Figure 3

Comparison of guano δ15N with other hydroclimate proxy records between AD 1650 and 2012: (a) Winter (DJF) NAO index56; DJF precipitation data series from ECE12 (b), Marseille45 (c), Budapest45 (d), and Baia Mare45 (e), δ13C of Sphagnum from Tăul Muced46 (f), δ15N values of guano from Zidită Cave26 (g), and Măgurici Cave (h; this study). The black smoothed lines in a–e represent the 3-year running mean.