Figure 3From: Response of the mesosphere-thermosphere-ionosphere system to global change - CAWSES-II contribution Time series of December to February. Time series of December to February averages of approximately 90 to 95 km winds at northern higher middle latitudes for Collm, Obninsk, and Saskatoon: (a) zonal prevailing winds, (b) meridional prevailing winds, (c) semidiurnal amplitude, and (d) zonal semidiurnal phase. After Jacobi et al. ([2012]).Back to article page