Principal filter analysis for luminescence excitation-emission data

Details Principal filter analysis for luminescence excitation-emission data Principal filter analysis for luminescence excitation-emission data

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29x...9b&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 24, pp. 9-1, CiteID 2156, DOI 10.1029/2002GL015977

Physics

Optics

1

Electromagnetics: Optics, Electromagnetics: Numerical Methods, Mathematical Geophysics: General Or Miscellaneous, Geochemistry: Organic Geochemistry

Scientific paper

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.

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