Extended Data Figure 4: Observed trend pattern of annual mean field for 1979–2012.
From: Tropical forcing of the recent rapid Arctic warming in northeastern Canada and Greenland
Linear trend (per decade) of annual mean a, 500-hPa geopotential height (Z500), and b, sea level pressure (SLP) of ERA-interim for the period 1979–2012. Solid (dashed) contours indicate positive (negative) trends.
