Research Interests

Biogeochemistry | Soil Carbon Modeling | Microbial Dynamics | Numerical Methods | Chemical Kinetics

Postdoc in Earth System Science, Stanford University, 2018–2020

Ph.D. in Chemical Engineering, University of California, Berkeley, 2018

B.S. in Chemical Engineering, University of Minnesota, 2012

 

 

Pellegrini A. F. A. , Reich P. B., Hobbie S. E., Coetsee C., Wigley B., February E., Georgiou K., Terrer C., Brookshire E. N. J., Ahström A., Nieradzik L., Sitch S., Melton J. R., Forrest M., Li F., Hantsen S., Burton C., Yue C., Ciais P., Jackson R. B. Determinants of the capacity of dryland ecosystems to store soil carbon under altered fire regimes. Nature Climate Change (2023).

Villarino S. H., Talab E., Contisciani L., Videla C., Di Geronimo P., Mastrángelo M. E., Georgiou K., Jackson R.B., Piñeiro G. A large nitrogen supply from the stable mineral-associated soil organic matter fraction. Biology and Fertility of Soils, 1-9 (2023).

Wolf J., Asch J., Tian F., Georgiou K., Ahlström A. Canopy responses of Swedish primary and secondary forests to the 2018 drought. Environmental Research Letters, 18 (6), 064044 (2023).

Slessarev E., Mayer A., Kelly C., Georgiou K., Pett-Ridge J., Nuccio E. Initial soil organic carbon stocks govern changes in soil carbon: reality or artifact? Global Change Biology, 29 (5), 1239-1247 (2023).

Georgiou K., Jackson R. B., Vindušková O., Abramoff R. Z., Ahlström A., Feng W., Harden J. W., Pellegrini A. F. A., Polley H. W., Soong J. L., Riley W. J., Torn M. S. Global stocks and capacity of mineral-associated soil organic carbon. Nature Communications, 13 (1), 1-12 (2022). ++ Top 25 Nature Communications Earth, Environmental and Planetary Sciences Articles of 2022

Pierson D., Lohse K. A., Wieder W. R., Patton N. R., Facer J., de Graaff M-A., Georgiou K., Seyfried M. S., Flerchinger G., Will R. Optimizing process-based models to predict current and future soil carbon stocks and pools at high-resolution. Scientific Reports, 12 (1), 1-15 (2022).

Sokol N. W., Whalen E., Jilling A., Kallenbach C., Pett-Ridge J., Georgiou K. The global distribution of mineral-associated soil organic matter, its formation and fate under a changing climate. Functional Ecology, 36, 1411-1429 (2022). 

Pellegrini A. F. A., Harden J. W., Georgiou K., Hemes K. S., Malhotra A., Nolan C. J., Jackson R. B. Fire effects on the persistence of soil organic matter and the implications for long-term carbon storage. Nature Geoscience, 15: 5–13 (2022).

Kristensen J. A., Svenning J-C., Georgiou K., Malhi Y. Can large herbivores stabilize ecosystem carbon? Trends in Ecology & Evolution, 37 (2), 117-128 (2022).

Abramoff R. Z., Guenet B., Zhang H., Georgiou K., Xu X., Viscarra Rossel R. A., Yuan W., Ciais P. Site-level simulations of measureable soil fractions with Millennial Version 2. Soil Biology & Biochemistry, 164, 108466 (2022).

Georgiou K., Malhotra A., Wieder W. R., Ennis J. H., Hartman M. D., Sulman B. N., Berhe A. A., Grandy A. S., Kyker-Snowman E., Lajtha K., Moore J. A. M., Pierson D., Jackson R. B. Divergent controls of soil organic carbon between observations and process-based models. Biogeochemistry Letters, 1-14 (2021). 

Pellegrini A. F. A., Caprio A. C., Georgiou K., Finnegan C., Hobbie S. E., Hatten J. A., Jackson R. B. Low-intensity frequent fires in coniferous forests transform soil organic matter in ways that may offset ecosystem carbon losses. Global Change Biology, 27:3810–3823 (2021).

Billings S. A., Lajtha K., Malhotra A., Berhe A. A., de Graaff M.-A., Earl S., Fraterrigo J., Georgiou K., Grandy A. S., Hobbie S., Moore J. A. M., Nadelhoffer K., Pierson D., Rasmussen C., Silver W., Sulman B., Weintraub S., Wieder W. Soil organic carbon is not just for soil scientists: Measurement recommendations for diverse practitioners. Ecological Applications, 31 (3), e02290 (2021).

Abramoff R. Z., Georgiou K., Guenet B., Torn M. S., Huang Y., Zhang H., Feng W., Jagadamma S., Kaiser K., Kothawala D., Mayes M. A., Ciais P. How much carbon can be added to soil by sorption? Biogeochemistry Letters, 152 (2), 127-142 (2021). 

Walker A. P., Bastos A., De Kauwe M. G., Georgiou K., Keeling R., McMahon S., Medlyn B., Moore D., Norby R., Zaehle S., Anderson‐Teixeira K., Battipaglia G., Brienen R., Cabugao K., Cailleret M., Campbell E., Canadell J., Ciais P., Craig M., Ellsworth D., Farquhar G., Fatichi S., Fisher J., Frank D., Graven H., Gu L., Haverd V., Heilman K., Heimann M., Hungate B., Iversen C., Joos F., Jiang M., Keenan T., Knauer J., Körner C., Leshyk V., Leuzinger S., Liu Y., MacBean N., Malhi Y., McVicar T., Penuelas J., Pongratz J., Powell A., Riutta T., Sabot M., Schleucher J., Sitch S., Smith W., Sulman B., Taylor B., Terrer C., Torn M., Treseder K., Trugman A., Trumbore S., van Mantgem P., Voelker S., Whelan M., Zuidema P. Integrating evidence for CO2 fertilization of the terrestrial carbon sink. Tansley Review in New Phytologist, 229 (5), 2413-2445 (2020).

Wieder W. R., Pierson D., Earl S., Lajtha K., Baer S., Ballantyne F., Berhe A. A., Billings S., Brigham L. M., Chacon S. S., Fraterrigo J., Frey S. D., Georgiou K., de Graaff M.-A., Grandy A. S., Hartman M., Hobbie S., Johnson C., Kaye J., Kyker-Snowman E., Litvak M., Mack M., Malhotra A., Moore J., Nadelhoffer K., Rasmussen C., Silver W., Sulman B., Walker X., Weintraub S. SoDaH: the SOils DAta Harmonization database, an open-source synthesis of soil data from research networks, version 1.0, Earth System Science Data, 13 (5), 1843-1854 (2020).

Dwivedi D., Tang J., Bouskill N. J., Georgiou K., Chacon S., & Riley W. J. Abiotic and biotic controls on soil organo-mineral interactions: Developing model structures to analyze why soil organic matter persists. Reviews in Mineralogy and Geochemistry, 85 (1), 329-348 (2019).

Abramoff R. Z., Torn M. S., Georgiou K., Tang J., Riley W. J. Spatial gradients can hide temperature sensitivity of soil organic matter stocks. Global Biogeochemical Cycles (2019).

Sulman B., Moore J., Abramoff R. Z., Averill C., Georgiou K., Kivlin S., Sridhar B., Hartman M., Wang G., Wieder W., Bradford M., Luo Y., Mayes M., Morrison E., Riley W. J., Salazar A., Schimel J., Tang J. Classen A. Multiple models and experiments underscore large uncertainty in soil carbon dynamics. Biogeochemistry, 141(2), 109-123 (2018).

Georgiou K., Harte J., Mesbah A., Riley W. J. A method of alternating characteristics with application to advection-dominated environmental systems. Computational Geosciences, 22(3), 851-865 (2018).

Castanha C., Zhu B., Hicks Pries C. E., Georgiou K., Torn M. S. The effects of heating, rhizosphere, and depth on root litter decomposition are mediated by soil moisture. Biogeochemistry, 137: 267 (2018).

Georgiou K., Abramoff R. Z., Harte J., Riley W. J., Torn M. S. Microbial community-level regulation explains carbon responses to long-term litter manipulations. Nature Communications, 8: 1223, 1-10 (2017). ++ Highlighted in Complex Systems Research Collection: Ecology and Evolution

Rammensee S., Kang M. S., Georgiou K., Kumar S., Schaffer D. V. Dynamics of Mechanosensitive Neural Stem Cell Differentiation. Stem Cells, 35, 497-506 (2017).

Luo Y., Ahlström A., Allison S., Batjes N., Bonan G., Brovkin V., Carvalhais N., Chappell A., Ciais P., Davidson E., Finzi A., Georgiou K., Hararuk O., Harden J., He Y., Hopkins F., Jiang L., Koven C., Jackson R., Jones C., Lara M., Liang J., McGuire A. D., Parton W., Peng C., Randerson J., Salazar A., Sierra C., Smith M., Tian H., Todd‐Brown K., Torn M., Van Groenigen K. J., Wang Y. P., West T., Wei Y., Wieder W., Xia J., Xu X., Zhou T. Towards More Realistic Projections of Soil Carbon Dynamics by Earth System Models. Global Biogeochemical Cycles, 30, 40-56 (2016).

Wieder W., Allison S., Davidson E., Georgiou K., Hararuk O., He Y., Hopkins F., Luo Y., Smith M., Sulman B., Todd-Brown K., Wang Y. P., Xia J., Xu X. Explicitly Representing Soil Microbial Processes in Earth System Models. Global Biogeochemical Cycles, 29, 1782-1800 (2015).

Georgiou K., Koven C., Riley W. J., Torn M. S. Towards improved model structures for analyzing priming: potential pitfalls of using bulk turnover time. Global Change Biology, 21, 4298-2302 (2015)

Koven C., Chambers J., Georgiou K., Knox R., Negron-Juarez R., Riley W. J., Arora V., Brovkin V., Friedlingstein P., Jones C. Controls on terrestrial carbon feedbacks by productivity versus turnover in the CMIP5 Earth System Models. Biogeosciences, 12, 5211-5228 (2015).

Pangburn, T.O., Georgiou, K., Bates, F.S., and Kokkoli, E. Targeted Polymersome Delivery of siRNA Induces Cell Death of Breast Cancer Cells Dependent upon Orai3 Protein Expression, Langmuir, 28, 12816-12830 (2012).

Georgiou K. and Georgiou T. T. Graceful switching in hybrid models. IEEE Conference on Decision and Control, 3882-3884 (2009).

 

• LLNL Physical Life Sciences Directorate Award for Excellence in Publication, 2022
• Lawrence Research Fellow, Lawrence Livermore National Laboratory, 2020–2023
• USDA NIFA Postdoctoral Fellow, Stanford University, 2018–2020
• DOE SCGSR Fellow, Lawrence Berkeley National Laboratory, 2017–2018
• NSF GRFP Fellow, University of California, Berkeley, 2013–2018
• Best Overall Student Oral Presentation, 6th International Symposium on SOM, Harpenden, UK, 2017
• Graduate Division Travel Grant, University of California at Berkeley, 2017
• UC Berkeley Outstanding Graduate Student Instructor Award (<10% of Instructors), Fall 2016
• UC Berkeley Outstanding Graduate Student Instructor Award (<10% of Instructors), Spring 2014 
• Graduate Division Travel Grant, University of California at Berkeley, 2015
• Cargill Chemical Engineering Award and Scholarship, University of Minnesota, 2011–2012 
• Paula Zoromski Memorial Scholarship, University of Minnesota, 2010–2012
• H. Ted Davis Chemical Engineering Award and Scholarship, University of Minnesota, 2010–2011