Neutral winds in the polar thermosphere as measured from dynamics explorer

T. L. Killeen, P. B. Hays, N. W. Spencer, L. E. Wharton

Research output: Contribution to journalArticlepeer-review

Abstract

Remote sensing measurements of the meridional thermospheric neutral wind using the Fabry-Perot Interferometer on Dynamics Explorer have been combined with in-situ measurements of the zonal component using the Wind and Temperature Spectrometer on the same spacecraft. The two data sets with appropriate spatial phasing and averaging determine the vector wind along the track of the polar orbiting spacecraft. A study of fifty-eight passes over the Southern (sunlit) pole has enabled the average Universal Time dependence of the wind field to be determined for essentially a single solar local time cut. The results show the presence of a "back-ground" wind field driven by solar EUV heating upon which is superposed a circulating wind field driven by high latitude momentum and energy sources.

Original languageEnglish (US)
Pages (from-to)133-136
Number of pages4
JournalAdvances in Space Research
Volume2
Issue number10
DOIs
StatePublished - 1982
Externally publishedYes

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences(all)

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