Submitting Campus

Daytona Beach

Department

Department of Physical Sciences

Document Type

Article

Publication/Presentation Date

10-2006

Abstract/Description

On 3 July 2001, the four Cluster satellites traversed along the dawnside magnetospheric flank and observed large variations in all plasma parameters. The estimated magnetopause boundary normals were oscillating in the z-direction and the normal component of the magnetic field showed systematic ~2–3 min bipolar variations for 1 h when the IMF had a small positive bz-component and a Parker-spiral orientation in the x, y-plane. Brief ~33 s intervals with excellent deHoffman Teller frames were observed satisfying the Wal´en relation. Detailed comparisons with 2- D MHD simulations indicate that Cluster encountered rotational discontinuities generated by Kelvin-Helmholtz instability. We estimate a wave length of ~6RE and a wave vector with a significant z-component.

Publication Title

Annales Geophysicae

DOI

https://doi.org/10.5194/angeo-24-2416-2006

Publisher

European Geosciences Union

Additional Information

Dr. Nykyri was not affiliated with Embry-Riddle Aeronautical University at the time this paper was published.

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