Research ArticleCLIMATOLOGY

Glacier maxima in Baffin Bay during the Medieval Warm Period coeval with Norse settlement

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Science Advances  04 Dec 2015:
Vol. 1, no. 11, e1500806
DOI: 10.1126/sciadv.1500806

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  • Is the studied glacier really representative for the entire region?

    I have read the paper with interest. While the local glacier advance during the Medieval Cimate Anomaly (MCA) is noteworthy, most other studies in the region actually demonstrate clear MCA warming and Little Ice Age cooling. The extrapolation from the one data point to entire Greenland and East Canada may therefore not be justified. In addition, the documented glacier advance may also just be a result of an increase in snow fall. Can this be excluded? This study clearly lacks a thorough integration of the existing regional literature. I have discussed the results of Young et al. in the context of other studies here:

    I would be very interested in a reply from the authors where they respond to the points raised, especially as the results have been widely reported on in the press.

    Sebastian Luening

    Competing Interests: None declared.

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