ML4WX

Post-processing & calibration

Reducing Southern Ocean Shortwave Radiation Errors in the ERA5 Reanalysis with Machine Learning and 25 Years of Surface Observations

Marc D. Mallet, Simon Peter Alexander, Alain Protat, Sonya Louise Fiddes

Artificial Intelligence for the Earth Systems · · Bureau of Meteorology (Australia)

PaperPDF

In one sentence. XGBoost and random forest models trained on 25 years of Southern Ocean surface observations cut ERA5 shortwave mean bias to near zero and reduce RMSE by about 25%.

Labels

Topic
Post-processing & calibration, Explainability, uncertainty & physics
Type
New model or method
Method
Classical ML (trees, GP, linear, kernels)
Domain
Regional
Data
ERA5 / reanalysis, Station / in-situ
Status
Research
Identifiers
DOI:10.1175/aies-d-22-0044.1 OpenAlex:W4319963651
Added
2026-10-22

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