Actions for Neutral winds above 200Km at high latitudes

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Neutral winds above 200Km at high latitudes

Author
Heppner, J. P.
Published
Oct 1, 1972.
Physical Description
1 electronic document
Additional Creators
Stolarik, J. D., Wescott, E. M., and Meriwether, J. W.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Motion from multiple chemical releases between 200 and 300 km from 15 rockets launched from 4 high latitude locations are analyzed. The observations in the evening and midnight hours at magnetic altitudes or = 65 deg suggest that in these regions ion drag is the dominant force in driving neutral winds between 200 and 300 km. This conclusion is based on both the agreement between ion and neutral drift directions, and the fact that there are distinct changes in the wind associated with (a) the reversal in east-west ion drift at the Harang discontinuity, and (b) the transition from auroral belt, sunward ion drift and polar cap, anti-solar ion drift.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19730002613.
Accession ID: 73N11340.
X-645-72-401.
NASA-TM-X-66083.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15945145