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    Spatial Variability of Bomb 14C in an Upland Peat Bog

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    Author
    Hardie, S. L.
    Garnett, M. H.
    Fallick, A. E.
    Rowland, A. P.
    Ostle, N. J.
    Issue Date
    2007-01-01
    
    Metadata
    Show full item record
    Citation
    Hardie, S. M. L., Garnett, M. H., Fallick, A. E., Rowland, A. P., & Ostle, N. J. (2007). Spatial variability of bomb 14C in an upland peat bog. Radiocarbon, 49(2), 1055-1063.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    Description
    From the 19th International Radiocarbon Conference held in Keble College, Oxford, England, April 3-7, 2006.
    URI
    http://hdl.handle.net/10150/654013
    DOI
    10.1017/S0033822200042910
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    As part of a study investigating the carbon balance of a blanket bog, we made an assessment of the spatial variation of radiocarbon concentrations in the surface layers of a small area of peatland in the north of England. The peat depth at which bomb-14C content was the highest varied considerably between cores sampled from across the site. At several sampling locations, 14C levels >100% Modern were confined to the surface 8 cm, whereas bomb 14C was evident at 1 site, located only meters away, to a depth of at least 1216 cm. Using the layer where 14C levels first exceeded 100% Modern as a chronological reference layer, we estimated the carbon accumulation rate over the last 50 yr for the surface peat at each site (range ~20 to ~125 mu-g C m2 yr1). Our results show that although carbon accumulation over the last 50 yr was similar across the site, variation in the depth to which bomb 14C was evident implied considerable variation in the vertical peat growth rate.
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200042910
    Scopus Count
    Collections
    Radiocarbon, Volume 49, Number 2 (2007)

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