2009
DOI: 10.1016/j.jastp.2008.08.012
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Ring current behaviour during corotating interaction region and high speed stream events

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Cited by 6 publications
(7 citation statements)
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“…It is surprising that for the isotropy boundary to play a role in the LAE dynamics of the CIR‐driven storm of 11 October 2008, the isotropy boundary must be located deep inside the inner magnetosphere, suggesting that other mechanisms are responsible for the scattering of protons into the loss cone. For CIR storms, fluctuations in IMF Bz component may cause numerous small injections and fluctuations in the location of the isotropy boundary for protons [ Sørbø et al ., ]. This activity may intensify wave‐particle interactions and cause isotropization of the distribution function in the inner magnetosphere for the 11 October 2008 event.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It is surprising that for the isotropy boundary to play a role in the LAE dynamics of the CIR‐driven storm of 11 October 2008, the isotropy boundary must be located deep inside the inner magnetosphere, suggesting that other mechanisms are responsible for the scattering of protons into the loss cone. For CIR storms, fluctuations in IMF Bz component may cause numerous small injections and fluctuations in the location of the isotropy boundary for protons [ Sørbø et al ., ]. This activity may intensify wave‐particle interactions and cause isotropization of the distribution function in the inner magnetosphere for the 11 October 2008 event.…”
Section: Discussionmentioning
confidence: 99%
“…We stress that MEPED telescopes have a 30° field of view. The meped0 channel can measure a mixed population of loss cone/trapped particles [ Sørbø et al ., ]. Very low fluxes for the meped0 channel therefore indicate that not only is the loss cone empty but also that there are no particles near the loss cone.…”
Section: April 2010 Eventmentioning
confidence: 98%
“…In turn, enhanced levels of convection and substorm activity inject sub‐relativistic particles into the Earth's inner magnetosphere, leading to the generation of a rich variety of plasma waves [e.g., Miyoshi et al , 2007]. Energization of this plasma sheet population during HSSs contributes to the formation of an enhanced ring current [ Jordanova et al , 2009; Sørbø et al , 2009], and subsequent further energization creates enhanced fluxes in the radiation belts. Most previous studies of CIR storms have been limited to particle fluxes and magnetospheric waves observed at geosynchronous orbit or in a limited L or MLT range, but extensive coverage in the inner magnetosphere is essential to understand the evolution of particle fluxes and magnetospheric waves in the entire inner magnetosphere.…”
Section: Introductionmentioning
confidence: 99%
“…Results indicate a super-hot and super-dense plasma sheet forms at the onset of a HSSdriven storm and is convected Earthwards in a period of a few hours. Energisation of this plasma sheet population during HSSs leads to formation of a enhanced ring current (Jordanova et al, 2009;Sørbø et al, 2009), which is subsequently energised leading to enhanced fluxes in the radiation belts. Fluxes within the belts may fluctuate rapidly during HSSs revealing the balance between sources and sinks, and also our ability to reproduce such fluctuations using theoretical models (Lam et al, 2009).…”
Section: High Speed Solar Wind Streams-recent Progressmentioning
confidence: 99%