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An empirical resampling method for determining optimal high-pass filters used in correlation-based tree-ring crossdating

Fowler, AM; Bridge, MC; Boswijk, G; (2017) An empirical resampling method for determining optimal high-pass filters used in correlation-based tree-ring crossdating. Dendrochronologia , 44 pp. 84-93. 10.1016/j.dendro.2017.04.003. Green open access

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Abstract

Visual crossdating of tree-ring series focusses on high-frequency variations. Automated correlation-based crossdating tools mimic this by transforming raw ring widths into indices that emphasise the high frequency signal, prior to calculating the goodness-of-fit between series. Here we present a resampling methodology to determine the relative merits of alternative simple high-pass filters and demonstrate it using two tree-ring data sets (British Isles oak, New Zealand kauri). Results indicate that: (a) high-pass filtering is a critical step; (b) the efficacy of alternative filters is variable, and; (c) efficacy appears to be species specific. These results have implications for crossdating in the two contexts investigated, and also for future software developments, especially the desirability of flexible implementations of high-pass filtering.

Type: Article
Title: An empirical resampling method for determining optimal high-pass filters used in correlation-based tree-ring crossdating
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.dendro.2017.04.003
Publisher version: http://doi.org/10.1016/j.dendro.2017.04.003
Language: English
Additional information: Copyright © 2017 Elsevier GmbH. All rights reserved. This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Dendrochronology; Crossdating; Oak; Kauri
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology > Institute of Archaeology Gordon Square
URI: https://discovery.ucl.ac.uk/id/eprint/1555799
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