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On Climate Reconstruction using Bivalve Shells: Three Methods to interpret the Chemical Signature of a Shell
Vrije Universiteit Brussel, Belgium.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Vrije Universiteit Brussel, Belgium.
Vrije Universiteit Brussel, Belgium.
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2010 (English)Report (Other academic)
Abstract [en]

The chemical composition of a bivalve shell is strongly coupled to the seasonal variations in the environment. The nonlinear nature of this relation however makes it hard to predict, e.g. the temperature, from the chemical composition of a shell. In this paper we compare the ability of three nonlinear system identification methods to reconstruct the temperature from the chemical composition of a shell. The comparison shows that nonlinear multi-proxy approaches are potential tools for climate reconstructions with a preference for manifold based methods that results in smoother and a more precise temperature reconstruction.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2010.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2942
Keyword [en]
Functional imaging and data modelling, Bioinformatics
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-97554ISRN: LiTH-ISY-R-2942OAI: oai:DiVA.org:liu-97554DiVA: diva2:648404
Available from: 2013-09-16 Created: 2013-09-16 Last updated: 2014-06-17Bibliographically approved

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Ohlsson, Henrik

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