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 regional average temperature over the five subregions in different stages. (a) Annual, (b) spring, (c) summer, (d) autumn, (e) winter, and (f) growing season. S1 is 1960–1978, S2 is 1979–2000, S3 is 2000–2014, and S is 1960–2014. I is the southwest subregion (SR-I), II is the northwest subregion (SR-II), III is the south-central subregion (SR-III), IV is the east-central subregion (SR-IV), and V is the northeast subregion (SR-V). is 0.001 level of significance, is 0.01 level of significance, and is 0.05 level of significance.