Supplement to: Opel, Thomas; Fritzsche, Diedrich; Meyer, Hanno; Schütt, Rainer; Weiler, Karin; Ruth, Urs; Wilhelms, Frank; Fischer, Hubertus (2009): 115 year ice-core data from Akademii Nauk ice cap, Severnaya Zemlya: high-resolution record of Eurasian Arctic climate change. Journal of Glaciology, 55(189), 21-31, https://doi.org/10.3189/002214309788609029