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    The Effects of Rainfall on Carbon Isotopes of POC in the Teshio River, Northern Japan

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    Author
    Aramaki, T.
    Nakamura, Y-H.
    Uchida, M.
    Shibata, Y.
    Issue Date
    2010-01-01
    
    Metadata
    Show full item record
    Citation
    Aramaki, T., Nagao, S., Nakamura, Y.-H., Uchida, M., & Shibata, Y. (2010). The effects of rainfall on carbon isotopes of POC in the Teshio River, Northern Japan. Radiocarbon, 52(2), 808-814.
    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/10150/654355
    DOI
    10.1017/S0033822200045823
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    During a rainfall event in early September 2006, the transport behavior of particulate organic carbon (POC) in a small river (Teshio River, northern Japan) with alluvial plain and forest characteristics was investigated chiefly with carbon isotopes. The radiocarbon (∆14C value) of POC varied widely from -56 at the beginning of the rain event to -10 at peak rainfall. The ∆14C values have a positive correlation with C/N ratios and a negative correlation with 13C values except for the data from when both turbidity and water level were at their maximums due to rainfall. These results indicate that the sources of organic matter in the river come from the surface layer of soil as the water level rises during a rainfall event.
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200045823
    Scopus Count
    Collections
    Radiocarbon, Volume 52, Number 2 (2010)

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