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Kate Campbell

Research Chemist

Contact Info

Short Biography

Kate Campbell started her career with the USGS with the volunteer for science program as a high school student interested in the water quality of Boulder Creek, CO.  After majoring in chemistry in college, she pursued a Ph.D. at Catech studying the biogeochemistry of arsenic redox transformations in reservoir sediments.  She returned to the USGS as a National Research Council postdoctoral fellow in 2007 in Menlo Park, CA, researching uranium bioremediation in shallow contaminated aquifers.  Currently, she is a research chemist in Boulder, CO.  Her research projects include understanding the biogeochemistry of metals and metalloids in Yellowstone National Park geothermal waters and mine-impacted waters, particularly in acid mine drainage and uranium-contaminated groundwater.  She also studies microbial kinetics of iron, arsenic, and antimony oxidation in acid mine drainage, and how to incorporate microbial kinetics in reactive transport models for field-scale application.


Ph.D. – California Institute of Technology, Environmental Science and Engineering, Pasadena, CA, 2006

M.S. – California Institute of Technology, Environmental Science and Engineering, Pasadena, CA, 2003

B.S. – Georgetown University, Chemistry major, Japanese minor, Washington, D.C., 2001


Nordstrom, D.K., and Campbell, K.M. "Modeling Low-temperature Geochemical Processes." Treatise on Geochemistry, Drever, J.I. (ed.), Oxford: Elsevier, 7, 27-67, 2013.

Bargar, J.R., Williams, K.H., Campbell, K.M., Long, P.E., Stubbs, J.E., Suvorova, E., Lezama-Pacheco, J.S., Alessi, D.S., Stylo, M., Webb, S.M., Davis, J.A., Giammar, D.E., Blue, L.Y., and Bernier-Latmani, R. "Uranium redox transition pathways in acetate-amended sediments." Proceedings of the National Academy of Science, 110, 4506-4511, 2013.

Campbell, K. M., Alpers, C. N., Nordstrom, D. K., Blum, A., and Williams, A. “Characterization and Remediation of Iron(III) Oxide-Rich Scale in a Pipeline Carrying Acid Mine Drainage at Iron Mountain Mine, California, USA.” in Reliable Mine Water Technology, edited by A. Brown, L. Figueroa and C. Wolkersdorfer, Publication Printers, Denver, p. 287-294, 2013.

Stoliker, D.L., Campbell, K.M., Fox, P.M., Singer, D.M., Kaviani, M.C., Peck, N.E., Bargar, J.R., Kent, D.B., and Davis, J.A. "Evaluating chemical extraction conditions for the determination of uranium oxidation state in reduced aquifer sediments." Environmental Science & Technology, 47, 9225-9232, 2013.

Campbell, K.M. , Kukkadapu, R.K. , Qafoku, N.P., Peacock, A., Davis, J.A. , Icenhower, J.P. , Williams, K.H., Figueroa, L., Ranville, J., and Long, P.E. “Geochemical., mineralogical, and microbiological characteristics of sediment from a naturally reduced zone in a uranium-contaminated aquifer.” Applied Geochemistry, 27, 1499-1511, 2012.

Fox, PM., Davis, J.A., Hay, MB., Conrad, M.E., Campbell, K.M., Williams, K.H., and Long, P.E. "Mobilization of Uranium through Bicarbonate Addition in a Contaminated Shallow Aquifer: Equilibrium versus Rate-Limited U(VI) Speciation and Desorption Models." Water Resources Research, 48 (5), article number W05512, 2012.

Campbell, K.M, Hay, M.B., and Nordstrom, D.K. "Kinetic Modeling of microbial Fe(II) oxidation, Fe(III) hydrolysis, and As(III) oxidation in acid waters." in Understanding the Geological and Medical Interface of Arsenic, Ng, Noller, Naidu, Bundschuh, & Bhattacharya (ed), London: CRC press, p461-462, 2012.

Nordstrom, D.K., McCleskey, R.B., and Campbell, K.M. "Arsenic in Yellowstone’s thermal waters: trends and anomalies." in Understanding the Geological and Medical Interface of Arsenic, Ng, Noller, Naidu, Bundschuh, & Bhattacharya (ed), London: CRC press, p479-480, 2012.

Campbell, K.M. ,Veeramani, H., Urlich, K.U., Giammar, D.E., Blue, L, Bernier-Latmani, R., Stubbs, J., Suvorova, E., Yabusaki, S., Mehta, A., and Bargar, J. “Oxidative dissolution of biogenic uraninite in ground water at Old Rifle, CO.” Environmental Science and Technology, 45, 8748-8754, 2011.

Campbell, K.M., Davis, J.A., Bargar, J., Giammar, D., Bernier-Latmani, R., Kukkadapu, R., Williams, K.H., Veeramani, H., Ulrich, K-U., Stubbs, J., Yabusaki, S., Figueroa, L., Lesher, E., Wilkins, M.J., Wilkins, M., Peacock, A., and Long, P.E. “Composition, stability, and measurement of reduced uranium phases for groundwater bioremediation at Old Rifle, CO.” Applied Geochemistry, 26, S163-S169, 2011.

Borch, T., Kretzschmar, R., Kappler, A., Van Cappellen, P., Ginder-Vogel, M., Voegelin, A., Campbell, K. “Biogeochemical Redox Processes and their Impact on Contaminant Dynamics” Environmental Science and Technology, 44, 15-23, 2010.

Borch, T., Campbell, KM., Kretzchmar, R. “Guest comment: How electron flow controls contaminant dynamics,” Environmental Science and Technology, 44, 3-6, 2010.

Campbell, K.M.. “Radionuclides in Surface and Groundwater.” Chapter in Handbook of Water Purity and Quality, S. Ahuja, editor. Amsterdam: Elsevier, 2009.

Hyun, S.P., Fox, P.M., Davis, J.A., Campbell, K.M., Hayes, K.F., and Long, P.E. “Surface complexation modeling of U(VI) adsorption by aquifer sediments from a former mill tailings site at Rifle, Colorado” Environmental Science and Technology, 43, 9368-9373, 2009.

Campbell ,K.M., and Hering, J.G. “Biogeochemical Mechanisms of Arsenic Mobilization.”Chapter in Arsenic Contamination of Groundwater: Mechanism, Analysis, and Remediation, S. Ahuja, editor. New Jersey: J.S.Wiley & Sons, 2008.

Campbell, K.M , Root, R., O’Day, P.A. and Hering, J.G. “Development of a Gel Probe Equilibrium Sampler to Measure Arsenic Mobilization and Sorption Gradients. I. Laboratory Validation”, Environmental Science and Technology, 42 (2) 497-503, 2008.

Campbell, K.M , Root, R., O’Day, P.A. and Hering, J.G. “Development of a Gel Probe Equilibrium Sampler to Measure Arsenic Mobilization and Sorption Gradients. II. Field Application”, Environmental Science and Technology, 42 (2) 504-510, 2008.

Campbell, K.M., “Biogeochemical Mechanisms of Arsenic Mobilization in Haiwee Reservoir Sediments,” Ph.D. Dissertation, California Institute of Technology, 2007

Root, R., Dixit, S., Campbell, K.M. , Jew, A. , Hering, J.G. and O’Day, P.A.. “Mechanism of Arsenic Sequestration in High-Iron Sediments”, Geochimica et Cosmochimica Acta, 71 (23) 5782-5803, 2007.

Campbell, K.M. , Malasarn, D. , Saltikov, C.W., Newman, D.K. and Hering, J.G.. “Simultaneous Microbial Reduction of Iron(III) and Arsenic (V) in Suspensions of Hydrous Ferric Oxide”. Environmental Science and Technology 40 (19) 5950-5955, 2006.

Campbell, K.M, Dixit, S. and Hering. J.G.. “Use of a gel robe sampling device to examine orewater rofiles and the effects of orewater composition on As sorption in sediments”, Water-Rock Interaction Proceedings, Wanty & Seal II, ed. 2004.

Malasarn, D.M. , Saltikov, C.W., Campbell, K.M., Hering, J.G., Santini, J. , and Newman, D.K. “arrA as a reliable marker for As(V) respiration”, Science 306 (5695): 455-455 October 15 2004.


My Science Topics

Science Topic
Water Resourcesground water
Water Resourcessurface water
Water Resourceswater quality
Environmental Issuescontamination and pollution
Environmental Issuesmine drainage
Environmental Issuestoxic radionuclides
Geologic Processesgeochemistry
Geologic Processeswater chemistry

My USGS Science Strategy Areas

A Water Census of the United States

Understanding Ecosystems & Predicting Ecosystems Change

Biogeochemical Redox Processes in Natural Waters

Image of Current Focus for Biogeochemical Redox Processes in Natural Waters

-          Abiotic and biotic redox processes in natural waters, including mine-impacted, acid, and geothermal waters

-          Biogeochemical cycling and bioremediation of trace elements, with a focus on iron, arsenic, and uranium

-          Novel sampling techniques for redox species and processes

-          Microbial process kinetic modeling

-          Electro-microbiology of redox active trace elements

Contact Information

Kate Campbell
Boulder, CO 80309
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