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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 5
Clim. Past, 13, 545–557, 2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Clim. Past, 13, 545–557, 2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 31 May 2017

Research article | 31 May 2017

Assimilation of pseudo-tree-ring-width observations into an atmospheric general circulation model

Walter Acevedo et al.

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Cited articles

Acevedo, W., Reich, S., and Cubasch, U.: Towards the assimilation of tree-ring-width records using ensemble Kalman filtering techniques, Clim. Dynam., 46, 1909–1920,, 2015.
Amezcua, J., Ide, K., Kalnay, E., and Reich, S.: Ensemble transform Kalman-Bucy filters, Q. J.Roy. Meteor. Soc., 140, 995–1004,, 2014.
Annan, J. D. and Hargreaves, J. C.: Identification of climatic state with limited proxy data, Clim. Past, 8, 1141–1151,, 2012.
Barkmeijer, J., Iversen, T., and Palmer, T. N.: Forcing singular vectors and other sensitive model structures, Q. J. Roy. Meteor. Soc., 129, 2401–2423,, 2003.
Bhend, J., Franke, J., Folini, D., Wild, M., and Brönnimann, S.: An ensemble-based approach to climate reconstructions, Clim. Past, 8, 963–976,, 2012.
Publications Copernicus
Short summary
The purpose of this study is to contribute to the present knowledge of paleo data assimilation techniques by addressing the following two questions: (i) Does the off-line regime naturally appear for the assimilation of tree-ring-width records into an AGCM? (ii) Is the fuzzy logic (FL)-based extension of a forward model still useful to improve the performance of a time-averaged ensemble Kalman filter technique when a climate model is used?
The purpose of this study is to contribute to the present knowledge of paleo data assimilation...