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Harney Basin groundwater age

By Oregon Water Science Center 2022 (approx.)
Red dots representing ancient groundwater, blue dots mostly modern groundwater and green dots a mix.
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Detailed Description

Relative groundwater age in (A) shallow wells that are less than 100 feet deep and (B) deep wells that are greater than 100 feet deep within and next to the Harney Basin, southeastern Oregon. Relative age is based on the analysis of stable isotopes of hydrogen in water and its relation to tritium and carbon-14 age dates.

Sources/Usage

Public Domain.

From Gingerich and others, 2022 USGS Fact-Sheet