Fig. 1From: On the variability of the quarter-diurnal tide in the MLT over Brazilian low-latitude stationsTypical residual winds at 90 km on removing the diurnal and semidiurnal components show prominent 6-h wave at a CA in the meridional wind on 111 DY, b CP in the zonal wind on 143 DY and c SM in the meridional wind on 31 DYBack to article page