Accession Number:

ADA265407

Title:

Observing and Modelling F-Region Ionospheric Dynamics Using the (OII) 7320A Emission

Descriptive Note:

Doctoral thesis,

Corporate Author:

MICHIGAN UNIV ANN ARBOR

Personal Author(s):

Report Date:

1992-01-01

Pagination or Media Count:

331.0

Abstract:

Limb-scan observations of Doppler line profiles from the OII lambda 7320A emission at F-Region altitudes, made with the Fabry-Perot interferometer FPI on the Dynamics Explorer-2 DE-2 spacecraft, have been analyzed to provide measurements of the meridional component of the ion convection velocity along the instrument line-of-sight. The DE-2 results presented here demonstrate the first spaceborne use of the remote-sensing Doppler techniques for measurements of ionospheric convection. The FPI meridional ion drift measurements have been compared with nearly simultaneous in situ ion drift measurements from the Retarding Potential Analyzer RPA on DE 2. Once allowance is made for the temporal lag between the in situ and remote measurements, the results from the two techniques are found to be in good agreement, within specified experimental errors, giving confidence in the FPI measurements

Subject Categories:

  • Atmospheric Physics
  • Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE