Thomas H. Darrah

Thomas H. Darrah's research uses chemical and isotopic analysis of water, gas, and rock samples to trace where fluids like groundwater, natural gas, CO2, and volcanic gases come from and how they move underground. This work supports applications such as monitoring carbon capture and storage sites, understanding groundwater contamination near oil and gas operations, and studying deep Earth processes like mantle degassing and continental collision zones. Some recent work also applies trace-element and isotope methods to human health topics, such as tracing lead and gadolinium exposure in biological tissues.

Publication output was higher and fairly steady from 2017-2019 but has declined substantially since 2020, with only a few publications per year in the most recent period.

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