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Ion Layer Separation and Equilibrium Zonal Winds in Midlatitude Sporadic EIn-situ observations of a moderately strong mid-latitude sporadic-E layer show a separation in altitude between distinct sublayers composed of Fe(+), Mg(+), and NO(+). From these observations it is possible to estimate the zonal wind field consistent with diffusive equilibrium near the altitude of the layer. The amplitude of the zonal wind necessary to sustain the layer against diffusive effects is less than 10 meters per second, and the vertical wavelength is less than 10 km.
Document ID
20000073213
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Earle, G. D.
(Texas Univ. at Dallas Richardson, TX United States)
Kane, T. J.
(Pennsylvania State Univ. State College, PA United States)
Pfaff, R. F.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Bounds, S. R.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
August 19, 2013
Publication Date
February 15, 2000
Publication Information
Publication: Geophysical Research Letters
Publisher: American Geophysical Union
Volume: 27
Issue: 4
ISSN: 0094-8276
Subject Category
Geophysics
Report/Patent Number
Paper 1999GL900572
Funding Number(s)
CONTRACT_GRANT: NAG5-5086
CONTRACT_GRANT: NAG5-5035
CONTRACT_GRANT: NAG5-5076
Distribution Limits
Public
Copyright
Other

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