Extended Data Figure 2: Observed trend pattern of seasonal mean surface temperature for 1979–2012.
From: Tropical forcing of the recent rapid Arctic warming in northeastern Canada and Greenland
Linear trend (per decade) of seasonal mean ERA-interim surface temperature for a, December to February (DJF), b, March to May (MAM), c, June to August (JJA) and d, September to November (SON) for the period 1979–2012.
