Opfergelt Sophie

du Bois d’Aische, E., Jonard, F., Hirst, C., Villani, M., Thomas, M., Giesler, R., Mörth, C.-M., Lundin, E., Van Oost, K., Vanacker, V., Lambot, S., & Opfergelt, S. (2025). Permafrost Thaw Drives Iron and Organic Carbon Release Into Soil Pore Water During Palsa to Degraded Palsa Transition. Permafrost and Periglacial Processes, 37(1), 107-123. https://doi.org/10.1002/ppp.70018 (Original work published 2025)

Ogneva, O., Mollenhauer, G., Sanders, T., Juhls, B., Palmtag, J., Fuchs, M., Hammes, J., Grotheer, H., Mann, P.  J., Opfergelt, S., & Strauss, J. (2025). Dissolved and Particulate Organic Carbon Characteristics in Summer and Winter Waters of the Lena Delta. Permafrost and Periglacial Processes, 37(1), 154-166. https://doi.org/10.1002/ppp.70021 (Original work published 2026)

Li, Y., Henrion, M., Moore, A., Lambot, S., Opfergelt, S., Vanacker, V., Jonard, F., & Van Oost, K. (2025). Hot spots, hot moments, and spatiotemporal drivers of soil CO2 flux in temperate peatlands using UAV remote sensing. Biogeosciences, 22(21), 6369-6392. https://doi.org/10.5194/bg-22-6369-2025 (Original work published 2025)

Lathrop, E., See, C., Walker, X., Falvo, G., Axler, Z., Ebert, C., Kadej, S., Kelley, A., Ledman, J., Opfergelt, S., Rodenhizer, H., & Schuur, E. A. G. (2025). Permafrost Thaw Accelerates Old Soil Carbon Release, Outpacing New Plant Inputs During a 13‐Year Tundra Warming Experiment. Global Change Biology, 31(12), e70609. https://doi.org/10.1111/gcb.70609 (Original work published 2025)

Henrion, M., Li, Y., Wu, K., Jonard, F., Opfergelt, S., Vanacker, V., Van Oost, K., & Lambot, S. (2025). Drone-borne ground-penetrating radar reveals spatiotemporal moisture dynamics in peatland root zones. Science of Remote Sensing, 12(100311), 17. https://doi.org/10.1016/j.srs.2025.100311 (Original work published 2025)

Juhls, B., Morgenstern, A., Hölemann, J., Eulenburg, A., Heim, B., Miesner, F., Grotheer, H., Mollenhauer, G., Meyer, H., Erkens, E., Gehde, F. Y., Antonova, S., Chalov, S., Tereshina, M., Erina, O., Fingert, E., Abramova, E., Sanders, T., Lebedeva, L., et al. (2025). Lena River biogeochemistry captured by a 4.5-year high-frequency sampling program. Earth System Science Data, 17(1), 1-28. https://doi.org/10.5194/essd-17-1-2025 (Original work published 2025)

Li, Y., Henrion, M., Moore, A., Lambot, S., Opfergelt, S., Vanacker, V., Jonard, F., Van Oost, K., & et al. (2025). Hot spots, hot moments, and spatiotemporal drivers of soil CO2 flux in temperate peatlands using UAV remote sensing. Biogeosciences, 22, 6369-6392. https://doi.org/10.5194/bg-22-6369-2025 (Original work published 2025)

Villani, M., Hirst, C., du Bois d’Aische, E., Thomas, M., Lundin, E., Giesler, R., Mörth, C.-M., & Opfergelt, S. (2025). Lengthening of biogeochemical processes during winter in degraded permafrost soils. Geochemical Perspectives Letters, 34(1), 36-42. https://doi.org/10.7185/geochemlet.2511 (Original work published 2025)

Henrion, M., Opfergelt, S., Villani, M., Roux, P., Verleene, D., du Bois d’Aische, E., Denis, G., Schuur, E. A. G., Jonard, F., Vanacker, V., Van Oost, K., & Lambot, S. (2025). Talik detection beneath water tracks using three-dimensional Ground-Penetrating Radar. BE-Polar Conference 2025, Bruxelles.

Villani, M., du Bois d’Aische, E., Hirst, C., Osy de Zegwaart-Favart, C., Thomas, M., Roux, P., Lundin, E., Giesler, R., Mörth, M., Ledman, J., Schuur, E., & Opfergelt, S. (2025). Using the cerium anomaly as a redox tracer in soil pore waters from permafrost regions: implications for organo-mineral interactions. FNRS Contact Group “Geochemistry” workshop, Louvain-la-Neuve.

Opfergelt, S., & Servais, O. (2025). Giving Voice to the Ground in Environmental Research: A Transdisciplinary Approach for the Alaska Highway Case Study. Conference on inter- and transdisciplinary research for sustainable development 2025, Louvain-la-Neuve.

Thami, A., Parys, L., Henrion, M., Vanacker, V., Opfergelt, S., Jonard, F., Van Oost, K., & Lambot, S. (2025). A Comparative Analysis of Numerical Inversion and Physics-Informed Neural Networks for Estimating Soil Hydraulic Properties in Peatlands. BELQUA - 2025 Annual Scientific Workshop, Brussels.

Henrion, M., Li, Y., Wu, K., Jonard, F., Opfergelt, S., Vanacker, V., Van Oost, K., & Lambot, S. (2025). Mapping and monitoring peatland soil moisture using drone-borne Ground-Penetrating Radar. EGU General Assembly 2025, Vienna.

Roux, P., Villani, M., du Bois d’Aische, E., Osy de Zegwaart-Favart, C., Edward Schuur, & Opfergelt, S. (2025). From Soils to Rivers: Radiogenic Sr isotopes Tracks Seasonal Disconnection in Permafrost Arctic Catchment. Workshop FNRS Contact Group Geochemistry, Louvain La Neuve.

Henrion, M., Li, Y., Wu, K., Jonard, F., Opfergelt, S., Vanacker, V., Van Oost, K., & Lambot, S. (2025). Drone-borne Ground-penetrating Radar time-lapse mapping reveals spatiotemporal moisture dynamics in peatlands. BELQUA - 2025 Annual Scientific Workshop, Brussels.

Opfergelt, S., & Servais, O. (2025). Donner la parole au terrain dans la recherche environnementale : une approche transdisciplinaire pour l’étude de cas de la route de l’Alaska. Les humains et leurs terres incertaines: Pergélisol, Volcan, et Glissement de terrain, Louvain-la-Neuve.

Koen Van Noten, Roux, P., Julien Govoorts, Elise Pepin, Cassandra Batista, Raphael De Plaen, Thomas Lecocq, & Opfergelt, S. (2025). Monitoring permafrost freeze-up with ambient seismic noise. BE-Polar Conference 2025, Bruxelles.

Moore, A., Li, Y., Henrion, M., Marcus Christl, Philip Gautschi, Jonard, F., Lambot, S., Van Oost, K., Opfergelt, S., & Vanacker, V. (2025). Landscape transience in the Belgian Ardennes inferred from paired cosmogenic 26Al and 10Be. BELQUA 2025 Annual Scientific Workshop, Brussels, Belgium.

Li, Y., Henrion, M., Moore, A., Lambot, S., Opfergelt, S., Vanacker, V., Jonard, F., & Van Oost, K. (2025). Hot spots of soil CO2 flux in temperate peatlands using UAV remote sensing and in-situ monitoring. BELQUA 2025 Annual Scientific Workshop, Brussels, Belgium.

Roux, P., du Bois d’Aische, E., Villani, M., Henrion, M., Godefroid, L., Vandestrate, A., Edward Schuur, & Opfergelt, S. (2025). Flushed before thaw: talik nutrient export precedes summer breakthrough in degrading permafrost. BE-Polar Conference 2025, Bruxelles.

Li, Y., Henrion, M., Moore, A., Lambot, S., Opfergelt, S., Vanacker, V., Jonard, F., & Van Oost, K. (2025). Mapping soil CO2 efflux to identify hot spots in temperate peatlands based on UAV remote sensing. European Geosciences Union General Assembly 2025, Vienna, Austria. https://doi.org/10.5194/egusphere-egu25-14038

Thomas, M., Van Hauwaert, J., Hirst, C., Villani, M., du Bois d’Aische, E., Roux, P., & Opfergelt, S. (2025). Organo-mineral interactions in permafrost environments affected by physical degradation. BE-Polar Conference 2025, Brussels, Belgium.

Villani, M., du Bois d’Aische, E., Hirst, C., Osy de Zegwaart-Favart, C., Thomas, M., Roux, P., Lundin, E., Giesler, R., Mörth, M., Ledman, J., Schuur, E., & Opfergelt, S. (2025). Cerium anomaly as a redox tracer in soil pore waters from permafrost regions during the late shoulder season: implications for organo-mineral interactions. Goldschmidt 2025, Prague.

Strauss Jens, Fuchs Mathias, Hugelius Gustaf, Miesner Frederieke, Nitze Ingmar, Opfergelt, S., Schuur Edward, Treat Claire, Turetsky Merritt, Yang Yuanhe, & Grosse Guido. (2025). Organic matter storage and vulnerability in the permafrost domain. In Elias, S. (ed.), Encyclopedia of Quaternary Science (pp. 399-410). Elsevier BV. https://doi.org/10.1016/B978-0-323-99931-1.00164-1

De Souza G.F., Savage P.S., & Opfergelt, S. (2025). Silicon Stable Isotope Analysis of Natural Aqueous and Solid Samples by MC-ICP-MS. In Gyana Ranjan Tripathy (ed.), Analytical Isotope Geochemistry (Springer, p. p. 155-180). Springer. https://doi.org/10.1007/978-3-031-88388-0_7

Thomas, M., Fouché, J., Morelle, C., Bemelmans, N., Rochereau, T., Lafrenière, M., Heslop, J. K., & Opfergelt, S. (2024). Impact of hillslope thermokarst development on mineral-OC interactions: case study in Cape Bounty, Canadian High Arctic. Geologica Belgica Luxemburga International Meeting 2024, Liège, Belgium.

Van Hauwaert, J., Thomas, M., & Opfergelt, S. (2024). Mineral – Organic Carbon interactions in Arctic permafrost: spatialization and meta-analysis. 8th Geologica Belgica Luxemburga meeting 2024, Liège.

Roux, P., du Bois d’Aische, E., Villani, M., & Opfergelt, S. (2024). Arctique : Quand le sol dégèle sous nos pieds. Printemps des sciences, Louvain-la-Neuve.

Opfergelt, S. (2024). Changing Arctic Critical Zone. Arctic soil biogeochemistry Workshop, GFZ, Potsdam, Germany, Invited talk, 12 November 2024, Potsdam, Germany.

Villani, M., Hirst, C., du Bois d’Aische, E., Thomas, M., Lundin, E., Giesler, R., Mörth, M., & Opfergelt, S. (2024). Silicon isotopes as a tool to capture winter biogeochemical processes in permafrost soils. Isotopes in Biogenic Silica (IBiS) 2024, Louvain)la-Neuve.

Roux, P., Villani, M., & Opfergelt, S. (2024). Biogeochemical disconnection between rivers and permafrost soils during winter: evidence from Sr isotopes. Geologica Belgica Luxemburga International Meeting 2024, Liège.

Opfergelt, S. (2024). The Changing Arctic Critical Zone: tracing the influence of permafrost thaw. Invited seminar, University of Bern, Switzerland, 19 November 2024, Bern, Switzerland.

Opfergelt, S. (2024). Frazil Ice Changes Winter Biogeochemical Processes in the Lena River. CHEMICY-2 Workshop, Rennes, France.

Opfergelt, S., & et al. (2024). Tracing changes in winter biogeochemical processes in Arctic rivers with amorphous silica precipitation. IBIS2024, Louvain-la-Neuve, Belgium.

Opfergelt, S. (2024). The Changing Arctic Critical Zone: tracing the influence of permafrost thaw. GeoBio Seminar, GFZ, Potsdam, Germany.

Opfergelt, S., & et al. (2024). Changing water pathways generates new loci for nutrient release in the Critical Zone: perspective from the Arctic. Goldschmidt 2024, Chicago, USA.

Roux, P., Villani, M., & Opfergelt, S. (2024). Nutrient mobility upon permafrost thaw: sources and controlling processes. Belgian Science for Climate Action conference, Maison de la Poste, Bruxelles.

Henrion, M., Wu, K., Li, Y., Thami, A., Jonard, F., Opfergelt, S., Vanacker, V., Van Oost, K., & Lambot, S. (2024). Time-lapse monitoring with drone-borne Ground-Penetrating Radar unveils spatiotemporal moisture dynamics in peatland root zone. The Sixth Global Proximal Soil Sensing Workshop, Gent.

Henrion, M., Li, Y., Koganti, T., Michel Bechtold, Jonard, F., Opfergelt, S., Vanacker, V., Van Oost, K., & Lambot, S. (2024). Mapping and monitoring a Belgian Hautes Fagnes peatland using Ground-Penetrating Radar and Electromagnetic Induction. 8th International Geologica Belgica Meeting 2024, Liège.

Denis Gilles, Buslain Alexandre, Wittouck Kyril, Matielli Nadine, Boxho Sibylle, Bonneville Steeve, Opfergelt, S., Fettweis Xavier, & et al. (2024). IMAQA : Bridging Exploration and Science for Polar Research. Geologica Belgica Luxemburga International Meeting 2024, Liège, Belgique.

Opfergelt, S. (2024). La zone critique en pleine mutation en Arctique : tracer l’influence du dégel du pergélisol. Spectratom 2024, Pau, France.

Opfergelt, S. (2024). Tracing the influence of river ice on biogeochemical processes in river water: case study on the Lena River. Workshop CircleU CEDRIC, Oslo, Norway.

Thomas, M., Moenaert, T., du Bois d’Aische, E., Villani, M., Hirst, C., Lundin, E., Jonard, F., Lambot, S., Van Oost, K., Vanacker, V., Giesler, R., Mörth, C.-M., & Opfergelt, S. (2024). Detecting lowland thermokarst development by UAV remote sensing in the Stordalen mire, Abisko, Sweden. General Assembly 2024 of the European Geosciences Union (EGU), Vienna, Austria.

Opfergelt, S., Villani, M., Thomas, M., du Bois d’Aische, E., Osy de Zegwaart-Favart, C., Roux, P., Henrion, M., Jonard, F., Bates, J., Hirst, C., Denis, G., & et al. (2024). Permafrost Expedition in Alsaka: Autumn 2023 and Winter 2024. Archives Antarctiques Belges-Belgishe Antarktic Archieven, Bruxelles.

Henrion, M., Li, Y., Koganti, T., Bechtold, M., Jonard, F., Opfergelt, S., Vanacker, V., Van Oost, K., & Lambot, S. (2024). Mapping and monitoring peatlands in the Belgian Hautes Fagnes: Insights from Ground-penetrating radar and Electromagnetic induction characterization. Geoderma Regional, 37, e00795. https://doi.org/10.1016/j.geodrs.2024.e00795 (Original work published 2024)

Li, Y., Henrion, M., Moore, A., Lambot, S., Opfergelt, S., Vanacker, V., Jonard, F., & Van Oost, K. (2024). Factors controlling peat soil thickness and carbon storage in temperate peatlands based on UAV high-resolution remote sensing. Geoderma, 449, 117009. https://doi.org/10.1016/j.geoderma.2024.117009 (Original work published 2024)

Fouché, J., Hirst, C., Bonneville, S., Opfergelt, S., Haghipour, N., Eglinton, Timothy I., Vonk, Jorien E., & Bröder, L. (2024). Rainfall Impacts Dissolved Organic Matter and Cation Export From Permafrost Catchments and a Glacial River During Late Summer in Northeast Greenland. Permafrost and Periglacial Processes. Published. https://doi.org/10.1002/ppp.2250 (Original work published 2024)

Opfergelt, S., Gaspard, F., Hirst, C., Monin, L., Juhls, B., Morgenstern, A., Angelopoulos, M., & Overduin, P. P. (2024). Frazil ice changes winter biogeochemical processes in the Lena River. Communications Earth & Environment, 5(1). https://doi.org/10.1038/s43247-024-01884-9 (Original work published 2024)

Burn, Christopher R., Bartsch, A., Chakraborty, E., Das, S., Frauenfelder, R., Gärtner‐Roer, I., Gisnås, Kjersti G., Herring, T., Jones, Benjamin M., Kokelj, Steven V., Langer, M., Lathrop, E., Murton, Julian B., Nielsen, David M., Niu, F., Olson, C., O’Neill, H.  ., Opfergelt, S., Overduin, P., et al. (2024). Developments in Permafrost Science and Engineering in Response to Climate Warming in Circumpolar and High Mountain Regions, 2019–2024. Permafrost and Periglacial Processes. Published. https://doi.org/10.1002/ppp.2261 (Original work published 2024)

Thomas, M., Jongejans, Loeka L., Strauss, J., Vermylen, C., Calcus, S., Opel, T., Kizyakov, A., Wetterich, S., Grosse, G., & Opfergelt, S. (2024). A Third of Organic Carbon Is Mineral Bound in Permafrost Sediments Exposed by the World’s Largest Thaw Slump, Batagay, Siberia. Permafrost and Periglacial Processes, 35(3), 278-293. https://doi.org/10.1002/ppp.2230 (Original work published 2024)

Villani, M., Hirst, C., du Bois d’Aische, E., Thomas, M., Erik Lundin, Reiner Giesler, Magnus Mörth, & Opfergelt, S. (2023). Identification of winter biogeochemical connectivity in permafrost soils using silicon isotopes and impact on Fe-organic carbon interactions (Stordalen, Sweden). Invited Talk, GFZ, Potsdam, Germany.

Opfergelt, S. (2023). The Changing Arctic Critical Zone. Circle U Thematic seminar: Climate & Water, Berlin.

Thomas, M., Jongejans, L. L., Strauss, J., Vermylen, C., Calcus, S., Opel, T., & Opfergelt, S. (2023). Evolution of Fe oxides crystallinity in permafrost deposits from mid-Pleistocene to Holocene: implications for mineral organic carbon interactions. Goldschmidt 2023, Lyon, France.

Thomas, M., Jongejans, L. L., Strauss, J., Vermylen, C., Calcus, S., Monhonval, A., Opel, T., Grosse, G., & Opfergelt, S. (2023). More than one third of the organic carbon exposed by the world’s largest thaw slump (Batagay, Siberia) is not directly available for mineralization but geochemically stabilized. 6th European Conference on Permafrost, Puigcerdà, Catalonia, Spain.

Opfergelt, S., Monhonval, A., & Thomas, M. (2023). Tracking changes in iron organic carbon interactions upon permafrost thaw. Arctic Science Summit Week, Vienne.

Denis, G., Goffart, N., Opfergelt, S., Bertrand, B., Mattielli, N., Fettweis, X., Ahlstrom, A. P., Defraigne, P., Bonneville, S., Boxho, S. L., Box, J. E., Karlsson, N. B., & Bergeot, N. (2023). Nanok Expedition: an ice triathlon in Greenland partnering with scientists for climate research. Goldschmidt 2023, Lyon, France.

Roux, P., & Opfergelt, S. (2023). Nutrient lift upon permafrost thaw: sources and controlling processes. International Arctic Science Committee - Terrestrial Working Group Fall Science Meeting, online.

Opfergelt, S. (2023). Tracking changes in iron organic carbon interactions upon permafrost thaw. Invited talk at Bristol University, Online.

Kelley Allison, Hirst, C., Ebert Christopher, Axler Zev, Ledman Justin, Opfergelt, S., & Schuur Edward. (2023). The Short- and Long-Term Effects of Photo- and Biodegradation on Dissolved Organic Carbon Age and Concentration in Soil Pore Water and Surface Water from a Permafrost Landscape. AGU Fall Meeting 2023, San Francisco.

Opfergelt, S., Gaspard, F., Hirst, C., Monin, L., Juhls, B., Morgenstern, A., & Overduin, P. (2023). Pulses of sub-ice microbial activity during winter: evidence from nitrate concentrations and silicon isotopes in the Lena River. 6th European Conference on Permafrost, Puigcerdà, Catalonia, Spain.

Opfergelt, S., Gaspard, F., Hirst, C., Monin, L., Juhls, B., Morgenstern, A., & Overduin, P. (2023). Evidence from silicon isotopes for pulses of sub-ice microbial activity during winter in the Lena River. Goldschmidt 2023, Lyon, France.

Opfergelt, S. (2023). Tracing changes in mineral-organic carbon interactions upon permafrost thaw. BrIAS Workshop 13 “Carbon and Climate Change – from the atmosphere to the bottom of the ocean”, Brussels.

du Bois d’Aische, E., Thomas, M., Jonard, F., Villani, M., Hirst, C., Giesler, R., Mörth, C.-M., & Opfergelt, S. (2023). Combining geochemical and geophysical parameters to characterize permafrost degradation at Abisko, Sweden: implications for iron-organic carbon interactions. Arctic Science Summit Week, Vienne.

Roux, P., Opfergelt, S., du Bois d’Aische, E., Thomas, M., Osy de Zegwaart-Favart, C., & Villani, M. (2023). Understanding the Arctic Critical Zone - Permafrost thaw consequences on ecosystem functionning and C fluxes. Visit of a delegation of the Chinese Geologic Survey, Royal Academy for Overseas Sciences, Bruxelles.

du Bois d’Aische, E., Thomas, M., Villani, M., Jonard, F., Hirst, C., Giesler, R., Mörth, C.-M., Lundin, E., & Opfergelt, S. (2023). Iron, manganese and aluminum solubility with permafrost thaw in an Arctic peatland: coupled geochemical and geophysical measurements. 6th European Conference on Permafrost, Puigcerdà.

Thomas, M., Monhonval, A., Hirst, C., Bröder, L., Zolkos, S., Vonk, J. E., Tank, S. E., Keskitalo, K. H., Shakil, S., Kokelj, S. V., van der Sluijs, J., & Opfergelt, S. (2023). Evidence for preservation of organic carbon interacting with iron in material displaced from retrogressive thaw slumps: Case study in Peel Plateau, western Canadian Arctic. Geoderma, 433(116443). https://doi.org/10.1016/j.geoderma.2023.116443 (Original work published 2023)

Mauclet, E., Hirst, C., Monhonval, A., Stevenson, E., Gérard, M., Villani, M., Dailly, H., Schuur, E., & Opfergelt, S. (2023). Tracing changes in base cation sources for Arctic tundra vegetation upon permafrost thaw. Geoderma, 429(429), 116277. https://doi.org/10.1016/j.geoderma.2022.116277 (Original work published 2022)

Monhonval, A., Hirst, C., Jens Strauss, Edward Schuur, Opfergelt, S., & et al. (2023). Strontium isotopes trace the dissolution and precipitation of mineral organic carbon interactions in thawing permafrost. Geoderma, 433(116456), 116456. https://doi.org/10.1016/j.geoderma.2023.116456 (Original work published 2023)

Zahajská, P., Frings, P. J., Gaspard, F., Opfergelt, S., Stadmark, J., Fritz, S. C., Cartier, R., & Conley, D. J. (2023). The Holocene silicon biogeochemistry of Yellowstone Lake, USA. Quaternary Science Reviews, 322, 108419. https://doi.org/10.1016/j.quascirev.2023.108419 (Original work published 2023)

Monhonval, A., Mauclet Elisabeth, Hirst, C., Bemelmans, N., Eekman, E., Schuur Edward, & Opfergelt, S. (2023). Mineral organic carbon interactions in dry versus wet tundra soils. Geoderma, 436(116552), 116552. https://doi.org/10.1016/j.geoderma.2023.116552 (Original work published 2023)

Mauclet, E., Villani, M., Monhonval, A., Hirst, C., Schuur, E. A. G., & Opfergelt, S. (2023). Quantifying exchangeable base cations in permafrost: a reserve of nutrients about to thaw. Earth System Science Data, 15(9), 3891-3904. https://doi.org/10.5194/essd-15-3891-2023 (Original work published 2023)

Hirst, C., Monhonval, A., Mauclet, E., Thomas, M., Villani, M., Ledman, J., Schuur, Edward. A. G., & Opfergelt, S. (2023). Evidence for late winter biogeochemical connectivity in permafrost soils. Communications Earth & Environment, 4(1 (2023)). https://doi.org/10.1038/s43247-023-00740-6 (Original work published 2023)

Bröder, L., Hirst, C., Opfergelt, S., Thomas, M., Vonk, J. E., Haghipour, N., Eglinton, T. I., & Fouché, J. (2022). Contrasting Export of Particulate Organic Carbon From Greenlandic Glacial and Nonglacial Streams. Geophysical Research Letters, 49(21), 1. https://doi.org/10.1029/2022gl101210 (Original work published 2022)

Mauclet, E., Agnan, Y., Hirst, C., Monhonval, A., Pereira, B., Vandeuren, A., Villani, M., Ledman, J., Taylor, M., Jasinski, B. L., Schuur, E. A. G., & Opfergelt, S. (2022). Changing sub-Arctic tundra vegetation upon permafrost degradation: impact on foliar mineral element cycling. Biogeosciences, 19(9), 2333-2351. https://doi.org/10.5194/bg-19-2333-2022 (Original work published 2022)

Hirst, C., Mauclet, E., Monhonval, A., Tihon Emeline, Ledman Justin, Schuur Edward A.G., & Opfergelt, S. (2022). Seasonal changes in hydrology and permafrost degradation control mineral element-bound DOC transport from permafrost soils to streams. Global Biogeochemical Cycles : an international journal of global change, 36(2 (2022)), 1-24. https://doi.org/10.1029/2021GB007105 (Original work published 2022)

Monhonval, A., Strauss, J., Thomas, M., Hirst, C., Titeux, H., Louis, J., Gilliot, A., du Bois d’Aische, E., Pereira, B., Vandeuren, A., Grosse, G., Schirrmeister, L., Jongejans, L. L., Ulrich, M., & Opfergelt, S. (2022). Thermokarst processes increase the supply of stabilizing surfaces and elements (Fe, Mn, Al, and Ca) for mineral–organic carbon interactions. Permafrost and Periglacial Processes. Published. https://doi.org/10.1002/ppp.2162 (Original work published 2022)

Villani, M., Mauclet, E., Agnan, Y., Druel, A., Jasinski, B., Taylor, M., Schuur, E. A. G., & Opfergelt, S. (2022). Mineral element recycling in topsoil following permafrost degradation and a vegetation shift in sub-Arctic tundra. Geoderma, 421, 115915. https://doi.org/10.1016/j.geoderma.2022.115915 (Original work published 2022)

du Bois d’Aische, E., Thomas, M., Jonard, F., Villani, M., Hirst, C., Giesler, R., Mörth, C.-M., Lundin, E., & Opfergelt, S. (2022). Coupling of geochemical and geophysical measurements to characterize iron and organic carbon co-mobility upon permafrost thaw in an Arctic peatland in Abisko, Sweden. 7ème colloque climat et impacts, Paris-Saclay.

Opfergelt, S., Monhonval, A., Dailly, H., Schuur, E., & Hirst, C. (2022). Role of Dissolution-Precipitation of Mineral Organic Carbon Interactions on Carbon Loss and Gain upon Permafrost Thaw. AGU Fall Meeting 2022, Chicago, USA.

Villani, M., Mauclet, E., Agnan, Y., Druel, A., Jasinski, B., Taylor, M., Schuur, E. A. G., & Opfergelt, S. (2022). Does vegetation shift in Arctic tundra upon permafrost degradation influence mineral element recycling in the topsoil? EGU General Assembly 2022, Vienna, Austria.

Osy de Zegwaart-Favart, C., Massonnet, F., & Opfergelt, S. (2022). Drivers of changes in the permafrost late shoulder season. The Cryosphere in a changing climate - A scientific symposium in memory of Koni Steffen, Davos, Switzerland.

Osy de Zegwaart-Favart, C., Massonnet, F., & Opfergelt, S. (2022). Drivers of changes in the permafrost late shoulder season. 17th Conference on Polar Meteorology and Oceanography, Madison (WI), United States.

Osy de Zegwaart-Favart, C., Massonnet, F., & Opfergelt, S. (2022). Drivers of changes in the permafrost late shoulder season. EGU General Assembly 2022, Vienna, Austria.

Villani, M., Hirst, C., Lundin, E., Giesler, R., Mörth, M., & Opfergelt, S. (2022). Silicon Isotopes: A Tool to Capture Winter Biogeochemical Connectivity in Permafrost Soils (Stordalen, Sweden). AGU Fall Meeting 2022, Chicago, USA.

Thomas, M., Jongejans, L. L., Strauss, J., Vermylen, C., Calcus, S., Monhonval, A., Opel, T., & Opfergelt, S. (2022). Characterization of organic carbon-mineral interactions within a megaslump headwall and potential evolution following material export: case study in Batagaika crater, northern Yakutia, Siberia. 7ème édition du colloque Climat et Impacts, Université de Paris-Saclay, Paris, France.

Doetterl Sebastian, Rose Abramoff, Jean-Thomas Cornelis, Aline Frossard, Peter Fiener, Gina Garland, Michael Kaiser, Moritz Laub, Opfergelt, S., Marijn Van de Broek, Sarah van den Broek, & Sophie F. von Fromm. (2022). Understanding soil organic carbon dynamics at larger scales. In Rumpel C. (ed.), Understanding and fostering soil carbon sequestration (Burleigh Dodds Science Publishing Limited). Burleigh Dodds Science Publishing Limited. https://doi.org/10.19103/AS.2022.0106.05

Opfergelt, S., Hirst, C., Mauclet, E., Monhonval, A., Thomas, M., Gaspard, F., Villani, M., & Dailly, H. (2021). Changing conditions for mineral-organic carbon interactions across the permafrost landscape: hot moments more than hot spots? AGU Fall Meeting 2021, Virtual.

Opfergelt, S. (2021). Update synthesis: Permafrost thaw influences conditions for mineral-organic carbon interactions. 11th Annual Meeting of the Permafrost Carbon Network.

Guzman Thomas, Burlett Regis, Delvigne, C., Parise Camille, Dubois Sabrina, Martin-Gomez Paula, Opfergelt, S., & Wingate Lisa. (2021). Impact of transpiration rates on foliar silicon concentrations across a range of angiosperm species exposed to water stress. EGU General Assembly 2021, Virtual.

Monhonval, A., Opfergelt, S., Mauclet, E., Hirst, C., Bemelmans, N., Vandeuren, A., Pereira, B., & et al. (2021). Iron dynamics upon thermokarst formation in the Yedoma domain. ELI Day 2021, Virtual.

Louis, J., Monhonval, A., Alexia Gilliot, Vandeuren, A., Pereira, B., Loeka Jongejans, Jens Strauss, & Opfergelt, S. (2021). Influence of thermokarst formation on manganese-organic carbon interactions in ice-rich permafrost. 7th International Geologica Belgica Meeting 2021 (15/09/21 au 17/09/2021), Africa Museum (Tervuren, Belgium).

Gaspard, F., Hirst, C., & Opfergelt, S. (2021). Waters in hydrothermal and polar environments: further developments for silicon isotope measurements. ELI Day 2021, Virtual.

Broder Lisa, Hirst, C., Opfergelt, S., Lattaud Julie, Haghipour N., Eglinton Tim, Vonk Jorien, & Fouché Julien. (2021). Mobilization of particulate organic matter and minerals in Zackenberg valley, Greenland. EGU General Assembly 2021, Virtual.

Hirst, C., & Opfergelt, S. (2021). Can we use Arctic rivers to detect permafrost thaw? ELI DAY 2021, LLN - ONLINE ZOOM.

Mauclet, E., Hirst, C., Monhonval, A., Debruxelles, L., Ledman, J., Taylor, M., Schuur, E. A. G., & Opfergelt, S. (2021). Mineral element cycling through the soil-plant system upon permafrost thaw: case study in Interior Alaska. ELI DAY, LLN - ONLINE ZOOM.

Alexia Gilliot, Monhonval, A., Louis, J., Benoît Pereira, Vandeuren, A., Loeka Jongejans, Jens Strauss, & Opfergelt, S. (2021). Evolution of iron-organic carbon interactions during abrupt thaw in ice-rich permafrost: case study in Siberia. 7th International Geologica Belgica Meeting 2021 (15/09/21 au 17/09/2021), Africa Museum (Tervuren, Belgium).

Mauclet, E., Agnan, Y., Hirst, C., Monhonval, A., Justin Ledman, Meghan Taylor, Edward A. G. Schuur, & Opfergelt, S. (2021). Influence of permafrost degradation on foliar mineral element cycling upon changing subarctic tundra vegetation. 7th International Geologica Belgica Meeting 2021 (15/09/21 au 17/09/2021), Africa Museum (Tervuren, Belgium).

Villani, M., Mauclet, E., Agnan, Y., Edward A. G. Schuur, & Opfergelt, S. (2021). Influence of permafrost degradation and shift in vegetation on litter and soil properties: case study in Central Alaska. Conférence : 7th International Geologica Belgica Meeting 2021 (15/09/21 au 17/09/2021), Africa Museum (Tervuren, Belgium).

Zahajská, P., Olid, C., Stadmark, J., Fritz, S. C., Opfergelt, S., & Conley, D. J. (2021). Modern silicon dynamics of a small high-latitude subarctic lake. Biogeosciences, 18(7). https://doi.org/10.5194/bg-18-2325-2021 (Original work published 2021)

Gaspard, F., Opfergelt, S., Dessert, C., Robert, V., Ameijeiras Mariño, Y., & Delmelle, P. (2021). Imprint of chemical weathering and hydrothermalism on the Ge/Si ratio and Si isotope composition of rivers in a volcanic tropical island, Basse-Terre, Guadeloupe (French West Indies). Chemical Geology, 577(120283). https://doi.org/10.1016/j.chemgeo.2021.120283 (Original work published 2021)

Monhonval, A., Mauclet, E., Pereira, B., Vandeuren, A., Strauss, J., Grosse, G., Schirrmeister, L., Fuchs, M., Kuhry, P., Opfergelt, S., & et al. (2021). Mineral Element Stocks in the Yedoma Domain: A Novel Method Applied to Ice-Rich Permafrost Regions. Frontiers in Earth Science, 9(1), 773. https://doi.org/10.3389/feart.2021.703304 (Original work published 2021)

Pogge von Strandmann, P. A. E., Burton, K. W., Opfergelt, S., Genson, B., Guicharnaud, R. A., & Gislason, S. R. (2021). The lithium isotope response to the variable weathering of soils in Iceland. Geochimica et Cosmochimica Acta, 313, 55-73. https://doi.org/10.1016/j.gca.2021.08.020 (Original work published 2021)

Zahajská, P., Cartier, R., Fritz, S. C., Stadmark, J., Opfergelt, S., Yam, R., Shemesh, A., & Conley, D. J. (2021). Impact of Holocene climate change on silicon cycling in Lake 850, Northern Sweden. The Holocene : a major interdisciplinary journal focusing on recent environmental change, 1(11), 095968362110259. https://doi.org/10.1177/09596836211025973 (Original work published 2021)

Mauclet, E., Agnan, Y., Hirst, C., Monhonval, A., Taylor, M., Ledman, J., Schuur, E., & Opfergelt, S. (2021). What are the impacts of shifting Arctic tundra vegetation? Open Access Government, European Union(April 2021), 232. (Original work published 2021)

Opfergelt, S. (2021). The unaccounted-for side of permafrost carbon - ebook. Open Access Government, 29(3), 1-10. (Original work published 2021)

Delmelle, P., Maters, E. C., Calkins, J. A., Gaspard, F., Opfergelt, S., & Jenkins, S. F. (2021). Eruptive style controls the formation of silicon hexafluoride salts on volcanic ash: The case of the 2010 eruption of Eyjafjallajökull volcano, Iceland. Chemical Geology, 579. https://doi.org/10.1016/j.chemgeo.2021.120327 (Original work published 2021)

Murphy, M. J., Hendry, K., & Opfergelt, S. (2021). Editorial: Novel Isotope Systems and Biogeochemical Cycling During Cryospheric Weathering in Polar Environments. Frontiers in Earth Science, 9. https://doi.org/10.3389/feart.2021.660333 (Original work published 2021)

Monhonval, A., Strauss, J., Mauclet, E., Hirst, C., Bemelmans, N., Grosse, G., Schirrmeister, L., Fuchs, M., & Opfergelt, S. (2021). Iron Redistribution Upon Thermokarst Processes in the Yedoma Domain. Frontiers in Earth Science, 9. https://doi.org/10.3389/feart.2021.703339 (Original work published 2021)

Gaspard, F., Opfergelt, S., Hirst, C., Hurwitz, S., McCleskey, R. B., Zahajská, P., Conley, D. J., & Delmelle, P. (2021). Quantifying non‐thermal silicate weathering using Ge/Si and Si isotopes in rivers draining the Yellowstone Plateau Volcanic Field, USA. Geochemistry, Geophysics, Geosystems. Published. https://doi.org/10.1029/2021gc009904 (Original work published 2021)

Shmelev, D., Cherbunina, M., Rogov, V., Opfergelt, S., Monhonval, A., & Strauss, J. (2021). Reconstructing Permafrost Sedimentological Characteristics and Post-depositional Processes of the Yedoma Stratotype Duvanny Yar, Siberia. Frontiers in Earth Science, 9. https://doi.org/10.3389/feart.2021.727315 (Original work published 2021)

Brosens, L., Robinet, J., Pelckmans, I., Ameijeiras-Mariño, Y., Govers, G., Opfergelt, S., Minella, J. P. G., & Vanderborght, J. (2021). Have land use and land cover change affected soil thickness and weathering degree in a subtropical region in Southern Brazil? Insights from applied mid-infrared spectroscopy. CATENA, 207, 105698. https://doi.org/10.1016/j.catena.2021.105698 (Original work published 2021)