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Measurements of the E region neutral wind field (1985)

Murphree, J. S. ; Meriwether, J. W., Jr. ; Tepley, C. A. ; [et al.]

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Publication Date: 2011-08-19

Description: The neutral E-region wind field was measured at Calgary, Canada (51 N, 114 N) during 75 nights in 1982. Observations of the Doppler shift of the 5577-A emission line of atomic oxygen using a Fabry-Perot interferometer were converted to horizontal wind vectors. From the analysis of the data, four categories of wind characteristics were identified. In order of increasing magnetic activity these categories are: (1) wind field mostly variable in space and time; (2) predominantly equatorward flow throughout the night, (3) predominantly poleward flow throughout the night and (4) north-westward flow before midnight and southward after midnight. The wind magnitude was also variable and on some disturbed days exceeded 200 m/s.

Keywords: GEOPHYSICS

Type: Planetary and Space Science (ISSN 0032-0633); 33; 373-379

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