Search Results - "Jordanova, V. K."

The occurrence and wave properties of H+-, He+-, and O+-band EMIC waves observed by the Van Allen Probes by Saikin, A. A., Zhang, J.-C., Allen, R. C., Smith, C. W., Kistler, L. M., Spence, H. E., Torbert, R. B., Kletzing, C. A., Jordanova, V. K.

“…We perform a statistical study of electromagnetic ion cyclotron (EMIC) waves detected by the Van Allen Probes mission to investigate the spatial distribution…”
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A statistical study of EMIC waves observed by Cluster: 1. Wave properties by Allen, R. C., Zhang, J.-C., Kistler, L. M., Spence, H. E., Lin, R.-L., Klecker, B., Dunlop, M. W., André, M., Jordanova, V. K.

“…Electromagnetic ion cyclotron (EMIC) waves are an important mechanism for particle energization and losses inside the magnetosphere. In order to better…”
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Effect of spatial density variation and O+ concentration on the growth and evolution of electromagnetic ion cyclotron waves by Denton, R. E., Jordanova, V. K., Fraser, B. J.

“…We simulate electromagnetic ion cyclotron (EMIC) wave growth and evolution within three regions, the plasmasphere (or plasmaspheric plume), the plasmapause,…”
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Comparative study of ring current development using empirical, dipolar, and self-consistent magnetic field simulations by Jordanova, V. K., Zaharia, S., Welling, D. T.

“…The effects of nondipolar magnetic field configuration and the feedback of a self‐consistently computed magnetic field on ring current dynamics are…”
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RAM‐SCB simulations of electron transport and plasma wave scattering during the October 2012 “double‐dip” storm by Jordanova, V. K., Tu, W., Chen, Y., Morley, S. K., Panaitescu, A.‐D., Reeves, G. D., Kletzing, C. A.

“…Mechanisms for electron injection, trapping, and loss in the near‐Earth space environment are investigated during the October 2012 “double‐dip” storm using our…”
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A statistical study of EMIC waves observed by Cluster: 2. Associated plasma conditions by Allen, R. C., Zhang, J.‐C., Kistler, L. M., Spence, H. E., Lin, R.‐L., Klecker, B., Dunlop, M. W., André, M., Jordanova, V. K.

“…This is the second in a pair of papers discussing a statistical study of electromagnetic ion cyclotron (EMIC) waves detected during 10 years (2001–2010) of…”
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Modeling ring current ion and electron dynamics and plasma instabilities during a high-speed stream driven storm by Jordanova, V. K., Welling, D. T., Zaharia, S. G., Chen, L., Thorne, R. M.

“…The temporal and spatial development of the ring current is evaluated during the 23–26 October 2002 high‐speed stream (HSS) storm, using a kinetic ring…”
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Self-consistent inner magnetosphere simulation driven by a global MHD model by Zaharia, Sorin, Jordanova, V. K., Welling, D., Tóth, G.

“…We present results from a one‐way coupling between the kinetic Ring Current Atmosphere Interactions Model with Self‐Consistent B field (RAM‐SCB) and the Space…”
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Modeling the electromagnetic ion cyclotron wave-induced formation of detached subauroral proton arcs by Jordanova, V. K., Spasojevic, M., Thomsen, M. F.

“…Detached dayside proton arcs have been recently observed at Earth with the IMAGE FUV instrument as subauroral arcs separated from the main oval and extending…”
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The effects of dynamic ionospheric outflow on the ring current by Welling, D. T., Jordanova, V. K., Zaharia, S. G., Glocer, A., Toth, G.

“…The importance of ionospheric O+ on the development of the storm time ring current is recognized but not well understood. The addition of this outflow in…”
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The two-way relationship between ionospheric outflow and the ring current by Welling, D. T., Jordanova, V. K., Glocer, A., Toth, G., Liemohn, M. W., Weimer, D. R.

“…It is now well established that the ionosphere, because it acts as a significant source of plasma, plays a critical role in ring current dynamics. However,…”
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Excitation of whistler mode chorus from global ring current simulations by Jordanova, V. K., Thorne, R. M., Li, W., Miyoshi, Y.

“…We simulate ring current dynamics during the 22 April 2001 geomagnetic storm (Dstmin = −102 nT) using our global ring current–atmosphere interactions model…”
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Excitation of EMIC waves detected by the Van Allen Probes on 28 April 2013 by Zhang, J.-C., Saikin, A. A., Kistler, L. M., Smith, C. W., Spence, H. E., Mouikis, C. G., Torbert, R. B., Larsen, B. A., Reeves, G. D., Skoug, R. M., Funsten, H. O., Kurth, W. S., Kletzing, C. A., Allen, R. C., Jordanova, V. K.

“…We report the wave observations, associated plasma measurements, and linear theory testing of electromagnetic ion cyclotron (EMIC) wave events observed by the…”
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Van Allen Probes observations of structured whistler mode activity and coincident electron Landau acceleration inside a remnant plasmaspheric plume by Woodroffe, J. R., Jordanova, V. K., Funsten, H. O., Streltsov, A. V., Bengtson, M. T., Kletzing, C. A., Wygant, J. R., Thaller, S. A., Breneman, A. W.

“…We present observations from the Van Allen Probes spacecraft that identify a region of intense whistler mode activity within a large density enhancement…”
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Self-consistent modeling of magnetic fields and plasmas in the inner magnetosphere: Application to a geomagnetic storm by Zaharia, Sorin, Jordanova, V. K., Thomsen, M. F., Reeves, G. D.

“…A geomagnetic storm model needs to take into account the coupling between magnetic field and plasma, as the storm‐time field in the inner nightside…”
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Relativistic model of ring current and radiation belt ions and electrons: Initial results by Jordanova, V. K., Miyoshi, Y.

“…We present first results from our global drift‐loss model extended to relativistic energies and electrons, investigating the effect of magnetospheric…”
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Kinetic simulations of ring current evolution during the Geospace Environment Modeling challenge events by Jordanova, V. K., Miyoshi, Y. S., Zaharia, S., Thomsen, M. F., Reeves, G. D., Evans, D. S., Mouikis, C. G., Fennell, J. F.

“…We investigate the temporal and spatial evolution of the ring current during two storms selected for study by the Geospace Environment Modeling (GEM) program…”
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Fast modulations of pulsating proton aurora related to subpacket structures of Pc1 geomagnetic pulsations at subauroral latitudes by Ozaki, M., Shiokawa, K., Miyoshi, Y., Kataoka, R., Yagitani, S., Inoue, T., Ebihara, Y., Jun, C.‐W, Nomura, R., Sakaguchi, K., Otsuka, Y., Shoji, M., Schofield, I., Connors, M., Jordanova, V. K.

“…To understand the role of electromagnetic ion cyclotron (EMIC) waves in determining the temporal features of pulsating proton aurora (PPA) via wave‐particle…”
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Free energy to drive equatorial magnetosonic wave instability at geosynchronous orbit by Thomsen, M. F., Denton, M. H., Jordanova, V. K., Chen, L., Thorne, R. M.

“…The magnetosonic (or ion Bernstein) instability is driven by a positive slope in the ion distribution function perpendicular to the magnetic field at energies…”
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Modeling ring current proton precipitation by electromagnetic ion cyclotron waves during the May 14-16, 1997, storm by Jordanova, V. K., Farrugia, C. J., Thorne, R. M., Khazanov, G. V., Reeves, G. D., Thomsen, M. F.

“…We study mechanisms contributing to proton precipitation from the ring current during the May 14–16, 1997, geomagnetic storm. This storm was caused partly by…”
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