Figure 8

The 20 cm ST division of the Qinghai-Tibet Plateau (7 regions). The points are divided into four categories, from small to large: < 6 °C (cold region), 6–11 °C (subcold region), 11–16 °C (subwarm region), > 16 °C (warm region) (Software: MATLAB 2014, https://ww2.mathworks.cn/products/matlab.html).