Enhancing Regional Climate Downscaling through Advances in Machine Learning

N Rampal, S Hobeichi, PB Gibson… - … Intelligence for the …, 2024 - journals.ametsoc.org
Despite the sophistication of global climate models (GCMs), their coarse spatial resolution
limits their ability to resolve important aspects of climate variability and change at the local …

Generative learning of the solution of parametric partial differential equations using guided diffusion models and virtual observations

H Gao, S Kaltenbach, P Koumoutsakos - Computer Methods in Applied …, 2025 - Elsevier
We introduce a generative learning framework to model high-dimensional parametric
systems using gradient guidance and virtual observations. We consider systems described …

Conditional neural field latent diffusion model for generating spatiotemporal turbulence

P Du, MH Parikh, X Fan, XY Liu, JX Wang - Nature Communications, 2024 - nature.com
Eddy-resolving turbulence simulations are essential for understanding and controlling
complex unsteady fluid dynamics, with significant implications for engineering and scientific …

Bayesian conditional diffusion models for versatile spatiotemporal turbulence generation

H Gao, X Han, X Fan, L Sun, LP Liu, L Duan… - Computer Methods in …, 2024 - Elsevier
Turbulent flows, characterized by their chaotic and stochastic nature, have historically
presented formidable challenges to predictive computational modeling. Traditional eddy …

Towards diffusion models for large-scale sea-ice modelling

TS Finn, C Durand, A Farchi, M Bocquet… - arXiv preprint arXiv …, 2024 - arxiv.org
We make the first steps towards diffusion models for unconditional generation of multivariate
and Arctic-wide sea-ice states. While targeting to reduce the computational costs by diffusion …

Unpaired downscaling of fluid flows with diffusion bridges

T Bischoff, K Deck - Artificial Intelligence for the Earth Systems, 2024 - journals.ametsoc.org
We present a method to downscale idealized geophysical fluid simulations using generative
models based on diffusion maps. By analyzing the Fourier spectra of fields drawn from …

Generative diffusion for regional surrogate models from sea‐ice simulations

TS Finn, C Durand, A Farchi, M Bocquet… - Journal of Advances …, 2024 - Wiley Online Library
We introduce deep generative diffusion for multivariate and regional surrogate modeling
learned from sea‐ice simulations. Given initial conditions and atmospheric forcings, the …

A probabilistic framework for learning non-intrusive corrections to long-time climate simulations from short-time training data

BB Sorensen, L Zepeda-Núñez, I Lopez-Gomez… - arXiv preprint arXiv …, 2024 - arxiv.org
Chaotic systems, such as turbulent flows, are ubiquitous in science and engineering.
However, their study remains a challenge due to the large range scales, and the strong …

Probabilistic Emulation of a Global Climate Model with Spherical DYffusion

SR Cachay, B Henn, O Watt-Meyer… - arXiv preprint arXiv …, 2024 - arxiv.org
Data-driven deep learning models are on the verge of transforming global weather
forecasting. It is an open question if this success can extend to climate modeling, where long …

Dynamical-generative downscaling of climate model ensembles

I Lopez-Gomez, ZY Wan, L Zepeda-Núñez… - arXiv preprint arXiv …, 2024 - arxiv.org
Regional high-resolution climate projections are crucial for many applications, such as
agriculture, hydrology, and natural hazard risk assessment. Dynamical downscaling, the …