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Debra Hausladen

Professeure, Faculté de génie

FAC. GÉNIE Civil et bâtiment

Présentation

Sujet de recherche

Drinking Water, Industrial and Urban Contamination of Land, Mining and Petroleum Contamination, Soil and Sediments, Soil Decontamination

Disciplines de recherche

Earth Science, Water and Environment

Mots-clés

Environmental Pollution, Soil biogeochemistry, soil redox processes, Water quality

Intérêts de recherche

groundwater resources, soil redox processes, geogenic contaminants, microbially-mediated redox cycling, organo-mineral interactions, inorganic contaminants, manganese, chromium, uranium, soil carbon cycling

Recherche clinique

Langues parlées et écrites

Anglais, Français

Diplômes

(2017). (Doctorate, Doctor of Philosophy). Stanford University.

(2013). (Master's non-Thesis, Masters of Science). Stanford University.

(2009). (Bachelor's, Bachelor of Arts). Wellesley College.

Expérience académique

Canada Research Chair in Environmental and Soil Biogeochemistry. (2019-). Université de Sherbrooke. Canada.

Postdoctoral Fellow. (2017-2018). Université de Lausanne. Switzerland.

Teaching Assistant. (2017-2018). Université de Lausanne. Switzerland.

Teaching Assistant and Recitation Leader. (2016-2016). Stanford University. United States.

Laboratory Instructor. (2016-2016). Stanford University. United States.

Teaching Assistant. (2016-2016). Stanford University. United States.

Teaching Assistant and Laboratory Instructor. (2012-2012). Stanford University. United States.

Research Fellow. (2011-2011). Marine Biological Laboratory. United States.

Research Associate. (2009-2010). Massachusetts Institute of Technology. United States.

Biogeography research assistant. (2008-2008).

Geochemistry Research Assistant. (2006-2008). Wellesley College. United States.

Research Assistant. (2007-2007).

Prix et distinctions

  • Canada Research Chair in Environmental and Soil Biogeochemistry. Natural Sciences and Engineering Research Council of Canada (NSERC). (Prize / Award).
  • Certificate of Achievement in Mentoring in the School of Earth, Energy and Environmental Sciences, Stanford University. Stanford University. (Prize / Award).
  • International Symposium on Persistent Toxic Substances Best Platform Presentation Award. International Society of Persistent Toxic Substances. (Prize / Award).
  • Soil Science of America Student Talk Award, 1st Place. Soil Science Society of America. (Prize / Award).

Financement

  • Research Chair. (Awarded). Principal Applicant. Canada Research Chair in Soil and Environmental Biogeochemistry. Canada Research Chairs (CRC). 500 000 $. (2019-2024)
  • Grant. (Completed). Principal Applicant. Influence of Organic Compounds on Reactivity of Biogenic Mn Oxides. Paul Scherrer Institut. Swiss Light Source Proposal for Beamline Access. 100 000 $. (2017-2018)
  • Grant. (Completed). Principal Applicant. Using microfluidics to probe spatial coupling of chromium and manganese cycling. Stanford University (California, USA). McGee Grant. 8 000 $. (2016-2016)

Publications

Articles de revue

  • Hausladen D.M., S.H. Fakhreddine, S. Fendorf. (2019). Governing Constraints of Chromium(VI) Formation from Chromium(III)-bearing Minerals in Soils and Sediments. Soil Systems (Submitted).
  • Hausladen, D.M., A. Alexander-Ozinskis*, C. McClain, S. Fendorf *Graduate mentee. (2018). Hexavalent Chromium Sources and Distribution in California Groundwater. Environ. Sci. Technol. 52 (15), 8242-8251. (Published).
  • Hausladen, D.M. and S. Fendorf. (2017). Hexavalent Chromium Generation within Naturally Structured Soils and Sediments. Environ. Sci. Technol. 51 (4), 2058-2067. (Published).
  • Janot N., J.S. Lezama Pacheco, D.Q. Pham, T.M. O’Brien, D.M. Hausladen, V. Noël, K. Maher, S. Fendorf, K.H. Williams, P.E. Long, J.R. Bargar. (2016). Physico-chemical heterogeneity of organic-rich sediments in the Rifle aquier, CO: Impact on uranium biogeochemistry. Environ. Sci. Technol. 50 (15), 46-53. (Published).

Rapports

  • Hausladen, D.M. (2017). Physical and biogeochemical constraints on hexavalent chromium generation within soils and sediments. Stanford University. 158 p.

Articles de conférence

  • Hausladen D, Zelano I, Keiluweit M & Peña J. (2019). Abiotic Transformation of Plant-Derived Carbon by Mn Oxides: Breakdown of Cellobiose by δ-MnO2. Goldschmidt Abstracts, 1299.
  • Pena J, Sentchilo V, Hausladen D & Ayala H. (2018). Relationship between carbon availability and biogenic manganese oxide formation. Goldschmidt Abstracts, (Published).
  • Hausladen, D.M and J. Peña. (2017). Coupled Dynamics of Carbon and Manganese: Influence of Organic Compounds on Reactivity of Biogenic Mn Oxides. Goldschmidt Abstracts, (Published).
  • Janot N., Lezama-Pacheco J.S., Pham D.Q., O'Brien T.M., Hausladen D.M., Williams K.H., Long P.E., Fendorf S. and J.R. Bargar. (2015). Characterization and impact of organic-rich sediments on uranium behavior in the Rifle aquifer, CO. Goldschmidt Abstracts, (Published).
  • Hausladen D.M., M.G. Arredondo*, and S. Fendorf. *undergraduate mentee. (2015). Chromium au Naturel: Chromium(VI) Generation within Structured Soils and Sediments. Goldschmidt Abstracts, (Published).
  • Hausladen, D.M., & Fendorf, S. E. (2015). Surface Reactions Limiting Chromium (VI) Generation from Naturally Derived Chromium (III) Minerals. American Geophysical Union Fall Meeting Abstracts, (Published).
  • Garcia Arredondo*, M., Hausladen, D.M., Ying, S., & Fendorf, S. *undergraduate mentee. (2014). Chromium Mobilization by Microbially-Driven Iron and Manganese Redox Cycling. American Geophysical Union Fall Meeting Abstracts, (Published).
  • Hausladen, D.M., S. Mitsunobu, and S. Fendorf. (2014). Spatial Coupling of Chromium and Manganese Cycling: Visualizing Microbial Communities within Complex Chemical Environments. Goldschmidt Abstracts, (Published).

Autres contributions

Gestion d'évènements

  • Co-organizer. (2016) Stanford Synchrotron Radiation Lightsource Users’ Conference. (Conference).
  • Co-organizer. (2015) Stanford Synchrotron Radiation Lightsource Users’ Conference. (Conference).
  • Student Organizer. (2015) Goldschmidt Conference. (Conference).

Activités de collaboration internationale

  • Consultant. Cambodia. Arsenic in Drinking Water Collaboration with Research Development International, Non-profit organization, Phnom Penh, Cambodia on.

Présentations

  • (2019). From rock to tap: Expanding our understanding of hexavalent chromium sources in drinking water. Soils Across Latitudes International Conference. San Diego, United States
  • (2018). Control of organic compounds on Mn-oxide reactivity: Implications for contaminant transport and cycling. Journées Biennales des Géosciences et de l’Environnement. Lausanne, Switzerland
  • (2018). Stability and reactivity of biogenic Mn oxides in the presence of natural organic matter. Interfaces Against Pollution International Conference. La Grande Motte, France
  • (2017). Competitive microbial and geochemical processes controlling the fate of chromium. Faculty of Geosciences and Environment Seminar, University of Lausanne. Leysin, Switzerland
  • J. Peña. (2017). Coupled Dynamics of Carbon and Manganese: Influence of Organic Compounds on Reactivity of Biogenic Mn Oxides. Goldschmidt. Paris, France
  • Fakhreddine, S. (2017). Governing Constraints of Chromium(VI) Formation from Chromium(III)-bearing Minerals in Soils and Sediments. Invited Workshop at Technical University of Denmark. Lyngby, Denmark
  • (2017). Influence of organic compounds on the fate of Mn oxide nanoparticles. International Conference on the Biogeochemistry of Trace Elements. Zurich, Switzerland
  • M.G. Arredondo (undergrad mentee), and S. Fendorf. (2015). Chromium au Naturel: Chromium(VI) Generation within Structured Soils and Sediments. Goldschmidt Conference. Prague, Czech Republic
  • (2015). Spatial coupling of chromium and manganese cycling: Generation of hexavalent chromium within soils and sediments. International Symposium on Persistent Toxic Substances. Riverside, United States
  • Fendorf, S. E. (2015). Surface Reactions Limiting Chromium (VI) Generation from Naturally Derived Chromium (III) Minerals. American Geophysical Union. San Francisco, United States
  • (2015). X-ray microprobe imaging of Cr and Mn in structured soils. Stanford Synchrotron Radiation Lightsource Users Meeting. Menlo Park, United States
  • (2014). Bacterial Dynamics Controlling Chromium Cycling within Soil Aggregates. ASA-CSSA-SSSA International Annual Meetings Student Award Presentation. Long Beach, United States
  • (2014). Dynamic interplay of microbially mediated oxidation-reduction reactions controlling chromium cycling in soils and sediments. International Symposium on Subsurface Microbiology. Asilomar, United States
  • S. Mitsunobu, and S. Fendorf. (2014). Spatial Coupling of Chromium and Manganese Cycling: Visualizing Microbial Communities within Complex Chemical Environments. Goldschmidt Conference. Sacramento, United States
  • (2014). Visualizing spatial distribution of biogenic Mn-oxides within Cr-/Fe-oxide soil aggregates using u-XRF-imaging. Stanford Synchrotron Radiation Lightsource Users Meeting. Menlo Park, United States
  • (2013). Community Matters: How Microbially-Mediated Redox Reactions Impact Chromium Cycling within Soil Aggregates. Institute for Environmental Sciences Seminar, University of Shizuoka. Shizuoka, Japan
  • (2013). Oxidation of mixed Cr-Fe hydroxides by birnessite. ASA-CSSA-SSSA International Annual Meetings. Tampa, United States