Fig. 3From: Concurrent effects of Martian topography on the thermosphere and ionosphere at high northern latitudesLongitude and latitude variations of hmM2, NmM2, and Hn. a–c present the gridded mean hmM2, NmM2, and Hn, respectively; d–f are standard deviations of the gridded hmM2, NmM2, and Hn, respectively; g–i show the residual hmM2, NmM2, and Hn, respectively, after removing zonal averages; j–l are percentage longitude variations of hmM2, NmM2, and Hn, respectively, with respect to zonal averagesBack to article page