Fig. 10From: A statistical study of convective and dynamic instabilities in the polar upper mesosphere above TromsøAltitude profiles of averaged potential energy of GWs, Brunt–Väisälä frequency and period, and number of days used. Altitude profiles of a averaged potential energy of GWs together with a profile with no dissipation occurring (blue curve), b Brunt–Väisälä frequency, c Brunt–Väisälä period, and d number of days used. Horizontal bars in a and b denote a standard deviationBack to article page