AbstractThe effects of solar activity on the middle atmosphere are controversial since no clear physical mechanism exists to explain the interactions. Further, it is extremely difficult to isolate any solar-induced variability, since the dominant influence on the middle atmosphere appears to be tropospheric forcing. Experiments with two types of numerical model used to examine the atmospheric response to changes in solar forcing are reviewed here. Firstly, mechanistic-model simultations of the solar-induced 27- and 13-day oscillations show that weak perturbations generated in the upper stratosphere can lead to detectable oscillations in the lower atmosphere. Secondly, a general circulation model shows that the modulation of the middle atmosphere dynamics by solar actity and the equatorial quasi-biennial oscillation is feasible. There are limitations to the studies.
Modelling the effects of solar variability on the middle atmosphere: A review
Advances in Space Research ; 14 , 9 ; 211-220
01.01.1994
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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