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Visualisation of luminescence excitation-emission timeseries: Palaeoclimate implications from a 10,000 year stalagmite record from Ireland

Lookup NU author(s): Dr Andrew Baker, Lucy Bolton, Dr Christopher Brunsdon, M Charlton


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Stalagmite luminescence excitation emission wavelength timeseries can provide high-resolution palaeoclimate records. Here, we employ multidimensional visualisation techniques in order to interpret a 10,000 year luminescence record from a stalagmite from Crag Cave, SW Ireland. Our results demonstrate three periods of distinct luminescence properties: (1) 0-4,000 BP, when they are affected by overlying agriculture. (2) 4,000-9,600 BP, where there is a strong correlation between luminescence and 13C isotopic variations; we suggest the correlation demonstrates a vegetation response to climate change. (3) Before 9,600 BP, where a strong early Holocene transition is visible. Our results suggest that it took about 400-600 years for soils above the cave to stabilise after significant climate or environmental change, and that there was a complex vegetation response between 8,000 and 7,100 BP that my have been a lagged response to the '8.2 ka event'.

Publication metadata

Author(s): Baker A; Brunsdon C; Bolton L; Charlton M; McDermott F

Publication type: Article

Publication status: Published

Journal: Geophysical Research Letters

Year: 2000

Volume: 27

Issue: 14

Pages: 2145-2148

Print publication date: 01/01/2000

ISSN (print): 0094-8276

ISSN (electronic): 1944-8007

Publisher: American Geophysical Union


DOI: 10.1029/2000GL011380


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