Figure 7From: Response of the mesosphere-thermosphere-ionosphere system to global change - CAWSES-II contribution Trends in ion temperature as measured by the incoherent scatter radar. Trends in ion temperature as measured by the incoherent scatter radar at Millstone Hill, noontime, 1968 to 2006, heights 100 to 550 km (Zhang et al. [2011]).Back to article page