Testing a particle filter to reconstruct climate changes over the past centuries

Dubinkina, Svetlana;Goosse, Hugues;Sallaz-Damaz, Yoann;Crespin, Elisabeth;Crucifix, Michel
(2011) International Journal of Bifurcation and Chaos in Applied Sciences and Engineering — Vol. 21, n° 12, p. 3611-3618 (2011)

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Authors
  • Dubinkina, SvetlanaUCLouvain
    Author
  • Goosse, Huguesorcid-logoUCLouvain
    Author
  • Sallaz-Damaz, YoannUCLouvain
    Author
  • Crespin, ElisabethUCLouvain
    Author
  • Crucifix, Michelorcid-logoUCLouvain
    Author
Abstract
We implement a data-assimilation method based on a particle filter in the coupled climate model LEVECLIM focusing on decadal to centennial time scales. Several tests are performed with particle filtering using pseudo-observations obtained from a twin experiment with the model, as well as using real-data observations over the last century. These tests demonstrate that it is possible to obtain a model output well correlated with the observations at the large scale at a reasonable cost
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Dubinkina, S., Goosse, H., Sallaz-Damaz, Y., Crespin, E., & Crucifix, M. (2011). Testing a particle filter to reconstruct climate changes over the past centuries. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 21(12), 3611-3618. https://doi.org/10.1142/S0218127411030763 (Original work published 2011)