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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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NPG | Articles | Volume 27, issue 1
Nonlin. Processes Geophys., 27, 51–74, 2020
https://doi.org/10.5194/npg-27-51-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Nonlin. Processes Geophys., 27, 51–74, 2020
https://doi.org/10.5194/npg-27-51-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 19 Feb 2020

Research article | 19 Feb 2020

Application of a local attractor dimension to reduced space strongly coupled data assimilation for chaotic multiscale systems

Courtney Quinn et al.

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Latest update: 11 Aug 2020
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Short summary
This study presents a novel method for reduced-rank data assimilation of multiscale highly nonlinear systems. Time-varying dynamical properties are used to determine the rank and projection of the system onto a reduced subspace. The variable reduced-rank method is shown to succeed over other fixed-rank methods. This work provides implications for performing strongly coupled data assimilation with a limited number of ensemble members on high-dimensional coupled climate models.
This study presents a novel method for reduced-rank data assimilation of multiscale highly...
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