The fully automatic adaptive isotropic surface remeshing tool YAMS developed by Pascal Frey (http://www.ann.jussieu.fr/frey/software.html) is used to build unstructured mesh in the horizontal plane with element size controlled by some metrics (Hessian of the observed horizontal velocity, distance to the grounding line, …).
More information regarding the use of YAMS within Elmer/Ice will be presenter later on this page.