Home » Spence

2018

Saikin A., J. C. Zhang, W. Smith, M. Mello, E. Spence, D. Reeves, B. Torbert, C. Kletzing, (2018), An inner magnetosphere empirical EMIC wave amplitude and occurrence prediction model, (poster), AGU 2018 Fall Meeting

Saikin A. A., V. K. Jordanova, J. C. Zhang, C. W. Smith, H. E. Spence, B. A. Larsen, G. D. Reeves, R. B. Torbert, C. A. Kletzing, I. S. Zhelavskaya, Y. Y. Shprits, (2018), Comparing simulated and observed EMIC wave amplitudes using in situ Van Allen Probes’ measurements, Journal Of Atmospheric And Solar-terrestrial Physics, 177, doi:10.1016/j.jastp.2018.01.024

2016

Boyd A. J., H. E. Spence, C. -. Huang, G. D. Reeves, D. N. Baker, D. L. Turner, S. G. Claudepierre, J. F. Fennell, J. B. Blake, Y. Y. Shprits, (2016), Statistical properties of the radiation belt seed population, J. of Geophys. Res. [Space Physics], 121, 7636-7646, doi:10.1002/2016JA022652

Drozdov A. Y., Y. Y. Shprits, K. G. Orlova, A. C. Kellerman, D. A. Subbotin, D. N. Baker, H. E. Spence, G. D. Reeves, (2016), Energetic, relativistic, and ultrarelativistic electrons: Comparison of long-term VERB code simulations with Van Allen Probes measurements, EGU General Assembly 2016, Vienna, Austria, 17-22 April, 2016

Saikin A. A., J. -. Zhang, C. W. Smith, H. E. Spence, R. B. Torbert, C. A. Kletzing, (2016), The dependence on geomagnetic conditions and solar wind dynamic pressure of the spatial distributions of EMIC waves observed by the Van Allen Probes, J. of Geophys. Res. [Space Physics], 121, 4362-4377, doi:10.1002/2016JA022523

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

Zhang J., A. J. Halford, A. A. Saikin, C. Huang, H. E. Spence, B. A. Larsen, G. D. Reeves, R. M. Millan, C. W. Smith, R. B. Torbert, W. S. Kurth, C. A. Kletzing, J. B. Blake, J. F. Fennel, D. N. Baker, (2016), EMIC waves and associated relativistic electron precipitation on 25–26 January 2013, J. of Geophys. Res. [Space Physics], 121, 11,086-11,100, doi:10.1002/2016JA022918

2015

Drozdov A., Y. Shprits, K. Orlova, A. C. Kellerman, D. Subbotin, D. N. Baker, H. E. Spence, G. D. Reeves, (2015), Long-term VERB Code Simulations of Ultra-relativistic Electrons and Comparison with Van Allen Probes Measurements, AGU Fall Meeting 2015, San Francisco, CA, 14-18 December

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. of Geophys. Res. [Space Physics], 120, 3574-3587, doi:10.1002/2014JA020637

Saikin A. A., J. -. Zhang, R. C. Allen, C. W. Smith, L. M. Kistler, H. E. Spence, R. B. Torbert, C. A. Kletzing, V. K. Jordanova, (2015), The occurrence and wave properties of H+-, He+-, and O+-band EMIC waves observed by the Van Allen Probes, J. of Geophys. Res. [Space Physics], 120, 7477-7492, doi:10.1002/2015JA021358

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

Su Z., H. Zhu, F. Xiao, Q. -. Zong, X. -. Zhou, H. Zheng, Y. Wang, S. Wang, Y. -. Hao, Z. Gao, Z. He, D. N. Baker, H. E. Spence, G. D. Reeves, J. B. Blake, J. R. Wygant, (2015), Ultra-low-frequency wave-driven diffusion of radiation belt relativistic electrons, Nature Communications, 6, 10096, doi:10.1038/ncomms10096

Su Z., H. Zhu, F. Xiao, H. Zheng, Y. Wang, C. Shen, M. Zhang, S. Wang, C. A. Kletzing, W. S. Kurth, G. B. Hospodarsky, H. E. Spence, G. D. Reeves, H. O. Funsten, J. B. Blake, D. N. Baker, J. R. Wygant, (2015), Disappearance of plasmaspheric hiss following interplanetary shock, Geophysical Research Letters, 42, 3129-3140, doi:10.1002/2015GL063906

Zhu H., Z. Su, F. Xiao, H. Zheng, Y. Wang, C. Shen, T. Xian, S. Wang, C. A. Kletzing, W. S. Kurth, G. B. Hospodarsky, H. E. Spence, G. D. Reeves, H. O. Funsten, J. B. Blake, D. N. Baker, (2015), Plasmatrough exohiss waves observed by Van Allen Probes: Evidence for leakage from plasmasphere and resonant scattering of radiation belt electrons, Geophysical Research Letters, 42, 1012-1019, doi:10.1002/2014GL062964

2014

Baker D. N., A. N. Jaynes, X. Li, M. G. Henderson, S. G. Kanekal, G. D. Reeves, H. E. Spence, S. G. Claudepierre, J. F. Fennell, M. K. Hudson, R. M. Thorne, J. C. Foster, P. J. Erickson, D. M. Malaspina, J. R. Wygant, A. Boyd, C. A. Kletzing, A. Drozdov, Y. Y. Shprits, (2014), Gradual diffusion and punctuated phase space density enhancements of highly relativistic electrons: Van Allen Probes observations, Geophysical Research Letters, 41, 1351-1358, doi:10.1002/2013GL058942

Boyd A., H. Spence, G. Reeves, D. Baker, J. Blake, S. Claudepierre, J. F. Fennell, Y. Y. Shprits, (2014), A Statistical look at the radiation belt seed population, AGU Fall Meeting 2014, San Francisco, 14-18 December

Drozdov A. Y., Y. Y. Baker, H. Spence, (2014), Simulation of radiation belt dynamics with the VERB code for a long period, (invited), 40th Cospar Scientific Assembly, Moscow, Russia, 2-10 August.

Drozdov A., K. G. Orlova, D. Subbotin, H. Spence, (2014), Energetic relativistic and ultra-relativistic electrons: comparison of long-term VERB code simulations with Van Allen Probes measurements, (poster), AGU Fall Meeting 2014, San Francisco, 14-18 December

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

Mann I., M. Usanova, A. Y. Drozdov, K. G. Orlova, K. Murphy, Y. Y. Shprits, M. Robertson, D. Turner, D. K. Milling, A. Kale, D. N. Baker, S. Thaller, G. Reeves, H. Spence, C. Kletzing, J. Wygant, T. Raita, (2014), Spatial localization and ducting of EMIC waves: Effect on ultra-relativistic electron populations using ground-based and Van Allen Probes observations, 40th Cospar Scientific Assembly, Moscow, Russia, 2-10 August.

Su Z., H. Zhu, F. Xiao, H. Zheng, Y. Wang, Q. -. Zong, Z. He, C. Shen, M. Zhang, S. Wang, C. A. Kletzing, W. S. Kurth, G. B. Hospodarsky, H. E. Spence, G. D. Reeves, H. O. Funsten, J. B. Blake, D. N. Baker, (2014), Quantifying the relative contributions of substorm injections and chorus waves to the rapid outward extension of electron radiation belt, J. of Geophys. Res. [Space Physics], 119, 10,023-10,040, doi:10.1002/2014JA020709

Su Z., H. Zhu, F. Xiao, H. Zheng, Y. Wang, Z. He, C. Shen, C. Shen, C. B. Wang, R. Liu, M. Zhang, S. Wang, C. A. Kletzing, W. S. Kurth, G. B. Hospodarsky, H. E. Spence, G. D. Reeves, H. O. Funsten, J. B. Blake, D. N. Baker, J. R. Wygant, (2014), Intense duskside lower band chorus waves observed by Van Allen Probes: Generation and potential acceleration effect on radiation belt electrons, J. of Geophys. Res. [Space Physics], 119, 4266-4273, doi:10.1002/2014JA019919

Usanova M. E., A. Drozdov, K. Orlova, I. R. Mann, Y. Shprits, M. T. Robertson, D. L. Turner, D. K. Milling, A. Kale, D. N. Baker, S. A. Thaller, G. D. Reeves, H. E. Spence, C. Kletzing, J. Wygant, (2014), Effect of EMIC waves on relativistic and ultrarelativistic electron populations: Ground-based and Van Allen Probes observations, Geophysical Research Letters, 41, 1375-1381, doi:10.1002/2013GL059024

Usanova M., A. Y. Drozdov, K. G. Orlova, I. Mann, Y. Y. Shprits, M. Robertson, D. Turner, D. Milling, A. Kale, D. Baker, G. Reeves, H. Spence, C. Kletzing, J. Wygant, (2014), Effect of EMIC Waves on Relativistic and Ultra-Relativistic Electron Populations: Ground-based and Van Allen Probes Observations, EGU General Assembly 2014, EGU, Vienna, Austria, 27 April – 2 May

Zhang J. -., A. A. Saikin, L. M. Kistler, C. W. Smith, H. E. Spence, C. G. Mouikis, R. B. Torbert, B. A. Larsen, G. D. Reeves, R. M. Skoug, H. O. Funsten, W. S. Kurth, C. A. Kletzing, R. C. Allen, V. K. Jordanova, (2014), Excitation of EMIC waves detected by the Van Allen Probes on 28 April 2013, Geophysical Research Letters, 41, 4101-4108, doi:10.1002/2014GL060621