Figure 7

(a,b) Geopotential height at 850 hPa pressure level for 1850–1899 (solid blue lines), 1950–1999 (solid red lines), their differences (color patch; 1950–1999 minus 1850–1899; Black dots denote significance at the confidence level of 0.1), and wind vector differences (arrows, only significant areas at the confidence level of 0.1 are shown) for the SHC (a) and SIC (b) experiments.