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Lidar observations of mesospheric Fe and sporadic Fe layers at Urbana, IllinoisLidar measurements of mesospheric Fe at Urbana, Illinois were conducted during 4 nights in October, 1989. The average Fe abundances were in the range (1.0-2.0) X 10 to the 10/sq cm. The layer centroid heights range between 89.0 and 90.5 km and the rms widths vary between 3.2 and 4.1 km. Considerable gravity wave and tidal activity are observed in the Fe profiles. The observations are compared with previous measurements of mesospheric Fe and with observations of sporadic Na (Na/S/) layers.
Document ID
19900037880
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Bills, Richard E. (Illinois Univ. Urbana, IL, United States)
Gardner, Chester S. (Illinois, University Urbana, United States)
Date Acquired
August 14, 2013
Publication Date
February 1, 1990
Publication Information
Publication: Geophysical Research Letters
Volume: 17
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
90A24935
Funding Number(s)
CONTRACT_GRANT: NSF ATM-88-11771
CONTRACT_GRANT: NSG-5049
Distribution Limits
Public
Copyright
Other

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