LUCIE - Lightweight Uncoupled Climate Emulator with Long-term Stability and Physical Consistency

Explore a comprehensive conference presentation on LUCIE, a groundbreaking family of lightweight climate emulators designed for long-term stability and physical consistency in Earth system modeling. Discover how LUCIE-2D, trained on just two years of ERA5 data, achieves stable 100-year climate simulations through innovative architectural choices including hard-constrained first-order integrators and spectral regularization techniques. Learn about the framework's ability to reproduce temperature, wind, precipitation, and humidity patterns while enabling rapid estimation of extreme weather statistics and return periods with minimal computational cost. Examine the advanced LUCIE-3D extension that captures atmospheric vertical structure and responds to external forcings like CO2, incorporating 30 years of ERA5 data across eight sigma levels to simulate climate change signals including surface warming and stratospheric cooling. Understand how this three-dimensional model credibly reproduces complex dynamical phenomena such as equatorial Kelvin waves, the Madden-Julian Oscillation, and annular modes while maintaining computational accessibility. Gain insights into the practical applications of these emulators for large-ensemble studies, uncertainty quantification, ablation experiments, and long-horizon climate projections relevant to both paleoclimate analysis and future climate scenarios, all while maintaining the transparency and efficiency needed for rapid scientific experimentation.