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- The rotational velocity of the thermosphere in excess of the earth's rotational velocity is investigated. It is shown that there exists in the thermosphere a small diurnal mean driving force in the eastward direction, a phenomenon which is considered to be relative to the 10% to 20% thermospheric superrotation. A critical review of this observation and a theoretical analysis of the force are presented which take into account both equinox and solstice conditions. It is concluded that the discrepancy between observations of the superrotation made so far and accompanying explanations can be resolved, as applied to the area of the lower height region, where the great majority of observations were made.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 19730011711.
Accession ID: 73N20438.
- No Copyright.
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