MLTDM: Machine-learning thermospheric density model
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A random-forest model of storm-time atmospheric neutral density, published in Space Weather (2025) and released as an open, installable Python package with a worked example notebook.
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A random-forest model of storm-time atmospheric neutral density, published in Space Weather (2025) and released as an open, installable Python package with a worked example notebook.
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A modular framework that turns spacecraft orbit data into energy dissipation rates and effective atmospheric density, validated against the Orekit flight-dynamics library.
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Reusable building blocks for time-series ML in heliophysics: lagged features, tuning, diagnostics, and ARIMA-based perturbed-input ensembles for forecast uncertainty.
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An open-source package that downloads and loads data from several ground-magnetometer arrays into one pandas interface, now with tools to compute geoelectric fields for space-weather hazard work.
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Vectorized and parallelized the Python port of the JB2008 empirical density model, cutting ~70,000 predictions from ~8 minutes to ~40 seconds.
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Lead author of the target and science-visibility analysis for STORM, a proposed mission to image the whole magnetosphere at once.
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Over a decade of work on how geomagnetic storms energize and deplete Earth’s radiation belts, including a new operational-ready radial diffusion model.
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An international online seminar series that kept the space physics community connected when conferences were cancelled during COVID-19.
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A lightweight ‘mission control’ repo that lets AI coding agents pick up maintenance tasks across my repositories and return reviewable pull requests.
Published in Geophysical Research Letters, 2008
Recommended citation: Milling, D. K., Rae, I. J., Mann, I. R., Murphy, K. R., Kale, A., Russell, C. T., et al. (2008). Ionospheric localisation and expansion of long-period Pi1 pulsations at substorm onset. Geophysical Research Letters, 35(17), 1-5.
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Published in Space Science Reviews, 2008
Recommended citation: Mann, I. R., Milling, D. K., Rae, I. J., Ozeke, L. G., Kale, A., Kale, Z. C., et al. (2008). The Upgraded CARISMA Magnetometer Array in the THEMIS Era. Space Science Reviews, 141(1-4), 413-451.
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Published in Journal of Geophysical Research: Space Physics, 2009
Recommended citation: Rae, I. J., Mann, I. R., Murphy, K. R., Milling, D. K., Parent, A., Angelopoulos, V., et al. (2009). Timing and localization of ionospheric signatures associated with substorm expansion phase onset. Journal of Geophysical Research: Space Physics, 114(1), 1-15.
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Published in Journal of Geophysical Research: Space Physics, 2009
Recommended citation: Murphy, K. R., Jonathan Rae, I., Mann, I. R., Milling, D. K., Watt, C. E. J., Ozeke, L., et al. (2009). Wavelet-based ULF wave diagnosis of substorm expansion phase onset. Journal of Geophysical Research: Space Physics, 114(2), 1-15.
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Published in Annales Geophysicae, 2009
Recommended citation: Liu, J., Angelopoulos, V., Frey, H., McFadden, J., Larson, D., Glassmeier, K., et al. (2009). THEMIS observation of a substorm event on 04:35, 22 February 2008. Annales Geophysicae, 27(5), 1831-1841.
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Published in Journal of Atmospheric and Solar-Terrestrial Physics, 2009
Recommended citation: Pahud, D. M., Rae, I. J., Mann, I. R., Murphy, K. R., & Amalraj, V. (2009). Ground-based Pc5 ULF wave power: Solar wind speed and MLT dependence. Journal of Atmospheric and Solar-Terrestrial Physics, 71(10-11), 1082-1092.
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Published in Journal of Geophysical Research: Space Physics, 2009
Recommended citation: Rae, I. J., Mann, I. R., Angelopoulos, V., Murphy, K. R., Milling, D. K., Kale, A., et al. (2009). Near-Earth initiation of a terrestrial substorm. Journal of Geophysical Research: Space Physics, 114(7), 1-9.
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Published in Journal of Geophysical Research: Space Physics, 2009
Recommended citation: Murphy, K. R., Rae, I. J., Mann, I. R., Walsh, A. P., Milling, D. K., Watt, C. E. J., et al. (2009). Reply to comment by K. Liou and Y.-L. Zhang on Wavelet-based ULF wave diagnosis of substorm expansion phase onset. Journal of Geophysical Research, 114(A10), A10207.
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Published in Journal of Geophysical Research: Space Physics, 2009
Recommended citation: Gabrielse, C., Angelopoulos, V., Runov, a., Frey, H. U., McFadden, J., Larson, D. E., et al. (2009). Timing and localization of near-Earth tail and ionospheric signatures during a substorm onset. Journal of Geophysical Research: Space Physics, 114(1), 1-14.
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Published in Journal of Geophysical Research: Space Physics, 2010
Recommended citation: Rae, I. J., Watt, C. E. J., Mann, I. R., Murphy, K. R., Samson, J. C., Kabin, K., & Angelopoulos, V. (2010). Optical characterization of the growth and spatial structure of a substorm onset arc. Journal of Geophysical Research: Space Physics, 115(10), 1-10.
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Published in Journal of Geophysical Research: Space Physics, 2010
Recommended citation: Walsh, A. P., Rae, I. J., Fazakerley, A. N., Murphy, K. R., Mann, I. R., Watt, C. E. J., et al. (2010). Comprehensive ground-based and in situ observations of substorm expansion phase onset. Journal of Geophysical Research: Space Physics, 115(12), 1-15.
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Published in Journal of Geophysical Research: Space Physics, 2011
Recommended citation: Murphy, K. R., Rae, I. J., Mann, I. R., & Milling, D. K. (2011). On the nature of ULF wave power during nightside auroral activations and substorms: 1. Spatial distribution. Journal of Geophysical Research: Space Physics, 116(1), 1-12.
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Published in Journal of Geophysical Research: Space Physics, 2011
Recommended citation: Rae, I. J., Murphy, K. R., Watt, C. E. J., & Mann, I. R. (2011). On the nature of ULF wave power during nightside auroral activations and substorms: 2. Temporal evolution. Journal of Geophysical Research: Space Physics, 116(A5).
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Published in Annales Geophysicae, 2011
Recommended citation: Murphy, K. R., Rae, I. J., Mann, I. R., Walsh, A. P., Milling, D. K., & Kale, A. (2011). The dependence of Pi2 waveforms on periodic velocity enhancements within bursty bulk flows. Annales Geophysicae, 29(3), 493-509.
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Published in Journal of Atmospheric and Solar-Terrestrial Physics, 2011
Recommended citation: Murphy, K. R., Mann, I. R., Rae, I. J., & Milling, D. K. (2011). Dependence of ground-based Pc5 ULF wave power on F10.7 solar radio flux and solar cycle phase. Journal of Atmospheric and Solar-Terrestrial Physics, 73(11-12), 1500-1510.
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Published in Journal of Geophysical Research: Space Physics, 2011
Recommended citation: Watt, C. E. J., Degeling, a. W., Rankin, R., Murphy, K. R., Rae, I. J., & Singer, H. J. (2011). Ultralow-frequency modulation of whistler-mode wave growth. Journal of Geophysical Research: Space Physics, 116(10), 1-13.
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Published in Dynamics of the Earth's Radiation Belts and Inner Magnetosphere, 2012
Recommended citation: Mann, I. R., Murphy, K. R., Ozeke, L. G., Rae, I. J., Milling, D. K., Kale, A. A., & Honary, F. F. (2013). The Role of Ultralow Frequency Waves in Radiation Belt Dynamics. In Geophysical Monograph Series (Vol. 199, pp. 69-92).
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Published in Dynamics of the Earth's Radiation Belts and Inner Magnetosphere, 2012
Recommended citation: Ozeke, L. G., Mann, I. R., Murphy, K. R., Rae, I. J., & Chan, A. A. (2013). ULF Wave-Driven Radial Diffusion Simulations of the Outer Radiation Belt. In Geophysical Monograph Series (Vol. 199, pp. 139-150).
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Published in Journal of Geophysical Research: Space Physics, 2012
Recommended citation: Ozeke, L. G., Mann, I. R., Murphy, K. R., Rae, I. J., Milling, D. K., Elkington, S. R., et al. (2012). ULF wave derived radiation belt radial diffusion coefficients. Journal of Geophysical Research: Space Physics, 117(4), 1-16.
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Published in Journal of Geophysical Research: Space Physics, 2012
Recommended citation: Rae, I. J., Mann, I. R., Murphy, K. R., Ozeke, L. G., Milling, D. K., Chan, A. A., et al. (2012). Ground-based magnetometer determination of in situ Pc4-5 ULF electric field wave spectra as a function of solar wind speed. Journal of Geophysical Research: Space Physics, 117(4), 1-17.
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Published in Geophysical Research Letters, 2012
Recommended citation: Murphy, K. R., Mann, I. R., Rae, I. J., Waters, C. L., Anderson, B. J., Milling, D. K., et al. (2012). Reduction in field-aligned currents preceding and local to auroral substorm onset. Geophysical Research Letters, 39(15), 1-6.
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Published in Journal of Geophysical Research: Space Physics, 2012
Recommended citation: Rae, I. J., Watt, C. E. J., Murphy, K. R., Frey, H. U., Ozeke, L. G., Milling, D. K., & Mann, I. R. (2012). The correlation of ULF waves and auroral intensity before, during and after substorm expansion phase onset. Journal of Geophysical Research: Space Physics, 117(8), 1-12.
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Published in Journal of Geophysical Research: Space Physics, 2013
Recommended citation: Degeling, A. W., Rankin, R., Murphy, K., & Rae, I. J. (2013). Magnetospheric convection and magnetopause shadowing effects in ULF wave-driven energetic electron transport. Journal of Geophysical Research: Space Physics, 118(6), 2919-2927.
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Published in Journal of Geophysical Research: Space Physics, 2013
Recommended citation: Rae, I. J., Murphy, K. R., Miles, D. M., Watt, C. E. J., & Mann, I. R. (2013). Comment on Formation of substorm Pi2: A coherent response to auroral streamers and currents by Y. Nishimura et al. Journal of Geophysical Research: Space Physics, 118(6), 3488-3496.
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Published in Journal of Geophysical Research: Space Physics, 2013
Recommended citation: Murphy, K. R., Mann, I. R., Rae, I. J., Waters, C. L., Frey, H. U., Kale, A., et al. (2013). The detailed spatial structure of field-aligned currents comprising the substorm current wedge. Journal of Geophysical Research: Space Physics, 118(12), 7714-7727.
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Published in Journal of Geophysical Research: Space Physics, 2014
Recommended citation: Forsyth, C., Fazakerley, A. N., Rae, I. J., Watt, C. E. J. J., Murphy, K., Wild, J. A., et al. (2014). In situ spatiotemporal measurements of the detailed azimuthal substructure of the substorm current wedge. Journal of Geophysical Research A: Space Physics, 119(2), 927-946.
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Published in Geophysical Research Letters, 2014
Recommended citation: Mann, I. R., Usanova, M. E., Murphy, K., Robertson, M. T., Milling, D. K., Kale, A., et al. (2014). Spatial localization and ducting of EMIC waves: Van Allen Probes and ground-based observations. Geophysical Research Letters, 41(3), 785-792.
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Published in Journal of Geophysical Research: Space Physics, 2014
Recommended citation: Murphy, K. R., Miles, D. M., Watt, C. E. J., Rae, I. J., Mann, I. R., & Frey, H. U. (2014). Automated determination of auroral breakup during the substorm expansion phase using all-sky imager data. Journal of Geophysical Research: Space Physics, 119(2), 1414-1427.
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Published in Journal of Geophysical Research: Space Physics, 2014
Recommended citation: Ozeke, L. G., Mann, I. R., Murphy, K. R., Jonathan Rae, I., & Milling, D. K. (2014). Analytic expressions for ULF wave radiation belt radial diffusion coefficients. Journal of Geophysical Research: Space Physics, 119(3), 1587-1605.
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Published in Journal of Geophysical Research: Space Physics, 2014
Recommended citation: Rae, I. J., Murphy, K. R., Watt, C. E. J., Rostoker, G., Rankin, R., Mann, I. R., et al. (2014). Field line resonances as a trigger and a tracer for substorm onset. Journal of Geophysical Research: Space Physics, 119(7), 5343-5363.
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Published in Geophysical Research Letters, 2014
Recommended citation: Murphy, K. R., Mann, I. R., & Ozeke, L. G. (2014). A ULF wave driver of ring current energization. Geophysical Research Letters, 41(19), 6595-6602. https://doi.org/10.1002/2014GL061253
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Published in Geophysical Research Letters, 2014
Recommended citation: Ozeke, L. G., Mann, I. R., Turner, D. L., Murphy, K. R., Degeling, A. W., Rae, I. J., & Milling, D. K. (2014). Modeling cross L shell impacts of magnetopause shadowing and ULF wave radial diffusion in the Van Allen belts. Geophysical Research Letters, 41(19), 6556-6562.
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Published in Journal of Geophysical Research: Space Physics, 2014
Recommended citation: Murphy, K. R., Mann, I. R., Rae, I. J., Walsh, A. P., & Frey, H. U. (2014). Inner magnetospheric onset preceding reconnection and tail dynamics during substorms: Can substorms initiate in two different regions? Journal of Geophysical Research: Space Physics, 119(12), 9684-9701.
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Published in Journal of Geophysical Research: Space Physics, 2015
Recommended citation: Halford, A. J., Mcgregor, S. L., Murphy, K. R., Millan, R. M., Hudson, M. K., Woodger, L. A., et al. (2015). BARREL observations of an ICME-shock impact with the magnetosphere and the resultant radiation belt electron loss.
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Published in Space Science Reviews, 2015
Recommended citation: Miles, D. M., Mann, I. R., Ciurzynski, M., Barona, D., Narod, B. B., Bennest, J. R., et al. (2016). A miniature, low-power scientific fluxgate magnetometer: A stepping-stone to cube-satellite constellation missions. Journal of Geophysical Research: Space Physics, 121(12), 11,839-11,860.
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Published in Annales Geophysicae, 2015
Recommended citation: Pokhotelov, D., Rae, I. J., Murphy, K. R., & Mann, I. R. (2015). The influence of solar wind variability on magnetospheric ULF wave power. Annales Geophysicae, 33(6), 697-701.
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Published in Journal of Geophysical Research: Space Physics, 2015
Recommended citation: Yue, C., Wang, C., Nishimura, Y., Murphy, K. R., Xing, X., Lyons, L., et al. (2015). Empirical modeling of 3-D force-balanced plasma and magnetic field structures during substorm growth phase. Journal of Geophysical Research: Space Physics, 120(8), 6496-6513.
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Published in Journal of Geophysical Research: Space Physics, 2015
Recommended citation: Kalmoni, N. M. E., Rae, I. J., Watt, C. E. J., Murphy, K. R., Forsyth, C., & Owen, C. J. (2015). Statistical characterization of the growth and spatial scales of the substorm onset arc. Journal of Geophysical Research: Space Physics, 120(10), 8503-8516.
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Published in Geophysical Research Letters, 2015
Recommended citation: Murphy, K. R., Mann, I. R., & Sibeck, D. G. (2015). On the dependence of storm-time ULF wave power on magnetopause location: Impacts for ULF wave radial diffusion. Geophysical Research Letters, 42(22), 9676-9684.
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Published in Journal of Geophysical Research: Space Physics, 2016
Recommended citation: Forsyth, C., Rae, I. J., Murphy, K. R., Freeman, M. P., Huang, C. L., Spence, H. E., et al. (2016). What effect do substorms have on the content of the radiation belts? Journal of Geophysical Research: Space Physics, 121(7), 6292-6306.
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Published in Journal of Geophysical Research: Space Physics, 2016
Recommended citation: Murphy, K. R., Mann, I. R., Rae, I. J., Sibeck, D. G., & Watt, C. E. J. (2016). Accurately characterizing the importance of wave-particle interactions in radiation belt dynamics: The pitfalls of statistical wave representations. Journal of Geophysical Research: Space Physics, 121(8), 7895-7899.
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Published in Nature Physics, 2016
Recommended citation: Mann, I. R., Ozeke, L. G., Murphy, K. R., Claudepierre, S. G., Turner, D. L., Baker, D. N., et al. (2016). Explaining the dynamics of the ultra-relativistic third Van Allen radiation belt. Nature Physics, (June), 1-6.
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Published in Journal of Geophysical Research: Space Physics, 2016
Recommended citation: Pokhotelov, D., Rae, I. J., Murphy, K. R., & Mann, I. R. (2016). Effects of ULF wave power on relativistic radiation belt electrons: 8-9 October 2012 geomagnetic storm. Journal of Geophysical Research: Space Physics, 121(12), 11,766-11,779.
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Published in Geophysical Research Letters, 2017
Recommended citation: Kalmoni, N. M. E., Rae, I. J., Murphy, K. R., Forsyth, C., Watt, C. E. J., & Owen, C. J. (2017). Statistical azimuthal structuring of the substorm onset arc: Implications for the onset mechanism. Geophysical Research Letters, 44(5), 2078-2087.
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Published in Geophysical Research Letters, 2017
Recommended citation: Ozeke, L. G., Mann, I. R., Murphy, K. R., Sibeck, D. G., & Baker, D. N. (2017). Ultra-relativistic Radiation Belt Extinction and ULF Wave Radial Diffusion: Modeling the September 2014 Extended Dropout Event. Geophysical Research Letters, (September), 1-10.
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Published in Journal of Geophysical Research: Space Physics, 2017
Recommended citation: Wu, J., Bryant, M. S., Ridley, C. G., Shen, Y., Yang, L., Clausen, L. B. N., et al. (2017). A comparison of small-scale magnetic fluctuations in the region 1 and 2 field-aligned current systems. Journal of Geophysical Research: Space Physics.
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Published in Journal of Geophysical Research: Space Physics, 2017
Recommended citation: Walach, M. T., Milan, S. E., Murphy, K. R., Carter, J. A., Hubert, B. A., & Grocott, A. (2017). Comparative study of large-scale auroral signatures of substorms, steady magnetospheric convection events, and sawtooth events. Journal of Geophysical Research: Space Physics.
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Published in Annales Geophysicae, 2017
Recommended citation: Grono, E., Donovan, E., & Murphy, K. R. (2017). Tracking patchy pulsating aurora through all-sky images. Annales Geophysicae, 35(4), 777-784.
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Published in Journal of Geophysical Research: Space Physics, 2017
Recommended citation: Yao, Z., Rae, I. J., Lui, A. T. Y., Murphy, K. R., Owen, C. J., Pu, Z. Y., et al. (2017). An explanation of auroral intensification during the substorm expansion phase. Journal of Geophysical Research: Space Physics, 122(8).
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Published in Journal of Geophysical Research: Space Physics, 2017
Recommended citation: Watt, C. E. J., Rae, I. J., Murphy, K. R., Anekallu, C., Bentley, S. N., & Forsyth, C. (2017). The parameterization of wave-particle interactions in the Outer Radiation Belt. Journal of Geophysical Research: Space Physics, 122(9), 9545-9551.
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Published in Journal of Geophysical Research: Space Physics, 2017
Recommended citation: Komar, C. M., Glocer, A., Hartinger, M. D., Murphy, K. R., Fok, M.-C., & Kang, S.-B. (2017). Electron Drift Resonance in the MHD-Coupled Comprehensive Inner Magnetosphere-Ionosphere Model. Journal of Geophysical Research: Space Physics, 122(12).
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Published in Geoscience Letters, 2017
Recommended citation: Rae, I. J., Murphy, K. R., Watt, C. E. J., Mann, I. R., Yao, Z., Kalmoni, N. M. E., et al. (2017, December 1). Using ultra-low frequency waves and their characteristics to diagnose key physics of substorm onset. Geoscience Letters. SpringerOpen.
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Published in Journal of Geophysical Research: Space Physics, 2018
Recommended citation: Pakhotin, I. P., Mann, I. R., Lysak, R. L., Knudsen, D. J., Gjerloev, J. W., Rae, I. J., et al. (2018). Diagnosing the Role of Alfvén Waves in Magnetosphere-Ionosphere Coupling: Swarm Observations of Large Amplitude Nonstationary Magnetic Perturbations During an Interval of Northward IMF. Journal of Geophysical Research: Space Physics, 123(1).
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Published in Nature Physics, 2018
Recommended citation: Mann, I. R., Ozeke, L. G., Morley, S. K., Murphy, K. R., Claudepierre, S. G., Turner, D. L., et al. (2018). Reply to The dynamics of Van Allen belts revisited. Nature Physics, 14(2).
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Published in Journal of Geophysical Research: Space Physics, 2018
Recommended citation: Jonathan Rae, I., Murphy, K. R., Watt, C. E. J., Halford, A. J., Mann, I. R., Ozeke, L. G., et al. (2018). The Role of Localized Compressional Ultra-low Frequency Waves in Energetic Electron Precipitation. Journal of Geophysical Research: Space Physics, 123(3), 1900-1914.
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Published in Geophysical Research Letters, 2018
Recommended citation: Murphy, K. R., Watt, C. E. J., Mann, I. R., Jonathan Rae, I., Sibeck, D. G., Boyd, A. J., et al. (2018). The Global Statistical Response of the Outer Radiation Belt During Geomagnetic Storms. Geophysical Research Letters, 45(9), 3783-3792.
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Published in Nature Communications, 2018
Recommended citation: Ozeke, L. G., Mann, I. R., Murphy, K. R., Degeling, A. W., Claudepierre, S. G., & Spence, H. E. (2018). Explaining the apparent impenetrable barrier to ultra-relativistic electrons in the outer Van Allen belt. Nature Communications, 9(1), 1844.
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Published in Journal of Geophysical Research: Space Physics, 2018
Recommended citation: Remya, B., Sibeck, D. G., Halford, A. J., Murphy, K. R., Reeves, G. D., Singer, H. J., et al. (2018). Ion Injection Triggered EMIC Waves in the Earth's Magnetosphere. Journal of Geophysical Research: Space Physics, 123(6).
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Published in Journal of Geophysical Research: Space Physics, 2018
Recommended citation: Murphy, K. R., Inglis, A. R., Sibeck, D. G., Rae, I. J., Watt, C. E. J., Silveira, M., et al. (2018). Determining the Mode, Frequency, and Azimuthal Wave Number of ULF Waves During a HSS and Moderate Geomagnetic Storm. Journal of Geophysical Research: Space Physics, 123(8).
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Published in Journal of Geophysical Research: Space Physics, 2018
Recommended citation: Shi, X., Baker, J. B. H., Ruohoniemi, J. M., Hartinger, M. D., Murphy, K. R., Rodriguez, J. V., et al. (2018). Long-Lasting Poloidal ULF Waves Observed by Multiple Satellites and High-Latitude SuperDARN Radars. Journal of Geophysical Research: Space Physics, 123(10).
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Published in Nature Communications, 2018
Recommended citation: Kalmoni, N. M. E., Rae, I. J., Watt, C. E. J., Murphy, K. R., Samara, M., Michell, R. G., et al. (2018). A diagnosis of the plasma waves responsible for the explosive energy release of substorm onset. Nature Communications, 9(1), 4806.
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Published in Magnetospheres in the solar system Wiley, 2019
Recommended citation: Sibeck, D.G. and Murphy, K.R. (2021). Large-Scale Structure and Dynamics of the Magnetosphere. In Magnetospheres in the Solar System (eds R. Maggiolo, N. André, H. Hasegawa, D.T. Welling, Y. Zhang and L.J. Paxton).
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Published in Journal of Geophysical Research: Space Physics, 2019
Recommended citation: Ozeke, L. G., Mann, I. R., Claudepierre, S. G., Henderson, M., Morley, S. K., Murphy, K. R., et al. (2019). The March 2015 Superstorm Revisited: Phase Space Density Profiles and Fast ULF Wave Diffusive Transport. Journal of Geophysical Research: Space Physics, 124(2).
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Published in Space Weather, 2019
Recommended citation: 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(4), 599-618.
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Published in Journal of Geophysical Research: Space Physics, 2019
Recommended citation: 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(8), 6776-6791.
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Published in Geophysical Research Letters, 2019
Recommended citation: 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, 699-709.
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Published in Geomagnetism, aeronomy and space weather , 2019
Recommended citation: Mann, I. R. , Pakhotin, I. P. , Rae, I. J. , Murphy, K. R. , Ozeke, L. G., Knudsen, D. J., Kale, A., and Milling, D. K. (2019). Magnetosphere-Ionosphere Coupling and Ionospheric Dynamics during Storms and Substorms: Role of Alfven Waves in Mandea, M., Korte, M., Yau, A., & Petrovsky, E. (Eds.), pages 229-250. Geomagnetism, aeronomy and space weather : A journey from the earth's core to the sun.
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Published in Geomagnetism, aeronomy and space weather , 2019
Recommended citation: Mann, I. R., Ozeke, L. G., Degeling, A., Murphy, K. R., and Rankin, R. (2019). Ultra-Low-Frequency Wave-Particle Interactions in Mandea, M., Korte, M., Yau, A., & Petrovsky, E. (Eds.), pages 190-194. Geomagnetism, aeronomy and space weather : A journey from the earth's core to the sun.
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Published in Journal of Geophysical Research: Space Physics, 2020
Recommended citation: Ozeke, L. G., Mann, I. R., Olifer, L., Dufresne, K. Y., Morley, S. K., Claudepierre, S. G., et al. (2020). Rapid Outer Radiation Belt Flux Dropouts and Fast Acceleration During the March 2015 and 2013 Storms: The Role of Ultra-Low Frequency Wave Transport From a Dynamic Outer Boundary. Journal of Geophysical Research: Space Physics, 125(2).
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Published in Journal of Geophysical Research: Space Physics, 2020
Recommended citation: Smith, A. W., Rae, I. J., Forsyth, C., Watt, C. E. J., & Murphy, K. R. (2020). On the Magnetospheric ULF Wave Counterpart of Substorm Onset. Journal of Geophysical Research: Space Physics, 125(4).
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Published in Journal of Geophysical Research: Space Physics, 2020
Recommended citation: Staples, F. A., Rae, I. J., Forsyth, C., Smith, A. R. A., Murphy, K. R., Raymer, K. M., et al. (2020). Do Statistical Models Capture the Dynamics of the Magnetopause During Sudden Magnetospheric Compressions? Journal of Geophysical Research: Space Physics, 125(4).
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Published in Space Weather, 2020
Recommended citation: 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(5).
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Published in Journal of Geophysical Research: Space Physics, 2020
Recommended citation: 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.
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Published in Journal of Geophysical Research: Space Physics, 2020
Recommended citation: Breneman, A. W., Halford, A. J., Millan, R. M., Woodger, L. A., Zhang, X.-J., Sandhu, J. K., 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.
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Published in Journal of Geophysical Research: Space Physics, 2020
Recommended citation: Smith, A. W., Rae, I. J., Forsyth, C., Watt, C. E. J., Murphy, K. R., & Mann, I. R. (2020). Diagnosing the time-dependent nature of magnetosphere-ionosphere coupling via ULF waves at substorm onset. Journal of Geophysical Research: Space Physics, 125, e2020JA028573.
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Published in Journal of Geophysical Research: Space Physics, 2021
Recommended citation: 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.
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Published in Journal of Geophysical Research: Space Physics, 2021
Recommended citation: Ferdousi B., J. Reader, E. Zesta, W. Cramer, K. Murphy, Association of Auroral Streamers and Bursty Bulk Flows during Different States of the Magnetotail: A Case Study, J. Geophys. Res., accepted.
Published in Journal of Geophysical Research: Space Physics, 2021
Recommended citation: Shumko et al. 2021, On the Unexpected Correlation Between Relativistic1Electron Microbursts and Patchy Pulsating Aurora, Geophys. Res. Lett., accepted.
Published in Geophysical Research Letters, 2021
Recommended citation: Shumko et al. 2021, On the Unexpected Correlation Between Relativistic1Electron Microbursts and Patchy Pulsating Aurora, Geophys. Res. Lett., accepted.
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Published in Journal of Geophysical Research: Space Physics, 2021
Recommended citation: Ferdousi B., J. Reader, E. Zesta, W. Cramer, K. Murphy, Association of Auroral Streamers and Bursty Bulk Flows during Different States of the Magnetotail: A Case Study, J. Geophys. Res., accepted.
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Published in Geophysical Research Letters, 2021
Recommended citation: Turner, D. L., Cohen, I. J., Michael, A., Sorathia, K., Merkin, S., Mauk, B. H., et al. (2021). Can Earth's magnetotail plasma sheet produce a source of relativistic electrons for the radiation belts? Geophysical Research Letters, 48, e2021GL095495. https://doi.org/10.1029/2021GL095495
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Published in Magnetospheric Imaging, 2022
Recommended citation: Murphy, K. R., Bentley, S. N., Miles, D., Sandhu, J. K., & Smith, A. (2022). Imaging the magnetosphere-ionosphere system with ground-based and in-situ magnetometers. In Y. Collado-Vega, D. Gallagher, H. Frey, & S. Wing (Eds.), Magnetospheric Imaging: Understanding the Space Environment through Global Measurements (pp. 287-340). Elsevier. https://doi.org/10.1016/B978-0-12-820630-0.00002-7
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Published in Journal of Geophysical Research: Space Physics, 2022
Recommended citation: Staples, F. A., Kellerman, A., Murphy, K. R., Rae, I. J., Sandhu, J. K., & Forsyth, C. (2022). Resolving magnetopause shadowing using multimission measurements of phase space density. Journal of Geophysical Research: Space Physics, 127, e2021JA029298. https://doi.org/10.1029/2021JA029298
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Published in Journal of Geophysical Research: Space Physics, 2022
Recommended citation: Walton, S. D., Forsyth, C., Rae, I. J., Meredith, N. P., Sandhu, J. K., Walach, M.-T., & Murphy, K. R. (2022). Statistical comparison of electron loss and enhancement in the outer radiation belt during storms. Journal of Geophysical Research: Space Physics, 127, e2021JA030069. https://doi.org/10.1029/2021JA030069
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Published in Frontiers in Astronomy and Space Sciences, 2022
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Published in Experimental Astronomy, 2022
Recommended citation: Rae, J., Forsyth, C., Dunlop, M. et al. What are the fundamental modes of energy transfer and partitioning in the coupled Magnetosphere-Ionosphere system?. Exp Astron 54, 391–426 (2022). https://doi.org/10.1007/s10686-022-09861-w
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Published in Frontiers in Astronomy and Space Sciences, 2022
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Published in Frontiers in Astronomy and Space Sciences, 2022
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Published in Frontiers in Astronomy and Space Sciences, 2022
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Published in Frontiers in Astronomy and Space Sciences, 2022
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Published in Journal of Geophysical Research: Space Physics, 2023
Recommended citation: Smith, A. W., Rae, I. J., Forsyth, C., Watt, C. E. J., & Murphy, K. R. (2023). Statistical characterization of the dynamic near-Earth plasma sheet relative to Ultra-Low Frequency (ULF) wave growth at substorm onset. Journal of Geophysical Research: Space Physics, 128, e2022JA030491. https://doi.org/10.1029/2022JA030491
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Published in Frontiers in Astronomy and Space Sciences, 2023
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Published in Space Weather, 2023
Recommended citation: Murphy, K. R., Sandhu, J., Rae, I. J., Daggitt, T., Glauert, S., Horne, R. B., et al. (2023). A new four-component L*-dependent model for radial diffusion based on solar wind and magnetospheric drivers of ULF waves. Space Weather, 21, e2023SW003440. https://doi.org/10.1029/2023SW003440
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Published in Journal of Geophysical Research: Space Physics, 2023
Recommended citation: Remya, B., Halford, A. J., Sibeck, D. G., Murphy, K. R., & Fok, M.-C. (2023). Understanding quiet and storm time EMIC waves—Van Allen Probes results. Journal of Geophysical Research: Space Physics, 128, e2023JA031712. https://doi.org/10.1029/2023JA031712
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Published in Bulletin of the AAS, 2023
Recommended citation: Sibeck, D., Murphy, K., Porter, F. S., Walsh, B., Connor, H., Kuntz, K., … Henderson, M. (2023). Imaging the End-to-End Dynamics of the Global Solar Wind-Magnetosphere Interaction. Bulletin of the AAS, 55(3). https://doi.org/10.3847/25c2cfeb.9b87eed9
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Published in Bulletin of the AAS, 2023
Recommended citation: Vines, S., Anderson, B., Waters, C. L., Allen, R. C., Maute, A., Kunduri, B., … Gang, L. (2023). Beyond AMPERE-NEXT: Envisioning the Next System of Global High-Latitude Electrodynamics. Bulletin of the AAS, 55(3). https://doi.org/10.3847/25c2cfeb.76348bf9
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Published in Geophysical Research Letters, 2023
Recommended citation: Olifer, L., Mann, I. R., Ozeke, L. G., Walton, S. D., Breneman, A. W., & Murphy, K. (2023). Intense energetic electron precipitation caused by the self-limiting of space radiation. Geophysical Research Letters, 50, e2023GL105392. https://doi.org/10.1029/2023GL105392
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Published in Journal of Geophysical Research: Space Physics, 2023
Recommended citation: Walton, S. D., Mann, I. R., Olifer, L., Ozeke, L. G., Forsyth, C., Rae, I. J., et al. (2023). The response of electron pitch angle distributions to the upper limit on stably trapped particles. Journal of Geophysical Research: Space Physics, 128, e2023JA031988. https://doi.org/10.1029/2023JA031988
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Published in Geophysical Research Letters, 2023
Recommended citation: Sandhu, J. K., Degeling, A. W., Elsden, T., Murphy, K. R., Rae, I. J., Wright, A. N., et al. (2023). Van Allen Probes observations of a three-dimensional field line resonance at a plasmaspheric plume. Geophysical Research Letters, 50, e2023GL106715. https://doi.org/10.1029/2023GL106715
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Published in Journal of Geophysical Research: Space Physics, 2023
Recommended citation: Coxon, J. C., Chisham, G., Freeman, M. P., Forsyth, C., Walach, M.-T., Murphy, K. R., et al. (2023). Extreme Birkeland currents are more likely during geomagnetic storms on the dayside of the Earth. Journal of Geophysical Research: Space Physics, 128, e2023JA031946. https://doi.org/10.1029/2023JA031946
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Published in Journal of Geophysical Research: Space Physics, 2023
Recommended citation: Greeley, A. D., Kanekal, S. G., Schiller, Q., Blum, L., Halford, A., Murphy, K., et al. (2024). Persistent pitch angle anisotropies of relativistic electrons in the outer radiation belts. Journal of Geophysical Research: Space Physics, 129, e2023JA031549. https://doi.org/10.1029/2023JA031549
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Published in Frontiers in Astronomy and Space Sciences, 2024
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Published in Journal of Geophysical Research: Space Physics, 2024
Recommended citation: Inglis, A. R., Murphy, K. R., & Halford, A. (2024). A Survey of EMIC waves in Van Allen Probe data. Journal of Geophysical Research: Space Physics, 129, e2024JA032666. https://doi.org/10.1029/2024JA032666
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Published in Frontiers in Astronomy and Space Sciences, 2024
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Published in Journal of Geophysical Research: Space Physics, 2024
Recommended citation: Pitzel, J. C., Cully, C. M., Ripoll, J.-F., Loridan, V., Huang, C.-L., Spence, H. E., et al. (2024). Derivations of the total radiation belt electron content. Journal of Geophysical Research: Space Physics, 129, e2024JA032940. https://doi.org/10.1029/2024JA032940
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Published in Journal of Geophysical Research: Space Physics, 2024
Recommended citation: Shonibare, T., Murphy, K. R., & Pakhotin, I. P. (2024). Diamond experiment in the magnetosphere (DEIMOS): A collisionless shocks and solar wind mission concept for the Lunar Gateway. Journal of Geophysical Research: Space Physics, 129, e2024JA032728. https://doi.org/10.1029/2024JA032728
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Published in Space Weather, 2025
Recommended citation: Murphy, K., Halford, A. J., Liu, V., Klenzing, J., Smith, J., Garcia-Sage, K., et al. (2025). Understanding and modeling the dynamics of storm-time atmospheric neutral density using random forests. Space Weather, 23, e2024SW003928. https://doi.org/10.1029/2024SW003928
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Published in Geophysical Research Letters, 2025
Recommended citation: Sibeck, D. G., & Murphy, K. R. (2025). Quantifying the effects of solar wind fluctuations on the solar wind-magnetosphere interaction. Geophysical Research Letters, 52, e2025GL114954. https://doi.org/10.1029/2025GL114954
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