Ryder Glacier in northwest Greenland is shielded from warm Atlantic water by a bathymetric sill - Jakobsson, Martin; Mayer, Larry; Nilsson, Johan; Stranne, Christian; Calder, Brian; O’Regan, Matthew; Farrell, J.; Cronin, Thomas; Bruchert, Volker; Chawarski, Julek; Eriksson, Bjorn; Fredriksson, Jonas; et al. (Nature Communications, 2020)