Fig. 4

The Coefficient of variation (Cv) of rainfall(R), temperature (T), and evaporation (E) (annual and seasonal scales) in 1948-2023. (Microsoft office Excel 2003, https://xiazai.zol.com.cn/detail/43/428458.shtml).

The Coefficient of variation (Cv) of rainfall(R), temperature (T), and evaporation (E) (annual and seasonal scales) in 1948-2023. (Microsoft office Excel 2003, https://xiazai.zol.com.cn/detail/43/428458.shtml).