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Impact of ULF oscillations in solar wind dynamic pressure on the outer radiation belt electrons. / Ukhorskiy, A. Y.; Anderson, B. J.; Takahashi, K.; Tsyganenko, N. A.

In: Geophysical Research Letters, Vol. 33, No. 6, L06111, 2006.

Research output: Contribution to journalArticlepeer-review

Harvard

Ukhorskiy, AY, Anderson, BJ, Takahashi, K & Tsyganenko, NA 2006, 'Impact of ULF oscillations in solar wind dynamic pressure on the outer radiation belt electrons', Geophysical Research Letters, vol. 33, no. 6, L06111. https://doi.org/10.1029/2005GL024380

APA

Ukhorskiy, A. Y., Anderson, B. J., Takahashi, K., & Tsyganenko, N. A. (2006). Impact of ULF oscillations in solar wind dynamic pressure on the outer radiation belt electrons. Geophysical Research Letters, 33(6), [L06111]. https://doi.org/10.1029/2005GL024380

Vancouver

Author

Ukhorskiy, A. Y. ; Anderson, B. J. ; Takahashi, K. ; Tsyganenko, N. A. / Impact of ULF oscillations in solar wind dynamic pressure on the outer radiation belt electrons. In: Geophysical Research Letters. 2006 ; Vol. 33, No. 6.

BibTeX

@article{a7e12269dcb444889064d7de24adc41b,
title = "Impact of ULF oscillations in solar wind dynamic pressure on the outer radiation belt electrons",
abstract = "This work addresses radial transport of outer radiation belt electrons due to ULF disturbances of geomagnetic field. A new approach to calculating inductive electric field is developed and implemented using a dynamical model of thestorm-time geomagnetic field. The approach is used to analyze the effects associated with solar wind dynamic pressure (Pdyn). It is found that Pdyn produces large-scale electric fields with maximum intensity at noon and midnight local time. Derived fields are used in test particle calculations of relativistic electron dynamics. The results show that even moderate oscillations of Pdyn typical for quiet-time magnetosphere can result in rapid electron scattering across the drift shells, which identifies Pdyn as one of the primary mechanisms of radial transport in the belt. Calculations show that electron motion is inconsistent with radial diffusion, and hence a more detailed description is required for accurate predictions of electron fluxes in the belt.",
keywords = "solar wind, radiation belt, ULF emissions",
author = "Ukhorskiy, {A. Y.} and Anderson, {B. J.} and K. Takahashi and Tsyganenko, {N. A.}",
year = "2006",
doi = "10.1029/2005GL024380",
language = "English",
volume = "33",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "6",

}

RIS

TY - JOUR

T1 - Impact of ULF oscillations in solar wind dynamic pressure on the outer radiation belt electrons

AU - Ukhorskiy, A. Y.

AU - Anderson, B. J.

AU - Takahashi, K.

AU - Tsyganenko, N. A.

PY - 2006

Y1 - 2006

N2 - This work addresses radial transport of outer radiation belt electrons due to ULF disturbances of geomagnetic field. A new approach to calculating inductive electric field is developed and implemented using a dynamical model of thestorm-time geomagnetic field. The approach is used to analyze the effects associated with solar wind dynamic pressure (Pdyn). It is found that Pdyn produces large-scale electric fields with maximum intensity at noon and midnight local time. Derived fields are used in test particle calculations of relativistic electron dynamics. The results show that even moderate oscillations of Pdyn typical for quiet-time magnetosphere can result in rapid electron scattering across the drift shells, which identifies Pdyn as one of the primary mechanisms of radial transport in the belt. Calculations show that electron motion is inconsistent with radial diffusion, and hence a more detailed description is required for accurate predictions of electron fluxes in the belt.

AB - This work addresses radial transport of outer radiation belt electrons due to ULF disturbances of geomagnetic field. A new approach to calculating inductive electric field is developed and implemented using a dynamical model of thestorm-time geomagnetic field. The approach is used to analyze the effects associated with solar wind dynamic pressure (Pdyn). It is found that Pdyn produces large-scale electric fields with maximum intensity at noon and midnight local time. Derived fields are used in test particle calculations of relativistic electron dynamics. The results show that even moderate oscillations of Pdyn typical for quiet-time magnetosphere can result in rapid electron scattering across the drift shells, which identifies Pdyn as one of the primary mechanisms of radial transport in the belt. Calculations show that electron motion is inconsistent with radial diffusion, and hence a more detailed description is required for accurate predictions of electron fluxes in the belt.

KW - solar wind

KW - radiation belt

KW - ULF emissions

U2 - 10.1029/2005GL024380

DO - 10.1029/2005GL024380

M3 - Article

VL - 33

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 6

M1 - L06111

ER -

ID: 5073245