Comparison of lower thermospheric winds measured by a polarizing Michelson interferometer and a Fabry-Perot spectrometer during the AIDA campaign

Details Comparison of lower thermospheric winds measured by a polarizing Michelson interferometer and a Fabry-Perot spectrometer during the AIDA campaign Comparison of lower thermospheric winds measured by a polarizing Michelson interferometer and a Fabry-Perot spectrometer during the AIDA campaign

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jatp...55..313b&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 55, no. 3, p. 313-324.

Physics

8

Aeronomy, Fabry-Perot Interferometers, Instrument Errors, Michelson Interferometers, Thermosphere, Wind Measurement, Wind Velocity, Airglow, Atmospheric Ionization, Data Reduction, Wind Profiles

Scientific paper

The Polarizing Atmospheric Michelson Interferometer, PAMI, a new version of the Wide Angle Michelson Interferometer, was used to measure winds in the lower thermosphere during the AIDA campaign. Results of measurement of the 557.7 nm emission were obtained from the AIDA observation campaign in Puerto Rico. Coordinated observations of atmospheric motions were made by PAMI along with other optical and radio measurements during April and May 1989. By comparing with the Arecibo Fabry-Perot instrument, the first wind comparisons of a Fabry-Perot spectrometer and a Michelson interferometer (MI) are presented. The agreement is very good in most cases, but there are times when there is a constant wind offset for several hours. It is concluded that the constant offset results from the 50 km difference in the locations of the two stations.

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