Variability of low-energy ion flux profiles on interplanetary shock fronts

M. Neugebauer; J. Giacalone; E. Chollet; D. Lario

doi:10.1029/2006JA011832

Variability of low-energy ion flux profiles on interplanetary shock fronts

M. Neugebauer, J. Giacalone, E. Chollet, D. Lario

Lunar and Planetary Lab

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Time-intensity profiles of 20-126 keV ions across interplanetary shocks are studied using data from ACE and Wind to determine the dependence of the profiles on spacecraft separation. Each pair of time-intensity profiles is examined to determine whether or not the same features (flat, classic energetic storm particle (ESP) rise, spikes, step functions, or complex patterns) are seen at both spacecraft. The persistence of particle profile patterns has a scale length in the plane of the shock of ∼2.9 Mkm, but the scale length along the shock normal direction is not well determined.

Original language	English (US)
Article number	A12107
Journal	Journal of Geophysical Research: Space Physics
Volume	111
Issue number	12
DOIs	https://doi.org/10.1029/2006JA011832
State	Published - Dec 1 2006

ASJC Scopus subject areas

Geophysics
Forestry
Oceanography
Aquatic Science
Ecology
Water Science and Technology
Soil Science
Geochemistry and Petrology
Earth-Surface Processes
Atmospheric Science
Earth and Planetary Sciences (miscellaneous)
Space and Planetary Science
Palaeontology

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AU - Giacalone, J.

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AU - Lario, D.

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AB - Time-intensity profiles of 20-126 keV ions across interplanetary shocks are studied using data from ACE and Wind to determine the dependence of the profiles on spacecraft separation. Each pair of time-intensity profiles is examined to determine whether or not the same features (flat, classic energetic storm particle (ESP) rise, spikes, step functions, or complex patterns) are seen at both spacecraft. The persistence of particle profile patterns has a scale length in the plane of the shock of ∼2.9 Mkm, but the scale length along the shock normal direction is not well determined.

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