Dr. Cristian Estop Aragonés

Publications

2022

• Heffernan, L.; Cavaco, M.A.; Bhatia, M.P.; Estop-Aragonés, C.; Knorr, K.H.; Olefeldt, D. 2022. ‘High peatland methane emissions following permafrost thaw: enhanced acetoclastic methanogenesis during early successional stages.’ Biogeosciences 19, No. 12: 3051–3071. doi: 10.5194/bg-19-3051-2022.
• Estop-Aragonés, C; Heffernan, L; Knorr, K-H; 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, No. 12: e2022JG006910. doi: https://doi.org/10.1029/2022JG006910.
• Kuhn, MA; Schmidt, M; Heffernan, L; Stührenberg, J; Knorr, K; Estop-Aragonés, C; Broder, T; Gonzalez Moguel, R; Douglas, PMJ; Olefeldt, D. 2022. ‘High ebullitive, millennial-aged greenhouse gas emissions from thermokarst expansion of peatland lakes in boreal western Canada.’ Limnology and Oceanography 68, No. 2: 498–513. doi: https://doi.org/10.1002/lno.12288.

2021

• Tanentzap Andrew J., Burd Katheryn, Kuhn McKenzie, Estop-Aragonés Cristian, Tank Suzanne E., Olefeldt David. 2021. ‘Aged soils contribute little to contemporary carbon cycling downstream of thawing permafrost peatlands.’ Global Change Biology 27, No. 20: 5368–5382. doi: 10.1111/gcb.15756. [accepted / in press (not yet published)]

2020

• Hutchins Ryan H. S., Tank Suzanne E., Olefeldt David, Quinton William L., Spence Christopher, Dion Nicole, Estop‐Aragonés Cristian, 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, No. 4: 2304–2319. doi: 10.1111/gcb.14960.
• 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., 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, No. 1: 61–76. doi: 10.5194/essd-12-61-2020.
• Burd Katheryn, Estop-Aragonés Cristian, Tank Suzanne, Olefeldt David. 2020. ‘Lability of dissolved organic carbon from boreal peatlands: interactions between permafrost thaw, wildfire, and season.’ Canadian Journal of Soil Science 100, No. 4: 503–515. doi: 10.1139/cjss-2019-0154.
• Zolkos Scott, Tank Suzanne E., Striegl Robert G., Kokelj Steven V., Kokoszka Justin, Estop-Aragonés Cristian, Olefeldt David. 2020. ‘Thermokarst amplifies fluvial inorganic carbon cycling and export across watershed scales on the Peel Plateau, Canada.’ Biogeosciences 17, No. 20: 5163–5182. doi: 10.5194/bg-17-5163-2020.
• Williams Mathew, Zhang Yu, Estop-Aragonés Cristian, Fisher James P., Xenakis Georgios, Charman Dan J., Hartley Iain P., Murton Julian B., Phoenix Gareth K. 2020. ‘Boreal permafrost thaw amplified by fire disturbance and precipitation increases.’ Environmental Research Letters 15, No. 11: 114050. doi: 10.1088/1748-9326/abbeb8.
• 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, 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, No. 9: e2020GB006672. doi: 10.1029/2020GB006672.
• Heffernan L, Estop-Aragonés C, Knorr K-H, Talbot J, 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, No. 3: e2019JG005501. doi: 10.1029/2019JG005501.

2019

• Gibson Carolyn M., Estop-Aragonés Cristian, Flannigan Mike, Thompson Dan K., 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, 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, 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.
• Estop-Aragonés Cristian, Czimczik Claudia I., Heffernan Liam, Gibson Carolyn, Walker Jennifer C., Xu Xiaomei, 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.

2017

• 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., 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.
• 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, 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.

2016

• Fisher James P., Estop-Aragonés Cristian, Thierry Aaron, Charman Dan J., Wolfe Stephen A., Hartley Iain P., Murton Julian B., Williams Mathew, 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, No. 9: 3127–3140. doi: 10.1111/gcb.13248.
• Estop-Aragonés C, Zając K, 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, No. 6: 2285–2300. doi: 10.1111/gcb.13228.

2013

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

2012

• Estop-Aragonés C, 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, Blodau C. 2012. ‘Controls on in situ oxygen and dissolved inorganic carbon dynamics in peats of a temperate fen.’ Journal of Geophysical Research 117, No. 2. doi: 10.1029/2011JG001888.
• Estop-Aragonés C, 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, 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, No. 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, Richnow Hans H. 2008. ‘Tracking in situ Biodegradation of 1,2-Dichloroethenes in a Model Wetland.’ Environmental Science and Technology 42, No. 21: 7924–7930. doi: 10.1021/es8014277.