Publications

2021

Desai, R.T., Zhang, Z., Wu, X. & Lue, C. (2021). Photodetachment and Test-particle Simulation Constraints on Negative Ions in Solar System Plasmas, The Planetary Science Journal, 2 (99), https://doi.org/10.3847/psj/abf638.

Zhang, Z., Desai, R.T., Miyake, M. Usui, H., & Shebannits, O. (2021). Particle-incell simulations of Cassini spacecraft’s interaction with Saturn’s ionosphere during the Grand Finale. Monthly Notices of the Royal Astronomical Society, 504 (1), https://doi.org/10.1093/mnras/stab750.

Reidy, J.A., Horne, R.B., Glauert, S.A., Cliverd, M.A., Meredith, N.P., Woodfield, E.E., Ross, J.P., et al. (2021). Comparing Electron Precipitation Fluxes Calculated From Pitch Angle Diffusion Coefficients to LEO Satellite Observations, Journal of Geophysical Research, Space Physics, 126, e2020JA028410. https://doi. org/10.1029/2020JA028410

Lozinski, A.R., Horne, R.B., Glauert, A., Del Zanna, G., & Albert, J.M. (2021). Optimization of Radial Diffusion Coefficients for the Proton Radiation Belt During the CRRES Era, Journal of Geophysical Research, Space Physics, 126, e2020JA028486. https://doi. org/10.1029/2020JA028486

Liu, X., Gu, W., Xia, Z., Chen, L., & Horne, R.B. (2021). Frequency-Dependent Modulation of Whistler-Mode Waves by Density Irregularities During the Recovery Phase of a Geomagnetic Storm. Geophysical Research Letters, 48, e2021GL093095. https://doi.org/10.1029/2021GL093095

Hapgood, M., Angling, M.J., Attrill, G., Bisi, M., Cannon, P.S., Dyer, C., Eastwood, J.P., Elvidge, S., et al. (2021). Development of Space Weather Reasonable Worse-Case Scenarios for UK National Risk Assessment. Space Weather, 19, e2020SW002593. https:// doi.org/10.1029/2020SW002593

Gu, W., Chen, L., Xia, Z., & Horne, R.B. (2021). Direct Evidence Reveals Transmitter Signal Propagation into the Magnetosphere. Geophysical Research Letters, 48, e2021GL093987. https://doi. org/10.1029/2021GL093987

Desai, R.T., Eastwood, J.P., Horne, R.B., Allison, H.J., Allanson, O., Watt, C.E.J., Eggington, W.B., et al. (2021). Drift Orbit Bifurcations and Cross-Field Transport in the Outer Radiation Belt: Global MHD and Integrated Test-Particle Simulations. 126 (10), e2021JA029802. https://doi.org/10.1029/2021JA029802

Owens, M., Allanson, O., & Maunder, M. (2021). Zooming through the Mist. Astronomy & Geophysics, 62 (3): 3-24. https://doi.org/10.1093/astrogeo/atab067

Allanson, O., Watt, C. E. J., Allison, H. J., & Ratcliffe, H. (2021). Electron diffusion and advection during nonlinear interactions with whistler-mode waves. Journal of Geophysical Research: Space Physics, 126, e2020JA028793. https://doi.org/10.1029/2020JA028793

Walton, S. D., Forsyth, C., Rae, I. J., Watt, C. E. J., Thompson, R. L., Horne, R. B., Meredith, N. P., et al. (2021). Cross-L Coherence of the Outer Radiation Belt During Storms and the Role of the Plasmapause, Journal of Geophysical Research: Space Physics, 126, e2021JA029308, https://doi.org/10.1029/2021JA029308

Desai, R. T., Freeman, M., Eastwood, J., Archer, M., Shprits, Y., Meredith, N., Staples, F., et al. (2021). Interplanetary shock-induced magnetopause motion: Comparison between theory and global magnetohydrodynamic situations. Geophysical Research Letters, 48, e2021GL092554. https://doi.org/10.1029/2021GL092554

Yao, Z., Dunn, W. R., Woodfield, E. E., Clark, G., Mauk, B. H., Ebert, R. W., Grodent, D., Bonfond, et al. (2021). Revealing the Source of Jupiter’s x-ray auroral flares. Sciences Advances, 7, eabf0851. https://doi.org/10.1126/sciadv.abf0851

Sandhu, J. K.,  Rae, I. J.,  Staples, F. A.,  Hartley, D. P.,  Walach, M.-T.,  Elsden, T., &  Murphy, K. R. (2021).  The Roles of the Magnetopause and Plasmapause in Storm-Time ULF Wave Power Enhancements. Journal of Geophysical Research: Space Physics,  126, e2021JA029337. https://doi.org/10.1029/2021JA029337

Boynton, R. J., Walker, S. N., Aryan, H., Hobara, Y., Balikhin, M. A. (2021). A Dynamical Model of Equatorial Magnetosonic Waves in the Innter Magnetosphere: A Machine Learning Approach. Journal of Geophysical Research: Space Physics, 126, e2020JA028439. https://doi.org/10.1029/2020JA028439

Sandhu, J. K., Rae, I. J., Walach, M. -T. (2021). Challenging the Use of Ring Current Indices During Geomagnetic Storms. Journal of Geophysical Research: Space Physics, 126, e2020JA028423. https://doi.org/10.1029/2020JA028423

Sandhu, J. K., Rae, I. J., Wygant, J. R., Breneman, A. W., Tian, S., Watt, C. E. J., Horne, R. B., Ozeke, L. G., Georgiou, M., Walach, M. -T. (2021). ULF Wave Driven Radial Diffusion During Geomagnetic Storms: A Statistical Analysis of Van Allen Probes Observations. Journal of Geophysical Research: Space Physics, 126, e2020JA029024. https://doi.org/10.1029/2020JA029024

2020

Desai, R.T., Zhang, H., Davies, E.E., Stawarz, J.E., Micro-Gomez, J., Iváñez-Ballesteros, P. (2020). Three-Dimestional Simulations of Solar Wind Preconditioning and the 23 July 2012 Interplanetary Coronal Mass Ejection, Solar Physics295, https://doi.org/10.1007/s11207-020-01700-5.

Eggington, J.W.B., Eastwood, J.P., Mejnertsen, L., Desai, R.T., & Chittenden, J.P. (2020). Dipole tilt effect on magnetopause reconnection and the steady-state magnetosphere-ionosphere system: global MHD simulation, Journal of Geophysical Research: Space Physics, 125, https://doi.org/10.1029/2019JA027510.

Mihailescu, T., Desai, R.T., Haythornthwaite, R., Wellbrock, A., Coates, A.J., Eastwood, J.P., & Waite, J.H. (2020). Spatial Variations of Low-mass Negative Ions in Titan’s Upper Atmosphere, The Planetary Science Journal, 1 (2), https://doi.org/10.3847/psj/abb1ba.

Aryan, H., Bortnik, J., Meredith, N.P., Horne, R.B., Silbeck, D.G., & Balikhin, M.A. (2020). Multi-Parametre Chorus and Plasmaspheric Hiss Wave Models. Journal of Geophysical Research: Space Physics, 126, e2020JA028403. https:// doi.org/10.1029/2020JA028403

Watt, C. E. J., Allison, H. J., Thompson, R. L., Bentley, S. N., Meredith, N. P., Glauert, S. A., Horne, R. B., & Rae, I. J. (2020). The Implications of Temporal Variability in Wave-Particle Interactions in Earth’s Radiation Belts. Geophysical Research Letters, 48 (1), e2020GL089962. https://doi.org/10.1029/2020GL089962

Breneman, A. W., Halford, A. J., Millan, R. M., Woodger, L. A., Zhang, X-J., Sandhu, K., Cappanolo, L., Li, W., et al. (2020). Driving of Outer Belt Electron Loss by Solar Wind Dynamic Pressure Structures: Analysis of Balloon and Satellite Data. Journal of Geophysical Research: Space Physics, 125, e2020JA028097. https://doi.org/10.1029/2020JA028097

Ross, J. P. J., Glauert, S. A., Horne, R. B., Watt, C. E., Meredith, N. P., & Woodfield, E. E. (2020). A new approach to constructing models of electron diffusion by EMIC waves in the radiation belts. Geophysical Research Letters, 47, e2020GL088976. https://doi.org/10.1029/2020GL088976

Murphy, K. R., Inglis, A. R., Sibeck, D. G., Watt, C. E. J., & Rae, I. J. (2020). Inner Magnetospheric ULF Waves: the Occurrence and Distribution of Broadband and Discrete Wave Activity. Journal of Geophysical Research: Space Physics, 125, e2020JA027887. https://doi.org/10.1029/2020JA027887

Bentley, S. N., Stout, J., Bloch, T. E., & Watt, C. E. J. (2020). Random forest model of ultra‐low frequency magnetospheric wave power. Earth and Space Science, 7, e2020EA001274. https://doi.org/10.1029/2020EA001274

Forsyth, C., Watt, C. E. J., Mooney, M.K., Rae, I. J., Walton, S. D., & Horne, R. B. (2020). Forecasting GOES 15 >2 MeV electron fluxes from solar wind data and geomagnetic indices. SpaceWeather, 18, e2019SW002416. https://doi.org/10.1029/2019SW002416

Thompson, R. L., Watt, C. E. J., & Williams, P. D. (2020). Accounting for variability in ULF wave radial diffusion models. Journal of Geophysical Research: Space Physics,125, e2019JA027254.https://doi.org/10.1029/2019JA027254

Meredith, N. P., R. B. Horne, X. -C. Chen, W. Li and J. Bortnik, (2020). Global model of whistler mode chorus in the near-equatorial region (|MLAT| < 18 degrees), Geophysical Research Letters, 47, e2020GL087311. https://doi.org/10.1029/2020GL087311

Allanson, O., Watt, C. E. J., Ratcliffe, H., Allison, H. J., Meredith, N. P., Bentley, S. N., et al. (2020). Particle‐in‐cell experiments examine electron diffusion by whistler‐mode waves: 2. Quasilinear and nonlinear dynamics. Journal of Geophysical Research: Space Physics, 125, e2020JA027949. https://doi.org/10.1029/2020JA027949

Neukirch, T., Wilson, F., & Allanson, O. (2020). A family of Vlasov–Maxwell equilibrium distribution functions describing a transition from the Harris sheet to the force-free Harris sheet. Journal of Plasma Physics, 86(3), 825860302. https://doi.org/10.1017/S0022377820000604

T. Neukirch, I.Y. Vasko, A.V. Artemyev and O. Allanson. (2020). Kinetic models of tangential discontinuities in the solar wind. The Astrophysical Journal, 891, (2020) [8 pages]. https://doi.org/10.3847/1538-4357/ab7234

Wu, Y., Tao, X., Liu, X., Chen, L., Xie, H., Liu, K., & Horne, R. B. (2020).Particle-in-cell simulation of electron cyclotron harmonic waves driven by a loss cone distribution. Geophysical Research Letters, 47, e2020GL087649. https://doi.org/10.1029/2020GL087649

Chapman, S. C., Horne, R. B., & Watkins, N. W. (2020). Using the aa index over the last 14 solar cycles to characterize extreme geomagnetic activity. Geophysical Research Letters, 47, e2019GL086524. https://doi.org/10.1029/2019GL086524

Wharton, S. J., Rae, I. J., Sandhu, J. K., Walach, M.‐T., Wright, D. M., & Yeoman, T. K.(2020). The changing eigenfrequency continuum during geomagnetic storms: Implications for plasma mass dynamics and ULF wave coupling. Journal of Geophysical Research: Space Physics, 125, e2019JA027648. https://doi.org/10.1029/2019JA027648

Murphy, K. R., Mann, I. R., Sibeck, D. G., Rae, I. J., Watt, C. E. J., Ozeke, L. G., et al. (2020). A framework for understanding and quantifying the loss and acceleration of relativistic electrons in the outer radiation belt during geomagnetic storms. Space Weather, 18, e2020SW002477. https://doi.org/10.1029/2020SW002477

2019

Bentley, S. N., Watt, C. E. J., Rae, I. J., Owens, M. J., Murphy, K., Lockwood, M., Sandhu, J. K. (2019). Capturing Uncertainty in Magnetospheric Ultralow Frequency Wave Models. Space Weather, 17, 599-618. https://doi.org/10.1029/2018SW002102

Watt, C. E. J., Allison, H. J., Meredith, N. P., Thompson, R. L., Bentley, S. N., Rae, I. J., et al. (2019). Variability of quasilinear diffusion coefficients for plasmaspheric hiss. Journal of Geophysical Research: Space Physics,124, 8488– 8506. https://doi.org/10.1029/2018JA026401

Allanson, O.,Watt, C. E. J., Ratcliffe, H., Meredith, N. P., Allison, H. J., Bentley, S. N., et al. (2019). Particle-in-cell experiments examine electron diffusion by whistler-mode waves: 1. Benchmarking with a cold plasma. Journal of Geophysical Research: Space Physics, 124. https://doi.org/10.1029/2019JA027088

Sandhu, J. K., Rae, I. J., Freeman, M. P., Gkioulidou, M., Forsyth, C., Reeves, G. D., et al. (2019). Substorm-ring current coupling: A comparison of isolated and compound substorms. Journal of Geophysical Research: Space Physics, 124, 6776–6791. https://doi.org/10.1029/2019JA026766

Wharton, S. J., Wright, D. M., Yeoman, T. K., James, M. K., & Sandhu, J. K. (2019). The variation of resonating magnetospheric field lines with changing geomagnetic and solar wind conditions. Journal of Geophysical Research: Space Physics, 124, 5353–5375. https://doi.org/10.1029/2019JA026848

Jasmine Kaur Sandhu, Maria-Theresia Walach, Hayley Allison, Clare Watt, A global view of storms and substorms, Astronomy & Geophysics, Volume 60, Issue 3, June 2019, Pages 3.13-3.19,
https://doi.org/10.1093/astrogeo/atz144

Meredith, N. P., Horne, R. B., Clilverd, M. A., & Ross, J. P. J.. (2019), An investigation of VLF transmitter wave power in the inner radiation belt and slot region. Journal of Geophysical Research: Space Physics, 124, 5246–5259. https://doi.org/10.1029/2019JA026715

Ross, J. P. J., Meredith, N. P., Glauert, S. A., Horne, R. B., & Clilverd, M. A. (2019). Effects of VLF transmitter waves on the inner belt and slot region. Journal of Geophysical Research: Space Physics, 124, 5260–5277. https://doi.org/10.1029/2019JA026716

Rae, I. J., Murphy, K. R., Watt, C. E. J., Sandhu, J. K., Georgiou, M., Degeling, A. W., et al. (2019). How do ultra‐low frequency waves access the inner magnetosphere during geomagnetic storms? Geophysical Research Letters, 46. https://doi.org/10.1029/2019GL082395

Da Silva, L. A., Sibeck, D., Alves, L. R., Souza,V.M., Jauer, P.R., Claudepierre, S. G., et al. (2019). Contribution of ULF wave activity to the global recovery of the outer radiation belt during the passage of a high‐speed solar wind stream observed in September 2014. Journal of Geophysical Research: Space Physics, 124, 1660–1678. https://doi.org/10.1029/2018JA026184

Allison, H. J., Horne, R. B., Glauert, S. A., & Del Zanna, G. (2019). On the importance of gradients in the low-energy electron phase space density for relativistic electron acceleration. Journal of Geophysical Research: Space Physics, 124. https://doi.org/10.1029/2019JA026516

Oliver Allanson, Liz Tindale, Tom Bradley, Autumn MIST 2018: 60 years of radiation belts, Astronomy & Geophysics, Volume 60, Issue 2, April 2019, Pages 2.32–2.36, https://doi.org/10.1093/astrogeo/atz101

Lockwood, M., Bentley, S. N., Owens, M. J., Barnard, L. A., Scott, C. J., Watt, C. E., et al. (2019). The development of a space climatology: 3. Models of the evolution of distributions of space weather variables with timescale. Space Weather, 17, 180–209. https://doi.org/10.1029/2018SW002017

Lockwood, M., Bentley, S. N., Owens, M. J., Barnard, L. A., Scott, C. J., Watt, C. E., Allanson, O., & Freeman, M. P. (2019). The development of a space climatology: 2. The distribution of power input into the magnetosphere on a 3-hourly timescale. Space Weather, 17, 157–179. https://doi.org/10.1029/2018SW002016

Lockwood, M., Bentley, S. N., Owens, M. J., Barnard, L. A., Scott, C. J., Watt, C. E., & Allanson, O. (2019). The development of a space climatology: 1. Solar wind magnetosphere coupling as a function of timescale and the effect of data gaps. Space Weather, 17. https://doi.org/10.1029/2018SW001856

2018

Bentley, S. N., Watt, C. E. J., Owens, M. J., Rae, I. J. (2018). ULF Wave Activity in the Magnetosphere: Resolving Solar Wind Interdependencies to Identify Driving Mechanisms. Journal of Geophysical Research: Space Physics, 123, 2745-2771. https://doi.org/10.1002/2017JA024740

Georgiou, M., Daglis, I.A., Rae, I.J., Zesta, E., Sibeck, D.G., Mann, I.R., Balasis, G., & Tsinganos, K. (2018). Ultralow frequency waves as an intermediary for solar wind energy input into the radiation belts. Journal of Geophysical Research: Space Physics, 123(12). https://doi.org/10.1029/2018JA025355

Donner, R.V., Balasis, G., Stolbova, V., Georgiou, M., Wiedermann, M., & Kurths, J. (2018). Recurrence based quantification of dynamical complexity in the Earth’s magnetosphere at geospace storm timescales. Journal of Geophysical Research: Space Physics,  https://doi.org/10.1029/2018JA025318

Allison, H. J., Horne, R. B., Glauert, S. A., & Del Zanna, G. (2018), Determination of the Equatorial Electron Differential Flux From Observations at Low Earth Orbit, Journal of Geophysical Research: Space Physics, , 123, 95749596., https://doi.org/10.1029/2018JA025786

Wilson, F., Neukirch, T., & Allanson, O. (2018). Collisionless distribution functions for force-free current sheets: Using a pressure transformation to lower the plasma beta. Journal of Plasma Physics, 84(3), 905840309. https://doi.org/10.1017/S0022377818000570

Boynton, R. J., Aryan, H., Walker, S. N., Krasnoselskikh, V., & Balikhin, M. A. (2018). The influence of solar wind and geomagnetic indices on lower band chorus emissions in the inner magnetosphere. Journal of Geophysical Research: Space Physics, 123. https://doi.org/10.1029/2018JA025704

Glauert, S. A., Horne, R. B., & Meredith, N. P. (2018). A 30‐year simulation of the outer electron radiation belt. Space Weather, 16. https://doi.org/10.1029/2018SW001981

Horne, R. B., Phillips, M. W., Glauert, S. A., Meredith, N. P., Hands, A. D. P., Ryden, K., & Li, W. (2018). Realistic worst case for a severe space weather event driven by a fast solar wind stream. Space Weather, 16. https://doi.org/10.1029/2018SW001948

Hands, A. D. P., Ryden, K. A., Meredith, N. P., Glauert, S. A., & Horne, R. B. (2018). Radiation effects on satellites during extreme space weather eventsSpace Weather16https://doi.org/10.1029/2018SW001913

Engebretson, M. J., Posch, J. L., Braun, D. J., Li, W., Ma, Q., Kellerman, A. C., et al., (2018). EMIC wave events during the four GEM QARBM challenge intervalsJournal of Geophysical Research: Space Physics123https://doi.org/10.1029/2018JA025505

Zhang, Z., Chen, L., Li, X., Xia, Z., Heelis, R. A., & Horne, R. B. (2018). Observed propagation route of VLF transmitter signals in the magnetosphere. Journal of Geophysical Research: Space Physics, 123. https://doi.org/10.1029/2018JA025637

Shprits, Y. Y., Horne, R. B., Kellerman A. C., & Drozdov, A. Y., (2018), The dynamics of the Van Allen belts revisited, Nature Physics, 14, http://dx.doi.org/10.1038/nphys4350

Shprits, Y. Y., Zhelavskaya, I. S., Green, J. C., Pulkkinen, A. A., Horne, R. B., Pitchford, D., et al. (2018). Discussions on stakeholder requirements for space weather‐related modelsSpace Weather16, 341–342. https://doi.org/10.1002/2018SW001864

Allanson, O., Troscheit S., Neukirch T., (2018), On the inverse problem for Channell collisionless plasma equilibria, IMA Journal of Applied Mathematics, hxy026, https://doi.org/10.1093/imamat/hxy026

Meredith, N. P., Horne, R. B., Kersten, T., Li, W., Bortnik, J., Sicard, A., & Yearby, K. H. (2018). Global model of plasmaspheric hiss from multiple satellite observations. Journal of Geophysical Research: Space Physics, 123. https://doi.org/10.1029/2018JA025226

Degeling, A. W.Rae I.J., Watt C.E.J.Shi Q.Q., Rankin R., & Q.-G. Zong, (2018), Control of ULF Wave Accessibility to the Inner Magnetosphere by the Convection of Plasma Density, Journal of Geophysical Research: Space Physics, 123, 1086–1099, doi:10.1002/2017JA024874

Neukirch, T., Wilson F. and Allanson O., (2018), Collisionless current sheet equilibria, Plasma Physics and Controlled Fusion, 60, 014008, doi:10.1088/1361-6587/aa8485

Mateo-Velez, J. C. , Sicard, A., Payan, D., Ganushkina, N., Meredith, N. P., & Sillanpaa, (2018),  Spacecraft surface charging induced by severe environments at geosynchronous orbit, Space Weather, 16, doi:10.1002/2017SW001689


2017

Shklyar, D. R., & Balikhin, M. A. (2017). Whistler mode waves below lower hybrid resonance frequency: Generation and spectral features. Journal of Geophysical Research: Space Physics, 122. https://doi.org/10.1002/2017JA024416.

Borovsky, J. E., Horne R. B., & Meredith N. P., The Contribution of Compressional Magnetic Pumping to the Energization of the Earth’s Outer Electron Radiation Belt During High-Speed Stream-Driven Storms, Journal of Geophysical Research: Space Physics, 122, doi:10.1002/2017JA024607

Douma, E., Rodger C. J., Blum L. W., & Clilverd M. A., Occurrence characteristics of relativistic electron microbursts from SAMPEX observations, Journal of Geophysical Research: Space Physics, 122, 8096-8107, doi:10.1002/2017JA024067

Meredith, N. P., Horne R. B., Sandberg I., Papadimitriou C., & Evans H. D. R., Extreme relativistic electron fluxes in the Earth’s outer radiation belt: Analysis of INTEGRAL IREM data, Space Weather, 15, 917-933doi:10.1002/2017SW001651

Oyama, S., Kero A., Rodger C. J., Clilverd M. A., Miyoshi Y., Partamies N., Turunen E., Raita T., Verronen P. T., & Saito S., Energetic electron precipitation and auroral morphology at the substorm recovery phase, Journal of Geophysical Research: Space Physics, 122, 6508-6527, doi:10.1002/2016JA023484

Allison, H. J., R. B. Horne, S. A. Glauert, and G. Del Zanna (2017), The magnetic local time distribution of energetic electrons in the radiation belt region, J. Geophys. Res. Space Physics, 122, doi:10.1002/2017JA024084.

Allanson, O., Wilson F., Neukirch T., Liu Y.-H. & Hodgson J.D.B., (2017), Exact Vlasov-Maxwell equilibria for asymmetric current sheets, Geophysical Research Letters, 44, 17, 8685-8695, https://doi.org/10.1002/2017GL074168

Wilson, F., Neukirch T. & Allanson O., (2017), Force-free collisionless current sheet models with non-uniform temperature and density profiles, Physics of Plasmas, 24, 092105, doi:10.1063/1.4997703