Environmental tracers age dating young groundwater

04-Dec-2017 21:34

Carbon-14 is used to date groundwater older than 1000 years. Various environmental isotopes and tracers are used to determine the age of groundwater.

Carbon-14 is used to date groundwater older than 1000 years.

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Because the half-life of carbon-14 is long (5,730 years), this method is useful for determining the age of groundwater between about 1,000 and 30,000 years old.A common complication of carbon-14 dating is the introduction of additional, carbon-14–free carbon (carbon containing no carbon-14) from the aquifer. "Geochemical Modeling of the Madison Aquifer in Parts of Montana, Wyoming, and South Dakota." Water Resources Research 26 (1990): 1981–2014.

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