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    Variability of Dissolved Inorganic Radiocarbon at a Surface Site in the Northeast Pacific Ocean

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    Author
    Druffel, Ellen R. M.
    Beaupré, Steven
    Griffin, Sheila
    Hwang, Jeomshik
    Issue Date
    2010-01-01
    
    Metadata
    Show full item record
    Citation
    Druffel, E. R., Beaupré, S., Griffin, S., & Hwang, J. (2010). Variability of dissolved inorganic radiocarbon at a surface site in the Northeast Pacific Ocean. Radiocarbon, 52(3), 1150-1157.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    Description
    From the 20th International Radiocarbon Conference held in Kona, Hawaii, USA, May 31-June 3, 2009.
    URI
    http://hdl.handle.net/10150/654382
    DOI
    10.1017/S0033822200046221
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    We report radiocarbon measurements of dissolved inorganic carbon (DIC) in surface water samples collected daily during 12 cruises to Station M in the northeast Pacific off central California. Individual surface ∆14C values ranged from 22 to 70 over 10 yr. Variability of average cruise values is highest during winter likely due to increased mixing. A general decrease of ∆14C values was observed at a rate of about 3 per year between 1994 and 2004, about half of that in atmospheric CO2 during this period (Levin and Kromer 2004). The ∆14C results ranged from 2-18 during individual cruises and were often significantly larger than the total uncertainty for individual measurements (3.9). This indicates that a single ∆14C result from a surface site is not sufficient to capture the true variability of ∆14C in the surface ocean.
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200046221
    Scopus Count
    Collections
    Radiocarbon, Volume 52, Number 3 (2010)

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