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Keyword: quasi-geostrophic model ×Clear all

1 claim from 1 paper

1. Earth and Planetary Sciences › Meteorological Phenomena and Simulations

   Online Model Error Correction With Neural Networks in the Incremental 4D‐Var Framework

   Farchi, Chrust, Bocquet, Laloyaux and Bonavita · Journal of Advances in Modeling Earth Systems · 2023

   The authors built a simplified online method, in incremental 4D-Var, for training a neural network to correct model errors, implemented in ECMWF's OOPS and tested on a two-layer quasi-geostrophic model.

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   1. UncheckedIn tests with a simple two-layer atmospheric model, learning the model's error correction online was effective and more accurate than learning it offline.“The results confirm that online learning is effective and yields a more accurate model error correction than offline learning.”