%0 Journal Article %J Journal of Geophysical Research %D 2011 %T Submarine melting of the 1985 Jakobshavn Isbræ floating tongue and the triggering of the current retreat %A Roman J. Motyka %A Martin Truffer %A Mark Fahnestock %A Mortensen, J. %A Rysgaard, S. %A I M Howat %B Journal of Geophysical Research %V 116 %P F01007 %G eng %R 10.1029/2009JF001632