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Clark, Chris D; Ely, Jeremy C; Fabel, Derek; Bradley, Sarah L (2022): BRITICE-CHRONO maps and GIS data of the last British-Irish Ice Sheet 31 to 15 ka, including model reconstruction, geochronometric age spreadsheet, palaeotopographies and coastline positions [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.945729

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Abstract:
The BRITICE-CHRONO project measured 639 new geochronometric ages that constrain the timing of advance and retreat of the last British-Irish Ice Sheet between 31,000 and 15,000 years ago, including across the North Sea. These ages (optically stimulated luminescence, radiocarbon and terrestrial cosmogenic nuclide methods) are made available in an excel spreadsheet, along with all sample and laboratory metadata and calibrations. Together with other published information, the ages were used to build an empirical ice sheet reconstruction at one thousand year time-steps. A poster-map and slideshow (PDF) of the reconstruction (31 to 15 ka) and the underlying GIS data (ArcGIS shapefiles) of ice extents (min, max and optimum) are made available here. An ice sheet model was nudged to fit these ice limits and the ensuing model-reconstruction is made available as a poster-map, slideshow (PDF) and movie (GIF) of the reconstruction (31 to 15 ka). The GIS data is also available including grounded ice extent and ice shelves, ice thickness, ice surface elevation, and ice velocity (as ArcGIS grids). From glacio-isostatic adjustment modelling we also provide digital elevation models of the palaeotopography of the British Isles and surrounding sea floors and coastline positions from 36 to 1 ka (ArcGIS grids and shapefiles). Full methods, descriptions, caveats and interpretations are available in the parent paper to this dataset: Clark. C.D. et al. (2022) Growth and retreat of the last British-Irish Ice Sheet, 31,000 to 15,000 years ago: the BRITICE-CHRONO reconstruction, Boreas.
Keyword(s):
BRITICE CHRONO; British Irish Ice Sheet; dating ice retreat; Ice Sheet Modelling
Related to:
Clark, Chris D; Chiverrell, R C; Fabel, Derek; Hindmarsh, Richard C A; Ó Cofaigh, Colm; Scourse, James D (2021): Timing, pace and controls on ice sheet retreat: an introduction to the BRITICE‐CHRONO transect reconstructions of the British–Irish Ice Sheet. Journal of Quaternary Science, 36(5), 673-680, https://doi.org/10.1002/jqs.3326
Clark, Chris D; Ely, Jeremy C; Hindmarsh, Richard C A; Bradley, Sarah L; Igneczi, A; Fabel, Derek; Ó Cofaigh, Colm; Chiverrell, R C; Scourse, James D; Benetti, Sara; Bradwell, T; Evans, D J A; Roberts, D H; Burke, M; Callard, S Louise; Saher, Margot; Small, D; Smedley, R K; Gasson, Edward G W; Gregoire, Lauren J; Gandy, N; Hughes, Anna L C; Ballantyne, Colin K; Bateman, Mark; Bigg, Grant R; Doole, J; Dove, D; Duller, G A T; Jenkins, Geraint T H; Livingstone, S L; McCarron, S; Moreton, Stephen; Pollard, David; Praeg, Daniel; Sejrup, Hans Petter; van Landeghem, K J J; Wilson, Paul A (2022): Growth and retreat of the last British–Irish Ice Sheet, 31 000 to 15 000 years ago: the BRITICE‐CHRONO reconstruction. Boreas, 51(4), 699-758, https://doi.org/10.1111/bor.12594
Funding:
European Research Council (ERC), grant/award no. 787263: PALGLAC-Palaeoglaciological advances to understand Earth's ice sheets by landform analysis
Natural Environment Research Council (NERC), grant/award no. NE/J009768/1: BRITICE-CHRONO: Constraining rates and style of marine-influenced ice sheet decay
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Binary ObjectBinaryClark, Chris D
2Binary Object (Media Type)Binary (Type)Clark, Chris D
3Binary Object (File Size)Binary (Size)BytesClark, Chris D
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
10 data points

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