Publications

Rolle, M., Chiogna, G., Hochstetler, D.L., and P.K. Kitanidis (2013). On the importance of diffusion and compound-specific mixing for contaminant transport in groundwater. Journal of Contaminant Hydrology. (In Press)

Hochstetler, D.L. Rolle, M., Chiogna, G., Haberer, C.M., Grathwohl, P., and P.K. Kitanidis (2013). Effects of compound-specific transverse mixing on steady-state reactive plumes: insights from pore-scale simulations and Darcy-scale experiments. Advances in Water Resources. 54, pp. 1-10, DOI: 10.1016/j.advwatres.2012.12.007

Hochstetler, D.L. and P.K. Kitanidis (2013). The behavior of effective reaction rate constants for bimolecular reactions under physical equilibrium. Journal of Contaminant Hydrology. 144, pp.88-98 DOI: 10.1016/j.jconhyd.2012.10.002

Chiogna, G., Hochstetler, D.L., Bellin, A., Kitanidis, P.K., and M. Rolle (2012). Mixing, entropy and reactive solute transport. Geophysical Research Letters, 39, L20405, DOI: 10.1029/2012GL053295

Rolle, M., Hochstetler, D., Chiogna, G., Kitanidis, P.K., and P. Grathwohl (2012). Experimental investigation and pore-scale modeling interpretation of compound-specific transverse dispersion in porous media. Transport in Porous Media 93 (3), pp. 347-362, DOI: 10.1007/s11242-012-9953-8

Presentations

Hochstetler, D.L. Rolle, M., Chiogna, G., Haberer, C.M., Grathwohl, P., and P.K. Kitanidis, Impact of compound-specific transverse mixing on steady-state reactive plumes. AGU Fall Meeting, San Francisco. December 2012. (Poster)

Hochstetler, D.L., M. Rolle, and Peter K. Kitanidis, Using pore-scale simulations to better quantify mixing and mass transformation in upscaled models. Goldschmidt Conference, Montreal. June 2012. (Oral Presentation)

Hochstetler, D. L. and P. K. Kitanidis, The Behavior of Effective Reaction Rate Constants for Bimolecular Reactions in Porous Media. AGU Fall Meeting, San Francisco. December 2011. (Oral Presentation)

Rolle, M., Hochstetler, D., Chiogna, G., Kitanidis, P.K., and P. Grathwohl, Compound-specific transverse dispersion in porous media: Darcy-scale experiments and pore-scale modeling interpretation. Goldschmidt Conference, Prague, August 2011.

Hochstetler, D. L., G. P. Curtis, and P. K. Kitanidis, Upscaling reactive transport models for U(VI) from laboratory to field scales. 2nd Summer School on Flow and Transport in Porous and Fractured Media: Development, Protection, Management, and Sequestration of Subsurface Fluids, Cargese, France. August 2010. (Poster)

Hochstetler, D. L., and P. K. Kitanidis, Application of Analytical and Numerical Methods for Modeling Multi-component Reactive Transport: Mixing Analysis and Model Comparison. AGU Fall Meeting, San Francisco. December 2009. (Poster)

D.L. Hochstetler, Endocrine Disruptors: Estrogenic Activity. Notre Dame Environmental Education and Research Symposium, Notre Dame, IN. November 2005. (Poster)

Research Experiences

Stanford University, Stanford, CA
Upscaling Transport and Reactions in the Subsurface
2008-present, PI: Prof. Peter K. Kitanidis

  • Quantifying the effects of upscaling on reactive transport rates in several porous media models under various flow and chemical conditions
  • Conducted numerical experiment of flow in a calcite-lined tube. Used numerical and analytical techniques to analyze the dilution rate and reaction rates

Stanford University, Stanford, CA, and U.S. Geological Survey, Menlo Park, CA
Upscaling of Reactive Uranium Transport
2010-present, PI: Dr. Gary Curtis , Advisor: Prof. Peter K. Kitanidis

  • Applying upscaling methods to the lab and field data obtained and modeled by Curtis and others at the Uranium Mill Tailings and Remediation Act site at Naturita, CO
  • Improve understanding of adsorption and other processes that control U(VI) transport at the sites

Benin, West Africa and Notre Dame, IN
Groundwater Modeling of Godomey Aquifer
2006-2007, PI: Prof. Stephen E. Silliman

  • Led team of American undergraduate and Beninoise graduate students to develop a numerical model to be used to manage and protect the drinking water supply of Cotonou, Benin
  • Tested model parameters and analyzed several potential models with use of MODFLOW (GMS), MT3D, and MATLAB
  • Spent 10 weeks over 2 summers working in Benin in addition to research conducted during the academic year

Field Experiences (Volunteer)

Naturita, CO
Tracer Injection Test and Electrical Resistivity Tomography (ERT) for Improved Macro-transport and Reaction Parameters at a Uranium(VI) Contamination Site (USGS Research Project)
July 2011, PI: Dr. Gary Curtis

  • Co-led design and calibration of system of injection wells
  • Sampled dozens of wells twice/day for temperature, pH, alkalinity, U(VI), and ions

South San Francisco Bay, CA
Quantification of Methylmercury Budget of a Relatively Pristine Intertidal Salt Marsh
September 2011, Prof. Steven Gorelick (PI), Dr. Kevan Moffett, Dr. Lisamarie Windham-Meyers

  • Collected wetland surface water and pore-water samples
  • Manually monitored tensiometers
  • Identified ideal gas-sampling locations

Last updated: 8/1/2013