Tritium 3he dating of shallow groundwater research on speed dating

The fully automated, computer-controlled manifold system allows analysis of the full suite of noble gases (3He/4He, He, Ne, Ar, Kr, and Xe concentrations), along with low level tritium for reporting of derived quantities that include tritium/helium-3 groundwater age, noble gas recharge temperature, and dissolved excess air concentration.

This system represents a capability for characterizing groundwater recharge conditions by dissolved gas analysis that is unmatched by any other laboratory.

Zimmek, “Performance and Blank Components of a Mass Spectrometric System for Routine Measurement of Helium Isotopes and Tritium by the 3He in Growth Method,” Sitzungsber der Heidelberger Akademie der Wissenschaften, Mathematisch Naturwissenschaftliche Klasse, Jahrgang Springer Verlag.

This increased reliance on the groundwater in concert with the strict regulation on water quality has led to a need by water managers and regulators to understand: Characterization of mean groundwater age and recharge temperature through the use of noble gas techniques provides information that is relevant to answering these questions and that is not accessible through traditional hydrogeologic approaches.

LLNL has developed a noble gas mass spectrometry facility that houses a state-of-the-art water-gas separation manifold and mass spectrometry system designed specifically for high throughput of groundwater samples. scientists with cutting-edge expertise in the measurement and interpretation of noble gases and tritium in groundwater.

Author(s) retain the copyrights of this article, though, publication rights are with Alkhaer Publications.

He)) and groundwater flow path analysis is useful for investigating groundwater travel times, flow patterns, and recharge rates, as demonstrated by this study of the homogeneous shallow, unconfined Kirkwood-Cohansey aquifer system in the southern New Jersey coastal plain.

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Merzb, “Redox Processes in the Oderbruch Polder Groundwater Flow System in Germany,” Applied Geochemistry, Vol.

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