Dr. Cristian Estop Aragonés

Research Articles (Journals)

2024

• Heffernan, L., Estop-Aragonés, C., Kuhn, M.A., K.-H., Knorr, and Olefeldt, D. 2024. “Changing climatic controls on the greenhouse gas balance of thermokarst bogs during succession after permafrost thaw.” Global Change Biology, № 30 (7) doi: 10.1111/gcb.17388.

2022

• Kuhn, MA, Schmidt, M, Heffernan, L, Stührenberg, J, Knorr, K, Estop-Aragonés, C, Broder, T, Gonzalez Moguel, R, Douglas, PMJ, and Olefeldt, D. 2022. “High ebullitive, millennial-aged greenhouse gas emissions from thermokarst expansion of peatland lakes in boreal western Canada.” Limnology and Oceanography, № 68 (2): 498–513. doi: 10.1002/lno.12288.
• Heffernan, L., Cavaco, M.A., Bhatia, M.P., Estop-Aragonés, C., Knorr, K.H., and Olefeldt, D. 2022. “High peatland methane emissions following permafrost thaw: enhanced acetoclastic methanogenesis during early successional stages.” Biogeosciences, № 19 (12): 3051–3071. doi: 10.5194/bg-19-3051-2022.
• Estop-Aragonés, C, Heffernan, L, Knorr, K-H, and Olefeldt, D. 2022. “Limited Potential for Mineralization of Permafrost Peatland Soil Carbon Following Thermokarst: Evidence From Anoxic Incubation and Priming Experiments.” Journal of Geophysical Research: Biogeosciences, № 127 (12): e2022JG006910–e2022JG006910. doi: 10.1029/2022JG006910.

2021

• Tanentzap, Andrew J., Burd, Katheryn, Kuhn, McKenzie, Estop-Aragonés, Cristian, Tank, Suzanne E., and Olefeldt, David. Forthcoming. “Aged soils contribute little to contemporary carbon cycling downstream of thawing permafrost peatlands.” Global Change Biology, № 27 (20): 5368–5382. doi: 10.1111/gcb.15756.

2020

• Williams, Mathew, Zhang, Yu, Estop-Aragonés, Cristian, Fisher, James P., Xenakis, Georgios, Charman, Dan J., Hartley, Iain P., Murton, Julian B., and Phoenix, Gareth K. 2020. “Boreal permafrost thaw amplified by fire disturbance and precipitation increases.” Environmental Research Letters, № 15 (11): 114050. doi: 10.1088/1748-9326/abbeb8.
• Zolkos, Scott, Tank, Suzanne E., Striegl, Robert G., Kokelj, Steven V., Kokoszka, Justin, Estop-Aragonés, Cristian, and Olefeldt, David. 2020. “Thermokarst amplifies fluvial inorganic carbon cycling and export across watershed scales on the Peel Plateau, Canada.” Biogeosciences, № 17 (20): 5163–5182. doi: 10.5194/bg-17-5163-2020.
• Hutchins, Ryan H. S., Tank, Suzanne E., Olefeldt, David, Quinton, William L., Spence, Christopher, Dion, Nicole, Estop‐Aragonés, Cristian, and Mengistu, Samson G. 2020. “Fluvial CO2 and CH4 patterns across wildfire-disturbed ecozones of subarctic Canada: Current status and implications for future change.” Global Change Biology, № 26 (4): 2304–2319. doi: 10.1111/gcb.14960.
• Burd, Katheryn, Estop-Aragonés, Cristian, Tank, Suzanne, and Olefeldt, David. 2020. “Lability of dissolved organic carbon from boreal peatlands: interactions between permafrost thaw, wildfire, and season.” Canadian Journal of Soil Science, № 100 (4): 503–515. doi: 10.1139/cjss-2019-0154.
• Estop-Aragonés, Cristian, Olefeldt, David, Abbott, Benjamin W., Chanton, Jeffrey P., Czimczik, Claudia I., Dean, Joshua F., Egan, Jocelyn E., Gandois, Laure, Garnett, Mark H., Hartley, Iain P., Hoyt, Alison, Lupascu, Massimo, Natali, Susan M., O'Donnell, Jonathan A., Raymond, Peter A., Tanentzap, Andrew J., Tank, Suzanne E., Schuur, Edward A. G., Turetsky, Merritt, and Anthony, Katey Walter. 2020. “Assessing the Potential for Mobilization of Old Soil Carbon After Permafrost Thaw: A Synthesis of 14C Measurements From the Northern Permafrost Region.” Global Biogeochemical Cycles, № 34 (9): e2020GB006672. doi: 10.1029/2020GB006672.
• Heffernan, L, Estop-Aragonés, C, Knorr, K-H, Talbot, J, and Olefeldt, D. 2020. “Long‐term Impacts of Permafrost Thaw on Carbon Storage in Peatlands: Deep Losses Offset by Surficial Accumulation.” Journal of Geophysical Research: Biogeosciences, № 125 (3): e2019JG005501. doi: 10.1029/2019JG005501.
• Lawrence, Corey R., Beem-Miller, Jeffrey, Hoyt, Alison M., Monroe, Grey, Sierra, Carlos A., Stoner, Shane, Heckman, Katherine, Blankinship, Joseph C., Crow, Susan E., McNicol, Gavin, Trumbore, Susan, Levine, Paul A., Vindušková, Olga, Todd-Brown, Katherine, Rasmussen, Craig, Pries, Caitlin E. Hicks, Schädel, Christina, McFarlane, Karis, Dötterl, Sebastian, Hatté, Christine, He, Yujie, Treat, Claire, Harden, Jennifer W., Torn, Margaret S., Estop-Aragonés, Cristian, Berhe, Asmeret Asefaw, Keiluweit, Marco, Kuhnen, Ágatha Della Rosa, Marin-Spiotta, Erika, Plante, Alain F., Thomson, Aaron, Shi, Zheng, Schimel, Joshua P., Vaughn, Lydia J. S., von, Fromm Sophie F., and Wagai, Rota. 2020. “An open-source database for the synthesis of soil radiocarbon data: International Soil Radiocarbon Database (ISRaD) version 1.0.” Earth System Science Data, № 12 (1): 61–76. doi: 10.5194/essd-12-61-2020.

2019

• Gibson, Carolyn M., Estop-Aragonés, Cristian, Flannigan, Mike, Thompson, Dan K., and Olefeldt, David. 2019. “Increased deep soil respiration detected despite reduced overall respiration in permafrost peat plateaus following wildfire.” Environmental Research Letters, № 14: 125001. doi: 10.1088/1748-9326/ab4f8d.

2018

• Estop-Aragonés, Cristian, Czimczik, Claudia I., Heffernan, Liam, Gibson, Carolyn, Walker, Jennifer C., Xu, Xiaomei, and Olefeldt, David. 2018. “Respiration of aged soil carbon during fall in permafrost peatlands enhanced by active layer deepening following wildfire but limited following thermokarst.” Environmental Research Letters, № 13: 085002. doi: 10.1088/1748-9326/aad5f0.
• Estop-Aragonés, Cristian, Cooper, Mark D.A., Fisher, James P., Thierry, Aaron, Garnett, Mark H., Charman, Dan J., Murton, Julian B., Phoenix, Gareth K., Treharne, Rachael, Sanderson, Nicole K., Burn, Christopher R., Kokelj, Steve V., Wolfe, Stephen A., Lewkowicz, Antoni G., Williams, Mathew, and Hartley, Iain P. 2018. “Limited release of previously-frozen C and increased new peat formation after thaw in permafrost peatlands.” Soil Biology and Biochemistry, № 118: 115–129. doi: 10.1016/j.soilbio.2017.12.010.

2017

• Cooper, Mark D.A., Estop-Aragonés, Cristian, Fisher, James P., Thierry, Aaron, Garnett, Mark H., Charman, Dan J., Murton, Julian B., Phoenix, Gareth K., Treharne, Rachael, Kokelj, Steve V., Wolfe, Stephen A., Lewkowicz, Antoni G., Williams, Mathew, and Hartley, Iain P. 2017. “Limited contribution of permafrost carbon to methane release from thawing peatlands.” Nature Climate Change, № 7: 507–511. doi: 10.1038/nclimate3328.
• Schädel, Christina, Bader, Martin K.-F., Schuur, Edward A. G., Biasi, Christina, Bracho, Rosvel, Čapek, Petr, De, Baets Sarah, Diáková, Kateřina, Ernakovich, Jessica, Estop-Aragones, Cristian, Graham, David E., Hartley, Iain P., Iversen, Colleen M., Kane, Evan, Knoblauch, Christian, Lupascu, Massimo, Martikainen, Pertti K., Natali, Susan M., Norby, Richard J., O’Donnell, Jonathan A., Chowdhury, Taniya Roy, Šantrůčková, Hana, Shaver, Gaius, Sloan, Victoria L., Treat, Claire C., Turetsky, Merritt R., Waldrop, Mark P., and Wickland, Kimberly P. 2017. “Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils.” Nature Climate Change, № 6: 950–953. doi: 10.1038/nclimate3054.

2016

• Fisher, James P., Estop-Aragonés, Cristian, Thierry, Aaron, Charman, Dan J., Wolfe, Stephen A., Hartley, Iain P., Murton, Julian B., Williams, Mathew, and Phoenix, Gareth K. 2016. “The influence of vegetation and soil characteristics on active-layer thickness of permafrost soils in boreal forest.” Global Change Biology, № 22 (9): 3127–3140. doi: 10.1111/gcb.13248.
• Estop-Aragonés, C, Zając, K, and Blodau, C. 2016. “Effects of extreme experimental drought and rewetting on CO2 and CH4 exchange in mesocosms of 14 European peatlands with different nitrogen and sulfur deposition.” Global Change Biology, № 22 (6): 2285–2300. doi: 10.1111/gcb.13228.

2013

• Estop-Aragonés, C, Knorr, K-H, and Blodau, C. 2013. “Belowground in situ redox dynamics and methanogenesis recovery in a degraded fen during dry-wet cycles and flooding.” Biogeosciences, № 10 (1): 421–436. doi: 10.5194/bg-10-421-2013.

2012

• Estop-Aragonés, C, and Blodau, C. 2012. “Effects of experimental drying intensity and duration on respiration and methane production recovery in fen peat incubations.” Soil Biology and Biochemistry, № 47: 1–9. doi: 10.1016/j.soilbio.2011.12.008.
• Estop-Aragonés, C, Knorr, K-H, and Blodau, C. 2012. “Controls on in situ oxygen and dissolved inorganic carbon dynamics in peats of a temperate fen.” Journal of Geophysical Research, № 117 (2) doi: 10.1029/2011JG001888.
• Estop-Aragonés, C, and Blodau, C. 2012. “Effects of experimental drying intensity and duration on respiration and methane production recovery in fen peat incubations.” Soil Biology and Biochemistry, № 47: 1–9. doi: 10.1016/j.soilbio.2011.12.008.

2010

• Imfeld, Gwenaël, Estop-Aragonés, Cristian, Fetzer, Ingo, Mészáros, Éva, Zeiger, Simone, Nijenhuis, Ivonne, Nikolausz, Marcell, Delerce, Sylvain, and Richnow, Hans H. 2010. “Characterization of microbial communities in the aqueous phase of a constructed model wetland treating 1,2-dichloroethene-contaminated groundwater.” FEMS Microbiology Ecology, № 72 (1): 74–88. doi: 10.1111/j.1574-6941.2009.00825.x.

2008

• Imfeld, Gwenaël, Estop-Aragonés, Cristian, Zeiger, Simone, Vitzthum, von Eckstädt Christiane, Paschke, Heidrun, Trabitzsch, Ralf, Weiss, Holger, and Richnow, Hans H. 2008. “Tracking in situ Biodegradation of 1,2-Dichloroethenes in a Model Wetland.” Environmental Science and Technology, № 42 (21): 7924–7930. doi: 10.1021/es8014277.