Dating groundwater

By carefully explaining both the underlying theory and the underlying mathematics, this text enables readers to fully grasp the fundamentals of physical and chemical treatment processes for water and wastewater.Kr and noble gases on groundwater from the deepest aquifer system of the Baltic Artesian Basin (BAB) were performed to determine groundwater ages and uncover the flow dynamics of the system on a timescale of several hundred thousand years.For the brine component, ages exceed the dating range of the ATTA 3 instrument of 1.3 Ma.The radiogenic noble gas components $^$He* and $^$Ar* are less conclusive but also support an age of 1 Ma for the brine.

As additional recharge continues to enter the aquifer, older recharge is pushed deeper by the newer recharge, resulting in a trend of increasing groundwater age with depth.‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.Find out more about the Kindle Personal Document Service.The age of groundwater is key in predicting which contaminants it might contain.There are many tracers and techniques that allow us to estimate the age—or mix of ages—of the groundwater we depend on as a drinking water supply.

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The tritium data suggests that the water in both aquifers is quite young.

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