Abstract
EVIDENCE indicates that the mesosphere and lower thermosphere may be perturbed when stratospheric temperatures increase rapidly in winter. Much of this evidence is indirect, due to limitations inherent in existing techniques of observation, and typically comprises measurements of ionospheric conditions, such as absorption in the lower ionosphere or heights of isoelectronic surfaces up to the E-region. Changes in these conditions are found to be significantly correlated with increases in stratospheric temperatures in winter at latitudes above ∼40°.
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GREGORY, J., MANSON, A., STEPHENSON, D. et al. Mesospheric and lower thermospheric wind changes over Canada during the January 1975 stratospheric warming. Nature 258, 62–64 (1975). https://doi.org/10.1038/258062a0
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DOI: https://doi.org/10.1038/258062a0
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