Fig. 11

Long-term trend in meridional wind Meridional wind near 90 km, Collm, Central Europe, 1979–2016. Reproduced from Lastovicka, J., Beig, G., DeLand, M., Jacobi, C., Keckhut, P., Mlynczak, M., Qian, L. (2017), Progress reached by ROSMIC WG3 "Trends in Mesosphere and Lower Thermosphere". VarSITI Newsletter, 15, 6-9