The GISP2 K+ (Mayewski et al., 1997), NGRIP δ18O (Svensson et al., 2008), NAO index (Olsen et al., 2012) records and pollen percentages of the composite core MO-05 from Lake Mondsee (this study) for the period 1500 BCE to 500 CE re-sampled to 20-year resolution.This dataset has been carefully reviewed and curated in accordance with PANGAEA's exceptionally high-quality standards. However, due to discontinued communication from the authors' side, it did not receive the usual formal approval by the authors and therefore lacks final scientific validation