ICESEE

ICESEE (ICE ShEet state and parameter Estimator) is a data assimilation software framework designed for coupling with ice sheet models such as ISSM, Icepack, and idealized models like Lorenz-96. It provides a modular, extensible platform for applying ensemble-based data assimilation techniques in glaciological modeling and beyond.

What is ICESEE?

ICESEE simplifies the implementation of advanced data assimilation workflows—such as the Ensemble Kalman Filter (EnKF) and its variants—across a range of geophysical models. It is designed with:

A modular Python interface
Seamless integration with external model codes (MATLAB, Firedrake, ISSM, etc.)
Support for high-performance computing and containerized workflows
Scalability for future integration with cloud platforms like AWS and portals like GHUB

Getting Started

To get started with ICESEE:

For Cluster installation and runs, see ICESEE-Spack and for cloud runs, see ICESEE-GHUB

Supported Models

icepack: PDE-based modeling with Firedrake
issm: Finite-element ice sheet modeling (via MATLAB interface)
lorenz96: Idealized nonlinear DA benchmarking
flowline_model: Simple ice flow simulation

Documentation

Explore the Wiki to find:

Configuration and setup tips
How to implement new models
How to extend or modify filters
Debugging common issues

Future Plans

Integration with AWS for scalable cloud computing.
Incorporation into the GHUB online ice sheet platform with enhanced features.

For questions or contributions, please open an issue or pull request on the GitHub repository or contact me at bkyanjo3@gatech.edu

ICESEE is distributed as free and open-source software under a BSD-style license (see LICENSE). All external dependencies, including ISSM, Icepack, and other coupled models, are governed by their own licenses, which are independent of and do not impose restrictions on the ICESEE license.

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