Post-doctoral Researcher, University of Georgia
PhD, Geological Sciences, University of Georgia, 2012
Phone/Address706 542 2652
Quantification of Mixed-Layer Clays in Multiple Saturation States Using NEWMOD2: Implications for the Potassium Uplift Hypothesis in the SE United States. Austin, J.C., Richter, D.D. & Schroeder, P.A. (2020): Clays and Clay Minerals
Soil production and the soil geomorphology legacy of Grove Karl Gilbert. Richter, Daniel D., Martha-Cary Eppes, Jason C. Austin, Allan R. Bacon, Sharon A. Billings, Zachary Brecheisen, Terry A. Ferguson, Daniel Markewitz, Julio Pachon, Paul A. Schroeder, Anna M. Wade (2020): Soil Science Society of America Journal 84(1): 1-20
A coupled microscopy approach to assess the nano-landscape of weathering. Lybrand, Rebecca A., Jason C. Austin, Jennifer Fedenko, Rachel E. Gallery, Erin Rooney, Paul A. Schroeder, Dragos G. Zaharescu, & Odeta Qafoku (2019): Scientific Reports 9: Article number 5377 Cross-CZO
A correlative bimodal surface imaging method to assess hyphae-rock interactions. Qafoku, Odeta, Rebecca A. Lybrand, Vaithiyalingam Shutthanandan, Rachel E. Gallery, Jason C. Austin, Paul A. Schroeder, Jennifer Fedenko, Erin Rooney, and Dragos G. Zaharescu (2019): Microscopy and Microanalysis, 25(S2), 2436-2437 Cross-CZO
Modifications of 2:1 clay minerals in a kaolinite dominated Ultisol under changing land-use regimes. Austin, Jason C., Amelia Perry, Daniel D. Richter, and Paul A. Schroeder (2018): Clays and Clay Minerals 66(1): 61-73
Assessment of Pedogenic Gibbsite as a Paleo-PCO2 Proxy Using a Modern Ultisol. Austin, J.C., and P.A. Schroeder (2014): Clays and Clay Minerals 62(4): 253-266
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Biological Cycling of Potassium by Roots as a Control on Mixed-layer Clays. Austin, Jason, Paul A Schroeder, Daniel deB. Richter (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
Rethinking the Development of the Piedmont Uplands of Southeastern North America: Pleistocene Age Colluvium and Organic-Rich Sediments Dating from Early MIS 3 to MIS 5. Ferguson, Terry A., Allan R Bacon, Martha C Eppes, Daniel deB. Richter, Debra A Willard, Michelle Nelson, Sharon A Billings, Jason Austin (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019
Re-investigation of a colluvially filled valley containing deeply buried organic-rich sediments of pleistocene age, Pauline, South Carolina. Ferguson, Terry A., Allan R. Bacon, Martha C. Eppes, Daniel D. Richter, Debra A. Willard, Sharon A. Billings, Jason C. Austin, Michelle S. Nelson, Alexander Cherkinsky (2019): Geological Society of America Southeastern Section Annual Meeting, Charleston, South Carolina, 28–29 March 2019
Ice Formation and Microbes: A Microscale Perspective on Interactive Biophysical Weathering Agents in the Critical Zone. Lybrand, Rebecca, George Dragos Zaharescu, Jason Austin, Swarup China, Rachel E. Gallery, Paul A. Schroeder, Daniel Veghte, and Odeta Qafoku (2019): ASA-CSSA-SSSA International Annual Meeting, 10-13 Nov. 2019, San Antonio, Texas Cross-CZO
Identifying the organic and inorganic products of incipient weathering in natural environments. Lybrand, Rebecca, Jason Austin, Rosalie Kae Chu, Odeta Qafoku, Tom Resch, Erin Rooney, Paul A Schroeder, Malak M Tfaily, Jason Toyoda, Vaithiyalingam Shutthanandan, Dragos George Zaharescu, Maya Bergmann, Benjamin Pierce, Rachel E Gallery (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019 Cross-CZO
Quantification of mixed‐layer clays in multiple saturation states using NEWMOD2: Implications for the potassium uplift hypothesis. Schroeder, Paul A., Daniel D. Richter, and Jason C. Austin (2019): EuroClay 2019, Paris, France, 1-5 July 2019
Time-series measurements of deep soil profile O2, CO2, soil moisture, and aboveground precipitation highlight differential rooting across landuse history treatments at the Calhoun Critical Zone Observatory. Brecheisen, Z.S., D. deB. Richter, C.W. Cook, P. Heine, J. Austin (2018): American Geophysical Union 2018 Fall Meeting, Washington, DC, 10-14 Dec 2018
Clay mineral alterations in response to land-use change in the kaolinite dominated residual soil of the Calhoun Critical Zone Observatory. Austin, J.C.; Schroeder, P.A.; Perry, A. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017
Cross-scale perspectives on mineral weathering in the Critical Zone (Invited Presentation). Lybrand, Rebecca, Jason Austin, Paul A. Schroeder, Dragos Zaharescu, Rachel Gallery (2017): Geological Society of America Annual Meeting, Seattle, WA, 22-25 October, 2017 Cross-CZO
Calhoun CZO as an ancient geobiologic and land-use altered time machine. Richter, D. deB., J. Wang, R. Bras, D. Markewitz, D. Nelson, J. Austin, P. Schroeder, S.A. Billings, K. O’Neill, J. Giesen, W.S. Holbrook, and B. Carr (2017): Critical Zone Science: Current Advances and Future Opportunities, workshop in Arlington, VA, 4-6 June, 2017
Gilbert’s soil production paradigm and a critical zone’s size-dependent fractionation of particles. Richter, D.deB., J. Austin, R. Anderson, A. Bacon, S. Brantley, Z. Brecheisen, A. Cherkinsky, W.S. Holbrook, V. Marcon, J.Pachon, P. Schroeder, A. Thompson, and A. Wade (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017 Cross-CZO
Gilbert's soil production paradigm applied to a critical zone's fractionation of particle sizes. Richter, Daniel deB., Jason Austin, Robert S Anderson, Allan R Bacon, Susan L Brantley, Zachary Brecheisen, Paul A Schroeder, Anna Wade, W. Steven Holbrook, Virginia Marcon, Aaron Thompson (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017 Cross-CZO
Quantifying mineral transformations in the Calhoun Critical Zone Observatory (CCZO): What is it and how much is there?. Schroeder, Paul A., Jason C. Austin, and Daniel deB. Richter (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017
Clay mineralogy of the deep core. Austin, J.C. (2016): Calhoun CZO 2016 Summer Science Meeting, Clinton, SC
Changes in clay mineralogy of the Calhoun related to changes in land-use. Austin, J.C. (2016): Calhoun CZO 2016 Summer Science Meeting, Clinton, SC
Semi-quantitative deep regolith clay mineralology of the Calhoun Critical Zone Observatory using NEWMOD 2. Austin, J.C.; P.A. Schroeder; and D.deB. Richter (2016): Clay Minerals Society Annual Meeting, Atlanta, GA
Clay mineral concentration with depth and land use history in the critical zone in Calhoun, South Carolina. Moraes, Anthony, Schroeder, Paul A. and Austin, Jason (2016): Geological Society of America Annual Meeting in Denver, Colorado, USA
Deep regolith bulk mineralogy of the Calhoun Critical Zone Observatory using x-ray powder diffraction. Schroeder, P.A.; J.C. Austin; and D.deB. Richter (2016): Clay Minerals Society Annual Meeting, Atlanta, GA
Preliminary interpretations of differences in the clay mineralogy of the Calhoun CZO between ‘pristine’ and eroded soils at the Long-Term Pine Plots. Austin, J.C., and P.A. Schroeder (2015): Calhoun CZO 2015 Summer Science Meeting
09 Feb 2018 - Geophysics, Geochemistry, and Biogeochemistry of the Southern Piedmont Critical Zone
01 May 2017 - Anna Wade (visiting from Duke University) and Jay Austin (based at the University of Georgia) are collaborating by using X-ray Diffraction (XRD) to...
17 Oct 2016 - Eight soil pits were installed at the Calhoun CZO on 17-18 October 2016 for easy access for soil sampling down to 2 meters. Photo: Will Cook.
17 Aug 2016 - On August 17, 2016 a crew from Georgia Tech led by graduate student Yao Tang and professor Jingfeng Wang, with a little help from the folks at Duke,...
14 Jul 2016 - Another Calhoun CZO record - gas reservoirs installed at 8.5m depth! Jay Austin, Zach Brecheisen, and Dan Richter only stopped at 8.5m because they...
13 Jul 2016 - On July 13, 2016, Duke PhD candidate Zach Brecheisen, with assistance from his advisor Dan Richter and Jay Austin, installed TDR probes at 25-cm...
Calhoun CZO, Union Co., SC.
Clays in the Critical Zone: soils, weathering and elemental cycling