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Compilation of non-annually resolved Holocene proxy climate records: stacked Holocene peatland palaeo-water table reconstructions from northern Britain

Record type: Article

The number and range of Holocene palaeoclimate reconstructions from various regions of the world have increased dramatically over the last decade. The data density for many regions and proxies now offers the potential of robust regional-scale reconstructions that avoid the problems of records from individual sites, and improve communication between palaeoclimate subdisciplines and climate modellers. However, there are problems with chronological uncertainties and quantification of proxies, which make compilation of multiple records difficult. Here we explore a ‘stacking’ and ‘tuning’ approach to the derivation of regional records from peatland climate proxies to test its applicability to non-annually resolved terrestrial records. Twelve individual records from northern Britain based on water table reconstructions from testate amoebae analysis were divided into four regions. Records were detrended, normalised and compared within regions to identify clear correlative events. The original chronologies of the records were tuned using both these events and independent age markers. The stacked record for northern Britain indicates pronounced changes to wet conditions at 3600, 2760 and 1600 cal yr BP with more minor changes at 3060, 2050, 1260, 860, 550 and 260 cal yr BP. The main wet phases are highly correlated with mid-European lake highstands, wider North Atlantic climate change inferred from ocean and ice core records, and solar variability. Tuning and stacking of non-annual terrestrial palaeoclimate records is a new approach to the compilation and reconciliation of individual records within coherent climatic regions and provides a tool for upscaling of palaeoclimate records for climate model-data comparisons.

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Citation

Charman, D.J., Blundell, A., Chiverrell, R.C., Hendon, D. and Langdon, P.G. (2006) Compilation of non-annually resolved Holocene proxy climate records: stacked Holocene peatland palaeo-water table reconstructions from northern Britain Quaternary Science Reviews, 25, pp. 336-350. (doi:10.1016/j.quascirev.2005.05.005).

More information

Submitted date: 2 December 2004
Published date: 2006

Identifiers

Local EPrints ID: 55016
URI: http://eprints.soton.ac.uk/id/eprint/55016
ISSN: 0277-3791
PURE UUID: 14485a81-85f9-4214-b33d-a6b89b306bec
ORCID for P.G. Langdon: ORCID iD orcid.org/0000-0003-2724-2643

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Date deposited: 01 Aug 2008
Last modified: 17 Jul 2017 14:34

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Contributors

Author: D.J. Charman
Author: A. Blundell
Author: R.C. Chiverrell
Author: D. Hendon
Author: P.G. Langdon ORCID iD

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