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New Article from the 2019 Ryder expedition to North Greenland

Using marine sediment cores collected during the 2019 Ryder expedition to Northern Greenland on icebreaker Oden, the Holocene retreat and advance behavior of Ryder Glacier is reconstructed. This new research shows that while Sherard Osborn Fjord has a physiography conducive to glacier and ice tongue stability, Ryder Glacier still retreated more than 40 km inland from its current position by the Middle Holocene – highlighting the sensitivity of north Greenland's marine glaciers to climate change.

O'Regan, M., Cronin, T.M., Reilly, B., Alstrup, A.K. O., Gemery, L., Golub, A., Mayer, L.A., Morlighem, M., Moros, M., Munk, O.L., Nilsson, J., Pearce, C., Detlef, H., Stranne, C., Vermassen, F., West, G., and Jakobsson, M., 2021. The Holocene dynamics of Ryder Glacier and ice tongue in north Greenland. The Cryosphere: 15, 4073–4097.

https://doi.org/10.5194/tc-15-4073-2021.

Map with satellite view of north greenland and ellesmera island
Satellite view of north Greenland and Ellesmere Island from 30 July 2019. Velocities of outlet glaciers are from Sentinel-1, winter campaign 2019/2020, version 1.3 (Nagler et al., 2015). Robeson Channel (RC), Hall Basin (HB), Kennedy Channel (KC), and Kane Basin (KB).