubbins, David. 2024 Geomagnetic twin satellites MSS-1: progress and future plans. Astronomy & Geophysics, 65 (1). 1.33-1.37. https://doi.org/10.1093/astrogeo/atae009

Huebert, J. ORCID: https://orcid.org/0000-0003-0526-5609; Beggan, C.D.; Richardson, G.S.; Gomez-Perez, N.; Collins, A.; Thomson, A.W.P.. 2024 Validating a UK geomagnetically induced current model using differential magnetometer measurements. Space weather, 22 (2), e2023SW003769. https://doi.org/10.1029/2023SW003769

Patterson, Cameron J.; Wild, James A.; Beggan, Ciaran D.; Richardson, Gemma S.; Boteler, David H.. 2024 Modelling electrified railway signalling misoperations during extreme space weather events in the UK. Scientific Reports, 14 (1), 1583. https://doi.org/10.1038/s41598-024-51390-3

Hodnett, R.M.; Yeoman, T.K.; Beggan, C.D.; Wright, D.M.. 2024 Modeling and Observations of the Effects of the Alfvén Velocity Profile on the Ionospheric Alfvén Resonator. Journal of Geophysical Research: Space Physics, 129 (1), e2023JA032308. https://doi.org/10.1029/2023JA032308

Huebert, J.; Eaton, E.; Beggan, C.D.. 2024 Developing a new ground electric field model for the UK based on long-period magnetotelluric data for the SWIMMR N4 (SAGE) framework. Edinburgh, UK, British Geological Survey, 42pp. (OR/24/022) (Unpublished)

2023

Hodnett, R.M.; Yeoman, T.K.; Beggan, C.D.; Wright, D.M.. 2023 Climatology of the harmonic frequency separation of ionospheric Alfvén Resonances at Eskdalemuir Observatory, UK. Journal of Geophysical Research: Space Physics, 128 (6), e2023JA031541. https://doi.org/10.1029/2023JA031541

Chaudhry, S.; Chapman, S.C.; Gjerloev, J.; Beggan, C.D.. 2023 Global Dynamical Network of the Spatially Correlated Pc2 Wave Response for the 2015 St. Patrick's Day Storm. Journal of Geophysical Research: Space Physics, 128 (5), e2022JA031175. https://doi.org/10.1029/2022JA031175

Florczak, Ewelina; Beggan, Ciaran D.; Whaler, Kathryn A.. 2023 The predictive power of magnetospheric models for estimating ground magnetic field variation in the United Kingdom. Frontiers in Astronomy and Space Sciences, 10, 1095971. https://doi.org/10.3389/fspas.2023.1095971

Beggan, Ciaran D.; Eaton, Eliot; Maume, Eleanor; Clarke, Ellen; Williamson, John; Humphries, Thomas. 2023 Digitizing UK analogue magnetogram records from large geomagnetic storms of the past two centuries. Geoscience Data Journal, 10 (1). 73-86. https://doi.org/10.1002/gdj3.151

Wu, Xiaoyang; Baptie, Brian; Huebert, Juliane; Beggan, Ciaran. 2023 Reviewing the relations of seismic velocities and electrical resistivity with the temperature of high-enthalpy geothermal reservoirs with an example from an East African rift volcano. Nottingham, UK, British Geological Survey, 30pp. (OR/23/030) (Unpublished)

Beggan, C.D.; Eastwood, J.; Forsyth, C.; Freeman, M. ORCID: https://orcid.org/0000-0002-8653-8279; Heyns, M.; Huebert, J.; Richardson, G.S.; Smith, A.. 2023 SAGE : final report on the AWS nowcast and forecasting system and research advances. Nottingham, UK, British Geological Survey, 55pp. (OR/24/013) (Unpublished)

National Centers for Environmental Information (U.S.), British Geological Survey. 2023 State of the Geomagnetic Field. National Centers for Environmental Information (U.S.), 21pp.

Huebert, J. ORCID: https://orcid.org/0000-0003-0526-5609. 2023 A magnetotelluric experiment around St. Austell, Cornwall. Edinburgh, UK, British Geological Survey, 48pp. (OR/23/031) (Unpublished)

2022

Iyer, Aranya; Benitez-Paez, Fernando; Brum-Bastos, Vanessa; Beggan, Ciaran D.; Demšar, Urška; Long, Jed A.. 2022 Spatial-temporal interpolation of satellite geomagnetic data to study long-distance animal migration. Ecological Informatics, 72, 101888. https://doi.org/10.1016/j.ecoinf.2022.101888

Wang, Guanren ORCID: https://orcid.org/0000-0001-9563-8864; Beggan, Ciaran D. ORCID: https://orcid.org/0000-0002-2298-0578; Turbitt, Christopher ORCID: https://orcid.org/0000-0003-4338-3884. 2022 Merging fluxgate and induction coil data collected from Eskdalemuir geophysical observatory to produce low-noise, one-second data. Edinburgh, UK, British Geological Survey, 23pp. (IR/22/020) (Unpublished)

Madsen, Frederik Dahl; Beggan, Ciaran D.; Whaler, Kathryn A.. 2022 Forecasting changes of the magnetic field in the United Kingdom from L1 Lagrange solar wind measurements. Frontiers in Physics, 10. https://doi.org/10.3389/fphy.2022.1017781

Beggan, C.D.; Reay, S.; Baillie, O.; Huebert, J.; Lyon, R.; Martyn, T.; Parrianen, J.. 2022 Closing the gap: reducing inter-observatory distance to <300 km across the UK and Ireland. [Poster] In: European Space Weather Week, Zagreb, Croatia, 24-28 Oct 2022. (Unpublished)

Smith, A.W.; Forsyth, C.; Rae, I.J.; Garton, T.M.; Jackman, C.M.; Bakrania, M.; Shore, R.M. ORCID: https://orcid.org/0000-0002-8386-1425; Richardson, G.S.; Beggan, C.D.; Heyns, M.J.; Eastwood, J.P.; Thomson, A.W.P.; Johnson, J.M.. 2022 On the considerations of using near real time data for space weather hazard forecasting. Space Weather, 20 (7), e2022SW003098. 20, pp. https://doi.org/10.1029/2022SW003098

Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Gomez Perez, Natalia ORCID: https://orcid.org/0000-0001-7751-2686; Hammer, Magnus ORCID: https://orcid.org/0000-0003-0717-1526; Finlay, Chris ORCID: https://orcid.org/0000-0002-4592-2290; Hulot, Gauthier ORCID: https://orcid.org/0000-0001-8011-3096. 2022 Geomagnetic Virtual Observatories for investigating sub-annual core field variation. [Poster] In: Living Planet Symposium 2022 : taking the pulse of our planet from space : European Space Agency, Bonn, Germany, 23-27 May 2022. (Unpublished)

Beggan, Ciaran D.. 2022 Evidence‑based uncertainty estimates for the International Geomagnetic Reference Field. Earth, Planets and Space, 74, 17. https://doi.org/10.1186/s40623-022-01572-y

Huebert, J.; Eaton, E.; Beggan, C.D.. 2022 Developing a UK new ground electric field model for SWIMMR N4 (SAGE) : interim report. Edinburgh, UK, British Geological Survey, 43pp. (OR/22/067) (Unpublished)

2021

Florczak, Ewelina; Beggan, Ciaran; Whaler, Kathy. 2021 Investigating the Predictive Power of Magnetohydrodynamic Models for Geomagnetically Induced Currents in the UK. [Poster] In: European Space Weather Week 2021, Glasgow, UK, 25-29 Oct 21. (Unpublished)

Margiono, Relly; Turbitt, Christopher W.; Beggan, Ciaran D.; Whaler, Kathryn A.. 2021 Production of definitive data from Indonesian geomagnetic observatories. Geoscientific Instrumentation, Methods and Data Systems, 10 (2). 169-182. https://doi.org/10.5194/gi-10-169-2021

Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Hammer, Magnus ORCID: https://orcid.org/0000-0003-0717-1526; Finlay, Chris ORCID: https://orcid.org/0000-0002-4592-2290; Cox, Grace. 2021 Isolating core field signals in Geomagnetic Virtual Observatory time series using Principle Component Analysis. [Speech] In: IAGA-IASPEI Joint Scientific Assembly 2021, Online, 21-27 Aug 2021. (Unpublished)

Beggan, Ciaran D.; Richardson, Gemma S.; Baillie, Orsi; Huebert, Juliane; Thomson, Alan W.P.. 2021 Geoelectric field measurement, modelling and validation during geomagnetic storms in the UK [in special issue: Topical Issue - Geomagnetic Storms and Substorms: a Geomagnetically Induced Current perspective] Journal of space weather and space climate, 11, 37. https://doi.org/10.1051/swsc/2021022

Benitez-Paez, Fernando; Brum-Bastos, Vanessa da Silva; Beggan, Ciaran; Long, Jed A.; Demšar, Urška. 2021 Fusion of wildlife tracking and satellite geomagnetic data for the study of animal migration. Movement Ecology, 9 (1), 31. https://doi.org/10.1186/s40462-021-00268-4

Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Hammer, Magnus ORCID: https://orcid.org/0000-0003-0717-1526; Finlay, Chris ORCID: https://orcid.org/0000-0002-4592-2290; Cox, Grace ORCID: https://orcid.org/0000-0002-5587-7083. 2021 Isolating internal secular variation in Geomagnetic Virtual Observatory time series using Principle Component Analysis. [Other] In: EGU General Assembly 2021, Online, 19-30 April 2021.

Hammer, Magnus D. ORCID: https://orcid.org/0000-0003-0717-1526; Cox, Grace A. ORCID: https://orcid.org/0000-0002-5587-7083; Brown, William J. ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran D. ORCID: https://orcid.org/0000-0002-2298-0578; Finlay, Christopher C. ORCID: https://orcid.org/0000-0002-4592-2290. 2021 Geomagnetic Virtual Observatories: monitoring geomagnetic secular variation with the Swarm satellites. Earth, Planets and Space, 73 (54). https://doi.org/10.1186/s40623-021-01357-9

Williams, E.; Bozóki, T.; Sátori, G.; Price, C.; Steinbach, P.; Guha, A.; Liu, Y.; Beggan, C.D.; Neska, M.; Boldi, R.; Atkinson, M.. 2021 Evolution of global lightning in the transition from cold to warm phase preceding two super El Niño events. Journal of Geophysical Research: Atmospheres, 126 (3), e2020JD033526. https://doi.org/10.1029/2020JD033526

Beggan, Ciaran D.; Macmillan, Susan; Brown, William J.; Grindrod, Steve J.. 2021 Quantifying global and random uncertainties in high resolution global geomagnetic field models used for directional drilling. SPE Drilling and completion, 10, SPE-204038-PA. https://doi.org/10.2118/204038-PA

Brown, William J. ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran D. ORCID: https://orcid.org/0000-0002-2298-0578; Cox, Grace A. ORCID: https://orcid.org/0000-0002-5587-7083; Macmillan, Susan ORCID: https://orcid.org/0000-0001-6213-2672. 2021 The BGS candidate models for IGRF-13 with a retrospective analysis of IGRF-12 secular variation forecasts [in special issue: International Geomagnetic Reference Field - The Thirteenth Generation] Earth, Planets and Space, 73, 42. https://doi.org/10.1186/s40623-020-01301-3

Alken, P.; Thebault, E.; Beggan, C.D. ORCID: https://orcid.org/0000-0002-2298-0578; Aubert, J; Baerenzung, J; Brown, W.J. ORCID: https://orcid.org/0000-0001-9045-9787; Califf, S; Chulliat, A; Cox, G.A. ORCID: https://orcid.org/0000-0002-5587-7083; Finlay, C C; Fournier, A; Gillet, N; Hammer, M; Holschneider, M; Hulot, G; Korte, M; Lesur, V; Livermore, P W; Lowes, F J; Macmillan, S. ORCID: https://orcid.org/0000-0001-6213-2672; Nair, M; Olsen, N; Ropp, G; Rother, M; Schnepf, N R; Stolle, C; Toh, H; Vervelidou, F; Vigneron, P; Wardinski, I. 2021 Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field [in special issue: The International Geomagnetic Reference Field - the thirteenth generation] Earth, Planets and Space, 73, 48. https://doi.org/10.1186/s40623-020-01281-4

Alken, P; Thébault, E; Beggan, C.D. ORCID: https://orcid.org/0000-0002-2298-0578; Amit, H; Aubert, J; Baerenzung, J; Bondar, T N; Brown, W.J. ORCID: https://orcid.org/0000-0001-9045-9787; Califf, S; Chambodut, A; Chulliat, A; Cox, G.A. ORCID: https://orcid.org/0000-0002-5587-7083; Finlay, C C; Fournier, A; Gillet, N; Grayver, A; Hammer, M D; Holschneider, M; Huder, L; Hulot, G; Jager, T; Kloss, C; Korte, M; Kuang, W; Kuvshinov, A; Langlais, B; Léger, J-M; Lesur, V; Livermore, P W; Lowes, F J; Macmillan, S. ORCID: https://orcid.org/0000-0001-6213-2672; Magnes, W; Mandea, M; Marsal, S; Matzka, W; Metman, M; Minami, T; Morschhauser, A; Mound, J E; Nair, M; Nakano, S; Olsen, N; Pavón-Carrasco, F J; Petrov, V G; Ropp, G; Rother, M; Sabaka, T J; Sanchez, S; Saturnino, D; Schnepf, N R; Shen, X; Stolle, C; Tangborn, A; Tøffner-Clausen, L; Toh, H; Torta, J M; Varner, J; Vervelidou, F; Vigneron, P; Wardinski, I; Wicht, J; Woods, A; Yang, Y; Zeren, Z; Zhou, B. 2021 International Geomagnetic Reference Field: the thirteenth generation [in special issue: International Geomagnetic Reference Field - the thirteenth generation] Earth, Planets and Space, 73, 49. https://doi.org/10.1186/s40623-020-01288-x

2020

Marangio, Paolo; Christodoulou, Vyron; Filguera, Rosa; Rogers, Hannah F.; Beggan, Ciaran. 2020 Automatic detection of Ionospheric Alfvén Resonances in magnetic spectrograms using U-net. Computers and Geosciences, 145, 104598. https://doi.org/10.1016/j.cageo.2020.104598

Brown, Nick ORCID: https://orcid.org/0000-0003-2925-7275; Bainbridge, Brian; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Hamilton, Brian; Macmillan, Susan ORCID: https://orcid.org/0000-0001-6213-2672. 2020 Modelling the Earth's geomagnetic environment on Cray machines using PETSc and SLEPc. Concurrency and Computation: Practice and Experience, 32 (10), e5660. https://doi.org/10.1002/cpe.5660

Metman, Maurits C.; Beggan, Ciaran D.; Livermore, Philip W.; Mound, Jonathan E.. 2020 Forecasting yearly geomagnetic variation through sequential estimation of core flow and magnetic diffusion. Earth, Planets and Space, 72 (1), 149. https://doi.org/10.1186/s40623-020-01193-3

Divett, T.; MacManus, D.H.; Richardson, G.S.; Beggan, C.D.; Rodger, C.J.; Ingham, M.; Clarke, E.; Thomson, A.W.P.; Dalzell, M.; Obana, Y.. 2020 Geomagnetically induced current model validation from New Zealand's South Island. Space weather, 18 (8), e2020SW002494. https://doi.org/10.1029/2020SW002494

Cox, Grace ORCID: https://orcid.org/0000-0002-5587-7083; Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Hammer, Magnus ORCID: https://orcid.org/0000-0003-0717-1526; Finlay, Chris ORCID: https://orcid.org/0000-0002-4592-2290. 2020 Denoising Swarm Geomagnetic Virtual Observatories using principal component analysis. [Lecture] In: EGU General Assembly 2020, Vienna (online), 4–8 May 2020. European Geosciences Union. (Unpublished)

Hammer, Magnus ORCID: https://orcid.org/0000-0003-0717-1526; Finlay, Christopher ORCID: https://orcid.org/0000-0002-4592-2290; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Cox, Grace ORCID: https://orcid.org/0000-0002-5587-7083. 2020 Geomagnetic Virtual Observatories: Global monitoring of geomagnetic secular variation with Swarm data. [Lecture] In: EGU General Assembly 2020, Vienna (online), 4–8 May 2020. European Geosciences Union. (Unpublished)

Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Cox, Grace ORCID: https://orcid.org/0000-0002-5587-7083; Macmillan, Susan ORCID: https://orcid.org/0000-0001-6213-2672. 2020 The new WMM2020 and IGRF-13 models, and a retrospective analysis of IGRF secular variation. [Poster] In: EGU General Assembly 2020, Vienna (online), 4–8 May 2020. European Geosciences Union. (Unpublished)

Chulliat, Arnaud; Brown, William; Alken, Patrick; Beggan, Ciaran; Nair, Manoj; Cox, Grace; Woods, Adam; Macmillan, Susan; Meyer, Brian; Paniccia, Michael. 2020 The US/UK World Magnetic Model for 2020-2025. British Geological Survey, 121pp.

Huebert, J. ORCID: https://orcid.org/0000-0003-0526-5609; Beggan, C.D. ORCID: https://orcid.org/0000-0002-2298-0578; Richardson, G.S. ORCID: https://orcid.org/0000-0002-9504-4457; Martyn, T.; Thomson, A.W.P. ORCID: https://orcid.org/0000-0002-7677-5158. 2020 Differential Magnetometer Measurements of Geomagnetically Induced Currents in a Complex High Voltage Network. Space Weather, 18 (4), e2019SW002421. https://doi.org/10.1029/2019SW002421

Thomson, Alan, ed. 2020 Geomagnetism review 2019. Edinburgh, UK, British Geological Survey, 56pp. (OR/20/008) (Unpublished)

2019

Campanyà, J.; Gallagher, P.T.; Blake, S.P.; Gibbs, M.; Jackson, D.; Beggan, C.D.; Richardson, G.S.; Hogg, C.. 2019 Modeling geoelectric fields in Ireland and the UK for space weather applications. Space Weather, 17 (2). 216-237. https://doi.org/10.1029/2018SW001999

Oughton, Edward J.; Hapgood, Mike; Richardson, Gemma S.; Beggan, Ciaran D.; Thomson, Alan W.P.; Gibbs, Mark; Burnett, Catherine; Gaunt, C. Trevor; Trichas, Markos; Dada, Rabia; Horne, Richard B. ORCID: https://orcid.org/0000-0002-0412-6407. 2019 A risk assessment framework for the socio-economic impacts of electricity transmission infrastructure failure due to space weather: an application to the United Kingdom. Risk Analysis, 39 (5). 1022-1043. https://doi.org/10.1111/risa.13229

Metman, Maurits C.; Livermore, Philip W; Mound, Jonathan E.; Beggan, Ciaran D.. 2019 Modelling decadal secular variation with only magnetic diffusion. Geophysical Journal International, 219 (Supplement_1). S58-S82. https://doi.org/10.1093/gji/ggz089

Brown, William ORCID: https://orcid.org/0000-0001-9045-9787; Beggan, Ciaran ORCID: https://orcid.org/0000-0002-2298-0578; Macmillan, Susan ORCID: https://orcid.org/0000-0001-6213-2672. 2019 Analysis of Errors in Simple Geomagnetic Field Model Predictions. [Poster] In: IUGG 27th General Assembly, Montreal, 7-17th July 2019. British Geological Survey. (Unpublished)

Beggan, Ciaran; Musar, Malgorzata A.. 2019 Is the Madden–Julian Oscillation reliably detectable in Schumann Resonances? [Poster] In: 27th IUGG Assembly, Montreal, Canada, 8-18 July 2019. British Geological Survey. (Unpublished)

Beggan, Ciaran; Marple, Steve. 2019 Building a Raspberry Pi magnetometer network for schools in the UK. [Poster] In: National Astronomy Meeting 2019, Lancaster, UK, 02 July 2019. (Unpublished)

Huebert, J.; Beggan, C.D.; Richardson, G.S.; Martyn, T.P.; Thomson, A.W.P.. 2019 Differential magnetometer measurements in the UK high-voltage power grid. [Poster] In: National Astronomy Meeting 2019, Lancaster, UK, 1st - 5th July 2019. (Unpublished)

Beggan, Ciaran. 2019 From Raspberries to Aurora : Sensing the Northern Lights (Aurora Borealis) with a Raspberry Pi magnetometer. [Lecture] In: Royal Astronomical Society Ordinary Meeting, London, 12-Apr-2019. (Unpublished)

Macmillan, Susan; Beggan, Ciaran; Brown, William; Hamilton, Brian; Chulliat, Arnaud; Alken, Patrick; Nair, Manoj; Woods, Adam. 2019 Recent secular variation and an update to the World Magnetic Model. [Speech] In: Magnetic Interactions 2019, University of Liverpool, 03/01/2019 to 04/01/2019. (Unpublished)

Beggan, Ciaran D.; Musur, Malgorzata A.. 2019 Is the Madden–Julian Oscillation reliably detectable in Schumann Resonances? Journal of Atmospheric and Solar-Terrestrial Physics, 190. 108-116. https://doi.org/10.1016/j.jastp.2019.05.009

Beggan, Ciaran; Divett, Tim. 2019 Measuring and modelling the geoelectric field using a thin sheet approach. [Lecture] In: IUGG 27th General Assembly, Montreal, 7-17th July 2019. British Geological Survey. (Unpublished)

Chulliat, Arnaud; Brown, William; Alken, Patrick; Macmillan, Susan; Nair, Manoj; Beggan, Ciaran; Woods, Adam; Hamilton, Brian; Meyer, Brian; Redmon, Robert. 2019 Out-of-Cycle Update of the US/UK World Magnetic Model for 2015-2020. National Centers for Environmental Information, NOAA, 16pp. (OR/19/028)

2018

Beggan, Ciaran D.; Marple, Steve R.. 2018 Building a Raspberry Pi school magnetometer network in the UK. Geoscience Communications, 1. 25-34. https://doi.org/10.5194/gc-1-25-2018

Beggan, Ciaran. 2018 Geophysical signals in the 3-50 Hz ELF band. [Poster] In: Strathclyde Innovation Symposium on Optically Pumped Magnetometers, Ross Priory, Scotland, 25-26 Sept 2018. British Geological Survey. (Unpublished)

Beggan, Ciaran; Wild, Jim; Gibbs, Mark. 2018 The ground effects of severe space weather. Astronomy and Geophysics, 59 (4). 4.36-4.39. https://doi.org/10.1093/astrogeo/aty194

Beggan, Ciaran D.; Whaler, Kathryn A.. 2018 Ensemble Kalman filter analysis of magnetic field models during the CHAMP-Swarm gap. Physics of the Earth and Planetary Interiors, 281. 103-110. https://doi.org/10.1016/j.pepi.2018.06.002

Beggan, Ciaran D.; Billingham, Laurence; Clarke, Ellen. 2018 Estimating external magnetic field differences at high geomagnetic latitudes from a single station. Geophysical Prospecting, 66 (6). 1227-1240. https://doi.org/10.1111/1365-2478.12641

Beggan, C.D.; Musur, M.. 2018 Observation of Ionospheric Alfven Resonances at 1--30 Hz and their superposition with the Schumann Resonances. Journal of Geophysical Research Space Physics, 123 (5). 4202-4214. https://doi.org/10.1029/2018JA025264

Beggan, Ciaran; Musur, Malgorzata. 2018 Observations of the interaction between Schumann and Ionospheric Alfvén Resonances. [Poster] In: EGU General Assembly 2018, Vienna, Austria, 8-13 April 2018. British Geological Survey. (Unpublished)

Beggan, Ciaran; Richardson, Gemma; Thomson, Alan. 2018 Validation of GIC in the GB High Voltage Network. [Lecture] In: EGU General Assembly 2018, Vienna, Austria, 8-13 April 2018. British Geological Survey. (Unpublished)

Beggan, Ciaran; Hamilton, Brian; Macmillan, Susan; Brown, William; Thomson, Alan. 2018 Analysis of the BGS Swarm magnetospheric models and ground observatory products. [Poster] In: EGU General Assembly 2018, Vienna, Austria, 8-13 April 2018. British Geological Survey. (Unpublished)

Thomson, Alan W.P., ed. 2018 Geomagnetism review 2017. Edinburgh, UK, British Geological Survey, 46pp. (OR/18/036) (Unpublished)

Heilig, Balázs; Beggan, Ciaran; Lichtenberger, János. 2018 Natural sources of geomagnetic field variations. Geneva, Switzerland, CERN European Organization for Nuclear Research, 16pp. (CLIC-Note-1083) (Unpublished)

Divett, T.; Richardson, G.S.; Beggan, C.D.; Rodger, C.J.; Boteler, D.H.; Ingham, M.; Mac Manus, D.H.; Thomson, A.W.P.; Dalzell, M.. 2018 Transformer-level modeling of geomagnetically induced currents in New Zealand's South Island. Space Weather, 16 (6). 718-735. https://doi.org/10.1029/2018SW001814

Blake, Seán P.; Gallagher, Peter T.; Campanyà, Joan; Hogg, Colin; Beggan, Ciaran D.; Thomson, Alan W.P.; Richardson, Gemma S.; Bell, David. 2018 A detailed model of the Irish High Voltage Power Network for simulating GICs. Space Weather, 16 (11). 1770-1783. https://doi.org/10.1029/2018SW001926

2017

Richardson, Gemma; Beggan, Ciaran; Thomson, Alan. 2017 Recent advances and validation of GIC modelling in the UK. [Speech] In: 14th European Space Weather Week, Oostende, Belgium, 27 Nov - 1 Dec 2017. (Unpublished)

Baillie, Orsi; Whaler, Kathy; Beggan, Ciaran. 2017 An investigation into Geoelectric tides at three sites in the UK. [Poster] In: European Space Weather Week 14, Oostende, Belguim, 27th November - 1st Dec 2017. (Unpublished)

Smith, A.R.A.; Beggan, C.D.; Macmillan, S.; Whaler, K.A.. 2017 Climatology of the Auroral Electrojets derived from the Along-Track Gradient of Magnetic Field Intensity measured by POGO, Magsat, CHAMP, and Swarm. Space Weather, 15 (10). 1257-1269. https://doi.org/10.1002/2017SW001675

Beggan, Ciaran. 2017 Real-time geomagnetic data from a Raspberry Pi magnetometer network in the UK. [Lecture] In: IAGA 13th Scientific Assembly, Cape Town, Cape Town, South Africa, 27 Aug - 1 Sept 2017. British Geological Survey. (Unpublished)

Beggan, Ciaran. 2017 Estimating GIC from a single observatory at high and mid latitudes. [Lecture] In: IAGA 13th Scientific Assembly, Cape Town, Cape Town, South Africa, 27 Aug - 1 Sept 2017. British Geological Survey. (Unpublished)

Brown, William; Beggan, Ciaran; Macmillan, Susan. 2017 Statistical forecasting techniques applied to observatory data for core field modelling. [Poster] In: Good Hope for Earth Sciences Joint IAPSO-IAMAS-IAGA Assembly, Cape Town, South Africa, 27 Aug 2017 - 1 Sept 2017. British Geological Survey. (Unpublished)

Whaler, Kathy; Beggan, Ciaran. 2017 Using Ensemble KalmanFiltering to improve magnetic field models during vector satellite data ‘gaps’? [Poster] In: IAGA 13th Scientific Assembly, Cape Town, Cape Town, South Africa, 27 Aug - 1 Sept 2017. (Unpublished)

Thomson, Alan W.P., ed. 2017 Geomagnetism Review 2016. Edinburgh, UK, British Geological Survey, 40pp. (OR/17/043) (Unpublished)

Beggan, Ciaran; Brown, Will; Hulot, Gauthier; Coisson, Pierdavide; Deram, Pierre. 2017 Magnetic Schumann Resonances in Swarm ASM Burst Mode, VFM HF and e-POP Data? [Poster] In: Swarm 4th Science Meeting, Banff, Canada, 20-24 March 2017. British Geological Survey. (Unpublished)

Brown, W.; Hamilton, B.; Macmillan, S.; Beggan, C.; Thomson, A.. 2017 Recent BGS activities for the Swarm DISC. [Poster] In: Fourth Swarm Science Meeting, Banff, Alberta, Canada, 20-24 Mar 2017. (Unpublished)

Kelly, G.S.; Viljanen, A.; Beggan, C.D.; Thomson, A.W.P.. 2017 Understanding GIC in the UK and French high-voltage transmission systems during severe magnetic storms. Space Weather, 15 (1). 99-114. https://doi.org/10.1002/2016SW001469

Brown, William; Beggan, Ciaran; Macmillan, Susan. 2017 Rapid geomagnetic secular variation during the Swarm era and its impact on global field models. [Poster] In: TSG-VMSG-BGA Joint Assembly 2017, Liverpool, UK, 4-6 Jan 2017. British Geological Survey. (Unpublished)

Divett, T.; Ingham, M.; Beggan, C.D.; Richardson, G.S.; Rodger, C.J.; Thomson, A.W.P.; Dalzell, M.. 2017 Modeling geoelectric fields and geomagnetically induced currents around New Zealand to explore GIC in the South Island's electrical transmission network. Space Weather, 15 (10). 1396-1412. https://doi.org/10.1002/2017SW001697

Bailey, Rachel L.; Halbedl, Thomas S.; Schattauer, Ingrid; Römer, Alexander; Achleitner, Georg; Beggan, Ciaran D.; Wesztergom, Viktor; Egli, Ramon; Leonhardt, Roman. 2017 Modelling geomagnetically induced currents in midlatitude Central Europe using a thin-sheet approach. Annales Geophysicae, 35 (3). 751-761. https://doi.org/10.5194/angeo-35-751-2017

Barbosa, C.S.; Caraballo, R.; Alves, L.R.; Hartmann, G.A.; Beggan, C.D.; Viljanen, A.; Ngwira, C.M.; Papa, A.R.R.; Pirjola, R.J.. 2017 The Tsallis statistical distribution applied to geomagnetically induced currents. Space Weather, 15 (9). 1094-1101. https://doi.org/10.1002/2017SW001631

Richardson, G.S.; Beggan, C.D.. 2017 Validation of geomagnetically induced current modelling code. Nottingham, UK, British Geological Survey, 21pp. (IR/17/009) (Unpublished)

2016

Brown, William; Beggan, Ciaran; Macmillan, Susan. 2016 Geomagnetic jerks in the Swarm Era. In: ESA Living Planet Symposium, Prague, Czech Republic, 9-13 May 2016. Spacebooks Online.

Shore, R.M. ORCID: https://orcid.org/0000-0002-8386-1425; Whaler, K.A.; Macmillan, S.; Beggan, C.; Velimsky, J.; Olsen, N.. 2016 Decadal period external magnetic field variations determined via eigenanalysis. Journal of Geophysical Research: Space Physics, 121 (6). 5172-5184. https://doi.org/10.1002/2015JA022066

Hamilton, Brian; Beggan, Ciaran; Macmillan, Susan; Brown, William; Thomson, Alan. 2016 Concerning BGS activities for the Swarm Data, Innovation, and Science Cluster. [Poster] In: ESA Living Planet Symposium, Prague, Czech Republic, 9-13 May 2016. British Geological Survey. (Unpublished)

Brown, William; Beggan, Ciaran; Macmillan, Susan. 2016 Geomagnetic jerks in the Swarm Era. [Poster] In: ESA Living Planet Symposium, Prague, 9-13 May 2016. British Geological Survey. (Unpublished)

Smith, Ashley; Whaler, Kathy; Beggan, Ciaran; Macmillan, Susan. 2016 Investigating the location and strength of the auroral electrojets using Swarm. [Poster] In: ESA Living Planet Symposium, Prague, Czech Republic, 9-13 May 2016. (Unpublished)

Beggan, Ciaran; Brown, William. 2016 Use of Swarm gradient field data to improve lithospheric field models. [Poster] In: ESA Living Planet Symposium, Prague, Czech Republic, 9-13 May 2016. British Geological Survey. (Unpublished)

Beggan, Ciaran D.; Marple, Steve R.. 2016 Space weather goes to schools. Astronomy & Geophysics, 57 (2). 24-26. https://doi.org/10.1093/astrogeo/atw072

Thomson, Alan W.P., ed. 2016 Geomagnetism review 2015. British Geological Survey, 39pp. (OR/16/030) (Unpublished)

2015

Kelly, Gemma; Beggan, Ciaran; Swan, Tony; Thomson, Alan. 2015 Behaviour of the UK geo-electric field during the March 2015 geomagnetic storm. [Speech] In: National Astronomy Meeting 2015, Llandudno, UK, 5-9 July 2015. (Unpublished)

Blake, Sean; Gallagher, Peter; McCauley, Joe; Jones, Alan; Hogg, Colin; Beggan, Ciaran; Thomson, Alan; Kelly, Gemma; Bell, David. 2015 Geomagnetic conditions in Ireland During the St. Patrick's Day 2015 Storm. [Poster] In: National Astronomy Meeting, Llandudno, UK, 5th-9th July 2015. British Geological Survey. (Unpublished)

Beggan, Ciaran D.; Harris, Ted; Swan, Anthony; Marple, Steve; Honary, Farideh. 2015 Developing a Raspberry Pi magnetometer for schools in the UK. [Poster] In: IUGG 26th General Assembly, Prague, Czech Republic, 22 June - 2 July 2015. British Geological Survey. (Unpublished)

Beggan, Ciaran; Whaler, Kathy. 2015 Forecasting secular variation using accelerated core surface flows. [Lecture] In: IUGG 26th General Assembly, Prague, Czech Republic, 22 June - 2 July 2015. (Unpublished)

Hamilton, Brian; Ridley, Victoria A.; Beggan, Ciaran D.; Macmillan, Susan. 2015 The BGS magnetic field candidate models for the 12th generation IGRF. Earth, Planets and Space, 67 (69). https://doi.org/10.1186/s40623-015-0227-x

Chulliat, Arnaud; Macmillan, Susan; Alken, Patrick; Beggan, Ciaran; Nair, Manoj; Hamilton, Brian; Woods, Adam; Ridley, Victoria; Maus, Stefan; Thomson, Alan. 2015 The US/UK World Magnetic Model for 2015-2020. BGS and NOAA, 112pp.

Beggan, Ciaran D.. 2015 Sensitivity of geomagnetically induced currents to varying auroral electrojet and conductivity models. Earth, Planets and Space, 67 (24). 12, pp. https://doi.org/10.1186/s40623-014-0168-9

Beggan, Ciaran D.; Hamilton, Brian; Taylor, Victoria; Macmillan, Susan; Thomson, Alan. 2015 The International Geomagnetic Reference Field (IGRF) generation 12: BGS candidates and final models. [Poster] In: Magnetic Interactions 2015, Leeds, UK, 7-8 Jan 2015. British Geological Survey. (Unpublished)

Whaler, K.A.; Beggan, C.D.. 2015 Derivation and use of core surface flows for forecasting secular variation. Journal of Geophysical Research: Solid Earth, 120 (3). 1400-1414. https://doi.org/10.1002/2014JB011697

Thébault, Erwan; Finlay, Christopher C.; Alken, Patrick; Beggan, Ciaran D.; Canet, Elisabeth; Chulliat, Arnaud; Langlais, Benoit; Lesur, Vincent; Lowes, Frank J.; Manoj, Chandrasekharan; Rother, Martin; Schachtschneider, Reyko. 2015 Evaluation of candidate geomagnetic field models for IGRF-12. Earth, Planets and Space, 67 (1). 23, pp. https://doi.org/10.1186/s40623-015-0273-4

Kelly, Gemma; Viljanen, Ari; Beggan, Ciaran; Thomson, Alan. 2015 GIC at mid-latitudes under extreme Dst scenarios. [Speech] In: European Space Weather Week 12, Oostende, Belgium, 23-27 Nov 2015. (Unpublished)

Thomson, Alan W.P.. 2015 Geomagnetism review 2014. Nottingham, UK, British Geological Survey, 34pp. (OR/15/034) (Unpublished)

Thébault, Erwan; Finlay, Christopher C; Beggan, Ciaran D.; Alken, Patrick; Aubert, Julien; Barrois, Olivier; Bertrand, Francois; Bondar, Tatiana; Boness, Axel; Brocco, Laura; Canet, Elisabeth; Chambodut, Aude; Chulliat, Arnaud; Coïsson, Pierdavide; Civet, François; Du, Aimin; Fournier, Alexandre; Fratter, Isabelle; Gillet, Nicolas; Hamilton, Brian; Hamoudi, Mohamed; Hulot, Gauthier; Jager, Thomas; Korte, Monika; Kuang, Weijia; Lalanne, Xavier; Langlais, Benoit; Léger, Jean-Michel; Lesur, Vincent; Lowes, Frank J; Macmillan, Susan; Mandea, Mioara; Manoj, Chandrasekharan; Maus, Stefan; Olsen, Nils; Petrov, Valeriy; Ridley, Victoria; Rother, Martin; Sabaka, Terence J; Saturnino, Diana; Schachtschneider, Reyko; Sirol, Olivier; Tangborn, Andrew; Thomson, Alan; Tøffner-Clausen, Lars; Vigneron, Pierre; Wardinski, Ingo; Zvereva, Tatiana. 2015 International Geomagnetic Reference Field: the 12th generation. Earth, Planets and Space, 67 (79). https://doi.org/10.1186/s40623-015-0228-9

Olsen, Nils; Hulot, Gauthier; Lesur, Vincent; Finlay, Christopher C.; Beggan, Ciaran; Chulliat, Arnaud; Sabaka, Terence J.; Floberghagen, Rune; Friis-Christensen, Eigil; Haagmans, Roger; Kotsiaros, Stavros; Lühr, Hermann; Tøffner-Clausen, Lars; Vigneron, Pierre. 2015 The Swarm Initial Field Model for the 2014 geomagnetic field. Geophysical Research Letters, 42 (4). 1092-1098. https://doi.org/10.1002/2014GL062659

2014

Beggan, C.D.. 2014 Automatic detection of ionospheric Alfvén resonances using signal and image processing techniques. Annales Geophysicae, 32 (8). 951-958. https://doi.org/10.5194/angeo-32-951-2014

Beggan, Ciaran D.. 2014 Forecasting secular variation from CHAMP to Swarm. [Poster] In: ESA 3rd Swarm Science Meeting, Copenhagen, Denmark, 19-20 June 2014. (Unpublished)

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)

Beggan, Ciaran D.; Kelly, Gemma S.. 2014 Automatic detection of ionospheric Alfvén Resonances using signal and image processing techniques. [Poster] In: Hot Spring MIST, Bath, UK, 23-25 April 2014. (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; 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.. 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)

Thomson, Alan W.P., ed. 2014 Geomagnetism : review 2013. British Geological Survey, 40pp. (OR/14/016) (Unpublished)

Beggan, C.; Kelly, G.; Baillie, O.; Viljanen, A.; Ngwira, C.. 2014 Project EURISGIC : worst case scenarios (technical note D5.1). Nottingham, UK, British Geological Survey, 40pp. (OR/14/004) (Unpublished)

2013

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.; 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. https://doi.org/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. https://doi.org/10.5047/eps.2013.07.00

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

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, 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. https://doi.org/10.1002/jgra.50491

Shore, Rob ORCID: https://orcid.org/0000-0002-8386-1425; 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 ORCID: https://orcid.org/0000-0002-8386-1425; 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)

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. https://doi.org/10.1002/swe.20065

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 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. https://doi.org/10.1093/gji/ggs122

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 W.P., ed. 2013 Geomagnetism Review 2012. Edinburgh, UK, British Geological Survey, 46pp. (OR/13/030) (Unpublished)

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. https://doi.org/10.1016/j.epsl.2012.10.032

2012

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. [Speech] In: Royal Observatory Belgium, Belgium, 7 Dec 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)

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. https://doi.org/10.1029/2011SW000750

British Geological Survey. 2012 Geomagnetism : review 2011. Edinburgh, UK, British Geological Survey, 50pp. (OR/12/056) (Unpublished)

2011

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)

British Geological Survey. 2011 Geomagnetism : review 2010. Edinburgh, UK, British Geological Survey, 44pp. (OR/11/036) (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)

2010

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)

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. https://doi.org/10.5047/eps.2010.11.005

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

Thomson, Alan W.P.. 2010 Geomagnetism : review 2009. British Geological Survey, 35pp. (OR/10/029) (Unpublished)

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. https://doi.org/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. https://doi.org/10.5194/angeo-28-1795-2010

2009

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, 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. https://doi.org/10.1029/2009GL039927

2008

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)