Machine learning for climate physics and simulations

CY Lai, P Hassanzadeh, A Sheshadri… - Annual Review of …, 2024 - annualreviews.org
We discuss the emerging advances and opportunities at the intersection of machine
learning (ML) and climate physics, highlighting the use of ML techniques, including …

Improving nowcasting of convective development by incorporating polarimetric radar variables into a deep‐learning model

X Pan, Y Lu, K Zhao, H Huang… - Geophysical Research …, 2021 - Wiley Online Library
Nowcasting of convective storms is urgently needed yet rather challenging. Current
nowcasting methods are mostly based on radar echo extrapolation, which suffer from the …

Climate-invariant machine learning

T Beucler, P Gentine, J Yuval, A Gupta, L Peng… - Science …, 2024 - science.org
Projecting climate change is a generalization problem: We extrapolate the recent past using
physical models across past, present, and future climates. Current climate models require …

Explainable offline‐online training of neural networks for parameterizations: A 1D gravity Wave‐QBO testbed in the small‐data regime

HA Pahlavan, P Hassanzadeh… - Geophysical Research …, 2024 - Wiley Online Library
There are different strategies for training neural networks (NNs) as subgrid‐scale
parameterizations. Here, we use a 1D model of the quasi‐biennial oscillation (QBO) and …

Machine Learning Gravity Wave Parameterization Generalizes to Capture the QBO and Response to Increased CO2

ZI Espinosa, A Sheshadri, GR Cain… - Geophysical …, 2022 - Wiley Online Library
We present single‐column gravity wave parameterizations (GWPs) that use machine
learning to emulate non‐orographic gravity wave (GW) drag and demonstrate their ability to …

Atmospheric gravity waves: Processes and parameterization

U Achatz, MJ Alexander, E Becker… - Journal of the …, 2024 - journals.ametsoc.org
Atmospheric predictability from subseasonal to seasonal time scales and climate variability
are both influenced critically by gravity waves (GW). The quality of regional and global …

Quantifying 3D gravity wave drag in a library of tropical convection‐permitting simulations for data‐driven parameterizations

YQ Sun, P Hassanzadeh… - Journal of Advances …, 2023 - Wiley Online Library
Atmospheric gravity waves (GWs) span a broad range of length scales. As a result, the un‐
resolved and under‐resolved GWs have to be represented using a sub‐grid scale (SGS) …

Data imbalance, uncertainty quantification, and transfer learning in data‐driven parameterizations: Lessons from the emulation of gravity wave momentum transport in …

YQ Sun, HA Pahlavan, A Chattopadhyay… - Journal of Advances …, 2024 - Wiley Online Library
Neural networks (NNs) are increasingly used for data‐driven subgrid‐scale
parameterizations in weather and climate models. While NNs are powerful tools for learning …

A Deep Learning Model Using Satellite Ocean Color and Hydrodynamic Model to Estimate Chlorophyll-a Concentration

D Jin, E Lee, K Kwon, T Kim - Remote Sensing, 2021 - mdpi.com
In this study, we used convolutional neural networks (CNNs)—which are well-known deep
learning models suitable for image data processing—to estimate the temporal and spatial …

Calibration and uncertainty quantification of a gravity wave parameterization: A case study of the quasi‐biennial oscillation in an intermediate complexity climate …

LA Mansfield, A Sheshadri - Journal of Advances in Modeling …, 2022 - Wiley Online Library
The drag due to breaking atmospheric gravity waves plays a leading order role in driving the
middle atmosphere circulation, but as their horizontal wavelength range from tens to …