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Principal filter analysis for luminescence excitation-emission data

Lookup NU author(s): Dr Christopher Brunsdon, Dr Andrew Baker


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[1] A new method (termed Principal Filter Analysis (PFA)) for analysing large time series of luminescence excitation-emission matrices (EEMs) is proposed, based on the idea of identifying 'filters' that detect time periods where interesting variations in the EEMs occur. A mathematical exposition of the technique is supplied, followed by a discusion of how it may be implemented in practice. The method is applied to EEMs taken from a stalagmite in Crag Cave, W. Ireland resulting in three distinct time periods of luminescence properties being identified.

Publication metadata

Author(s): Brunsdon C, Baker A

Publication type: Article

Publication status: Published

Journal: Geophysical Research Letters

Year: 2002

Volume: 29

Issue: 24

Pages: 2156

ISSN (print): 0094-8276

ISSN (electronic): 1944-8007

Publisher: American Geophysical Union


DOI: 10.1029/2002GL015977


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