Space Environment Modeling Group

Zhu H., Y. Y. Shprits, L. Chen, X. Liu, A. C. Kellerman, (2018), An Event on Simultaneous Amplification of Exohiss and Chorus Waves Associated With Electron Density Enhancements, J. Geophys. Res. [Space Physics], 123, 8958-8968, doi:10.1029/2017JA025023

Shprits Y. Y., A. Kellerman, N. Aseev, A. Y. Drozdov, I. Michaelis, (2017), Multi-MeV electron loss in the heart of the radiation belts, Geophysical Research Letters, 44, 1204-1209, doi:10.1002/2016GL072258

Orlova K., Y. Shprits, M. Spasojevic, (2016), New global loss model of energetic and relativistic electrons based on Van Allen Probes measurements, J. Geophys. Res. [Space Physics], 121, 1308-1314, doi:10.1002/2015JA021878

Ripoll J. -., V. Loridan, G. S. Cunningham, G. D. Reeves, Y. Y. Shprits, (2016), On the time needed to reach an equilibrium structure of the radiation belts, J. Geophys. Res. [Space Physics], 121, 7684-7698, doi:10.1002/2015JA022207

Shprits Y. Y., A. Y. Drozdov, M. Spasojevic, A. C. Kellerman, M. E. Usanova, M. J. Engebretson, O. V. Agapitov, I. S. Zhelavskaya, T. J. Raita, H. E. Spence, D. N. Baker, H. Zhu, N. A. Aseev, (2016), Wave-induced loss of ultra-relativistic electrons in the Van Allen radiation belts, Nature Communications, 7, doi:10.1038/ncomms12883

Uzbekov B., Y. Shprits, K. Orlova, (2016), Scattering of Relativistic and Ultra-relativistic Electrons by Obliquely Propagating Electromagnetic Ion Cyclotron Waves, Journal Of Atmospheric And Solar-terrestrial Physics, 148, 22-31, doi:10.1016/j.jastp.2016.08.004

Zhelavskaya I. S., M. Spasojevic, Y. Y. Shprits, W. S. Kurth, (2016), Automated determination of electron density from electric field measurements on the Van Allen Probes spacecraft, J. Geophys. Res. [Space Physics], 121, 4611-4625, doi:10.1002/2015JA022132

Drozdov A. Y., Y. Y. Shprits, K. G. Orlova, A. C. Kellerman, D. A. Subbotin, D. N. Baker, H. E. Spence, G. D. Reeves, (2015), Energetic, relativistic, and ultrarelativistic electrons: Comparison of long-term VERB code simulations with Van Allen Probes measurements, J. Geophys. Res. [Space Physics], 120, 3574-3587, doi:10.1002/2014JA020637

Kim K., D. Lee, Y. Shprits, (2015), Dependence of plasmaspheric hiss on solar wind parameters and geomagnetic activity and modeling of its global distribution, J. Geophys. Res. [Space Physics], 120, 1153-1167, doi:10.1002/2014JA020687

Shprits Y. Y., A. C. Kellerman, A. Y. Drozdov, H. E. Spence, G. D. Reeves, D. N. Baker, (2015), Combined convective and diffusive simulations: VERB-4D comparison with 17 March 2013 Van Allen Probes observations, Geophysical Research Letters, 42, 9600-9608, doi:10.1002/2015GL065230

Spasojevic M., Y. Y. Shprits, K. Orlova, (2015), Global empirical models of plasmaspheric hiss using Van Allen Probes, J. Geophys. Res. [Space Physics], 120, 10,370-10,383, doi:10.1002/2015JA021803

Foster J. C., P. J. Erickson, D. N. Baker, S. G. Claudepierre, C. A. Kletzing, W. Kurth, G. D. Reeves, S. A. Thaller, H. E. Spence, Y. Y. Shprits, J. R. Wygant, (2014), Prompt energization of relativistic and highly relativistic electrons during a substorm interval: Van Allen Probes observations, Geophysical Research Letters, 41, 20-25, doi:10.1002/2013GL058438

Orlova K., Y. Shprits, (2014), Model of lifetimes of the outer radiation belt electrons in a realistic magnetic field using realistic chorus wave parameters, J. Geophys. Res. [Space Physics], 119, 770-780, doi:10.1002/2013JA019596

Orlova K., M. Spasojevic, Y. Shprits, (2014), Activity-dependent global model of electron loss inside the plasmasphere, Geophysical Research Letters, 41, 3744-3751, doi:10.1002/2014GL060100

Pakhotin I. P., A. Y. Drozdov, Y. Y. Shprits, R. J. Boynton, D. A. Subbotin, M. A. Balikhin, (2014), Simulation of high-energy radiation belt electron fluxes using NARMAX-VERB coupled codes, J. Geophys. Res. [Space Physics], 119, 8073-8086, doi:10.1002/2014JA020238

Podladchikova T. V., Y. Y. Shprits, D. Kondrashov, A. C. Kellerman, (2014), Noise statistics identification for Kalman filtering of the electron radiation belt observations I: Model errors, J. Geophys. Res. [Space Physics], 119, 5700-5724, doi:10.1002/2014JA019897

Podladchikova T. V., Y. Y. Shprits, A. C. Kellerman, D. Kondrashov, (2014), Noise statistics identification for Kalman filtering of the electron radiation belt observations: 2. Filtration and smoothing, J. Geophys. Res. [Space Physics], 119, 5725-5743, doi:10.1002/2014JA019898

Ni B., Y. Y. Shprits, R. H. Friedel, R. M. Thorne, M. Daae, Y. Chen, (2013), Responses of Earth’s radiation belts to solar wind dynamic pressure variations in 2002 analyzed using multisatellite data and Kalman filtering, J. Geophys. Res. [Space Physics], 118, 4400-4414, doi:10.1002/jgra.50437

Shprits Y. Y., D. Subbotin, A. Drozdov, M. E. Usanova, A. Kellerman, K. Orlova, D. N. Baker, D. L. Turner, K. Kim, (2013), Unusual stable trapping of the ultrarelativistic electrons in the Van Allen radiation belts, Nature Physics, 9, 699–703, doi:10.1038/nphys2760

Shprits Y., A. Kellerman, D. Kondrashov, D. Subbotin, (2013), Application of a new data operator-splitting data assimilation technique to the 3-D VERB diffusion code and CRRES measurements, Geophysical Research Letters, 40, 4998-5002, doi:10.1002/grl.50969