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    Radiocarbon in Seawater Intruding into the Israeli Mediterranean Coastal Aquifer

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    Author
    Yechieli, Yoseph
    Sivan, Orit
    Lazar, Boaz
    Vengosh, A.
    Ronen, D.
    Herut, Barak
    Issue Date
    2001-01-01
    Keywords
    water resources
    water rock interaction
    salinization
    salt water intrusion
    hydrogen
    tritium
    residence time
    hydrochemistry
    tracers
    Israel
    coastal environment
    sea water
    ground water
    aquifers
    pollution
    Middle East
    isotope ratios
    Mediterranean region
    Asia
    C 14
    carbon
    isotopes
    radioactive isotopes
    C 13 C 12
    stable isotopes
    geochemistry
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    Citation
    Yechieli, Y., Sivan, O., Lazar, B., Vengosh, A., Ronen, D., & Herut, B. (2001). Radiocarbon in seawater intruding into the Israeli Mediterranean coastal aquifer. Radiocarbon, 43(2B), 773-781.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    Description
    From the 17th International Radiocarbon Conference held in Jerusalem, Israel, June 18-23, 2000.
    URI
    http://hdl.handle.net/10150/654609
    DOI
    10.1017/S0033822200041448
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    Saline groundwaters from the Israeli coastal aquifer were analyzed for their radiocarbon and tritium content to assess the rate of seawater penetration. The low 14C values (28-88 pMC versus 100-117 pMC in seawater) imply an apparent non-recent seawater source, or water-rock interactions along the penetration route. The latter process is supported by measurable tritium values at some locations, which imply a relatively rapid rate of seawater intrusion. In other locations, low tritium values (<2 T.U.) indicate that recent seawater (<50 yr) did not penetrate inland. The low delta-13C values in saline groundwater (average of -5.3 per mil versus 0 per mil in seawater) indicate that the dissolved carbon pool is comprised of a significant fraction of organic carbon. A linear negative correlation between delta-13C and 14C implies that this organic source is old (low 14C values).
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200041448
    Scopus Count
    Collections
    Radiocarbon, Volume 43, Number 2B (2001)

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