AbstractAverage nightly intensities series for the NaD, OI 5577-E, OH(9,4) airglow and the OH(9,4) rotational temperatures from 1977 to 1986 obtained at Cachoeira Paulista, Brazil (23° S, 45° W) have been correlated to solar 10.7 cm flux. Generally there is a positive correlation for all parameters with F10.7 at a high significance level. The series are also divided in the west and est phase of the QBO oscillation in the tropical stratosphere and no significant effect is found. This positive correlation agrees with many previous studies, but the temperature dependence disagrees with recent results obtained between 50°N and 70°N.
Solar cycle and the QBO effect on the mesospheric temperature and nightglow emissions at a low latitude station
Advances in Space Research ; 14 , 9 ; 221-224
1994-01-01
4 pages
Article (Journal)
Electronic Resource
English
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