Tropical nightglow observations and predictions from ionospheric models

Details Tropical nightglow observations and predictions from ionospheric models Tropical nightglow observations and predictions from ionospheric models

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jatp...45..137c&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 45, Feb.-Mar. 1983, p. 137-148.

Physics

1

F 2 Region, Ionospheric Composition, Magnetic Anomalies, Nightglow, Oxygen Spectra, Tropical Regions, Atmospheric Models, Balloon-Borne Instruments, Geomagnetism, Solar Activity Effects, Spectral Energy Distribution, Spectral Line Width, Spread F

Scientific paper

The tropical nightglow emissions in the vicinity of the Brazilian magnetic anomaly are studied using data collected by two balloons which were flown in February 1973 and 1977. Both observations were conducted during comparable solar and magnetic activities, but the magnetic activity preceeding the flights was larger in 1973 than in 1977. The behavior in the tropical nightglow of the 630 and 557.7 nm lines is determined and compared with predictions based on recent ionospheric models. The possible effects of the magnetic activity on the F-2 layer in the tropics are examined, and it is shown that the current ionospheric models are not in agreement with these observations.

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