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Environmental · L5 · Isotope Tracing Pathway: Ocean to Aquifer

How isotopic fractionation and radioactive decay together trace a water molecule's journey and residence time.

by @openstemUpdated Environmental
🌊 Ocean waterKinetic fractionation on evaporationAtmospheric water vaporEquilibrium fractionation on condensation🌧️ Precipitation: GMWL signatureGroundwater recharge, ³H clock starts⏳ Tritium decays: t½ ≈ 12.3 yr✅ Estimated residence time

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