Articles | Volume 11, issue 3
Research article
30 May 2017
Research article |  | 30 May 2017

Iceberg calving of Thwaites Glacier, West Antarctica: full-Stokes modeling combined with linear elastic fracture mechanics

Hongju Yu, Eric Rignot, Mathieu Morlighem, and Helene Seroussi

Data sets

Continental scale, high order, high spatial resolution, ice sheet modeling using the Ice Sheet SystemModel (ISSM) E. Larour, H. Seroussi, M. Morlighem, and E. Rignot

Short summary
We combine 2-D ice flow model with linear elastic fracture mechanics (LEFM) to model the calving behavior of Thwaites Glacier, West Antarctica. We find the combination of full-Stokes (FS) model and LEFM produces crevasses that are consistent with observations. We also find that calving is enhanced with pre-existing surface crevasses, shorter ice shelves or undercut at the ice shelf front. We conclude that the FS/LEFM combination is capable of constraining crevasse formation and iceberg calving.