Fig. 4: Observed and simulated changes in atmospheric temperature and zonal wind.
From: Simulated Antarctic sea ice expansion reconciles climate model with observation
a, c, e, g Linear trends of zonal and annual mean atmospheric temperature over 1979–2014 (color shading in K/decade) from (a) ERA5 reanalysis, (c) HIST_ASI+ and (e) HIST_ASI- ensemble means as well as (g) the difference between the two (HIST_ASI+ minus HIST_ASI-). Contours (in K) in (a, c, e) denote their annual mean climatology patterns during this period. Contours (in K) in (g) denote of HIST_ASI- annual mean climatology. The stipples refer to the regions where trends are statistically significant based on Student’s t-test at 95% confidence level. b, d, f, h Same as (a, c, e, g) but for linear trends of zonal and annual mean zonal winds (shading in m/s/decade) and annual mean climatology of zonal winds (contour in m/s).
