Simultaneous optical observations of long-period gravity waves during AIDA '89

Details Simultaneous optical observations of long-period gravity waves during AIDA '89 Simultaneous optical observations of long-period gravity waves during AIDA '89

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jatp...55..325w&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 55, no. 3, p. 325-340.

Physics

14

Airglow, Atmospheric Stratification, Gravity Waves, Internal Waves, Oxygen Afterglow, Visual Observation, Oxygen Spectra, Rotational Spectra, Wave Propagation, Waveforms, Wind Measurement

Scientific paper

Ground-based optical instrumentation supported the AIDA 1989 wind measurement comparisons by describing the gravity waves affecting the 80-100 km altitude region during clear dark hours over Puerto Rico. This study tabulates the characteristics of gravity waves with fractional column emission rate amplitudes up to 30 percent and with periods greater than 45 min as seen in the O2 airglow layer by MORTI, a sensor of O2 rotational temperature and column emission rate in twelve look directions. Data from seven other sensors operating at Guanica and the Arecibo Observatory are then compared with the MORTI data. The nights of 5/6 April and 4/5 May 1989 were selected for multi-sensor comparisons. The comparisons showed substantial agreement between the MORTI characterizations and the observations by others.

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