World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
101
Citations
32408
World Ranking
1236
National Ranking
479

Environmental Sciences

D-Index
105
Citations
35592
World Ranking
273
National Ranking
124

Research.com Recognitions

  • 2006 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

John M. Zachara is affiliated with the Pacific Northwest National Laboratory in the United States. Their research is primarily situated within the field of Environmental Science, with particular focus on subfields such as Environmental Engineering, Water Science and Technology, Environmental Chemistry, Ecology, and Global and Planetary Change.

The scientist's main research topics include Groundwater flow and contamination studies, Hydrology and Watershed Management Studies, Soil and Water Nutrient Dynamics, Hydrology and Sediment Transport Processes, Atmospheric and Environmental Gas Dynamics, and Radioactive element chemistry and processing.

John M. Zachara has contributed to several research articles published in diverse venues. Recent notable papers include:

  • "River Dynamics Control Transit Time Distributions and Biogeochemical Reactions in a Dam-Regulated River Corridor", 2020, Water Resources Research
  • "Using Ensemble Data Assimilation to Estimate Transient Hydrologic Exchange Flow Under Highly Dynamic Flow Conditions", 2022, Water Resources Research
  • "Kilometer-Scale Hydrologic Exchange Flows in a Gravel Bed River Corridor and Their Implications to Solute Migration", 2020, Water Resources Research
  • "Understanding Contaminant Migration Within a Dynamic River Corridor Through Field Experiments and Reactive Transport Modeling", 2020, Frontiers in Water
  • "Understanding Contaminant Migration within a Dynamic River Corridor Through Integrated Field and Laboratory Experiments and Reactive Transport Modeling", 2020, Goldschmidt Abstracts

Frequent co-authors collaborating with John M. Zachara include:

  • Xingyuan Chen
  • Glenn Hammond
  • Yilin Fang
  • Xuehang Song
  • Pin Shuai

Publications by John M. Zachara commonly appear in the following venues:

  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Water Resources Research
  • Frontiers in Water
  • Goldschmidt Abstracts

John M. Zachara was awarded the distinction of Fellow of the American Association for the Advancement of Science (AAAS) in 2006.

Best Publications

  • Subsurface transport of contaminants

    John F. McCarthy;John M. Zachara

  • Metal Oxide Surfaces and Their Interactions with Aqueous Solutions and Microbial Organisms.

    Gordon E. Brown;Victor E. Henrich;William H. Casey;David L. Clark

  • BIOGENIC IRON MINERALIZATION ACCOMPANYING THE DISSIMILATORY REDUCTION OF HYDROUS FERRIC OXIDE BY A GROUNDWATER BACTERIUM

    James K. Fredrickson;John M. Zachara;David W. Kennedy;Hailang Dong

  • Microbial Reduction of Crystalline Iron(III) Oxides: Influence of Oxide Surface Area and Potential for Cell Growth

    Eric E. Roden;John M. Zachara

  • RESPIRATION OF METAL (HYDR)OXIDES BY SHEWANELLA AND GEOBACTER: A KEY ROLE FOR MULTIHAEM C-TYPE CYTOCHROMES

    Liang Shi;Thomas C. Squier;John M. Zachara;James K. Fredrickson

  • Sorption of divalent metals on calcite

    J.M. Zachara;C.E. Cowan;C.T. Resch

  • Environmental chemistry of chromium.

    Unknown

  • Chemical contaminants on DOE lands and selection of contaminant mixtures for subsurface science research

    Unknown

  • Characterization of an electron conduit between bacteria and the extracellular environment

    Robert S. Hartshorne;Catherine L. Reardon;Daniel Ross;Jochen Nuester

  • Bacterial reduction of crystalline Fe (super 3+) oxides in single phase suspensions and subsurface materials

    John M. Zachara;James K. Fredrickson;Shu-Mei Li;David W. Kennedy

  • Biomineralization of Poorly Crystalline Fe(III) Oxides by Dissimilatory Metal Reducing Bacteria (DMRB)

    John M. Zachara;Ravi K. Kukkadapu;James K. Fredrickson;Yuri A. Gorby

  • Auger parameter measurements of zinc compounds relevant to zinc transport in the environment

    L. S. Dake;D. R. Baer;J. M. Zachara

  • Reduction of U(VI) in goethite (α-FeOOH) suspensions by a dissimilatory metal-reducing bacterium

    James K Fredrickson;John M Zachara;David W Kennedy;Martine C Duff

  • Geomicrobiology of High-Level Nuclear Waste-Contaminated Vadose Sediments at the Hanford Site, Washington State

    James K. Fredrickson;John M. Zachara;David L. Balkwill;David Kennedy

  • c-Type cytochrome-dependent formation of U(IV) nanoparticles by Shewanella oneidensis.

    Matthew J Marshall;Alexander S Beliaev;Alice C Dohnalkova;David W Kennedy

  • The roles of outer membrane cytochromes of Shewanella and Geobacter in extracellular electron transfer.

    Liang Shi;David J. Richardson;Zheming Wang;Sebastien N. Kerisit

  • Reduction kinetics of Fe(III), Co(III), U(VI), Cr(VI), and Tc(VII) in cultures of dissimilatory metal‐reducing bacteria

    Chongxuan Liu;Yuri A. Gorby;John M. Zachara;James K. Fredrickson

  • Structure of a bacterial cell surface decaheme electron conduit

    Thomas A. Clarke;Marcus J. Edwards;Andrew J. Gates;Andrea Hall

  • Sorption of Cs+ to micaceous subsurface sediments from the Hanford site, USA

    John M Zachara;Steven C Smith;Chongxuan Liu;James P McKinley

  • Inhibition of bacterial U(VI) reduction by calcium

    Scott C. Brooks;James K. Fredrickson;Sue L. Carroll;David W. Kennedy

  • The effect of calcium on aqueous uranium(VI) speciation and adsorption to ferrihydrite and quartz

    Patricia M. Fox;James A. Davis;John M. Zachara

  • Isolation of a high-affinity functional protein complex between OmcA and MtrC: Two outer membrane decaheme c-type cytochromes of Shewanella oneidensis MR-1.

    Liang Shi;Baowei Chen;Zheming Wang;Dwayne A. Elias

  • Models for Association of Metal Ions with Heterogeneous Environmental Sorbents. 1. Complexation of Co(II) by Leonardite Humic Acid as a Function of pH and NaClO4 Concentration.

    John C. Westall;John D. Jones;Gary D. Turner;John M. Zachara

  • Kinetic analysis of the bacterial reduction of goethite.

    Chongxuan Liu;Sreenivas Kota;John M. Zachara;Jim K. Fredrickson

Frequent Co-Authors

Chongxuan Liu
Chongxuan Liu Southern University of Science and Technology
James K. Fredrickson
James K. Fredrickson Pacific Northwest National Laboratory
James P. McKinley
James P. McKinley Pacific Northwest National Laboratory
Liang Shi
Liang Shi Pacific Northwest National Laboratory
Ravi K. Kukkadapu
Ravi K. Kukkadapu Environmental Molecular Sciences Laboratory
Steve M. Heald
Steve M. Heald Argonne National Laboratory
Alice Dohnalkova
Alice Dohnalkova Pacific Northwest National Laboratory
David J. Richardson
David J. Richardson Microsoft (United States)
Chunmiao Zheng
Chunmiao Zheng Southern University of Science and Technology
Julea N. Butt
Julea N. Butt University of East Anglia

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