THERMOSPHERIC CIRCULATION, TEMPERATURE, AND COMPOSITIONAL STRUCTURE OF THE SOUTHERN HEMISPHERE POLAR CAP DURING OCTOBER-NOVEMBER 1981.

R. G. Roble, B. A. Emery, R. E. Dickinson, E. C. Ridley, T. L. Killeen, P. B. Hays, G. R. Carignan, N. W. Spencer

Research output: Contribution to journalArticlepeer-review

Abstract

Thermospheric temperature, composition, and winds at F region heights over the southern hemisphere polar cap have been measured by the Dynamics Explorer 2 (DE 2) satellite during October-November 1981. Perigee of the DE 2 satellite during this period was over the southern hemisphere polar cap, and measurements made along 0900-2100 local time polar passes are used to determine the average universal time dependence of thermospheric properties for this local time slice. The F region wind vector is derived from the meridional wind component measured by the Fabry-Perot interferometer (FPI) and the zonal wind component measured by the wind and temperature spectrometer (WATS) instruments on board DE 2. The neutral gas temperature is derived from FPI and WATS measurements, and the compositional structure is determined from the neutral atmosphere composition spectrometer instrument.

Original languageEnglish (US)
Pages (from-to)9057-9068
Number of pages12
JournalJournal of Geophysical Research
Volume89
Issue numberA10
DOIs
StatePublished - Jan 1 1984
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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