A three-dimensional simulation of the kelvin-helmholtz instability

Kristi A. Keller, Robert L Lysak, Yan Song

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

The Kelvin-Helmholtz instability has been invoked to describe the formation of auroral curls and spirals. In this paper we present results about the generation of field-aligned currents (FACs) by the Kelvin-Helmholtz instability using a three- dimensional compressible simulation at the dayside low-latitude boundary layer. We explore the relationship of the height-integrated Pedersen conductivity with the formation of the Kelvin-Helmholtz instability and the generation of FACs. A higher conductivity stabilizes the system but generates a larger integrated FAC. When the two ionospheres have different conductivities, an interhemispherical current can be generated.

Original languageEnglish (US)
Title of host publicationMagnetospheric Current Systems, 2000
EditorsRyoichi Fujii, Shin-Ichi Ohtani, Michael Hesse, Robert L. Lysak
PublisherBlackwell Publishing Ltd
Pages157-164
Number of pages8
ISBN (Electronic)9781118669006
ISBN (Print)9780875909769
DOIs
StatePublished - Jan 1 2000

Publication series

NameGeophysical Monograph Series
Volume118
ISSN (Print)0065-8448
ISSN (Electronic)2328-8779

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