Temporal Trends and Spatial Patterns of Temperature and Its Extremes over the Beijing-Tianjin Sand Source Region (1960–2014), China
Box-Plot of Slopes for extreme temperature indices across the five subregions in different stages. (a) TN10p, (b) TX10p, (c) CSDI, (d) TNn, (e) TN90p, (f) TX90p, (g) WSDI, (h) TXx, (i) DTR, and (j) GSL. S1 is 1960–1978, S2 is 1979–2000, S3 is 2000–2014, S is 1960–2014. is 0.001 level of significance, is 0.01 level of significance, and is 0.05 level of significance.