Figure 4: Geographical variations to the planetary boundary layer effect. | Nature Communications

Figure 4: Geographical variations to the planetary boundary layer effect.

From: Differences in the efficacy of climate forcings explained by variations in atmospheric boundary layer depth

Figure 4

The inter-annual trend in the virtual potential temperature at a height of 2 m above the ground as a function of the climatological monthly mean planetary boundary layer depth is shown for nine different regions: (a) Africa, (b) Antarctica, (c) Europe, (d) North America, (e) South America, (f) South Asia, (g) North Asia, (h) Sea-ice and (i) Ocean, as illustrated on the (j) map of the Earth. The thick red line indicates the bin-mean and the shaded area shows the region of 1 s.d. The correlation between the magnitude of the temperature trends and the inverse boundary layer depth is given for each region.

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