Computational Aspects of Ice-Sheet Modeling

Modeling the dynamics of Greenland and Antarctic ice sheets is critical for computing projections of sea-level rise. In this talk, I will provide a partial overview of ice-sheet modeling and highlight some of the related computational challenges. I will also present the work we performed over the years as part of the DOE's efforts on earth system modeling. Specifically, I will discuss our efforts to enhance the performance and portability of the ice-sheet code, MALI. Additionally, I will describe our PDE-constrained optimization approach to estimate the initial thermo-mechanical state of the ice sheets. Finally, I will touch on our recent work to reduce the computational cost of uncertainty quantification, including the development of neural network surrogates for replacing expensive parts of the model.

Tuesday, March 21, 2023 - 10:00 to 11:00

Benedum 1045

Speaker Information
Mauro Perego
Sandia National Laboratories

Research Area