Laki Volcano, Iceland

(Photo Credit)

Figure 1 (from D’Arrigo et al., 2011). (a) Normalized DJFM NAO reconstruction. (b) Normalized NAO Niño3 SST reconstruction. (c) Paleo‐Niño‐NAO index based on differencing normalized Niño‐3‐NAO SST. 2010 and 1784 values 1st and 2nd highest over the past six centuries (Table S1).