World's Best Scientists 2026 revealed!

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Engineering and Technology

D-Index
43
Citations
7718
World Ranking
6132
National Ranking
1707

Earth Science

D-Index
47
Citations
8585
World Ranking
3994
National Ranking
1564

Overview

Tetsu K. Tokunaga is affiliated with the Lawrence Berkeley National Laboratory in the United States. Their research primarily spans the fields of engineering and environmental science, with a focus on environmental engineering, ocean engineering, mechanics of materials, water science and technology, and geochemistry and petrology.

The scientist's work addresses several key topics including:

  • Hydrocarbon exploration and reservoir analysis
  • Enhanced oil recovery techniques
  • Groundwater flow and contamination studies
  • Hydrology and watershed management studies
  • Groundwater and isotope geochemistry
  • Soil and water nutrient dynamics
  • CO2 sequestration and geologic interactions

Tetsu K. Tokunaga has contributed to multiple scientific publications, with frequent appearances in venues such as the OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information), Water Resources Research, Gas Science and Engineering, Nature Geoscience, and Energy & Fuels.

Significant recent papers include:

  • "Bedrock weathering contributes to subsurface reactive nitrogen and nitrous oxide emissions," 2021, Nature Geoscience
  • "Impacts of Mixed-Wettability on Brine Drainage and Supercritical CO2 Storage Efficiency in a 2.5-D Heterogeneous Micromodel," 2020, Water Resources Research
  • "Simplified Green-Ampt Model, Imbibition-Based Estimates of Permeability, and Implications for Leak-off in Hydraulic Fracturing," 2020, Water Resources Research
  • "Impacts of Pore Network-Scale Wettability Heterogeneity on Immiscible Fluid Displacement: A Micromodel Study," 2021, Water Resources Research
  • "Quantifying Subsurface Flow and Solute Transport in a Snowmelt-Recharged Hillslope With Multiyear Water Balance," 2022, Water Resources Research

The scientist collaborates frequently with several researchers, including:

  • Jiamin Wan
  • Curtis Beutler
  • Kenneth H. Williams
  • Wenming Dong
  • Markus Bill

Best Publications

  • Application of a High-Density Oligonucleotide Microarray Approach To Study Bacterial Population Dynamics during Uranium Reduction and Reoxidation

    Eoin L. Brodie;Eoin L. Brodie;Todd Z. DeSantis;Dominique C. Joyner;Seung M. Baek

  • Kinetic stability of hematite nanoparticles: the effect of particle sizes

    Y. Thomas He;Jiamin Wan;Tetsu Tokunaga

  • WATER FILM FLOW ALONG FRACTURE SURFACES OF POROUS ROCK

    Tetsu K. Tokunaga;Jiamin Wan

  • Film Straining of Colloids in Unsaturated Porous Media: Conceptual Model and Experimental Testing

    Jiamin Wan;Tetsu K. Tokunaga

  • Dewetting of Silica Surfaces upon Reactions with Supercritical CO2 and Brine: Pore-Scale Studies in Micromodels

    Yongman Kim;Jiamin Wan;Timothy J. Kneafsey;Tetsu K. Tokunaga

  • Reoxidation of Bioreduced Uranium Under Reducing Conditions

    Jiamin Wan;Tetsu K. Tokunaga;Eoin Brodie;Zheming Wang

  • Quantitative Speciation of Selenium in Soils Using X-ray Absorption Spectroscopy

    Ingrid J. Pickering;Gordon E. Brown;Tetsu K. Tokunaga

  • The East River, Colorado, watershed: A mountainous community testbed for improving predictive understanding of multiscale hydrological–biogeochemical dynamics

    Susan S. Hubbard;Kenneth Hurst Williams;Deb Agarwal;Jillian Banfield

  • Hydraulic properties of adsorbed water films in unsaturated porous media

    Tetsu K. Tokunaga

  • Wettability and Flow Rate Impacts on Immiscible Displacement: A Theoretical Model

    Ran Hu;Jiamin Wan;Zhibing Yang;Yi‐Feng Chen

  • Generation of stable microbubbles and their transport through porous media

    Jiamin Wan;Srinivas Veerapaneni;Fred Gadelle;Tetsu K. Tokunaga

  • Organic carbon distribution, speciation, and elemental correlations within soil microaggregates: applications of STXM and NEXAFS spectroscopy

    Jiamin Wan;Tolek Tyliszczak;Tetsu K. Tokunaga

  • Partitioning of Clay Colloids at Air–Water Interfaces

    Jiamin Wan;Tetsu K. Tokunaga

  • DLVO-based estimates of adsorbed water film thicknesses in geologic CO2 reservoirs.

    Tetsu K. Tokunaga

  • Influence of calcium carbonate on U(VI) sorption to soils.

    Zuoping Zheng;Tetsu K. Tokunaga;Jiamin Wan

  • Physicochemical controls on adsorbed water film thickness in unsaturated geological media

    Tetsu K. Tokunaga

  • Wettability impact on supercritical CO2 capillary trapping: Pore-scale visualization and quantification

    Ran Hu;Jiamin Wan;Yongman Kim;Tetsu K. Tokunaga

  • Improved Glass Micromodel Methods for Studies of Flow and Transport in Fractured Porous Media

    Jiamin Wan;Tetsu K. Tokunaga;Chin-Fu Tsang;Gudmundur S. Bodvarsson

  • Influence of wettability and permeability heterogeneity on miscible CO2 flooding efficiency

    Prem Bikkina;Jiamin Wan;Yongman Kim;Timothy J. Kneafsey

  • Selenium Transformations in Ponded Sediments

    Tetsu K. Tokunaga;Ingrid J. Pickering;Gordon E. Brown

  • In situ reduction of chromium(VI) in heavily contaminated soils through organic carbon amendment.

    Tetsu K. Tokunaga;Jiamin Wan;Mary K. Firestone;Terry C. Hazen

Frequent Co-Authors

Jiamin Wan
Jiamin Wan Lawrence Berkeley National Laboratory
Kenneth H. Williams
Kenneth H. Williams Lawrence Berkeley National Laboratory
Terry C. Hazen
Terry C. Hazen University of Tennessee at Knoxville
Eoin L. Brodie
Eoin L. Brodie Lawrence Berkeley National Laboratory
Susan S. Hubbard
Susan S. Hubbard Lawrence Berkeley National Laboratory
Mary K. Firestone
Mary K. Firestone University of California, Berkeley
Stephen R. Sutton
Stephen R. Sutton University of Chicago
Mark E. Conrad
Mark E. Conrad Lawrence Berkeley National Laboratory
Matthew Newville
Matthew Newville University of Chicago
Carl I. Steefel
Carl I. Steefel Lawrence Berkeley National Laboratory

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