Extended Data Fig. 5: Turbulence profiles derived from balloon missions.
From: Lenghu on the Tibetan Plateau as an astronomical observing site

The blue, red and grey profiles denote vertical distributions of the refractive index structure constant \({C}_{N}^{2}\) at 23:15Â UT on 12 August 2020 and 11:18Â UT and 23:44Â UT on 16 November 2020, respectively. The dashed line shows the height of the tropopause at 11Â km. The dotted lines denote heights of 6Â km and 9Â km.