Articles | Volume 11, issue 1
Research article
15 Jan 2015
Research article |  | 15 Jan 2015

On-line and off-line data assimilation in palaeoclimatology: a case study

A. Matsikaris, M. Widmann, and J. Jungclaus


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Short summary
We compare an off-line and an on-line ensemble-based data assimilation method, for the climate of the 17th century. Both schemes perform better than the simulations without DA, and similar skill on the continental and hemispheric scales is found. This indicates either a lack of control of the slow components in our setup or a lack of skill in the information propagation on decadal timescales. The temporal consistency of the analysis in the on-line method makes it generally more preferable.