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    Radiocarbon Reservoir Age Variations in the South Peruvian Upwelling During the Holocene

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    Author
    Fontugne, Michel
    Carré, Matthieu
    Bentaleb, Ilhem
    Julien, Michèle
    Lavallée, Danièlle
    Issue Date
    2004-01-01
    Keywords
    absolute age
    Anthozoa
    archaeological sites
    C 14
    carbon
    Cenozoic
    charcoal
    Coelenterata
    dates
    Holocene
    Invertebrata
    isotopes
    Mollusca
    paleo oceanography
    paleoenvironment
    Peru
    Quaternary
    Quebrada de los Burros
    radioactive isotopes
    shells
    South America
    southern Peru
    upwelling
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    Citation
    Fontugne, M., Carré, M., Bentaleb, I., Julien, M., & Lavallée, D. (2004). Radiocarbon reservoir age variations in the south Peruvian upwelling during the Holocene. Radiocarbon, 46(2), 531-537.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    Description
    From the 18th International Radiocarbon Conference held in Wellington, New Zealand, September 1-5, 2003.
    URI
    http://hdl.handle.net/10150/654918
    DOI
    10.1017/S003382220003558X
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    In Quebrada de los Burros in coastal southern Peru (Tacna department), human settlements containing shells and charcoal deposits have been excavated since 1995. The sea surface 14C reservoir ages, estimated by calculating the difference of 14C age between marine shells and terrestrial organic materials, exhibit high values during the lower and middle Holocene and decrease abruptly after 4000 cal BP. The increase of reservoir age at around 7000-8000 cal BP suggests an enhancement of Peruvian coastal upwelling intensity and changes in ocean circulation at intermediate depth.
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S003382220003558X
    Scopus Count
    Collections
    Radiocarbon, Volume 46, Number 2 (2004)

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