Water dating

Pumping could draw more water into the aquifer from recharge (not always an option) to replace what is lost, the water pumped could be from groundwater already stored in the aquifer, or it could be groundwater that was leaving the aquifer via discharge into a river or lake that is now diverted to your well.

Name: Carbon-14 Nickname: 14C, The Cool One Personality: Bada^s, Awesome Half-life: 5730 years Groundwater age range: 100 -100,000 years A little about me: 14C, nicknamed radiocarbon, is the isotope that everyone wants to meet.There may be lots of it, but the aquifer could take a long time to recover.Think of it like this: the water being pumped has to come from somewhere.If groundwater is young it is likely that the host aquifer is more vulnerable to contamination.Furthermore, knowing the age of groundwater throughout an aquifer will also allow a hydrogeologist to assess how quickly contamination will spread and if it can be contained.

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