Journal cover Journal topic
Climate of the Past An interactive open-access journal of the European Geosciences Union
Clim. Past, 13, 421-436, 2017
https://doi.org/10.5194/cp-13-421-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
08 May 2017
Reconstructing paleoclimate fields using online data assimilation with a linear inverse model
Walter A. Perkins and Gregory J. Hakim

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Short summary
We examine the skill of a novel data assimilation approach to paleoclimate reconstruction that uses linear climate model forecasts. Many reconstruction studies forego the use of forecasts from climate models due to their high computational expense and relatively low skill. We show that the use of simpler linear models can improve reconstruction skill for both global mean temperature and spatial fields. Improvements displayed seem to be related to dynamical constraints from the forecasts.
We examine the skill of a novel data assimilation approach to paleoclimate reconstruction that...
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