Journal
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS
Volume 21, Issue 12, Pages 3611-3618Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218127411030763
Keywords
Palaeoclimatology; multidecadal scale; particle filtering; data assimilation
Funding
- F.R.S.-FNRS
- Belgian Federal Science Policy Office
- Research Program on Science for a Sustainable Development
- EU
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We implement a data-assimilation method based on a particle filter in the coupled climate model LOVECLIM 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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