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Geosciences

Brantley


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Susan L. Brantley
Aqueous Geochemistry and Biogeochemistry at Penn State
Earth and Environmental Systems Institute


Susan L. Brantley, Professor of Geosciences, investigates chemical, biological, and physical processes associated with the circulation of aqueous fluids in shallow hydrogeologic settings. Investigations incorporate field and laboratory work, and theoretical modelling of observations. Of particular interest are questions concerning the measurement and prediction of the rates of natural processes, including chemical weathering with and without micro-organisms. Recent work has focused on the effect of microbial life on mineral reactivity, and measuring and modelling how rock turns into regolith.

Ongoing projects directed or co-supervised by Brantley are listed below. Students are encouraged to write brantley@eesi.psu.edu to inquire about any of these projects or others not listed here.

  1. Fe release and isotope fractionation during microbial alteration and weathering of shales, granites, and basalts
  2. Coupling between weathering and erosion
  3. Chemical, physical, and biological weathering in the Luquillo Critical Zone Observatory
  4. Chemical, biological, and physical weathering in the Susquehanna Shale Hills Critical Zone Observatory
  5. Neutron scattering analyses of weathering rocks
  6. Reactive transport modelling of weathering

The Water-rock Interaction Laboratory directed by Brantley, is one of many laboratories across the Penn State Campus which focusses on Environmental Chemistry and Geochemistry. These facilities, including state-of-the art instrumentation in four colleges, comprise the Center for Environmental Chemistry and Geochemistry (CECG). The Center fosters undergraduate and graduate work in Environmental Chemistry and Geochemistry. The CECG supports a Thermo Inductively Coupled Plasma Mass Spectrometer (ICP-MS) in collaboration with the Materials Characterization Laboratory. One initiative fostered by the CECG is the Biogeochemical Research Initiative for Education (BRIE). BRIE was an NSF-funded initiative to fund up to 30 graduate and 30 undergraduate students to investigate the interface of microbiology and geochemistry at Penn State. The program has developed into a Dual Degree in Biogeochemistry. Grad applicants are encouraged. A current initiative at Penn State is the Susquehanna Shale Hills Critical Zone Observatory national program. Grads are encouraged to apply to work at Shale Hills and the Luquillo Critical Zone Observatory especially on inter-related aspects of chemical, physical, and biological weathering. Susan Brantley is also the Director of the Earth and Environmental Systems Institute (EESI) at Penn State. EESI fosters interdisciplinary environmental research and education within the College of Earth and Mineral Sciences and across the PSU campus.

Watch a video "Slices of Time: Times Scales of the Environment" which is part of the Critical Zone Observatory project.

Creative Commons License
Slices Of Time by Susan Brantley is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Based on a work at http://www.essc.psu.edu/~sxb7/.

Brantley Laboratory Group

Contact: brantley@eesi.psu.edu


Dr. Susan Brantley
Distinguished Professor of Geosciences
2217 EES Bldg
(814) 865-1619
(814) 865-3191 (fax)

Last updated: 7/2/2010