Mark Clilverd, Author at British Antarctic Survey

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Mark Clilverd

Atmospheric Physicist IMP 3

Principal investigator (with C. J. Rodger) of the Antarctic-Arctic Radiation-belt (Dynamic) Deposition – VLF Atmospheric Research Konsortium (AARDDVARK).

UK rep to International Association of Geomagnetism and Aeronomy, IAGA, (2013 -onwards).

UK rep to the Scientific Committee on Antarctic Research, SCAR, Sun-Earth Relationships and Antarctica group (2014 – onwards).

Member of the CHemical Aeronomy in the Mesosphere and Ozone in the Stratosphere (CHAMOS) science team.

Member of the British Geological Survey Geomagnetism Advisory Group (2005-onwards).

International Union of Radio Science (URSI) representative to the Scientific Committee on Antarctic Research, an inter-disciplinary committee of the International Council for Science. (2005-2014).

Member of the European Space Weather Week Programme Committee (2013-2015).

UK representative, URSI Commission H. (2002-2005)

Conclusions of study [Seppälä et al., 2009] selected as a highlight in the 2010 science activities of the British Antarctic Survey and featured in their Annual Report (BAS Annual Report 2009-2010, page 7, 2010).

Conclusions of study [Gamble et al., 2008] described in the Editor’s Choice section of the American Geophysical Union publication, Space Weather Quarterly. Howard J. Singer, Radio Signals From Australia Perturb Radiation Belt Electrons, Editor’s Choice in Space Weather Quarterly, Volume 6, Issue 1, pg. 8, 2009.

Incorporation of research work through 2 references in the Chapter 4 of the latest WMO Scientific Assessment of Ozone Depletion: 2006 (Feb 2007).

Conclusions of study [Rodger et al., 2006] described in New Scientist magazine (issue 2565, 19 Aug. 2006) and New Scientist website.

Papers selected by journal editors as scientific highlight of that month’s issue of Geophysical Research Letters [Rodger et al., 2001; Rodger and Clilverd, 2002].

Polar Medal for services to Science in the Antarctic, presented by H.M. The Queen, 1998.

Laws prize awarded to outstanding young scientists of the British Antarctic Survey for Antarctic research, 1994.

Royal Society Post-doctoral Fellowship in Physics, undertaken at the Department of Physics, University of Otago, 1990-1991.

Biography

PhD: University of Sheffield 1990 BSc (Hons): University of Southampton 1984

Research interests

Upper Atmosphere and Space Physics focused on the impact of energetic particle effects on the Earth’s atmosphere and climate system.

Publications from NERC Open Research Archive

2026

Ghosh, Jitiprova. Faruque, Rakhijul Alam . Amin, Gahul . Raita, Tero. Clilverd, Mark A. . Pal, Sujay . (2026) Mid‐ and High‐Latitude Ionospheric Responses to the Mother’s Day Super Geomagnetic Storm of 2024 Using VLF Propagation and Satellite Data.

Subritzky, Soren . Lapthorn, Andrew . Hardie, Stewart. Agger, Paul. Dalzell, Michael . Clilverd, Mark A. . Cobbett, Neil . Beggan, Ciaran . Hübert, Juliane. Eaton, Eliot. Brundell, James B. . Rodger, Craig J. . (2026) High Voltage DC Active Current Injection to Simulate Geomagnetically Induced Currents in New Zealand.

2025

Meredith, Nigel P. . Bortnik, Jacob . Hua, Man . Cayton, Thomas E. . Clilverd, Mark A. . Daggitt, Tom A. . Bunting, Kaine A. . (2025) Solar Wind and Geomagnetic Conditions That Lead to the Largest Relativistic Electron Fluxes in GPS Orbit.

Smith, A.W. . Rodger, C.J. . Pratscher, K.M. Mac Manus, D.H. . Rae, I.J. . Ratliff, D. Clilverd, M.A. . Lawrence, E. Beggan, C.D. . Richardson, G.S. . Fogg, A.R. . Oliveira, D.M. . Hubert, J. . Petersen, T. . Dalzell, M. . (2025) Why Do Sudden Commencements Sometimes Generate Disproportionate Geomagnetically Induced Currents?.

Mac Manus, D.H. . Rodger, C.J. . Renton, A. Lo, V. Malone‐Leigh, J. Petersen, T. . Copland, M. Hendry, A.T. . Clilverd, M.A. . Richardson, G.S. . (2025) Implementing Geomagnetically Induced Currents Mitigation During the May 2024 “Gannon” G5 Storm: Research Informed Response by the New Zealand Power Network.

Clilverd, M.A. . Rodger, C.J. . Mac Manus, D.H. . Brundell, J.B. Dalzell, M. . Renton, A. Lo, V. Lapthorn, A. . Smith, A.W. . Malone‐Leigh, J. . Feng, X. Petersen, T. . (2025) Geomagnetically Induced Currents, Transformer Harmonics, and Reactive Power Impacts of the Gannon Storm in May 2024.

Thomson, Neil R. . Clilverd, Mark A. . Rodger, Craig J. . (2025) Ionospheric D Region: Characteristics Near Dawn and Dusk.

Schneider, H. Wendt, V. Banyś, D. Hansen, M. Clilverd, M. . Verronen, P.T. (2025) Impact of Sudden Stratospheric Warming and Elevated Stratopause Events on the Very Low Frequency Radio Signal.

Crack, Malcolm. Rodger, Craig J. Clilverd, Mark A. . Hendry, Aaron T. . Sauvaud, Jean-Andre. (2025) Energetic Electron Precipitation From the Radiation Belts: Geomagnetic and Solar Wind Proxies for Precipitation Flux Magnitudes.

2024

Clilverd, M.A. . Rodger, C.J. Hendry, A.T. . Lozinski, A.R. . Sauvaud, J.‐A. Lessard, M.R. Raita, T. (2024) Improved Energy Resolution Measurements of Electron Precipitation Observed During an IPDP‐Type EMIC Event.

Crack, M. Rodger, C.J. Clilverd, M. . Mac Manus, D.H. Martin, I. Dalzell, M. Subritzky, S.P. Watson, N.R. Petersen, T. (2024) Even-Order Harmonic Distortion Observations During Multiple Geomagnetic Disturbances: Investigation From New Zealand.

Rodger, Craig J. Clilverd, Mark A. . Tarr, Anna. Mac Manus, Daniel H. George, Harriet. Petersen, Tanja. Renton, Andrew. Editors: Pozza, Maria A (2024) Space Weather: A Global Hazard from Space to New Zealand’s Technological Infrastructure.

Wendt, V. Schneider, H. Banyś, D. Hansen, M. Clilverd, M.A. . Raita, T. (2024) Why Does the October Effect Not Occur at Night?.

Schneider, H. Wendt, V. Banys, D. Clilverd, M. . Raita, T. (2024) Processing of VLF Amplitude Measurements: Deduction of a Quiet Time Seasonal Variation.

Reidy, J.A. . Horne, R.B. . Glauert, S.A. . Clilverd, M.A. . Meredith, N.P. . Rodger, C.J. Ross, J.P. . Wong, J. . (2024) Characterizing Radiation‐Belt Energetic Electron Precipitation Spectra: A Comparison of Quasi‐Linear Diffusion Theory With In Situ Measurements.

Hansen, Marc. Banyś, Daniela. Clilverd, Mark . Wenzel, David. Raita, Tero. Hoque, Mohammed Mainul. (2024) Investigation of the October effect in very low-frequency (VLF) signals.

2023

Mac Manus, D.H. Rodger, C.J. Renton, A. Ronald, J. Harper, D. Taylor, C. Dalzell, M. Divett, T. Clilverd, M.A. . (2023) Geomagnetically Induced Current Mitigation in New Zealand: Operational Mitigation Method Development With Industry Input.

Žigman, Vida. Dominique, Marie. Grubor, Davorka. Rodger, Craig J. Clilverd, Mark A. . (2023) Lower-ionosphere electron density and effective recombination coefficients from multi-instrument space observations and ground VLF measurements during solar flares.

Sarris, Theodoros. Palmroth, Minna. Aikio, Anita. Buchert, Stephan Christoph. Clemmons, James. Clilverd, Mark . Dandouras, Iannis. Doornbos, Eelco. Goodwin, Lindsay Victoria. Grandin, Maxime. Heelis, Roderick. Ivchenko, Nickolay. Moretto-Jørgensen, Therese. Kervalishvili, Guram. Knudsen, David. Liu, Han-Li. Lu, Gang. Malaspina, David M. Marghitu, Octav. Maute, Astrid. Miloch, Wojciech J. Olsen, Nils. Pfaff, Robert. Stolle, Claudia. Talaat, Elsayed. Thayer, Jeffrey. Tourgaidis, Stelios. Verronen, Pekka T. Yamauchi, Masatoshi. (2023) Plasma-neutral interactions in the lower thermosphere-ionosphere: The need for in situ measurements to address focused questions.

Sarris, Theodore E. Tourgaidis, Stelios. Pirnaris, Panagiotis. Baloukidis, Dimitrios. Papadakis, Konstantinos. Psychalas, Christos. Buchert, Stephan C. Doornbos, Eelco. Clilverd, Mark A. . Verronen, Pekka T. Malaspina, David. Ahmadi, Narges. Dandouras, Iannis. Kotova, Anna. Miloch, Wojciech J. Knudsen, David. Olsen, Nils. Marghitu, Octav. Matsuo, Tomoko. Marchaudon, Aurelie. Hoffmann, Alex. Lajas, Dulce. Stromme, Anja. Taylor, Matthew. Aikio, Anita. Palmroth, Minna. Heelis, Roderick. Ivchenko, Nickolay. Stolle, Claudia. Kervalishvili, Guram. Moretto-Jørgensen, Therese. Pfaff, Robert. Siemes, Christian. Visser, Pieter. van den Ijssel, Jose. Lu, Gang. Li, Han-Li. Sandberg, Ingmar. Papadimitriou, Constantinos. Vogt, Joachim. Blagau, Adrian. Stachlys, Nele. (2023) Daedalus MASE (Mission Assessment through Simulation Exercise): a toolset for analysis of in situ missions and for processing global circulation model outputs in the Lower Thermosphere-Ionosphere.

2022

Rodger, Craig J. Clilverd, Mark A. . Hendry, Aaron T. Forsyth, Colin. (2022) Examination of Radiation Belt Dynamics during Substorm Clusters: Magnetic Local Time Variation and Intensity of Precipitating Fluxes.

Mac Manus, D.H. Rodger, C.J. Dalzell, M. Renton, A. Richardson, G.S. Petersen, T. Clilverd, M.A. . (2022) Geomagnetically Induced Current Modeling in New Zealand: Extreme Storm analysis using multiple disturbance scenarios and industry provided hazard magnitudes.

Thomson, Neil R. Clilverd, Mark A. . Rodger, Craig J. (2022) Ionospheric D region: VLF‐measured Electron Densities compared with Rocket‐Based FIRI‐2018 Model.

Salzano, Michelle. Lessard, Marc R. Noh, SungJun. Kim, Hyomin. Waters, Colin. Engebretson, Mark J. Horne, Richard . Clilverd, Mark . Kadokura, Akira. Tanaka, Yoshimasa. Kim, Khan-Hyuk. Matzka, Jürgen. Fromm, Tanja. Goldstein, Jerry. Kim, Myeong Joon. (2022) Modeling the effects of drift shell splitting in two case studies of simultaneous observations of substorm-driven Pi1B and IPDP-type EMIC waves.

Smith, A.W. Rodger, C.J. Manus, D.H. Mac. Forsyth, C. Rae, I.J. Freeman, M.P. . Clilverd, M.A. . Petersen, T. Dalzell, M. (2022) The correspondence between sudden commencements and geomagnetically induced currents: Insights from New Zealand.

Mironova, Irina. Sinnhuber, Miriam. Bazilevskaya, Galina. Clilverd, Mark . Funke, Bernd. Makhmutov, Vladimir. Rozanov, Eugene. Santee, Michelle L. Sukhodolov, Timofei. Ulich, Thomas. (2022) Exceptional middle latitude electron precipitation detected by balloon observations: Implications for atmospheric composition.

Newnham, David A. . Clilverd, Mark A. . Clark, William D.J. Kosch, Michael. Verronen, Pekka T. Rogers, Alan E.E. (2022) Ground-based Ku-band microwave observations of ozone in the polar middle atmosphere.

Briand, Carine. Clilverd, Mark . Inturi, Srivani. Cecconi, Baptiste. (2022) Role of hard X-ray emission in ionospheric D-layer disturbances during solar flares.

Pataki, Bálint Ármin. Lichtenberger, János. Clilverd, Mark . Máthé, Gergely. Steinbach, Péter. Pásztor, Szilárd. Murár‐Juhász, Lilla. Koronczay, Dávid. Ferencz, Orsolya. Csabai, István. (2022) Monitoring space weather: using automated, accurate neural network based whistler segmentation for whistler inversion.

Mac Manus, D.H. Rodger, C.J. Ingham, M. Clilverd, M.A. . Dalzell, M. Divett, T. Richardson, G.S. Petersen, T. (2022) Geomagnetically induced current model in New Zealand across multiple disturbances: Validation and extension to non‐monitored transformers.

2021

Rodger, Craig J. Hendry, Aaron T. Clilverd, Mark A. . Forsyth, Colin. Morley, Steven K. (2021) Examination of radiation belt dynamics during substorm clusters: Activity drivers and dependencies of trapped flux enhancements.

Tyssøy, H. Nesse. Sinnhuber, M. Asikainen, T. Bender, S. Clilverd, M.A. . Funke, B. Kamp, M. Pettit, J.M. Randall, C.E. Reddmann, T. Rodger, C.J. Rozanov, E. Smith‐Johnsen, C. Sukhodolov, T. Verronen, P.T. Wissing, J.M. Yakovchuk, O. (2021) HEPPA III intercomparison experiment on electron precipitation impacts, part I: Estimated ionization rates during a geomagnetic active period in April 2010.

Belcher, Samuel R.G. Clilverd, Mark A. . Rodger, Craig J. Cook, Sophie. Thomson, Neil R. Brundell, James B. Raita, Tero. (2021) Solar flare X‐ray impacts on long subionospheric VLF paths.

Walton, S.D. Forsyth, C. Rae, I.J. Watt, C.E.J. Thompson, R.L. Horne, R.B. . Meredith, N.P. . Rodger, C.J. Walach, M.‐T. Clilverd, M.A. . Glauert, S.A. . (2021) Cross-L* coherence of the outer radiation belt during 2 storms and the role of the plasmapause.

Guttu, S. Orsolini, Y. Stordal, F. Otterå, O.H. Omrani, N. Tartaglione, N. Verronen, P.T. Rodger, C.J. Clilverd, M.A. . (2021) Impacts of UV Irradiance and Medium-Energy Electron Precipitation on the North Atlantic Oscillation during the 11-Year Solar Cycle..

Macotela, E.L. Clilverd, M. . Renkwitz, T. Chau, J. Manninen, J. Banyś, D. (2021) Spring‐fall asymmetry in VLF amplitudes recorded in the North Atlantic region: The fall‐effect.

Hendry, A.T. Rodger, C.J. Clilverd, M.A. . Morley, S.K. (2021) Evidence of sub‐MeV EMIC‐driven trapped electron flux dropouts from GPS observations.

Clilverd, Mark . Rodger, Craig J. Freeman, Mervyn P. . Brundell, James B. Mac Manus, Daniel H. Dalzell, Michael. Clarke, Ellen. Thomson, Alan W.P. Richardson, Gemma S. MacLeod, Finlay. Frame, Ian. (2021) Geomagnetically induced currents during the 07-08 September 2017 disturbed period: a global perspective.

Juhász, L. Lichtenberger, J. Omura, Y. Friedel, R.H.W. Clilverd, Mark . (2021) The derivation of bi-Maxwell distribution variables from chorus emissions detected on the ground.

Thomson, Neil R. Clilverd, Mark A. . Brundell, James B. Rodger, Craig J. (2021) Quiet night Arctic ionospheric D region characteristics.

Palmroth, M. Grandin, M. Sarris, T. Doornbos, E. Tourgaidis, S. Aikio, A. Buchert, S. Clilverd, M.A. . Dandouras, I. Heelis, R. Hoffmann, A. Ivchenko, N. Kervalishvili, G. Knudsen, D.J. Kotova, A. Liu, H-L. Malaspina, D.M. March, G. Marchaudon, A. Marghitu, O. Matsuo, T. Miloch, W.J. Moretto-Jørgensen, T. Mpaloukidis, D. Olsen, N. Papadakis, K. Pfaff, R. Pirnaris, P. Siemes, C. Stolle, C. Suni, J. van den IJssel, J. Verronen, P.T. Visser, P. Yamauchi, M. (2021) Lower-thermosphere-ionosphere (LTI) quantities: current status of measuring techniques and models.

Reidy, J.A. . Horne, R.B. . Glauert, S.A. . Clilverd, M. . Meredith, N.P. . Woodfield, E. . Ross, J.P. . Allison, H.J. Rodger, C.J. (2021) Comparing electron precipitation fluxes calculated from pitch angle diffusion coefficients to LEO satellite observations.

Hendry, A.T. Seppälä, A. Rodger, C.J. Clilverd, M.A. . (2021) Impact of EMIC‐wave driven electron precipitation on the radiation belts and the atmosphere.

2020

Clilverd, Mark A. . Rodger, Craig J. Brundell, James B. Dalzell, Michael. Martin, Ian. Mac Manus, Daniel H. Thomson, Neil R. (2020) Geomagnetically Induced Currents and Harmonic Distortion: High time Resolution Case Studies.

Newnham, D.A. . Rodger, C.J. Marsh, D.R. Hervig, M.E. Clilverd, M.A. . (2020) Spatial distributions of nitric oxide in the Antarctic winter‐time middle atmosphere during geomagnetic storms.

Sarris, Theodoros E. Talaat, Elsayed R. Palmroth, Minna. Dandouras, Iannis. Armandillo, Errico. Kervalishvili, Guram. Buchert, Stephan. Tourgaidis, Stylianos. Malaspina, David M. Jaynes, Allison N. Paschalidis, Nikolaos. Sample, John. Halekas, Jasper. Doornbos, Eelco. Lappas, Vaios. Moretto Jørgensen, Therese. Stolle, Claudia. Clilverd, Mark . Wu, Qian. Sandberg, Ingmar. Pirnaris, Panagiotis. Aikio, Anita. (2020) Daedalus: a low-flying spacecraft for in situ exploration of the lower thermosphere-ionosphere.

Hendry, A.T. Santolik, O. Miyoshi, Y. Matsuoka, A. Rodger, C.J. Clilverd, M.A. . Kletzing, C.A. Shoji, M. Shinohara, I. (2020) A multi-instrument approach to determining the source‐region extent of EEP-driving EMIC Waves.

Rodger, Craig J. Clilverd, Mark A. . MacManus, Daniel H. Martin, Ian. Dalzell, Michael. Brundell, James B. Divett, Tim. Thomson, Neil R. Petersen, Tanja. Obana, Yuki. Watson, Neville R. (2020) Geomagnetically Induced Currents and Harmonic Distortion: Storm‐time Observations from New Zealand.

Clilverd, Mark . Rodger, Craig. van de Kamp, Max. Verronen, Pekka. (2020) Electron precipitation from the outer radiation belt during the St Patrick’s Day storm 2015: observations, modelling, and validation.

2019

Capman, N.S.S. Simms, L.E. Engebretson, M.J. Clilverd, Mark . Rodger, C.J. Reeves, G.D. Lessard, M.R. Gjerloev, J. (2019) Comparison of multiple and logistic regression analyses of relativistic electron flux enhancement at geosynchronous orbit following storms.

George, Harriet E. Rodger, Craig J. Clilverd, Mark A. . Cresswell‐Moorcock, Kathy. Brundell, James B. Thomson, Neil R. (2019) Developing a nowcasting capability for X‐Class solar flares using VLF radiowave propagation changes.

Gokani, Sneha. Kosch, Mike. Clilverd, Mark . Rodger, Craig J. Sinha, Ashwini K. (2019) What fraction of the outer radiation belt relativistic electron flux at L≈3‐4.5 was lost to the atmosphere during the dropout event of the St Patrick’s Day storm of 2015?.

Thomson, Neil R. Clilverd, Mark A. . Rodger, Craig J. (2019) Very low latitude whistler‐mode signals: Observations at three widely spaced latitudes.

Hendry, Aaron T. Clilverd, Mark A. . Rodger, Craig J. Engebretson, Mark J. Editors: Jaynes, Allison. Usanova, Maria (2019) Ground-based very-low-frequency radio wave observations of energetic particle precipitation.

Rodger, Craig J. Turner, Drew L. Clilverd, Mark A. . Hendry, Aaron T. (2019) Magnetic local time‐resolved examination of radiation belt dynamics during high speed solar wind speed triggered substorm clusters.

Koronczay, Dávid. Lichtenberger, János. Clilverd, Mark . Rodger, Craig. Lotz, Stefan. Sannikov, Dmitry. Cherneva, Nina. Raita, Tero. Darrouzet, Fabien. Ranvier, Sylvain. Moore, Robert. (2019) The Source Regions of Whistlers..

Douma, E. Rodger, C.J. Blum, L.W. O'Brien, T.P. Clilverd, M.A. . Blake, J.B. (2019) Characteristics of relativistic microburst intensity from SAMPEX observations.

Ross, Johnathan P.J. . Meredith, Nigel P. . Glauert, Sarah A. . Horne, Richard B. . Clilverd, Mark A. . (2019) Effects of VLF transmitter waves on the inner belt and slot region.

Meredith, Nigel P. . Horne, Richard B. . Clilverd, Mark A. . Ross, Johnathan P.J. . (2019) An investigation of VLF transmitter wave power in the inner radiation belt and slot region.

Denton, M.H. Kivi, R. Ulich, T. Rodger, C.J. Clilverd, Mark . Denton, J.S. Lester, M. (2019) Observed response of stratospheric and mesospheric composition to sudden stratospheric warmings..

Lotz, S.I. Clilverd, Mark . (2019) Demonstrating the use of a class of min-max smoothers for D-region event detection in narrowband VLF phase.

Macotela, Edith L. Clilverd, Mark A. . Manninen, Jyrki. Thomson, Neil R. Newnham, David A. . Raita, Tero. (2019) The effect of ozone shadowing on the D region ionosphere during sunrise.

Simms, Laura E. Engebretson, Mark J. Clilverd, Mark . Rodger, Craig. (2019) Ground‐based observations of VLF waves as a proxy for satellite observations: Development of models including the influence of solar illumination and geomagnetic disturbance levels.

Newnham, David . Clilverd, Mark . Kosch, Michael. Verronen, Pekka T. (2019) Simulation study for ground-based Ku-band microwave observations of ozone and hydroxyl in the polar middle atmosphere.

Macotela, Edith L. Clilverd, Mark . Manninen, Jyrki. Moffat-Griffin, Tracy . Newnham, David A. . Raita, Tero. Rodger, Craig J. (2019) D-region high latitude forcing factors.

2018

Thomson, Neil R. Clilverd, Mark A. . Rodger, Craig J. (2018) Quiet daytime Arctic ionospheric D region.

van de Kamp, M. Rodger, C.J. Seppälä, A. Clilverd, Mark A. . Verronen, P.T. (2018) An updated model providing long-term data sets of energetic electron precipitation, including zonal dependence.

Saxton, J.M. Clilverd, Mark A. . Editors: Heywood, R.B (2018) Structure and motion in the inner magnetosphere, studied with very low frequency radio waves.

Newnham, David A. . Clilverd, Mark A. . Rodger, C.J. Hendrickx, K. Megner, L. Kavanagh, Andrew J. . Seppälä, A. Verronen, P.T. Andersson, M.E. Marsh, D.R. Kovács, T. Feng, W. Plane, J.M.C. (2018) Observations and modelling of increased nitric oxide in the Antarctic polar middle atmosphere associated with geomagnetic storm driven energetic electron precipitation.

Orsolini, Yvan J. Smith - Johnsen, Christine. Marsh, Daniel R. Stordal, Frode. Rodger, Craig J. Verronen, Pekka T. Clilverd, Mark A. . (2018) Mesospheric nitric acid enhancements during energetic electron precipitation events simulated by WACCM‐D.

Smith, A.J. Clilverd, Mark A. . (2018) Magnetic storm effects on the mid-latitude plasmasphere.

Clilverd, Mark A. . Rodger, Craig J. Brundell, James B. Dalzell, Michael. Martin, Ian. Mac Manus, Daniel H. Thomson, Neil R. Petersen, Tanja. Obana, Yuki. (2018) Long-lasting geomagnetically induced currents and harmonic distortion observed in New Zealand during the 07-08 September 2017 Disturbed Period.

Rae, I. Jonathan. Murphy, Kyle R. Watt, Clare E.J. Halford, Alexa J. Mann, Ian R. Ozeke, Louis G. Sibeck, David G. Clilverd, Mark A. . Rodger, Craig J. Degeling, Alexander W. Forsyth, Colin. Singer, Howard J. (2018) The role of localized compressional ultra-low frequency waves in energetic electron preipitation.

Simms, Laura. Engebretson, Mark. Clilverd, Mark . Rodger, Craig. Lessard, Marc. Gjerloev, Jesper. Reeves, Geoffrey. (2018) A distributed lag-autoregressive model of geostationary relativistic electron fluxes: comparing the influences of waves, seed and source electrons, and solar wind inputs.

Simms, Laura E. Engebretson, Mark J. Clilverd, Mark A. . Rodger, Craig J. Reeves, Geoffrey D. (2018) Nonlinear and synergistic effects of ULF Pc5, VLF chorus, and EMIC waves on relativistic electron flux at geosynchronous orbit.

Douma, Emma. Rodger, Craig J. Clilverd, Mark A. . Hendry, Aaron T. Engebretson, Mark J. Lessard, Marc R. (2018) Comparison of relativistic microburst activity seen by SAMPEX with ground-based wave measurements at Halley, Antarctica.

Clilverd, Mark A. . Smith, A.J. Thomson, N.R. (2018) The annual variation in quiet time plasmaspheric electron density, determined from whistler mode group delays.

Seppälä, A. Douma, E. Rodger, C.J. Verronen, P.T. Clilverd, Mark A. . Bortnik, J. (2018) Relativistic electron microburst events: Modeling the atmospheric impact.

Denton, M.H. Kivi, R. Ulich, T. Clilverd, M.A. . Rodger, C.J. von der Gathen, P. (2018) Northern Hemisphere stratospheric ozone depletion caused by solar proton events: the role of the polar vortex.

Andersson, M.E. Verronen, P.T. Marsh, D.R. Seppälä, A. Päivärinta, S.-M. Rodger, C.J. Clilverd, M.A. . Kalakoski, N. van de Kamp, M. (2018) Polar ozone response to energetic particle precipitation over decadal time scales: The role of medium-energy electrons.

Sazhin, S.S. Smith, A.J. Bullough, K. Clilverd, M.A. . Saxton, J.M. Strangeways, H.J. Tarcsai, Gy. (2018) Group delay times of whistler-mode signals from VLF transmitters observed at Faraday, Antarctica.

2017

Clilverd, Mark A. . Duthie, Roger . Rodger, Craig J. Hardman, Rachael L. Yearby, Keith H. (2017) Long-term climate change in the D-region.

Clilverd, M.A. . Thomson, N.R. Smith, A.J. (2017) Observation of two preferred propagation paths for whistler mode VLF signals received at a non-conjugate location.

Clilverd, M.A. . Smith, A..J. Thomson, N.R. (2017) The effects of ionospheric horizontal electron density gradients on whistler mode signals.

Douma, Emma. Rodger, Craig J. Blum, Lauren W. Clilverd, Mark A. . (2017) Occurrence characteristics of relativistic electron microbursts from SAMPEX observations.

Rodger, Craig J. Mac Manus, Daniel H. Dalzell, Michael. Thomson, Alan W.P. Clarke, Ellen. Petersen, Tanja. Clilverd, Mark A. . Divett, Tim. (2017) Long term geomagnetically induced current observations from New Zealand: peak current estimates for extreme geomagnetic storms.

Mac Manus, Daniel H. Rodger, Craig J. Dalzell, Michael. Thomson, Alan. Clilverd, Mark A. . Petersen, Tanja. Wolf, Moritz M. Thomson, Neil R. Divett, Tim. (2017) Long-term geomagnetically induced current observations in New Zealand: Earth return corrections and geomagnetic field driver.

Clilverd, M.A. . Thomson, N.R. Smith, A.J. (2017) The influence of ionospheric absorption on mid-latitude whistler mode signal occurrence from VLF transmitters.

Clilverd, M.A. . Clark, T.D.G. Smith, A.J. Thomson, N.R. (2017) Observation of a decrease in mid-latitude whistler mode signal occurrence prior to geomagnetic storms.

Thomson, Neil R. Clilverd, Mark A. . Rodger, Craig J. (2017) Midlatitude ionospheric D region: height, sharpness and solar zenith angle.

Oyama, S. Kero, A. Rodger, C.J. Clilverd, M.A. . Miyoshi, Y. Partamies, N. Turunen, E. Raita, T. Verronen, P.T. Saito, S. (2017) Energetic electron precipitation and auroral morphology at the substorm recovery phase.

Matthes, Katja. Funke, Bernd. Andersson, Monika E. Barnard, Luke. Beer, Jurg. Charbonneau, Paul. Clilverd, Mark A. . Dudok de Wit, Thierry. Haberreiter, Margit. Hendry, Aaron. Jackman, Charles H. Kretzschmar, Matthieu. Kruschke, Tim. Kunze, Markus. Langematz, Ulrike. Marsh, Daniel R. Maycock, Amanda C. Misios, Stergios. Rodger, Craig J. Scaife, Adam A. Seppala, Annika. Shangguan, Ming. Sinnhuber, Miriam. Tourpali, Kleareti. Usokin, Ilya. van de Kamp, Max. Verronen, Pekka T. Versick, Stefan. (2017) Solar Forcing for CMIP6.

Denton, M.H. Kivi, R. Ulich, T. Rodger, C.J. Clilverd, M.A. . Horne, R.B. . Kavanagh, A.J. . (2017) Solar proton events and stratospheric ozone depletion over northern Finland.

Clilverd, Mark A. . Rodger, Craig J. McCarthy, Michael. Millan, Robyn. Blum, Lauren W. Cobbett, Neil. Brundell, James B. Danskin, Donald. Halford, Alexa J. (2017) Investigating energetic electron precipitation through combining ground-based and balloon observations.

Hendry, Aaron T. Rodger, Craig J. Clilverd, Mark A. . (2017) Evidence of sub-MeV EMIC-driven electron precipitation.

Balmforth, H. F. Clilverd, M. A. . Smith, A. J. (2017) A case study of storm commencement and recovery plasmaspheric electric fields near L=2.5 at equinox.

van de Kamp, M. Seppala, Annika. Clilverd, Mark A. . Rodger, Craig J. Verronen, P.T. Whittaker, I.C. (2017) A model providing long-term data sets of energetic electron precipitation during geomagnetic storms.

2016

Clilverd, M.A. . Thomson, N.R. Smith, A.J. (2016) The effect of the mid-latitude ionospheric trough on whistler mode ducting during magnetic storms.

Yearby, K.H. Clilverd, M.A. . (2016) Doppler shift pulsations on whistler mode signals from a VLF transmitter.

Lev-Tov, Sean J. Inan, Umran S. Smith, Andy J. Clilverd, Mark A. . (2016) Characteristics of localized ionospheric disturbances inferred from VLF measurements at two closely spaced receivers.

Clilverd, M.A. . Rodger, C.J. Andersson, M.E. Seppala, A. Verronen, P.T. Editors: Balasis, Georgios. Daglis, Ioannis A. Mann, Ian R (2016) Linkages between the radiation belts, polar atmosphere and climate: Electron precipitation through wave particle interactions.

Clilverd, M.A. . Thomson, N.R. Smith, A.J. (2016) Ducted whistler-mode signals received at two widely spaced locations.

Clilverd, Mark A. . Horne, Richard B. . (2016) Ground-based evidence of latitude-dependent cyclotron absorption of whistler mode signals originating from VLF transmitters.

Hendry, Aaron T. Rodger, Craig J. Clilverd, Mark A. . Engebretson, Mark J. Mann, Ian R. Lessard, Marc R. Raita, Tero. Milling, David K. (2016) Confirmation of EMIC wave driven relativistic electron precipitation.

Thomson, N. R. Clilverd, M. A. . Smith, A. J. (2016) Evidence of more efficient whistler-mode transmission during periods of increased magnetic activity.

Simms, Laura E. Engebretson, Mark J. Pilipenko, Viacheslav. Reeves, Geoffrey D. Clilverd, Mark . (2016) Empirical predictive models of daily relativistic electron flux at geostationary orbit: Multiple regression analysis.

Kovács, Tamás. Plane, John M. C. Feng, Wuhu. Nagy, Tibor. Chipperfield, Martyn P. Verronen, Pekka T. Andersson, Monika E. Newnham, David A. . Clilverd, Mark A. . Marsh, Daniel R. (2016) D-region ion–neutral coupled chemistry (Sodankylä Ion Chemistry, SIC) within the Whole Atmosphere Community Climate Model (WACCM 4) – WACCM-SIC and WACCM-rSIC.

McCrea, Ian. Aikio, Anita. Alfonsi, Lucilla. Belova, Evgenia. Buchert, Stephan. Clilverd, Mark . Engler, Norbert. Gustavsson, Björn. Heinselman, Craig. Kero, Johan. Kosch, Mike. Lamy, Hervé. Leyser, Thomas. Ogawa, Yasunobu. Oksavik, Kjellmar. Pellinen-Wannberg, Asta. Pitout, Frederic. Rapp, Markus. Stanislawska, Iwona. Vierinen, Juha. (2016) The science case for the EISCAT_3D radar.

Rodger, Craig J. Cresswell-Moorcock, Kathy. Clilverd, Mark A. . (2016) Nature’s Grand Experiment: Linkage between magnetospheric convection and the radiation belts.

Rodger, Craig J. Hendry, Aaron T. Clilverd, Mark A. . Kletzing, Craig A. Brundell, James B. Reeves, Geoffrey D. (2016) High-resolution in situ observations of electron precipitation-causing EMIC waves.

2015

Seppälä, A. Clilverd, M. A. . Beharrell, M. J. Rodger, C. J. Verronen, P. T. Andersson, M. E. Newnham, D. A. . (2015) Substorm-induced energetic electron precipitation: Impact on atmospheric chemistry.

Seppälä, Annika. Clilverd, Mark A. . (2015) Response: Commentary: Energetic particle forcing of the Northern Hemisphere winter stratosphere: comparison to solar irradiance forcing.

Blum, L. W. Halford, A. Millan, R. Bonnell, J. W. Goldstein, J. Usanova, M. Engebretson, M. Ohnsted, M. Reeves, G. Singer, H. Clilverd, M. . Li, X. (2015) Observations of coincident EMIC wave activity and dusk-side energetic electron precipitation on 18-19 January 2013.

Cresswell-Moorcock, Kathy. Rodger, Craig J. Clilverd, Mark A. . Milling, David K. (2015) Techniques to determine the quiet day curve for a long period of subionospheric VLF observations.

Hardman, Rachael. Clilverd, Mark A. . Rodger, Craig J. Brundell, James B. Duthie, Roger . Holzworth, Robert H. Mann, Ian R. Milling, David K. Macusova, Eva. (2015) A case study of electron precipitation fluxes due to plasmaspheric hiss.

Beharrell, M. J. Honary, F. Rodger, C. J. Clilverd, M. A. . (2015) Substorm-induced energetic electron precipitation: Morphology and prediction.

Neal, Jason J. Rodger, Craig J. Clilverd, Mark A. . Thomson, Neil R. Raita, Tero. Ulich, Thomas. (2015) Long-term determination of energetic electron precipitation into the atmosphere from AARDDVARK subionospheric VLF observations.

Clilverd, Mark A. . Duthie, Roger . Hardman, Rachael. Hendry, Aaron T. Rodger, Craig J. Raita, Tero. Engebretson, Mark. Lessard, Marc R. Danskin, Donald. Milling, David K. (2015) Electron precipitation from EMIC waves: a case study from 31 May 2013.

Miyoshi, Y. Oyama, S. Saito, S. Kurita, S. Fujiwara, H. Kataoka, R. Ebihara, Y. Kletzing, C. Reeves, G. Santolik, O. Clilverd, M. . Rodger, C. J. Turunen, E. Tsuchiya, F. (2015) Energetic electron precipitation associated with pulsating aurora: EISCAT and Van Allen Probe observations.

Simms, Laura E. Engebretson, Mark J. Smith, A.J. Clilverd, Mark . Pilipenko, Viacheslav. Reeves, Geoffrey D. (2015) Analysis of the effectiveness of ground-based VLF wave observations for predicting or nowcasting relativistic electron flux at geostationary orbit.

Whittaker, Ian C. Clilverd, Mark A. . Rodger, Craig J. (2015) Characteristics of precipitating energetic electron fluxes relative to the plasmapause during geomagnetic storms.

2014

Whittaker, Ian C. Rodger, Craig J. Clilverd, Mark A. . Sauvaud, Jean-André. (2014) The effects and correction of the geometric factor for the POES/MEPED electron flux instrument using a multisatellite comparison.

Thomson, Neil R. Clilverd, Mark A. . Rodger, Craig J. (2014) Low-latitude ionospheric D region dependence on solar zenith angle.

Menk, Frederick. Kale, Zoë. Sciffer, Murray. Robinson, Peter. Waters, Colin. Grew, Russell. Clilverd, Mark . Mann, Ian. (2014) Remote sensing the plasmasphere, plasmapause, plumes and other features using ground-based magnetometers.

Andersson, M. E. Verronen, P. T. Rodger, C. J. Clilverd, M. A. . Seppälä, A. (2014) Missing driver in the Sun–Earth connection from energetic electron precipitation impacts mesospheric ozone.

Seppala, Annika. Clilverd, Mark A. . (2014) Energetic particle forcing of the Northern Hemisphere winter stratosphere: comparison to solar irradiance forcing.

Simms, Laura E. Pilipenko, Viacheslav A. Engebretson, Mark J. Reeves, Geoffrey D. Smith, A.J. Clilverd, Mark . (2014) Prediction of relativistic electron flux at geostationary orbit following storms: Multiple regression analysis.

Wedlund, Mea Simon. Clilverd, Mark A. . Rodger, Craig J. Cresswell-Moorcock, Kathy. Cobbett, Neil. Breen, Paul . Danskin, Donald. Spanswick, Emma. Rodriguez, Juan V. (2014) A statistical approach to determining energetic outer radiation-belt electron precipitation fluxes.

Denton, M. H. Kosch, M. J. Borovsky, J. E. Clilverd, M. A. . Friedel, R. H. W. Ulich, T. (2014) First optical observations of energetic electron precipitation at 4278 Å caused by a powerful VLF transmitter.

Lichtenberger, János. Clilverd, Mark A. . Heilig, Balázs. Vellante, Massimo. Manninen, Jyrki. Rodger, Craig J. Collier, Andrew B. Jørgensen, Anders M. Reda, Jan. Holzworth, Robert H. Friedel, Reinhard. Simon-Wedlund, Mea. (2014) The plasmasphere during a space weather event: first results from the PLASMON project.

Hendry, Aaron T. Rodger, Craig J. Clilverd, Mark A. . Thomson, Neil R. Morley, Steven K. Raita, Tero. Editors: Summers, D. Mann, I.R. Baker, D.N. Schulz, M (2014) Rapid radiation belt losses occurring during high-speed solar wind stream-driven storms: importance of energetic electron precipitation.

Watkins, Nicholas W. Clilverd, Mark A. . Smith, Andy J. Yearby, Keith H. (2014) A 25-year record of 10 kHz sferics noise in Antarctica: Implications for tropical lightning levels.

Clilverd, Mark A. . Cobbett, Neil. Rodger, Craig J. Brundell, James B. Denton, Michael H. Hartley, David P. Rodriguez, Juan V. Danskin, Donald. Raita, Tero. Spanswick, Emma L. (2014) Energetic electron precipitation characteristics observed from Antarctica during a flux dropout event.

Whittaker, Ian C. Gamble, Rory J. Rodger, Craig J. Clilverd, Mark A. . Sauvaud, Jean-André. (2014) Determining the spectra of radiation belt electron losses: Fitting DEMETER electron flux observations for typical and storm times.

2013

Millan, R. M. McCarthy, M. P. Sample, J. G. Smith, D. M. Thompson, L. D. McGaw, D. G. Woodger, L. A. Hewitt, J. G. Comess, M. D. Yando, K. B. Liang, A. X. Anderson, B. A. Knezek, N. R. Rexroad, W. Z. Scheiman, J. M. Bowers, G. S. Halford, A. J. Collier, A. B. Clilverd, M. A. . Lin, R. P. Hudson, M. K. (2013) The Balloon Array for RBSP Relativistic Electron Losses (BARREL).

Newnham, David A. . Espy, Patrick J. Clilverd, Mark A. . Rodger, Craig J. Seppala, Annika. Maxfield, David J. Straub, Corinne. Holmén, Kim. Horne, Richard B. . (2013) Observations of nitric oxide in the Antarctic middle atmosphere during recurrent geomagnetic storms.

Rodger, Craig J. Kavanagh, Andrew J. . Clilverd, Mark A. . Marple, Steve R. (2013) Comparison between POES energetic electron precipitation observations and riometer absorptions; implications for determining true precipitation fluxes.

Clilverd, M.A. . Clark, T.D.G. Clarke, E. Rishbeth, H. (2013) Increased magnetic storm activity from 1868 to 1995.

Rodger, Craig J. Clilverd, Mark A. . Yearby, Keith H. Smith, Andy J. (2013) Magnetospheric line radiation observations at Halley, Antarctica.

Rodger, Craig J. Clilverd, Mark A. . Thomson, Neil R. (2013) Modeling of subionospheric VLF signal perturbations associated with earthquakes.

Menk, F. W. Orr, D. Clilverd, M. A. . Smith, A. J. Waters, C. L. Milling, D. K. Fraser, B. J. (2013) Monitoring spatial and temporal variations in the dayside plasmasphere using geomagnetic field line resonances.

Clilverd, Mark A. . Yeo, Richard F. Nunn, David. Smith, Andy J. (2013) Latitudinally dependent Trimpi effects: modeling and observations.

Clilverd, Mark A. . Watkins, Nicholas W. Smith, Andy J. Yearby, Keith H. (2013) Diurnal and annual variations in 10-kHz radio noise.

Clilverd, Mark A. . Thomson, Neil R. Rodger, Craig J. (2013) Sunrise effects on VLF signals propagating over a long north-south path.

Cresswell-Moorcock, Kathy. Rodger, Craig J. Kero, Antti. Collier, Andrew B. Clilverd, Mark A. . Häggström, Ingemar. Pitkänen, Timo. (2013) A re-examination of latitudinal limits of substorm-produced energetic electron precipitation.

Verronen, Pekka T. Andersson, Monika E. Rodger, Craig J. Clilverd, Mark A. . Wang, Shuhui. Turunen, Esa. (2013) Comparison of modeled and observed effects of radiation belt electron precipitation on mesospheric hydroxyl and ozone.

Bertoni, Fernando Celso Perin. Raulin, Jean-Pierre. Rivero Gavilán, Hernán. Kaufmann, Pierre. Rodriguez, Rodolfo. Clilverd, Mark . Cardenas, Jorge Samanes. Fernandez, Germán. (2013) Lower ionosphere monitoring by the South America VLF Network (SAVNET): C-region occurrence and atmospheric temperature variability.

Clilverd, Mark A. . Rodger, Craig J. Thomson, Neil R. (2013) Investigating seismoionospheric effects on a long subionospheric path.

Andersson, M. E. Verronen, P. T. Rodger, C. J. Clilverd, M. A. . Wang, S. (2013) Longitudinal hot-spots in the mesospheric OH variations due to energetic electron precipitation.

Thomson, Neil R. Clilverd, Mark A. . (2013) Solar cycle changes in daytime VLF subionospheric attenuation.

Rose, Mike C. Jarvis, Martin J. Clilverd, Mark A. . Maxfield, David J. Rosenberg, Theodore J. (2013) The effect of snow accumulation on imaging riometer performance.

Rodger, Craig J. Clilverd, Mark A. . Yearby, Keith H. Smith, Andy J. (2013) Temporal properties of magnetospheric line radiation.

Rodger, Craig J. Clilverd, Mark A. . Yearby, Keith H. Smith, Andy J. (2013) Is magnetospheric line radiation man-made?.

Carson, Bonar R. Rodger, Craig J. Clilverd, Mark A. . (2013) POES satellite observations of EMIC-wave driven relativistic electron precipitation during 1998-2010.

Seppälä, A. Lu, H. . Clilverd, M.A. . Rodger, C.J. (2013) Geomagnetic activity signatures in wintertime stratosphere wind, temperature, and wave response.

Clilverd, Mark A. . Rodger, Craig J. Danskin, Donald. Usanova, Maria E. Raita, Tero. Ulich, Thomas. Spanswick, Emma L. (2013) Energetic particle injection, acceleration, and loss during the geomagnetic disturbances which upset Galaxy 15.

Delport, B. Collier, A.B. Lichtenberger, J. Rodger, C.J. Parrot, M. Clilverd, M.A. . Friedel, R.H.W. (2013) Simultaneous observation of chorus and hiss near the plasmapause.

2012

Clilverd, Mark A. . Jenkins, Barbara. Thomson, Neil R. (2012) Plasmaspheric storm time erosion.

Thomson, Neil R. Rodger, Craig J. Clilverd, Mark A. . (2012) Tropical daytime lower D-region dependence on sunspot number.

Watkins, N.W. Clilverd, M.A. . Smith, A.J. Rodger, C.J. Bharmal, N.A. Yearby, K.H. (2012) Lightning atmospherics count rates observed at Halley, Antarctica.

Watkins, N.W. Bharmal, N.A. Clilverd, M.A. . Smith, A.J. (2012) Comparison of VLF sferics intensities at Halley, Antarctica, with tropical lightning and temperature.

Thomson, Neil R. Clilverd, Mark . (2012) Solar flare induced ionospheric D-region enhancements from VLF amplitude observations.

Smith, A.J. Grieve, M.B. Clilverd, M.A. . Rodger, C.J. (2012) A quantitative estimate of the ducted whistler power within the outer plasmasphere.

Rodger, Craig J. Cho, Mengu. Clilverd, Mark A. . Rycroft, Michael J. (2012) Lower ionospheric modification by lightning-EMP: simulation of the night ionosphere over the United States.

Clarke, Ellen. Clilverd, Mark . Macmillan, Susan. (2012) Geomagnetic and Solar Variability and Natural Climate Change.

Lu, Hua . Li, Yun. Clilverd, Mark A. . Jarvis, Martin J. (2012) Trend and abrupt changes in long-term geomagnetic indices.

Dowden, Richard. Rodger, Craig. Brundell, James. Clilverd, Mark . (2012) Decay of whistler-induced electron precipitation and cloud-ionosphere electrical discharge Trimpis: observations and analysis.

Clilverd, Mark A. . Rodger, Craig J. Thomson, Neil R. Lichtenberger, János. Steinbach, Péter. Cannon, Paul. Angling, Matthew J. (2012) Total solar eclipse effects on VLF signals: observations and modeling.

Clilverd, Mark A. . Rodger, Craig J. Thomson, Neil R. Yearby, Keith H. (2012) Investigating the possible association between thunderclouds and plasmaspheric ducts.

Andersson, Monika E. Verronen, Pekka T. Wang, Shuhui. Rodger, Craig J. Clilverd, Mark A. . Carson, Bonar R. (2012) Precipitating radiation belt electrons and enhancements of mesospheric hydroxyl during 2004–2009.

Rodger, Craig J. Clilverd, M.A. . Kavanagh, Andrew J. Watt, Clare E.J. Verronen, Pekka T. Raita, Tero. (2012) Contrasting the responses of three different ground-based instruments to energetic electron precipitation.

Menk, F.W. Ables, S.T. Grew, R.S. Clilverd, M.A. . Sandel, B.R. (2012) The annual and longitudinal variations in plasmaspheric ion density.

Dent, Zoë C. Mann, I.R. Menk, F.W. Goldstein, J. Wilford, C.R. Clilverd, M.A. . Ozeke, L.G. (2012) A coordinated ground-based and IMAGE satellite study of quiet-time plasmaspheric density profiles.

Clilverd, Mark . Rodger, Craig J. Rae, Jonathan. Brundell, James B. Thomson, Neil R. Cobbett, Neil. Verronen, Pekka T. Menk, Fredrick W. (2012) Combined THEMIS and ground-based observations of a pair of substorm-associated electron precipitation events.

Rodger, Craig J. Clilverd, Mark A. . (2012) Inner radiation belt electron lifetimes due to whistler-induced electron precipitation (WEP) driven losses.

Rodger, Craig J. Clilverd, Mark A. . Dowden, Richard L. (2012) D region reflection height modification by whistler-induced electron precipitation.

Clilverd, M.A. . Ulich, T. Jarvis, M.J. (2012) Residual solar cycle influence on trends in ionospheric F2-layer peak height.

Clilverd, M.A. . Menk, F.W. Milinevski, G. Sandel, B.R. Goldstein, J. Reinisch, B.W. Wilford, C.R. Rose, M.C. Thomson, N.R. Yearby, K.H. Bailey, G.J. Mann, I.R. Carpenter, D.L. (2012) In situ and ground-based intercalibration measurements of plasma density at L = 2.5.

Clilverd, Mark A. . Clarke, Ellen. Rishbeth, Henry. Clark, Toby D.G. Ulich, Thomas. (2012) Solar activity levels in 2100.

Ulich, Thomas. Clilverd, Mark A. . Rishbeth, Henry. (2012) Determining long-term change in the ionosphere.

Rodger, Craig J. Clilverd, Mark A. . McCormick, Robert J. (2012) Significance of lightning-generated whistlers to inner radiation belt electron lifetimes.

Rodger, C.J. Nunn, D. Clilverd, M.A. . (2012) Investigating radiation belt losses though numerical modelling of precipitating fluxes.

Rodger, Craig J. McCormick, Robert J. Clilverd, Mark A. . (2012) Testing the importance of precipitation loss mechanisms in the inner radiation belt.

Nunn, D. Clilverd, M.A. . Rodger, C.J. Thomson, N.R. (2012) The impact of PMSE and NLC particles on VLF propagation.

Menk, F.W. Mann, I.R. Smith, A.J. Waters, C.L. Clilverd, M.A. . Milling, D.K. (2012) Monitoring the plasmapause using geomagnetic field line resonances.

Chu, Xinzhao. Nott, Graeme J. Espy, Patrick J. Gardner, Chester S. Diettrich, Jan C. Clilverd, Mark A. . Jarvis, Martin J. (2012) Lidar observations of polar mesospheric clouds at Rothera, Antarctica (67.5 degrees S, 68.0 degrees W).

2011

Thomson, Neil R. Rodger, Craig J. Clilverd, Mark . (2011) Daytime D region parameters from long-path VLF phase and amplitude.

Newnham, David A. . Espy, Patrick J. Clilverd, Mark A. . Rodger, Craig J. Seppälä, Annika. Maxfield, David J. Hartogh, Paul. Holmén, Kim. Horne, Richard B. . (2011) Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere.

Jarvis, M.J. Clilverd, M.A. . Ulich, Th. (2011) Methodological influences on F-region peak height trend analyses.

Li, Yun. Lu, Hua . Jarvis, Martin J. Clilverd, Mark A. . Bates, Bryson. (2011) Nonlinear and nonstationary influences of geomagnetic activity on the winter North Atlantic Oscillation.

Clilverd, Mark A. . Nunn, David. Lev-Tov, Sean J. Inan, Umran S. Dowden, Richard L. Rodger, Craig J. Smith, Andy J. (2011) Determining the size of lightning-induced electron precipitation patches.

Clilverd, Mark A . Clark, Toby D.G. Clarke, Ellen. Rishbeth, Henry. Ulich, Thomas. (2011) The causes of long-term change in the aa index.

Rodger, Craig J. Carson, Bonar R. Cummer, Steven A. Gamble, Rory J. Clilverd, Mark A. . Green, Janet C. Sauvaud, Jean-Andre. Parrot, Michel. Berthelier, Jean-Jacques. (2011) Contrasting the efficiency of radiation belt losses caused by ducted and nonducted whistler-mode waves from ground-based transmitters.

Baumgaertner, A.J.G. Seppälä, A. Jöckel, P. Clilverd, M.A. . (2011) Geomagnetic activity related NOx enhancements and polar surface air temperature variability in a chemistry climate model: modulation of the NAM index.

Lichtenberger, János. Ferencz, Csaba. Hamar, Daniel. Steinbach, Peter. Rodger, Craig J. Clilverd, Mark A. . Collier, Andrew B. (2011) Automatic Whistler Detector and Analyzer system: Implementation of the analyzer algorithm.

Verronen, Pekka T. Rodger, Craig J. Clilverd, Mark A. . Wang, Shuhui. (2011) First evidence of mesospheric hydroxyl response to electron precipitation from the radiation belts.

Thomson, Neil R. Clilverd, Mark A. . Rodger, Craig J. (2011) Daytime midlatitude D region parameters at solar minimum from short-path VLF phase and amplitude.

Dietrich, Sarah. Rodger, Craig J. Clilverd, Mark A. . Bortnik, Jacob. Raita, Tero. (2011) Relativistic microburst storm characteristics: Combined satellite and ground-based observations.

Collier, A.B. Lichtenberger, J. Clilverd, M.A. . Rodger, C.J. Steinbach, P. (2011) Source region for whistlers detected at Rothera, Antarctica.

Rodger, Craig J. Clilverd, Mark A. . Seppälä, Annika. Thomson, Neil R. Gamble, Rory J. Parrot, Michel. Sauvaud, Jean-André. Ulich, Thomas. (2011) Radiation belt electron precipitation due to geomagnetic storms: Significance to middle atmosphere ozone chemistry.

Clilverd, Mark A. . Rodger, Craig J. Gamble, Rory J. Ulich, Thomas. Raita, Tero. Seppälä, Annika. Green, Janet C. Thomson, Neil R. Sauvaud, Jean-André. Parrot, Michel. (2011) Ground-based estimates of outer radiation belt energetic electron precipitation fluxes into the atmosphere.

Rodger, Craig J. Clilverd, Mark A. . (2011) Magnetospheric physics – Hiss from the chorus.

Clilverd, Mark A. . Rodger, Craig J. Moffat-Griffin, Tracy . Spanswick, Emma. Breen, Paul . Menk, Frederick W. Grew, Russell S. Hayashi, Kanji. Mann, Ian R. (2011) Energetic outer radiation belt electron precipitation during recurrent solar activity.

2010

Turunen, Esa. Verronen, Pekka T. Seppälä, Annika. Rodger, Craig J. Clilverd, Mark A. . Tamminen, Johanna. Enell, Carl-Fredrik. Ulich, Thomas. (2010) Impact of different energies of precipitating particles on NOx generation in the middle and upper atmosphere during geomagnetic storms.

Seppälä, A. Randall, C.E. Clilverd, Mark A. . Rozanov, E. Rodger, C.J. (2010) Geomagnetic activity and polar surface air temperature variability.

Rodger, Craig J. Clilverd, Mark A. . Green, Janet C. Lam, Mai Mai . (2010) Use of POES SEM-2 observations to examine radiation belt dynamics and energetic electron precipitation into the atmosphere.

Ferencz, Csaba. Lichtenberger, Janos. Hamar, Daniel. Ferencz, Orsolya E. Steinbach, Peter. Szekely, Balazs. Parrot, Michel. Lefeuvre, Francois. Berthelier, Jean-Jacques. Clilverd, Mark . (2010) An unusual VLF signature structure recorded by the DEMETER satellite.

Clilverd, Mark A. . Rodger, Craig J. Dietrich, Sarah. Raita, Tero. Ulich, Thomas. Clarke, Ellen. Thomson, Alan W.P. Kavanagh, Andrew J. (2010) High-latitude geomagnetically induced current events observed on very low frequency radio wave receiver systems.

Clilverd, M.A. . Seppala, A. Rodger, C.J. Mlynczak, M.G. Kozyra, J.U. (2010) Additional stratospheric NOx production by relativistic electron precipitation during the 2004 spring NOx descent event.

Rodger, C.J. Verronen, P.T. Clilverd, M.A. . Seppala, A. Turunen, E. (2010) Atmospheric impact of the Carrington event solar protons.

Clilverd, M.A. . Rodger, C.J. Brundell, J.B. Bahr, J. Cobbett, N. Moffat-griffin, T. . Kavanagh, A.J. Seppala, A. Thomson, N.R. Friedel, R.H.W. Menk, F.W. (2010) Energetic electron precipitation during substorm injection events: high-latitude fluxes and an unexpected midlatitude signature.

Rodger, C.J. Raita, T. Clilverd, M.A. . Seppala, A. Dietrich, S. Thomson, N.R. Ulich, T. (2010) Observations of relativistic electron precipitation from the radiation belts driven by EMIC waves.

Gamble, R.J. Rodger, C.J. Clilverd, M.A. . Sauvaud, J.-A. Thomson, N.R. Stewart, S.L. Mccormick, R.J. Parrot, M. Berthelier, J.-.J. (2010) Radiation belt electron precipitation by man-made VLF transmissions.

Rodger, C.J. Seppala, A. Clilverd, M.A. . (2010) Significance of transient luminous events to neutral chemistry: experimental measurements.

Seppala, A. Clilverd, M.A. . Rodger, C.J. Verronen, P.T. Turunen, E. (2010) The effects of hard-spectra solar proton events on the middle atmosphere.

Seppälä, Annika. Verronen, Pekka T. Clilverd, Mark A. . Randall, Cora E. Tamminen, Johanna. Sofieva, Viktoria. Backman, Leif. Kyrölä, Erkki. (2010) Arctic and Antarctic polar winter NOx and energetic particle precipitation in 2002-2006.

Clilverd, M.A. . Rodger, C.J. Millan, R.M. Sample, J.G. Kokorowski, M. Mccarthy, M.P. Ulich, T. Raita, T. Kavanagh, A.J. Spanswick, E. (2010) Energetic particle precipitation into the middle atmosphere triggered by a coronal mass ejection.

Verronen, P.T. Rodger, C.J. Clilverd, M.A. . Pickett, H.M. Turunen, E. (2010) Latitudinal extent of the January 2005 solar proton event in the Northern Hemisphere from satellite observations of hydroxyl.

Rodger, C.J. Enell, C.-F. Turunen, E. Clilverd, M.A. . Thomson, N.R. Verronen, P.T. (2010) Lightning-driven inner radiation belt energy deposition into the atmosphere: implications for ionisation-levels and neutral chemistry.

Thomson, N.R. Clilverd, M.A. . Mcrae, W.M. (2010) Nighttime ionospheric D-region parameters from VLF phase and amplitude.

Seppala, A. Clilverd, M.A. . Rodger, C.J. (2010) NOx enhancements in the middle atmosphere during 2003-2004 polar winter: relative significance of solar proton events and the aurora as source.

Rodger, C.J. Clilverd, M.A. . Nunn, D. Verronen, P.T. Bortnik, J. Turunen, E. (2010) Storm time short-lived bursts of relativistic electron precipitation detected by subionospheric radio wave propagation.

Ulich, T. Clilverd, M.A. . Jarvis, M.J. Rishbeth, H. Editors: Lilensten, J (2010) Unravelling signs of global change in the ionosphere.

Clilverd, M.A. . Seppala, A. Rodger, C.J. Thomson, N.R. Lichtenberger, J. Steinbach, P. (2010) Temporal variability of the descent of high-alitutude NOx inferred from ionospheric data.

Jones, G.O.L. Clilverd, M.A. . Espy, P.J. Chew, S. Fritts, D.C. Riggin, D.M. (2010) An alternative explanation of PMSE-like scatter in MF radar data.

Clilverd, M.A. . Rodger, C.J. Nunn, D. (2010) Radiation belt electron precipitation fluxes associated with lightning.

2009

Clilverd, Mark. A. . Rodger, Craig. J. Brundell, James. B. Ulich, Thomas. Lichtenberger, Janos. Cobbett, Neil. Collier, Andrew.B. Menk, Frederick.W. Seppala, Annika. Verronen, Pekka.T. Turunen, Esa. (2009) Remote sensing space weather events: Antarctic-Arctic radiation-belt (Dynamic) Deposition-VLF Atmospheric Research Konsortium network.

Dowden, Richard L. Holzworth, Robert H. Rodger, Craig J. Lichtenberger, Janos. Thomson, Neil R. Jacobson, Abram R. Lay, Erin. Blundell, James B. Lyons, Thomas J. O'Keefe, Steven. Kawasaki, Zen. Price, Colin. Prior, Victor. Ortega, Pascal. Weinman, James. Mikhailov, Yuri. Veliz, Oscar. Qie, Xiushu. Burns, Gary. Collier, Andrew. Diaz, Ricardo. Adamo, Claudia. Williams, Earle R. Kumar, Sushil. Raga, G.B. Rosado, Jose M. Avila, Eldo E. Clilverd, M.A. . Ulich, T. Gorham, Peter. Shanahan, Tom. Osipowicz, Thomas. Cook, Gregory. Zhao, Yang. (2009) World-wide lightning location using VLF propagation in the Earth-Ionosphere waveguide.

Rodger, Craig J. Clilverd, Mark A. . Thomson, Neil R. Gamble, Rory J. Seppala, Annika. Turunen, Esa. Meredith, Nigel P. . Parrot, Michel. Sauvaud, Jean Andre. Berthelier, Jean-Jacques. (2009) Radiation belt electron precipitation into the atmosphere: Recovery from a geomagnetic storm.

Lu, Hua . Clilverd, Mark A. . Seppälä, Annika. Hood, Lon L. (2009) Geomagnetic perturbations on stratospheric circulation in late winter and spring.

Clilverd, M.A. . Meredith, N.P. . Horne, R.B. . Glauert, S.A. . Anderson, R.R. Thomson, N.R. Menk, F.W. Sandel, B.R. (2009) Longitudinal and seasonal variations in plasmaspheric electron density: Implications for electron precipitation.

Clilverd, Mark A. . Rodger, Craig J. Gamble, Rory. Meredith, Nigel P. . Parrot, Michel. Berthelier, Jean-Jacques. Thomson, Neil R. (2009) Ground-based transmitter signals observed from space: Ducted or nonducted?.

2008

Thomson, Neil R. Rodger, Craig J. Clilverd, Mark A. . (2008) Large solar flares and their ionospheric D region enhancements.

Verronen, Pekka T. Seppala, Annika. Clilverd, Mark A. . Rodger, Craig J. Kyrola, Erkki. Enell, Carl-Fredrik. Ulich, Thomas. Turunen, Esa. (2008) Diurnal variation of ozone depletion during the October–November 2003 solar proton events.

Rodger, C.J. Clilverd, M.A. . Thomson, N.R. Nunn, D. Lichtenberger, J. (2008) Lightning driven inner radiation belt energy deposition into the atmosphere: regional and global estimates.

Rose, Mike C. Clilverd, Mark A. . Jarvis, Martin J. Rodwell, Shane. (2008) Polar mesosphere summer echo detection using a dynasonde.

2007

Jarvis, Martin J. Clilverd, Mark A. . Rose, Mike C. Rodwell, Shane. (2007) Polar mesosphere summer echoes (PMSE) at Halley (76°S, 27°W), Antarctica.

Clilverd, Mark A. . Clarke, Ellen. Ulich, Thomas. Linthe, Joachim. Rishbeth, Henry. (2007) Reconstructing the long-term aa index.

Clilverd, Mark A. . Rodger, Craig J. Ulich, Thomas. Seppala, Annika. Turunen, Esa. Botman, Aurelein. Thomson, Neil R. (2007) Modeling a large solar proton event in the southern polar atmosphere.

Grew, R.S. Menk, F.W. Clilverd, M.A. . Sandel, B.R. (2007) Mass and electron densities in the inner magnetosphere during a prolonged disturbed interval.

Seppälä, A. Verronen, P.T. Sofieva, V.F. Tamminen, J. Kyrölä, E. Rodger, C.J. Clilverd, M.A. . (2007) Destruction of the tertiary ozone maximum during a solar proton event.

Clilverd, Mark A. . Seppala, Annika. Rodger, Craig J. Verronen, Pekka T. Thomson, Neil R. (2007) Ionospheric evidence of thermosphere-to-stratosphere descent of polar NOx.

Clilverd, Mark A. . Rodger, Craig J. Ulich, Thomas. (2007) The importance of atmospheric precipitation in storm-time relativistic electron flux drop outs.

Clilverd, Mark A. . Seppala, Annika. Rodger, Craig J. Thomson, Neil R. Verronen, Pekka T. Turunen, Esa. Ulich, Thomas. Lichtenberger, Janos. Steinbach, Peter. (2007) Modeling polar ionospheric effects during the October-November 2003 solar proton events.

Menk, F.W. Clilverd, M.A. . Yearby, K.H. Milinevski, G. Thomson, N.R. Rose, M.C. (2007) ULF Doppler oscillation of L = 2.5 flux tubes.

Meredith, Nigel P. . Horne, Richard B. . Clilverd, Mark A. . Horsfall, David. Thorne, Richard M. Anderson, Roger R. (2007) Origins of plasmaspheric hiss.

Rodger, Craig J. Clilverd, Mark A. . Verronen, Pekka T. Ulich, Thomas. Jarvis, Martin J. Turunen, Esa. (2007) Dynamic geomagnetic rigidity cutoff variations during a solar proton event.

Rodger, C.J. Clilverd, M.A. . Ulich, T. Verronen, P.T. Turunen, E. Thomson, N.R. (2007) The atmospheric implications of radiation belt remediation.

Clilverd, Mark . Rodger, Craig. Moffat-Griffin, Tracy . Verronen, Pekka. (2007) Improved dynamic geomagnetic rigidity cutoff modeling: testing predictive accuracy.

Clilverd, Mark . Clarke, Ellen. Ulich, T. Rishbeth, H. Jarvis, Martin. (2007) Predicting Solar Cycle 24 and beyond.

Meredith, N., Bortnik, J., Hua, M., Cayton, T., Clilverd, M., Daggitt, T., & Bunting, K. (2025). Solar Wind and Geomagnetic Conditions that Lead to the Largest Relativistic Electron Fluxes in GPS Orbit (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/b6d3de94-c1db-42f6-9342-061f6b74d99c
Newnham, D. (2022). Atmospheric observational datasets: Ozone vertical profiles in the polar middle atmosphere north of Ny Ålesund, Spitsbergen (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/19845e8e-d6ef-4f95-8961-4da60f8294d3
Meredith, N., Horne, R., Clilverd, M., & Ross, J. (2019). Global models of the VLF transmitter wave power in the inner radiation belt and slot region (Version 1.0) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/395408f5-0f0e-43b3-83c8-dfa719a1bb87
Ross, J., Meredith, N., Glauert, S., Horne, R., & Clilverd, M. (2019). Effects of VLF transmitter waves on the inner belt and slot region (Version 1.0) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/93ff55bf-7415-44c8-8e3d-7e2f5c5ffd6d
Clilverd, M. (2007). Very Low frequency (VLF) Doppler Radio Receiver data from Rothera, Antarctica in 2001-2002 (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/00284
Clilverd, M., & Kirsch, P. (2004). VELOX (VLF/ELF Logger Experiment) data, Halley Station, 1992 onwards (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/00055

PRESCIENT

PRESCIENT supports long-term, strategically important measurements and capabilities for the wider science community.

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Space Weather Impact on Ground-based Systems (SWIGS)

SWIGS investigated how space weather drives geomagnetically induced currents in power grids, pipelines, and railways.

Read more of: Space Weather Impact on Ground-based Systems (SWIGS)
‘Sounds of Space’

Sounds of Space uses a Very Low Frequency receiver to pick up radio waves made by our planet and investigate the science of space weather storms, to help understand potential space weather impacts on the climate system, and for lightning detection.

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Space Weather Observatory

Assessing Space Weather impacts

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Rad-Sat

Rad-Sat is a NERC Highlight Topic that brings together a consortium of scientists from 5 different UK research groups, stakeholders from the space industry and a network of international collaborators.

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Low Power Magnetometer (LPM) Network

Access data from the Low Power Magnetometer (LPM) network

Read more of: Low Power Magnetometer (LPM) Network
Measuring space weather for climate models

The objective of QEPPA is to work out the amount of charged particles that hit our atmosphere during space weather events in order to improve how our models represent this effect on our atmosphere and climate.

Read more of: Measuring space weather for climate models
Decoding Ionospheric Dynamics

DRIIVE researches how polar ionosphere changes affect satellite orbits, communications, and space weather forecasts.

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Scientist awarded prestigious award

British Antarctic Survey space weather scientist, Dr Mark Clilverd, has been awarded a prestigious award from the Royal Astronomical Society (RAS) in their 2019 Awards. The award recognises Mark as […]

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NEWS STORY: Lessons from electrons

Study of electrons in space could help weather forecasting Researchers have discovered a formerly undetected impact of space weather on the polar atmosphere, which may explain some previously unexplained variations […]

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British Antarctic Survey teams up with Lancaster University to understand “killer electrons”

British Antarctic Survey is working with Lancaster University to understand how particles from space affect the Earth’s atmosphere. Scientists aim to find out more about so-called “killer electrons” in the […]

Read more of: British Antarctic Survey teams up with Lancaster University to understand “killer electrons”
US satellite protection scheme could affect global communications

A proposed US system to protect satellites from solar storms or high-altitude nuclear detonations could cause side-effects that lead to radio communication blackouts, according to new research. If activated, the […]

Read more of: US satellite protection scheme could affect global communications

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Space Weather and Atmosphere team

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