Articles | Volume 33, issue 7
Ann. Geophys., 33, 913–922, 2015
https://doi.org/10.5194/angeo-33-913-2015
Ann. Geophys., 33, 913–922, 2015
https://doi.org/10.5194/angeo-33-913-2015

Regular paper 24 Jul 2015

Regular paper | 24 Jul 2015

Observations of thermosphere and ionosphere changes due to the dissipative 6.5-day wave in the lower thermosphere

Q. Gan et al.

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Short summary
The 6.5-day traveling planetary wave is able to impact the ionosphere/thermosphere via a dissipation mechanism. Ionospheric TEC and thermosphere O/N2 exhibit an apparent decrease as the result of extra meridional circulation induced by 6.5-day wave dissipation. Our work suggests that the modulation of E-dynamo is not the unique pathway through which planetary waves substantially influence the IT system.