Physics-informed machine learning: case studies for weather and climate modelling

K Kashinath, M Mustafa, A Albert… - … of the Royal …, 2021 - royalsocietypublishing.org
Machine learning (ML) provides novel and powerful ways of accurately and efficiently
recognizing complex patterns, emulating nonlinear dynamics, and predicting the spatio …

A posteriori learning for quasi‐geostrophic turbulence parametrization

H Frezat, J Le Sommer, R Fablet… - Journal of Advances …, 2022 - Wiley Online Library
The use of machine learning to build subgrid parametrizations for climate models is
receiving growing attention. State‐of‐the‐art strategies address the problem as a supervised …

Towards process‐level representation of model uncertainties: stochastically perturbed parametrizations in the ECMWF ensemble

P Ollinaho, SJ Lock, M Leutbecher… - Quarterly Journal of …, 2017 - Wiley Online Library
Ensemble forecasts depend on representations of model uncertainties. Here, we introduce a
model uncertainty representation where a novel approach is taken to the established …

Parametric sensitivity and uncertainty quantification in the version 1 of E3SM atmosphere model based on short perturbed parameter ensemble simulations

Y Qian, H Wan, B Yang, JC Golaz… - Journal of …, 2018 - Wiley Online Library
The atmospheric component of Energy Exascale Earth System Model version 1 has
included many new features in the physics parameterizations compared to its predecessors …

Stochastic and perturbed parameter representations of model uncertainty in convection parameterization

HM Christensen, IM Moroz… - Journal of the …, 2015 - journals.ametsoc.org
It is now acknowledged that representing model uncertainty in atmospheric simulators is
essential for the production of reliable probabilistic forecasts, and a number of different …

Constraining stochastic parametrisation schemes using high‐resolution simulations

HM Christensen - … Journal of the Royal Meteorological Society, 2020 - Wiley Online Library
Stochastic parametrisations can be used in weather and climate models to improve the
representation of unpredictable unresolved processes. When compared with a deterministic …

[HTML][HTML] Physical characteristics of frozen hydrometeors inferred with parameter estimation

AJ Geer - Atmospheric Measurement Techniques, 2021 - amt.copernicus.org
Frozen hydrometeors are found in a huge range of shapes and sizes, with variability on
much smaller scales than those of typical model grid boxes or satellite fields of view. Neither …

Assimilation of hyperspectral infrared atmospheric sounder data of FengYun-3E satellite and assessment of its impact on analyses and forecasts

R Liu, Q Lu, C Wu, Z Ni, F Wang - Remote Sensing, 2024 - mdpi.com
HIRAS-II is the hyperspectral detector carried on FengYun-3E which is the world's first
meteorological satellite in dawn–dusk orbit. It fills the observation gaps during the dawn and …

Region and cloud regime dependence of parametric sensitivity in E3SM atmosphere model

Y Qian, Z Guo, VE Larson, LR Leung, W Lin, PL Ma… - Climate Dynamics, 2024 - Springer
Abstract The Department of Energy (DOE)'s Energy Exascale Earth System Model (E3SM),
including its atmosphere model (EAM), has many relatively new features. In a previous study …

Model uncertainty representation in a convection-permitting ensemble—SPP and SPPT in HarmonEPS

IL Frogner, U Andrae, P Ollinaho, A Hally… - Monthly Weather …, 2022 - journals.ametsoc.org
The stochastically perturbed parameterizations scheme (SPP) is here implemented and
tested in HarmonEPS—the convection-permitting limited area ensemble prediction system …