Articles | Volume 26, issue 3
https://doi.org/10.5194/npg-26-143-2019
https://doi.org/10.5194/npg-26-143-2019
Research article
 | 
10 Jul 2019
Research article |  | 10 Jul 2019

Data assimilation as a learning tool to infer ordinary differential equation representations of dynamical models

Marc Bocquet, Julien Brajard, Alberto Carrassi, and Laurent Bertino

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Short summary
This paper describes an innovative way to use data assimilation to infer the dynamics of a physical system from its observation only. The method can operate with noisy and partial observation of the physical system. It acts as a deep learning technique specialised to dynamical models without the need for machine learning tools. The method is successfully tested on chaotic dynamical systems: the Lorenz-63, Lorenz-96, and Kuramoto–Sivashinski models and a two-scale Lorenz model.
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