2020

The Influence of Native Soil Organic Matter and Minerals on Ferrous Iron Oxidation. Chen, Chunmei, and Aaron Thompson (2020): ASA-CSSA-SSSA International Annual Meeting, 9-13 November 2020

2020

Bioavailability of Phosphorus to Loblolly Pine (Pinus taeda L) and Red Maple (Acer rubrum L) in Clay and Saprolite from the Southeastern Piedmont, USA. Wang, Zhine, Aaron Thompson, Lori Sutter, and Daniel Markewitz (2020): ASA-CSSA-SSSA International Annual Meeting, 9-13 November 2020

2019

Length of Oxygen Exposure during Redox Oscillations Affects Rates of Iron Reduction, Anaerobic Carbon Mineralization, and Methane Emissions. Barcellos, Diego, Ashley Campbell, Jennifer Pett-Ridge, Aaron Thompson (2019): Soil Science Society of America International Soils Meeting, San Diego, CA, 6-9 January 2019

2019

Bioavailability of carbon in ferrihydrite-organic matter coprecipitates transformed by Fe (II)-catalyzed recrystalization. Noor, Nadia, Aaron Thompson, Zhe Zhou, Drew E. Latta, Michelle M. Scherer, Alain F. Plante, and Thomas Borch (2019): Soil Science Society of America International Soils Meeting, San Diego, CA, 6-9 January 2019

2019

Effect of Reaction Time of Fe (II) with Different C/Fe Ratio Containing Ferrihydrite-Natural Organic Matter Coprecipitate on the Bioavailability of Carbon. Noor, Nadia, Zhe Zhou, Drew E. Latta, Michelle M. Scherer, Alain F. Plante, Thomas Borch, and Aaron Thompson (2019): ASA-CSSA-SSSA International Annual Meeting, 10-13 Nov. 2019, San Antonio, Texas

2019

Predicting Saturated Hydraulic Conductivity with Rapid Estimates of Soil Microaggregation. Pachon, Julio C., Daniel Richter, Daniel Markewitz, Aaron Thompson, Anna Wade, Rachel Ryland, and Allan R. Bacon (2019): ASA-CSSA-SSSA International Annual Meeting, 10-13 Nov. 2019, San Antonio, Texas

2019

Controls of iron abundance and crystallinity on organomineral associations under contrasting long-term land use. Thompson, Aaron, Elizabeth K Coward, Daniel Markewitz, Daniel deB. Richter, Allan R Bacon, Alain F Plante (2019): American Geophysical Union Fall Meeting, San Francisco, CA, December 9-13, 2019

2019

Tree Phosphorus Uptake from Argillic and Saprolite Horizons in a Weathered Ultisol in the Calhoun Critical Zone Observatory, USA. Wang, Z., A. Thompson, L. Sutter, and D. Markewitz (2019): ASA-CSSA-SSSA International Annual Meeting, 10-13 Nov. 2019, San Antonio, Texas

2018

Short-range-ordered (SRO) iron minerals are dynamic, emergent representations of recent environmental conditions in soils . Thompson, Aaron (2018): American Geophysical Union 2018 Fall Meeting, Washington, DC, 10-14 Dec 2018 Cross-CZO

2017

Field measurements of soil iron and carbon cycling during spring warm-up in an aggrading pine forest at the Calhoun CZO. Barcellos, D, C Hodges, D Markewitz, E. Ardington, and A Thompson (2017): Soil Science Society of America International Annual Meeting, Tampa, FL, 22-25 Oct. 2017

2017

Hot spots and hot moments for redox, iron and carbon cycling in soils across Luquillo and Calhoun CZOs. Barcellos, D., and Thompson, A. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017 Cross-CZO

2017

Drivers of redox, iron and carbon in soils from the Calhoun CZO. Barcellos, Diego, Dan Markewitz, Caitlin Hodges, Aaron Thompson (2017): Calhoun CZO 2017 Summer Science Meeting, Union, SC, 17-18 May 2017

2017

Monitoring hot spots and hot moments of redox, iron and carbon cycling in Puerto Rican soils. Barcellos, Diego, Whendee Silver, Christine S. O’Connell, Nadia Noor, and Aaron Thompson (2017): Goldschmidt - Geochemical Conference, Paris, France, Aug 2017

2017

The impact of O2 concentrations and organic matter on Fe(II) oxidation and the resulting Fe(III) solids in the presence of Fe/Al oxide sorbents. Chen, C., and Thompson, A. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017

2017

Iron reduction potential in upland soils in CCZO. Chen, Chunmei, Nadia Noor, Diego Barcellos, Caitlin Hodges, and Aaron Thompson (2017): Calhoun CZO 2017 Summer Science Meeting, Union, SC, 17-18 May 2017

2017

Soil organic matter stabilization by Fe-C interactions in temperate and tropical soils: A cross-CZO comparison. Coward, E.K., Thompson, A., and Plante, A.F. (2017): Critical Zone Science: Current Advances and Future Opportunities, Arlington, VA, 4-6 June, 2017 Cross-CZO

2017

Water and carbon influence the distribution of iron reduction at the Calhoun CZO. Hodges, C., Mallard, J., Markewitz, D., and Thompson, A. (2017): University of Georgia Plant and Soil Symposium, Athens, GA

2017

Seasonal variation of Fe reduction at the Calhoun CZO. Hodges, Caitlin, John Mallard, Dan Markewitz, Aaron Thompson (2017): Calhoun CZO 2017 Summer Science Meeting, Union, SC, 17-18 May 2017

2017

Iron cycling under oscillatory redox conditions: from observations to processes (Invited). Meile, Christof D, Chunmei Chen, Diego Barcellos, Jared Wilmoth, Aaron Thompson (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017

2017

A new way to look at soil aggregation and aggregating particles: What laser diffraction tells us. Pachon, Julio, Allan Bacon, Kayci Kowalski, and Joshua Butterick, Dan Richter, Aaron Thompson, Madison K. Akers, Joshua Cucinella, Rosvel Bracho-Garrillo, John M. Davis, Sabine Grunwald, Eric J Jokela, Michael Kane, Marshall A. Laviner, Daniel Markewitz, Timothy Martin, Gary F. Peter, C. Wade Ross, and Jason G. Vogel (2017): Southeastern Biogeochemistry Symposium, Athens, GA, 31 March-2 April 2017

2017

Differential chemical fractionation of dissolved organic matter during sorption by Fe mineral phases in a tropical soil from the Luquillo Critical Zone Observatory. Plante, Alain F., Elizabeth Coward, Tsutomu Ohno, Aaron Thompson (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017

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

2017

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

2017

Erosion alters depth to the argillic horizon: What impacts on hillslope interflow?. Ryland, Rachel, Daniel Markewitz, David E. Radcliffe, Aaron Thompson, and Lori Sutter (2017): Soil Science Society of America 2017 Annual Meeting, Tampa, FL

2017

A HYDRUS 2D evaluation of altered depths to the argillic horizon due to erosion: What impacts on hillslope interflow?. Ryland, Rachel, David Radcliffe, Daniel Markewitz, and Aaron Thompson (2017): Proceedings of the 2017 Georgia Water Resources Conference

2017

The potential for iron reduction in upland soils in Calhoun Critical Zone Observatory. Thompson, Aaron, Chunmei Chen, Nadia Noor, Caitlin Anne Hodges, Diego Barcellos, Daniel deB. Richter (2017): American Geophysical Union 2017 Fall Meeting, New Orleans, Louisiana, 11-15 December 2017

2017

Key features of redox fluctuating soils that influence iron cycling. Thompson, Aaron; Meile, Christof; Wilmoth, Jared; Barcellos, Diego; Chen, Chunmei; Ginn, Brian; Hodges, Caitlin (2017): American Chemical Society National Meeting, San Francisco, CA, 2-6 April 2017

2017

Influence of land-use on the abundance of soil mineral reactivity at the Calhoun CZO. Villanueva, R.C., Mantripragada, N., and Thompson, A. (2017): University of Georgia Young Scholars Conference, Athens, GA

2016

Soil iron reduction and carbon mineralization in reconstructed aggregates during redox fluctuations. Barcellos D, Silver W, Pett-Ridge J, Thompson A (2016): Goldschmidt - Geochemical Conference. Yokohama, Japan

2016

Soil organic matter stabilization by Fe-C interactions in temperate and tropical soils: A cross-CZO comparison. Coward, E.K., Thompson, A., Markewitz, D., Richter, D. deB., and Plante, A.F. (2016): Soil Science Society of America Annual Meeting, Phoenix, AZ, 6-9 November 2016 Cross-CZO

2016

Probing iron reduction from cm to km scales in forested ecosystems. Hodges, C., and A. Thompson (2016): Soil Science Society of America Annual Meeting, Minneapolis, MN

2016

Linking spatial and temporal patterns of soil moisture with iron reduction at the Calhoun CZO. Hodges, C., D. Markewitz, and A. Thompson (2016): Soil Science Society of Georgia Annual Meeting, Athens, GA

2016

Linking spatial and temporal patterns of soil moisture with iron reduction at the Calhoun CZO. Hodges, C., D. Markewitz, and A. Thompson (2016): University of Georgia Agronomy Graduate Student Association Annual Poster Session, Athens, GA

2016

Temporal variation of water and carbon influence the distribution of upland iron reduction in soils. Hodges, C., Mallard, J., Markewitz, D., Thompson, A., and McGlynn, B. (2016): Soil Science Society of America Annual Meeting, Phoenix, AZ, 6-9 November 2016

2016

Soil Particle Size Distribution and Landscape Position. Osota, E.O.; Ryland, R; Thompson, A. (2016): University of Georgia] Undergraduate Research Symposium, Athens, GA

2016

Soil Particle Fractionation Variances by Depth and Toposequence at Calhoun CZO. Powell, I.; Ryland, R.; Thompson, A. (2016): University of Georgia Young Scholar Program, Athens, GA

2016

Mapping depth to argillic horizon using electromagnetic induction on historically farmed soils within the Piedmont region of the United States. Ryland, R., D. Markewitz, and A. Thompson (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA

2016

Mapping depth to argillic horizons using electromagnetic induction on historically farmed soils within the Piedmont region of the United States. Ryland, R., Markewitz, D., and Thompson, A. (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA

2016

The role of redox variability in structuring iron cycling in soils. Thompson, A. (2016): Georgia Tech Environmental Science and Technology Sympoium Series, Atlanta, GA

2016

Can we predict iron reduction rates across terrestrial ecosystems?. Thompson, A. (2016): Telluride Summer Science Series, Telluride, CO

2016

Depth variation of iron crystallinity at the Calzone. Thompson, A. (2016): Calhoun CZO 2016 Summer Science Meeting, Clinton, SC

2016

The multiple roles of short-range-ordered iron minerals in soils. Thompson, A. (2016): Cornell University Biogeochemistry Seminar Series, Ithaca, NY

2016

Representation of diffusion controlled carbon stabilization in reactive transport models. Thompson, A., Druhan, J.L., Keiluweit, M., Wagai, R., Plante, A.F., Lawrence, C.R., Berhe, A.A., Sierra, C.A., Rasmussen, C., Marin-Spiotta, E., Blankinship, J.C., Schimel, J., Heckman, K.A., Crow, S.E., and Wieder, W.R. (2016): American Geophysical Union 2016 Fall Meeting, San Francisco, CA Cross-CZO

2015

Iron reduction and carbon dynamics during redox fluctuations in soil slurries from Luquillo CZO (Puerto Rico). Barcellos D, Silver W, Pett-Ridge J, Thompson A (2015): American Geophysical Union Meeting, San Francisco, California, USA

2015

Iron reduction rates and carbon mineralization in a soil from Puerto Rico. Barcellos D, Wilmoth J, Cycle T, Thompson A (2015): Goldschmidt - Geochemical Conference, Prague, Czech Republic

2015

Quantification of colloidal vs aqueous element transfer in soils: The dualphase mass balance model. Bern, C.R., Thompson, A., and Chadwick, O. A. (2015): Geochemica et Cosmochimica Acta.

2015

Fe-C associations and soil organic matter stability in two tropical soils of contrasting parent materials . Coward, L., Thompson, A., and Plante, A.F. (2015): Soil interfaces for sustainable development (ISMOM 2015), a joint meeting of Commission 2.5 of the International Union of Soil Science, Canadian Society of Soil Science, Association québécoise des spécialistes en sciences du sol, Montréal, Canada.

2015

Using Electromagnetic Induction to Determine Spatial and Temporal Patterns of Iron Reduction at the Calhoun CZO. Hodges, C., Markewitz, D., and Thompson, A. (2015): Calhoun CZO 2015 Summer Science Meeting

2015

Linking spatial and temporal patterns of soil moisture with upland soil iron reduction. Hodges, C.; Markewitz, D.; Thompson, A. (2015): American Geophysical Union Fall Meeting, December 2015, San Francisco, CA

2015

Depth Variation of Soil Iron Crystallinity at the Calhoun Critical Zone Observatory. Thompson A, Barcellos D, Wilmoth J, & Richter D (2015): Goldschmidt Conference, Prague, CZ

2015

Oxygen flux modulates net rates of Fe reduction and Fe solid phase composition in redox dynamic soils. Thompson A., and Wilmoth, J. (2015): American Chemical Society National Meeting, Denver, CO

2015

Behavior of natural iron nanoparticles in soils. Thompson, A. (2015): Georgia State University Geology Seminar Series, Atlanta, GA

2015

Iron dynamics at the Luquillo and Calhoun Critical Zone Observatories: Proposed linkages to C cycling. Thompson, A. (2015): University of Vermont Biogeochemistry Symposium Series Cross-CZO

2015

Chemical behavior of natural iron nanoparticles in soils. Thompson, A. (2015): University of Georgia Chemistry Seminar Series, Athens, GA

2015

Critical zone research at the University of Georgia. Thompson, A. (2015): Departmental Seminar, University of Padua

2015

Depth Variation of Soil Iron Crystallinity at the Calhoun Critical Zone Observatory. Thompson, A., Barcellos, D., Wilmoth, J., and Richter, D. (2015): Calhoun CZO 2015 Summer Science Meeting

2015

Delineating climatic regions where upland soil iron reduction is potentially important at the ecosystem scale. Thompson, A.; Hodges, C.; Chadwick, O. (2015): American Geophysical Union Fall Meeting, December 2015, San Francisco, CA

2015

57Fe isotope labeling of reactive Fe solid phases during redox transitions in a tropical forest soil using variable temperature Mössbauer spectroscopy. Wilmoth, J. and Thompson, A. (2015): Southeastern Biogeochemistry Symposium, 2015. Atlanta, GA,.

2014

Soil carbon and Iron . Aaron Thompson (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR

2014

Linkages between soil Fe reduction rates and the characteristics of redox fluctuations at the Luquillo CZO, Puerto Rico. Barcellos D, Wilmoth J, Thompson A (2014): All Hands Meeting for the Critical Zone Observatories (CZO) network, Merced, California, USA

2014

Redox fluctuations and carbon stabilization in a tropical soil from Puerto Rico. Barcellos D, Wilmoth J, Thompson A (2014): Plant and Soil Graduate Symposium, University of Georgia, Athens, Georgia

2014

Fe-C interactions and soil organic matter stability in two tropical soils of contrasting parent materials. Elizabeth Coward, Aaron Thompson (2014): AGU Fall Meeting. San Fransisco, CA

2014

Effects of sample storage on microbial Fe reduction in tropical rainforest soils. Ginn, B. R., Habteselassie, M. Y., Meile, C., and Thompson, A. (2014): Soil Biology and Biochemistry

2014

Iron: A Biogeochemical Engine That Drives Carbon, Nitrogen, and Phosphorus Cycling in Humid Tropical Forest Soils. Whendee Silver, Steven Hall, Aaron Thompson, Wendy Yang (2014): AGU Fall Meeting. San Fransisco, CA