Christopher Eastoe | Environmental Science | Best Researcher Award

Published on by Soil Scientist

Dr. Christopher Eastoe | Environmental Science | Best Researcher Award

Dr. Christopher Eastoe | University of Arizona | Australia

Dr. Christopher J. Eastoe, a distinguished researcher in the Department of Geosciences at the University of Arizona, has made significant contributions to the fields of hydrogeochemistry, isotope geochemistry, and mineral deposit studies. His work primarily focuses on the application of geological, light stable isotopes (S, Cl, C, O, H), and radiogenic isotopes (³H, ¹⁴C) to investigate hydrothermal ore deposits, sedimentary basins, groundwater systems, and atmospheric processes. Through advanced isotope and fluid inclusion techniques, he has enhanced the understanding of geochemical processes shaping Earth’s crust and fluid evolution in diverse geological settings. Dr. Eastoe’s research also emphasizes the development and quality assurance of sulfur and chlorine isotopic methodologies, which have become essential tools in modern geoscientific studies. His prolific scientific output includes 112 peer-reviewed documents, reflecting a sustained commitment to excellence in geochemical research and laboratory innovation. With a strong record of collaboration and mentorship, his scholarly influence is underscored by 3,191 citations across 2,290 referencing documents, demonstrating the global impact of his contributions to isotope geochemistry and environmental geoscience. His research legacy continues to guide new investigations in isotope applications for resource exploration and environmental assessment, solidifying his role as a leader in Earth science research.

Profiles: Scopus  | Orcid

Featured Publications

  • Hibbs, B. J., Eastoe, C. J., & Merino, M. (2024). Issues of bias in groundwater quality data sets in an irrigated floodplain aquifer of variable salinity. Geosciences, 14(3), 66.

  • Eastoe, C. J. (2023). Isotope record of groundwater recharge mechanisms and climate change in southwestern North America. Applied Geochemistry, 153, 105604. https://doi.org/10.1016/j.apgeochem.2023.105604

  • Eastoe, C., Hibbs, B., Merino, M., & Dadakis, J. (2022). Origins of sulfate in groundwater and surface water of the Rio Grande floodplain, Texas, USA and Chihuahua, Mexico. Hydrology, 9(6), 95.

  • Gu, A., & Eastoe, C. J. (2021). The origins of sulfate in Cenozoic non-marine evaporites in the Basin-and-Range Province, southwestern North America. Geosciences, 11(11), 455.

  • Zamora, H. A., Eastoe, C. J., McIntosh, J. C., & Flessa, K. W. (2021). Groundwater origin and dynamics on the eastern flank of the Colorado River Delta, Mexico. Hydrology, 8(2), 80.

  • Callegary, J. B., Norman, L. M., Eastoe, C. J., Sankey, J. B., & Youberg, A. (2021). Preliminary assessment of carbon and nitrogen sequestration potential of wildfire-derived sediments stored by erosion control structures in forest ecosystems, Southwest USA. Air, Soil and Water Research, 14, 11786221211001768.