Building Tangent‐Linear and Adjoint Models for Data Assimilation With Neural Networks

Abstract We assess the ability of neural network emulators of physical parametrization schemes in numerical weather prediction models to aid in the construction of linearized models required by four‐dimensional variational (4D‐Var) data assimilation. Neural networks can be differentiated trivially,...

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Prif Awduron:	Sam Hatfield, Matthew Chantry, Peter Dueben, Philippe Lopez, Alan Geer, Tim Palmer
Fformat:	Artigo
Iaith:	Inglês
Cyhoeddwyd:	American Geophysical Union (AGU) 2021-09-01
Cyfres:	Journal of Advances in Modeling Earth Systems
Pynciau:	neural network data assimilation tangent‐linear adjoint
Mynediad Ar-lein:	https://doi.org/10.1029/2021MS002521
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