Articles | Volume 36, issue 2
Regular paper
29 Mar 2018
Regular paper |  | 29 Mar 2018

The effect of subauroral polarization streams on the mid-latitude thermospheric disturbance neutral winds: a universal time effect

Hui Wang, Kedeng Zhang, Zhichao Zheng, and Aaron James Ridley

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For subauroral polarization streams (SAPS) commencing at different universal times (UT), the strongest westward neutral winds exhibit large variations in amplitudes. The effect of a sine-wave oscillation of SAPS on the neutral wind also exhibits UT variations in association with the solar illumination. The reduction in the electron density and enhancement in the air mass density are strongest when the maximum solar illumination collocates with the SAPS.