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Volumetric Studies of Earth's Electron Foreshock Using PEACE DataWe describe the methodology used to set up and compute spatial derivatives of the electron moments using data acquired by the Plasma Electron And Current Experiment (PEACE) electron data from the four Cluster spacecraft. The results are used to investigate electron vorticity in the foreshock. What is found is that much of the measured vorticity, under nominal conditions, appears to be caused by changes in the flow direction of the return (either reflected or leakage from the magnetosheath) and strahl electron populations as they couple to changes in the magnetic field orientation. This in turn results in deflections in the total bulk velocity.
Document ID
20110005632
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Goldstein, Melvyn L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gurgiolo, Chris (Bitterroot Basic Research Bitterroot, MT, United States)
Fazakersley, Andrew (University Coll. London, United Kingdom)
Date Acquired
August 25, 2013
Publication Date
September 24, 2010
Subject Category
Geophysics
Meeting Information
Meeting: Cluster 10 Anniversary Workshop
Location: Corfu
Country: Greece
Start Date: September 24, 2010
End Date: October 2, 2010
Distribution Limits
Public
Copyright
Public Use Permitted.

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