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.

Oussama Baaloudj | Environmental | Young Scientist Award

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Mr. Oussama Baaloudj | Environmental | Young Scientist Award

Mr. Oussama Baaloudj | University of Basilicata | Algeria

Dr. Oussama Baaloudj is a postdoctoral researcher and process engineer specializing in sustainable water treatment and environmental process engineering, with a strong focus on the development and validation of decentralized urban wastewater treatment systems under international collaborative frameworks such as the PRIMA Project SAFE. His multidisciplinary expertise spans photocatalysis, adsorption, hybrid oxidation processes, and advanced materials synthesis for pollutant degradation, contributing significantly to the circular water economy and environmental safety. With 43 research publications indexed in Scopus and over 1,619 citations across 1,093 documents, he holds an impressive h-index of 22, reflecting his growing influence in environmental engineering and applied chemistry. His research integrates innovative modeling and process optimization to enhance wastewater reuse and pollutant remediation efficiency. He has contributed as a guest editor for MDPI journals such as Catalysts and ChemEngineering and has served as an active peer reviewer for leading scientific outlets. Recognized for his scientific excellence, Dr. Baaloudj has received prestigious honors, including the Scopus Award and the FEEM Health Committee Research Award, highlighting his outstanding research contributions to sustainable water management and environmental innovation at the global level.

Profiles: Scopus  | Orcid

Featured Publications

Baaloudj, O., Chiron, S., Zizzamia, A. R., Trotta, V., Del Buono, D., Puglia, D., Rallini, M., & Brienza, M. (2025). Efficient biochar regeneration for a circular economy: Removing emerging contaminants for sustainable water treatment. Colloids and Surfaces A: Physicochemical and Engineering Aspects.

Giulietti, M., Zuorro, A., Lavecchia, R., Baaloudj, O., Garcia-Segura, S., & Brienza, M. (2025). Synergistic effects of UV irradiation and hydrogen peroxide in the degradation of chloramphenicol: Mechanism and identification of reaction byproducts and intermediates. Journal of Water Process Engineering.

Baaloudj, O., Langerame, F., Iunnissi, R., Buttiglieri, G., Del Buono, D., Khadhar, S., Scrano, L., Trotta, V., & Brienza, M. (2025, December). Biochar-based downflow fixed-bed adsorption systems for water treatment: Process optimization, reusability, and techno-economic evaluation. Separation and Purification Technology.

Kamagate, M., Ali, F. A. A., Traore, L., Coulibaly, G. N., Assadi, A. A., Coulibaly, L., Goné Droh, L., & Baaloudj, O. (2025, November 5). Mechanistic insights into radical-mediated moxifloxacin degradation using ultrasound-assisted persulfate activation by iron-rich soil. Catalysts, 15(11), 1056.

Abdelkader, M., Assadi, A. A., Guiza, M., Elfalleh, W., Khezami, L., Tahraoui, H., Baaloudj, O., Mouni, L., Zhang, J., & Amrane, A. (2025, March 9). Photocatalytic degradation of pollutants in air streams using luminous textiles under ultraviolet light illumination: A pilot-scale remediation study. Catalysts, 15(3), 262.

Bourkeb, K. W., Abdessemed, D., Alaoui-Sossé, B., Chronopoulou, L., Baaloudj, O., & Herlem, G. (2025, February 15). Molecularly imprinted polyaniline/carbon nanotube–modified pencil graphite electrode for selective detection of bisphenol A in various aquatic matrices. Journal of Solid State Electrochemistry.