Parallel processing for finite-difference modelling of ice sheets

Improved modelling of ice sheets, by use of high resolution and with repres entation of inert physical processes, is constrained by long run-times even on the latest single-processor workstation. Parallel processing therefore has a role to play. This paper describes techniques for the parallel proces sing of ice sheet models and presents design approaches for both the Gray T 3 series and other parallel architectures. An implementation of a fully cou pled, thermodynamic, 3D ice sheet model is described for the Gray T3D and i s shown to be scaleable and efficient. (C) 2001 Elsevier Science Ltd. All r ights reserved.