ELIE
Croix du Sud 2/L7.05.10
1348 Louvain-la-Neuve
Sophie Opfergelt
Professeure
Chercheuse qualifiée FNRS
May 2024 - Exposition photo au MuséeL "Arctique en transition" dans le cadre de la journée européenne des musées, en dialogue avec des oeuvres du MuséeL, Louvain-la-Neuve, Belgium (M. Villani, E. du Bois d'Aische, P. Roux, S. Opfergelt)
Feb 2024 - Exposition photo à la maison culturelle Jonniaux "Arctique en transition", Pommeroeul, Belgium (M. Villani, E. du Bois d'Aische, S. Opfergelt)
Jan 2024 - Interview in the letter from the “Plateforme wallone pour le GIEC” about permafrost
Dec 2023 - Lauréate du Prix Adolphe Wetrems en Sciences Naturelles décerné par la Classe des Sciences de l’Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique
Nov 2023 - Bianco Ordinario, Hélène Bellenger, projet artistique sur le concept de blanchité mêlant culture visuelle et géologie, collab. S. Fevry, S. Opfergelt, F. Blondeau (Fonds de recherche et création)
Oct 2023 - Fieldwork in Alaska (Daily science article ; Le Soir web article ; La Libre Belgique web article ; L’Avenir article print ; La Dernière Heure web article ; Sud Info ; RTL Info web article ; interview RTBF Matin Première)
Oct 2023 - La Traversée, projection à Mons avec l'explorateur N. Goffart et les scientifiques B. Bertrand, N. Bergeot, S. Opfergelt (collab. Francesco LoBlue, UMons)
Oct 2023 - Résidence d’artiste de Louise Vanneste (2023-2025), « Vers les territoires de l'imaginaire », lien entre le fonctionnement du végétal et les phénomènes géologiques et le climat, marraine académique
Oct 2023 - Articles mission Groenland Imaqa Expeditions en collaboration avec ULiège, ULB et UCLouvain (articles La Libre, la DH)
June 2023 - La Bellone, Bruxelles, "Pangée", conversation publique entre Louise Vanneste, danseuse et chorégraphe et Dénètem Touam Bona (artiste et philosophe) et Sophie Opfergelt (géologue) (projet FRArt)
April 2023 - Matière Grise - Zoom sur « Nanok Expédition » (RTBF Auvio)
March 2023 - Article dans le journal l'Avenir sur la collaboration UCLouvain et Nanok Expedition (projection du film "La Traversée au festival GO Future)
March 2023 - Participation au ciné-débat sur le permafrost basé sur le film "Pleistocene Park" au festival GO Future
Nov 2022 - MuséeL, exposition « Fossiles et Fictions », collaboratrice scientifique
August 2022 - Collaboration avec Nanok Expedition et participation au documentaire "La Traversée"
July 2022 - Podcast UCLouvain Exergie - Le permafrost et son impact sur notre budget CO2
June 2022 - Court métrage sur le permafrost réalisé par S. Seif eddine au cours "Techniques et Technologies Vidéographie" de R. Noviello - collab. avec ARTs², Mons et UCLouvain Culture
March 2022 - Livre illustré pour enfants sur le pergélisol réalisé par A. Montesi et D. Philippe, option "Communication visuelle et graphique" de J.-B. Libert - collab. avec ARTs², Mons et UCLouvain Culture
December 2021 - Radio Tendances Première - Au chevet du permafrost - interview
November 2021 - Abisko mission on national media (RTBF web article; La première Radio JT ; Journal télévisé RTL – 13H et 19H ; RTL info – Web; DH net Web ; L’Avenir)
February 2021 - The unaccounted-for side of permafrost carbon, ebook, Open Access Government
August 2020 - Horizon Magazine, interview - role of weathering and erosion in the carbon cycle
July 2020 - Communication about the WeThaw project to the EU Research Journal
May 2020 - Le permafrost arctique en péril grave (interview Le Soir)
2020-2023 - Contribution to exhibition "ParTouthétys", Musée Riveo, Hotton, for 3 years about large rivers including Yukon, Alaska (contribution from WeThaw project: video, text, photos, samples)
March 2020 - General public conf., Impact of climate change on permafrost, Rotary-club LLN
November 2019 - Contribution to exhibition BST « Mendeleïev : 150 Ans Du Tableau Périodique » (poster about Carbon in permafrost environments)
October 2019 - RTBF, scientific outreach with Quel temps, 28 october 2019
September 2019 - Reportage RTBF after fieldwork in Alaska
September 2019 - Article in Daily Science about the mission to Alaska
August 2019 - Interview on national television (RTL 13h, RTL 19h, RTBF 13h) and on regional television (TVcom) about the mission in Alaska
August 2019 - Interview on national radio (RTBF) and on regional radio (Vivacité Journal, Vivacité BW Matin, Vivacité BW Matin) about the mission in Alaska
August 2019 - Newspaper and Web articles about the mission in Alaska (La DH, La libre, L’Avenir, RTBF, RTLInfo, Le Vif, TVcom, L’Avenir BW)
May 2019 - Interview in ScienceToday about the WeThaw project
June 2018 - Interview in ScienceToday about the fieldwork in Alaska in May 2018
May 2018 - The project WeThaw in the satellite of Louvain[s]
November 2017 - Participation au film "Uni-Diversité: Passions de chercheurs" créé pour le Musée L
October 2017 - Interview UCL Presse about the ERC project on permafrost (WeThaw)
June 2017 - Interview Radiocontact (Contact News 19h30, 01/06/17) - implications pour notre planète à l’annonce du retrait des USA des accords de Paris sur le climat
November 2015 - Interview UCL Presse - recherches en lien avec le changement climatique dans le contexte de la conférence de Paris (COP21)
March 2015 - Pr. Oliver Chadwick (UC Santa Barbara, US) hosted in our lab to receive the title of Doctorat Honoris Causa at UCL during the International Year of Soils
February 2015 - Interview dans la Revue Athena (pg 32-35)
October 2014 - Interview dans la revue FNRS news (pg 36)
September 2006 - AGU Journal Highlights in EOS regarding the publication in GRL about the contribution of smectite clays to slope instability on volcanic flanks
I have developed my interest in weathering since my MSc thesis on hydrothermally altered materials involved in debris avalanche at Casita volcano, Nicaragua. I completed my PhD in 2008 at the Faculty of Bioscience engineering of the Université catholique de Louvain (Belgium) on “Silicon cycle in the soil-plant system: Biogeochemical tracing using Si isotopes”.
In 2009-2010, I moved to the University of Oxford (UK) where I worked as a Post-doctoral Researcher in the Department of Earth Sciences.
Since 2011, I have been at the Earth and Life Institute of the Université catholique de Louvain (Belgium), where I was promoted permanent FNRS Research Associate in 2014. In 2014, I was presented with the Ebelmen Award of the International Association of Geochemistry in recognition for my contribution to the use of silicon isotopes to distinguish biological and inorganic processes.
- Diploma
Year Label Educational Organization 2000 Candidate en sciences géologiques Université catholique de Louvain 2002 Licenciée en sciences géologiques Université catholique de Louvain 2006 Diplômée d'études approfondies en sciences agronomiques et ingénierie biologique Université catholique de Louvain 2008 Docteur en sciences agronomiques et ingénierie biologique Université catholique de Louvain
Since 2016, I teach “Introduction to Earth Sciences” (LBIR1130) with P. Delmelle to first year students from the “Faculté des bioingénieurs” and “Faculté des sciences” (~500 students). The course is based on the book “Terre, portrait d'une planète” by S. Marshak. My contribution to this course is about mineralogy, the rock cycle, shaping the Earth surface, deformation and metamorphic rocks, fossils and evolution, geological times, Earth’s biography, Earth resources, processes and problems at the Earth’s surface (glaciers, deserts, global change). The practicals of this course represent the first opportunity for the students to manipulate minerals, rocks and fossils, get a direct sense of their properties, and discover their beauty under the microscope.
Teaching team
Professors: Pierre Delmelle (coordinator) and Sophie Opfergelt
Teaching assistant: Aubry Vandeuren
Collaborator: Gérard Philippe
- Courses
Name ID Introduction to Earth sciences LBIR1130
The motivation of my research is the understanding of the Earth’s surface processes controlling chemical weathering and element export from continent to the hydrosphere (rock-soil-plant-water systems). Chemical weathering of minerals in the Earth’s Critical Zone is the engine that replenishes the soil mineral nutrient reserve and ultimately nourishes terrestrial and aquatic ecosystems. Changing weathering dynamics in the Critical Zone in response to climate and land use changes is expected to impact on mineral nutrient cycling and mineral nutrient export to rivers. With my research group, I tackle the complexity of interacting processes (abiotic, biotic) involved in mineral weathering by an analytical approach combining soil science, geology, geochemistry and isotope geochemistry (e.g., Ge/Si ratio, stable isotopes of Si, Mg, etc.).
Research projects
Magnitude of winter biogeochemical connectivity in permafrost environments (MOIST), FNRS, CDR, 2023-2025
Evolution of colloid transfer during river ice break-up in permafrost catchments (CEDRIC), Circle U. Seed funding (UCLouvain, Université Paris Cité, University of Oslo), 2024
Pushing the boundaries of Critical Zone research: Unravelling hydrological controls on carbon and nutrient fluxes by integrating proximal sensing, field measurements and smart modelling (LandSense), ARC, 2021-2026
Nutrient lift upon permafrost thaw: sources and controlling processes (LIFTHAW), Belspo, IMPULS, 2023-2025
Recent Arctic and Antarctic sea ice lows: same causes, same impacts? (RESIST), Belspo, IMPULS, 2023-2026
Mineral Weathering in Thawing Permafrost: Causes and Consequences (WeThaw), ERC Starting Grant, 2017-2022
Scientific collaboration with Nanok Expedition (Royal Observatory of Belgium, ULB, ULg, UCLouvain, GEUS)
Controls on weathering fluxes from hydrothermally-active volcanic regions (FluxHyd), FNRS, PDR, 2016-2020
Soils under global change (SOGLO), BELSPO, IAP, 2012-2017
Programme de Révision de la Carte géologique de la Wallonie, SPW, 2016-2020
2024
Henrion, Maud ; Li, Yanfei ; Koganti, Triven ; Bechtold, Michel ; Jonard, François ; Opfergelt, Sophie ; Vanacker, Veerle ; Van Oost, Kristof ; Lambot, Sébastien. Mapping and monitoring peatlands in the Belgian Hautes Fagnes: Insights from Ground-penetrating radar and Electromagnetic induction characterization. In: Geoderma Regional, Vol. 37, p. e00795 (2024). doi:10.1016/j.geodrs.2024.e00795.
2023
Hirst, Catherine ; Monhonval, Arthur ; Mauclet, Elisabeth ; Thomas, Maxime ; Villani, Maëlle ; Ledman, Justin ; Schuur, Edward. A. G. ; Opfergelt, Sophie. Evidence for late winter biogeochemical connectivity in permafrost soils. In: Communications Earth & Environment, Vol. 4, no. 1 (2023) (2023). doi:10.1038/s43247-023-00740-6.
2023
Thomas, Maxime ; Monhonval, Arthur ; Hirst, Catherine ; Bröder, Lisa ; Zolkos, Scott ; Vonk, Jorien E. ; Tank, Suzanne E. ; Keskitalo, Kirsi H. ; Shakil, Sarah ; Kokelj, Steven V. ; van der Sluijs, Jurjen ; Opfergelt, Sophie. Evidence for preservation of organic carbon interacting with iron in material displaced from retrogressive thaw slumps: Case study in Peel Plateau, western Canadian Arctic. In: Geoderma, Vol. 433, no. 116443 (2023). doi:10.1016/j.geoderma.2023.116443.
2023
Monhonval, Arthur ; Mauclet Elisabeth ; Hirst, Catherine ; Bemelmans, Nathan ; Eekman, Elodie ; Schuur Edward ; Opfergelt, Sophie. Mineral organic carbon interactions in dry versus wet tundra soils. In: Geoderma, Vol. 436, no.116552, p. 116552 (2023). doi:10.1016/j.geoderma.2023.116552.
2023
Mauclet, Elisabeth ; Villani, Maëlle ; Monhonval, Arthur ; Hirst, Catherine ; Schuur, E.A.G ; Opfergelt, Sophie. Quantifying exchangeable base cations in permafrost: a reserve of nutrients about to thaw. In: Earth System Science Data, Vol. 15, no.9, p. 3891–3904 (2023). doi:10.5194/essd-15-3891-2023.
2023
Monhonval, Arthur ; Hirst, Catherine ; Jens Strauss ; Edward Schuur ; Opfergelt, Sophie. Strontium isotopes trace the dissolution and precipitation of mineral organic carbon interactions in thawing permafrost. In: Geoderma, Vol. 433, no.116456, p. 116456 (2023). doi:10.1016/j.geoderma.2023.116456.
2023
Zahajská, Petra ; Frings, Patrick J. ; Gaspard, François ; Opfergelt, Sophie ; Stadmark, Johanna ; Fritz, Sherilyn C. ; Cartier, Rosine ; Conley, Daniel J.. The Holocene silicon biogeochemistry of Yellowstone Lake, USA. In: Quaternary Science Reviews, Vol. 322, p. 108419 (2023). doi:10.1016/j.quascirev.2023.108419.
2023
Mauclet, Elisabeth ; Hirst, Catherine ; Monhonval, Arthur ; Stevenson, Emily ; Gérard, Merlin ; Villani, Maëlle ; Dailly, Hélène ; Schuur, Edward ; Opfergelt, Sophie. Tracing changes in base cation sources for Arctic tundra vegetation upon permafrost thaw. In: Geoderma, Vol. 429, no.429, p. 116277 (2022). doi:10.1016/j.geoderma.2022.116277.
2022
Mauclet, Elisabeth ; Agnan, Yannick ; Hirst, Catherine ; Monhonval, Arthur ; Pereira, Benoît ; Vandeuren, Aubry ; Villani, Maëlle ; Ledman, Justin ; Taylor, Meghan ; Jasinski, Briana L. ; Schuur, Edward A. G. ; Opfergelt, Sophie. Changing sub-Arctic tundra vegetation upon permafrost degradation: impact on foliar mineral element cycling. In: Biogeosciences, Vol. 19, no.9, p. 2333-2351 (2022). doi:10.5194/bg-19-2333-2022.
2022
Bröder, Lisa ; Hirst, Catherine ; Opfergelt, Sophie ; Thomas, Maxime ; Vonk, J. E. ; Haghipour, N. ; Eglinton, T. I. ; Fouché, J.. Contrasting Export of Particulate Organic Carbon From Greenlandic Glacial and Nonglacial Streams. In: Geophysical Research Letters, Vol. 49, no.21, p. 1 (2022). doi:10.1029/2022gl101210.
2022
Villani, Maëlle ; Mauclet, Elisabeth ; Agnan, Yannick ; Druel, Arsène ; Jasinski, Briana ; Taylor, Meghan ; Schuur, Edward A.G. ; Opfergelt, Sophie. Mineral element recycling in topsoil following permafrost degradation and a vegetation shift in sub-Arctic tundra. In: Geoderma, Vol. 421, p. 115915 (2022). doi:10.1016/j.geoderma.2022.115915.
2022
Hirst, Catherine ; Mauclet, Elisabeth ; Monhonval, Arthur ; Tihon Emeline ; Ledman Justin ; Schuur Edward A.G. ; Opfergelt, Sophie. Seasonal changes in hydrology and permafrost degradation control mineral element-bound DOC transport from permafrost soils to streams. In: Global Biogeochemical Cycles : an international journal of global change, Vol. 36, no. 2 (2022), p. 1-24 (2022). doi:10.1029/2021GB007105.
2022
Monhonval, Arthur ; Strauss, Jens ; Thomas, Maxime ; Hirst, Catherine ; Titeux, Hugues ; Louis, Justin ; Gilliot, Alexia ; du Bois d'Aische, Eléonore ; Pereira, Benoît ; Vandeuren, Aubry ; Grosse, Guido ; Schirrmeister, Lutz ; Jongejans, Loeka L. ; Ulrich, Mathias ; Opfergelt, Sophie. Thermokarst processes increase the supply of stabilizing surfaces and elements (Fe, Mn, Al, and Ca) for mineral–organic carbon interactions. In: Permafrost and Periglacial Processes, (2022). doi:10.1002/ppp.2162.
2021
Murphy, Melissa J. ; Hendry, Katharine ; Opfergelt, Sophie. Editorial: Novel Isotope Systems and Biogeochemical Cycling During Cryospheric Weathering in Polar Environments. In: Frontiers in Earth Science, Vol. 9 (2021). doi:10.3389/feart.2021.660333.
2021
Delmelle, Pierre ; Maters, Elena C. ; Calkins, Julie A. ; Gaspard, François ; Opfergelt, Sophie ; Jenkins, Susanna F.. Eruptive style controls the formation of silicon hexafluoride salts on volcanic ash: The case of the 2010 eruption of Eyjafjallajökull volcano, Iceland.. In: Chemical Geology, Vol. 579 (2021). doi:10.1016/j.chemgeo.2021.120327.
2021
Brosens, Liesa ; Robinet, Jérémy ; Pelckmans, Ignace ; Ameijeiras-Mariño, Yolanda ; Govers, Gerard ; Opfergelt, Sophie ; Minella, Jean P.G. ; Vanderborght, Jan. 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. In: CATENA, Vol. 207, p. 105698 (2021). doi:10.1016/j.catena.2021.105698.
2021
Zahajská, Petra ; Cartier, Rosine ; Fritz, Sherilyn C ; Stadmark, Johanna ; Opfergelt, Sophie ; Yam, Ruth ; Shemesh, Aldo ; Conley, Daniel J. Impact of Holocene climate change on silicon cycling in Lake 850, Northern Sweden. In: The Holocene, Vol. 1, no.11, p. 095968362110259 (2021). doi:10.1177/09596836211025973.
2021
Gaspard, François ; Opfergelt, Sophie ; Dessert, Céline ; Robert, Vincent ; Ameijeiras Mariño, Yolanda ; Delmelle, Pierre. 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). In: Chemical Geology. Isotope Geoscience Section, Vol. 577, no.120283 (2021). doi:10.1016/j.chemgeo.2021.120283.
2021
Monhonval, Arthur ; Strauss, Jens ; Mauclet, Elisabeth ; Hirst, Catherine ; Bemelmans, Nathan ; Grosse, Guido ; Schirrmeister, Lutz ; Fuchs, Matthias ; Opfergelt, Sophie. Iron Redistribution Upon Thermokarst Processes in the Yedoma Domain. In: Frontiers in Earth Science, Vol. 9 (2021). doi:10.3389/feart.2021.703339.
2021
Monhonval, Arthur ; Mauclet, Elisabeth ; Pereira, Benoît ; Vandeuren, Aubry ; Strauss, Jens ; Grosse, Guido ; Schirrmeister, Lutz ; Fuchs, Matthias ; Kuhry, Peter ; Opfergelt, Sophie. Mineral Element Stocks in the Yedoma Domain: A Novel Method Applied to Ice-Rich Permafrost Regions. In: Frontiers in Earth Science, Vol. 9, no.1, p. 773 (2021). doi:10.3389/feart.2021.703304.
2021
Zahajská, Petra ; Olid, Carolina ; Stadmark, Johanna ; Fritz, Sherilyn C. ; Opfergelt, Sophie ; Conley, Daniel J. . Modern silicon dynamics of a small high-latitude subarctic lake. In: Biogeosciences, Vol. 18, no.7 (2021). doi:10.5194/bg-18-2325-2021.
2021
Gaspard, François ; Opfergelt, Sophie ; Hirst, Catherine ; Hurwitz, Shaul ; McCleskey, R. Blaine ; Zahajská, Petra ; Conley, Daniel J. ; Delmelle, Pierre. Quantifying non‐thermal silicate weathering using Ge/Si and Si isotopes in rivers draining the Yellowstone Plateau Volcanic Field, USA. In: Geochemistry, Geophysics, Geosystems, (2021). doi:10.1029/2021gc009904.
2021
Shmelev, Denis ; Cherbunina, Maria ; Rogov, Victor ; Opfergelt, Sophie ; Monhonval, Arthur ; Strauss, Jens. Reconstructing Permafrost Sedimentological Characteristics and Post-depositional Processes of the Yedoma Stratotype Duvanny Yar, Siberia. In: Frontiers in Earth Science, Vol. 9 (2021). doi:10.3389/feart.2021.727315.
2021
Pogge von Strandmann, Philip A.E. ; Burton, Kevin W. ; Opfergelt, Sophie ; Genson, Bianca ; Guicharnaud, Rannveig A. ; Gislason, Sigurður R.. The lithium isotope response to the variable weathering of soils in Iceland. In: Geochimica et Cosmochimica Acta, Vol. 313, p. 55-73 (2021). doi:10.1016/j.gca.2021.08.020.
2021
Opfergelt, Sophie. The unaccounted-for side of permafrost carbon - ebook. In: Open Access Government, Vol. 29, no.3, p. 1-10 (2021).
2021
Mauclet, Elisabeth ; Agnan, Yannick ; Hirst, Catherine ; Monhonval, Arthur ; Taylor, Meghan ; Ledman, Justin ; Schuur, Edouard ; Opfergelt, Sophie. What are the impacts of shifting Arctic tundra vegetation?. In: Open Access Government, Vol. European Union, no. April 2021, p. 232 (2021).
2020
Baronas, J. Jotautas ; West, A. Joshua ; Burton, Kevin W. ; Hammond, Douglas E. ; Opfergelt, Sophie ; Pogge von Strandmann, Philip A. E. ; James, Rachael H. ; Rouxel, Olivier J.. Ge and Si Isotope Behavior During Intense Tropical Weathering and Ecosystem Cycling. In: Global Biogeochemical Cycles, Vol. 34, no. 8 (2020), p. e2019GB006522 (1-25) (2020). doi:10.1029/2019gb006522.
2020
Pogge von Strandmann, Philip A. E. ; Burton, Kevin W. ; Opfergelt, Sophie ; Eiríksdóttir, Eydís S. ; Murphy, Melissa J. ; Einarsson, Arni ; Gislason, Sigurdur R.. Hydrothermal and Cold Spring Water and Primary Productivity Effects on Magnesium Isotopes: Lake Myvatn, Iceland. In: Frontiers in Earth Science, Vol. 8, p. article 109 (2020). doi:10.3389/feart.2020.00109.
2020
Hirst, Catherine ; Opfergelt, Sophie ; Gaspard, François ; Hendry, Katharine R. ; Hatton, Jade E. ; Welch, Susan ; McKnight, Diane M. ; Berry Lyons, W.. Silicon Isotopes Reveal a Non-glacial Source of Silicon to Crescent Stream, McMurdo Dry Valleys, Antarctica. In: Frontiers in Earth Science, Vol. 8 (2020), p. article 229 (2020). doi:10.3389/feart.2020.00229.
2020
Hatton, Jade E. ; Hendry, Katharine R. ; Hirst, Catherine ; Opfergelt, Sophie ; Henkel, Susann ; Silva-Busso, Adrián ; Welch, Susan A. ; Wadham, Jemma L. ; Lyons, W. Berry ; Bagshaw, Elizabeth ; Staubwasser, Michael ; McKnight, Diane M.. Silicon Isotopic Composition of Dry and Wet-Based Glaciers in Antarctica. In: Frontiers in Earth Science, Vol. 8, p. 286 (2020). doi:10.3389/feart.2020.00286.
2020
Brosens, Liesa ; Campforts, Benjamin ; Robinet, Jérémy ; Vanacker, Veerle ; Opfergelt, Sophie ; Ameijeiras‐Mariño, Yolanda ; Minella, Jean P. G. ; Govers, Gerard. Slope Gradient Controls Soil Thickness and Chemical Weathering in Subtropical Brazil: Understanding Rates and Timescales of Regional Soilscape Evolution Through a Combination of Field Data and Modeling. In: Journal of Geophysical Research: Earth Surface, no. 6 (2020), p. 1-26 (2020). doi:10.1029/2019jf005321.
2020
Bouchard, Frédéric ; Agnan, Yannick ; Bröder, Lisa ; Fouché, Julien ; Hirst, Catherine ; Sjöberg, Ylva ; Alexis M ; Behmel S ; Biskaborn B ; Christaki U ; Dean J ; Desyatkin A ; Farquharson L ; Fishback L ; Fortier D ; Fritz M ; Gandois G ; Hugelius L ; Jardillier L ; Jones B ; Kanevskiy M ; Lantuit H ; Laurion I ; Lebedeva L ; Opfergelt, Sophie ; Palmtag J ; Roy-Léveilléee P ; Rudy A ; Séjourné A ; Siewert M.B ; Tank S ; Tanski G ; Teisserenc R ; Vonk J.E. ; Zolkos S. The SPLASH Action Group - Towards standardized sampling strategies in permafrost science. In: Advances in Polar Science, Vol. 31, no. 3, p. 153-155 (2020). doi:10.13679/j.advps.20 20.0009.
2020
Opfergelt, Sophie. The next generation of climate model should account for the evolution of mineral-organic interactions with permafrost thaw. In: Environmental Research Letters, Vol. 15, no. 9, p. 091003 (2020). doi:10.1088/1748-9326/ab9a6d.
2020
Opfergelt, Sophie. The unaccounted-for side of permafrost carbon - profile. In: Open Access Government, Vol. 3, no.1, p. 240 (2020).
2020
Zahajská, Petra ; Opfergelt, Sophie ; Fritz, Sherilyn C. ; Stadmark, Johanna ; Conley, Daniel J.. What is diatomite?. In: Quaternary Research, Vol. 96, p. 48-52 (2020). doi:10.1017/qua.2020.14.
2019
Vanacker, Veerle ; Ameijeiras Mariño, Yolanda ; Schoonejans, Jerome ; Cornelis, Jean-Thomas ; Minella, Jean ; Lamouline, Florence ; Vermeire, Marie-Liesse ; Campforts, Benjamin ; Robinet, Jeremy ; Van de Broek, Marijn ; Delmelle, Pierre ; Opfergelt, Sophie. Land use impacts on soil erosion and rejuvenation in Southern Brazil. In: CATENA, Vol. 178, p. 256-266 (2019). doi:10.1016/j.catena.2019.03.024.
2019
Cornelis, J.-T. ; Weis, D. ; Opfergelt, Sophie ; Van Ranst, E. ; Dumon, M.. Past and current geochemical conditions influence silicon isotope signatures of pedogenic clay minerals at the soil profile scale, Ethiopia. In: Chemical Geology, Vol. 524, no.5, p. 174-183 (2019). doi:10.1016/j.chemgeo.2019.06.013.
2019
Hatton, Jade E. ; Hendry, Katharine R. ; Hawkings, Jonathan R. ; Wadham, Jemma L. ; Opfergelt, Sophie ; Kohler, Tyler J. ; Yde, Jacob C. ; Stibal, Marek ; Žárský, Jakub D.. Silicon isotopes in Arctic and sub-Arctic glacial meltwaters: the role of subglacial weathering in the silicon cycle. In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 475, no.2228, p. 20190098 (2019). doi:10.1098/rspa.2019.0098.
2018
Ameijeiras Mariño, Yolanda ; Opfergelt, Sophie ; Derry Louis A. ; Robinet Jérémy ; Govers Gerard ; Minella Jean P.G. ; Delmelle, Pierre. Ge/Si ratios point to increased contribution from deeper mineral weathering to streams after forest conversion to cropland. In: Applied Geochemistry, Vol. 96, p. 24-34 (2018).
2018
Robinet, Jérémy ; Minella, Jean P. G. ; de Barros, Cláudia A. P. ; Schlesner, Alexandre ; Lücke, Andreas ; Ameijeiras Mariño, Yolanda ; Opfergelt, Sophie ; Vanderborght, Jan ; Govers, Gerard. Impacts of forest conversion and agriculture practices on water pathways in Southern Brazil. In: Hydrological Processes, Vol. 32, no.15, p. 2304-2317 (2018). doi:10.1002/hyp.13155.
2017
Detienne, Marie ; Delmelle, Pierre ; Guevara, Alicia ; Samaniego, P ; Opfergelt, Sophie ; Mothes, P.A. Contrasting origin of two clay-rich debris flows at Cayambe Volcanic Complex, Ecuador. In: Bulletin of Volcanology, , no.79:27 (2017). doi:10.1007/s00445-017-1111-2.
2017
Ameijeiras Mariño, Yolanda ; Opfergelt, Sophie ; Schoonejans, Jérôme ; Vanacker, Veerle ; Sonnet, Philippe ; de Jong, Jeroen ; Delmelle, Pierre. Impact of low denudation rates on soil chemical weathering intensity: A multiproxy approach. In: Chemical Geology, no. 456, p. 72-84 (2017). doi:10.1016/j.chemgeo.2017.03.007.
2017
Opfergelt, Sophie ; Williams, H.M ; Cornélis, Jean-Thomas ; Guicharnaud, R.A ; Georg, R.B. ; Siebert, C. ; Gislason, S.R. ; Halliday, A.N. ; Burton, K.W.. Iron and silicon isotope behaviour accompanying weathering in Icelandic soils, and the implications for iron export from peatlands. In: Geochimica et Cosmochimica Acta, , no.217, p. 273-291 (2017). doi:10.1016/j.gca.2017.08.033.
2017
Unzué-Belmonte, Dacil ; Ameijeiras Mariño, Yolanda ; Opfergelt, Sophie ; Cornélis, Jean-Thomas ; Barao, Lucia ; Minella, Jean ; Meire, Patrick ; Struyf, Eric. Land use change affects biogenic silica pool distribution in a subtropical soil toposequence. In: Soil Earth, no. 8, p. 737-750 (2017). doi:10.5194/se-8-737-2017.
2017
Schoonejans, Jérôme ; Vanacker, Veerle ; Opfergelt, Sophie ; Christl, M. Long-term soil erosion derived from in-situ 10Be and inventories of meteoric 10Be in deeply weathered soils in southern Brazil. In: Chemical Geology, , no.466, p. 380-388 (2017). doi:10.1016/j.chemgeo.2017.06.025.
2017
Opfergelt, Sophie ; Cornélis, Jean-Thomas ; Houben, David ; Givron, Claudine ; Burton, K.W ; Mattielli, Nadine. The influence of weathering and soil organic matter on Zn isotopes in soils. In: Chemical Geology, , no.466, p. 140-148 (2017). doi:10.1016/j.chemgeo.2017.06.002.
2016
Schoonejans, Jérôme ; Vanacker, Veerle ; Opfergelt, Sophie ; Granet, Mathieu ; Chabaux, François. Coupling uranium series and 10Be cosmogenic radionuclides to evaluate steady-state soil thickness in the Betic Cordillera. In: Chemical Geology, Vol. 446, no.0, p. 99-109 (2016). doi:10.1016/j.chemgeo.2016.03.030.
2016
Delvigne, Camille ; Opfergelt, Sophie ; Cardinal, Damien ; Hofmann, Axel ; André, Luc. Desilication in Archean weathering processes traced by silicon isotopes and Ge/Si ratios. In: Chemical Geology, , no.420, p. 139-147 (2016). doi:10.1016/j.chemgeo.2015.11.007.
2016
Schoonejans, Jérôme ; Vanacker, Veerle ; Opfergelt, Sophie ; Ameijeiras Mariño, Yolanda. Kinetically limited weathering at low denudation rates in semiarid climatic conditions.. In: Journal of Geophysical Research, Vol. 121, no. 121 (2016), p. 336–350 (2016). doi:10.1002/2015jf003626.
2016
Oye Anda, Corinne Coretta ; Opfergelt, Sophie ; Declerck, Stephan. Silicon acquisition by bananas (c.V.Grande Naine) is increased in presence of the arbuscularmycorrhizal fungus Rhizophagus irregularis MUCL 41833. In: Plant and Soil : international journal on plant-soil relationships, Vol. 409, no.1, p. 77-85 (2016). doi:10.1007/s11104-016-2954-6.
2016
Pogge von Strandmann, Philip A.E. ; Burton, Kevin W. ; Opfergelt, Sophie ; Eiríksdóttir, Eydís S. ; Murphy, Melissa J. ; Einarsson, Arni ; Gislason, Sigurdur R.. The effect of hydrothermal spring weathering processes and primary productivity on lithium isotopes: Lake Myvatn, Iceland. In: Chemical Geology, Vol. 445, no.0, p. 4-13 (2016). doi:10.1016/j.chemgeo.2016.02.026.
2015
Tallberg, Petra ; Opfergelt, Sophie ; Cornélis, Jean-Thomas ; Liljendahl, Anne ; Weckström, Jan. High concentrations of amorphous, biogenic Si (BSi)in the sediment of a small high-latitude lake: implications for biogeochemical Si cycling and for the use of BSi as a paleoproxy. In: Aquatic sciences, no. 77, p. 293-305 (2015). doi:10.1007/s00027-014-0387-y.
2015
Siebert, C. ; Pett-Ridge, J.C. ; Opfergelt, Sophie ; Guicharnaud, R.A. ; Halliday , A.N. ; Burton, K.W.. Molybdenum isotope fractionation in soils: influence of redox conditions, organic matter, and atmospheric inputs. In: Geochimica et Cosmochimica Acta, , no.162, p. 1-24 (2015). doi:10.1016/j.gca.2015.04.007.
2015
Doetterl, Sébastien ; Cornélis, Jean-Thomas ; Six, J. ; Bodé, Samuel ; Opfergelt, Sophie ; Boeckx, Pascal ; Van Oost, Kristof. Soil redistribution and weathering controlling the fate of geochemical and physical carbon stabilization mechanisms in soils of an eroding landscape. In: Biogeosciences, , no.12, p. 1357-1371 (2015). doi:10.5194/bg-12-1357-2015.
2015
Xiong, Z ; Li, Tiegang ; Algeo, Thomas ; Doering, Kristin ; Frank, Martin ; Brzezinski, Mark A. ; Chang, Fengming ; Opfergelt, Sophie ; Crosta, Xavier ; Jiang, Fuqing ; Wan, Shiming ; Zhai, Bin. The silicon isotope composition of Ethmodiscus rex laminated diatom mats from the tropical West Pacific: Implications for silicate cycling during the Last Glacial Maximum. In: Paleooceanography, no. 30, p. 803-823 (2015). doi:10.1002/2015PA002793.
2015
Couder, Eléonore ; Mattielli, Nadine ; Drouet, Thomas ; Smolders, Erik ; Delvaux, Bruno ; Iserentant, Anne ; Meeus, Coralie ; Maerschalk, Claude ; Opfergelt, Sophie ; Houben, David. Transpiration flow controls Zn transport in Brassica napus and Lolium multiflorum under toxic levels as evidenced from isotopic fractionation. In: Comptes rendus. Geoscience, no. 347, p. 386-396 (2015). doi:10.1016/j.crte.2015.05.004.
2014
Houben, David ; Sonnet, Philippe ; Tricot, Guillaume ; Mattielli, Nadine ; Couder, Eléonore ; Opfergelt, Sophie. Impact of Root-Induced Mobilization of Zinc on Stable Zn Isotope Variation in the Soil-Plant System.. In: Environmental Science & Technology (Washington), Vol. 48, no. 14, p. 7866-7873 (2014). doi:10.1021/es5002874.
2014
Opfergelt, Sophie ; Burton, K.W. ; Georg, R.B. ; West, A.J. ; Guicharnaud, R.A. ; Sigfusson, B. ; Siebert, C. ; Gislason, S.R. ; Halliday, A.N.. Magnesium retention on the soil exchange complex controlling Mg isotope variations in soils, soil solutions and vegetation in volcanic soils. In: Geochimica et Cosmochimica Acta, Vol. 125, p. 110-130 (2014). doi:10.1016/j.gca.2013.09.036.
2013
Opfergelt, Sophie ; Burton, K.W. ; Pogge von Strandmann , P.A.E. ; Gislason, S.R. ; Halliday, A.N.. Corrigendum to: Riverine silicon isotope variations in glaciated basaltic terrains: implications for the Si delivery to the ocean over glacial-interglacial intervals [Earth Planet. Sci. Lett. 369-370 (2013) 211-219]. In: Earth and Planetary Science Letters, Vol. 375, p. 451-452 (2013). doi:10.1016/j.epsl.2013.07.010.
2013
Opfergelt, Sophie ; Burton, K.W. ; Pogge von Strandmann, P.A.E. ; Gislason, S.R. ; Halliday, A.N.. Riverine silicon isotope variations in glaciated basaltic terrains: implications for the Si delivery to the ocean over glacial-interglacial intervals. In: Earth and Planetary Science Letters, Vol. 369-370, p. 211-219 (2013). doi:10.1016/j.epsl.2013.03.025.
2012
Pogge von Strandmann, P.A.E. ; Opfergelt, Sophie ; Lai, Y.J. ; Sigfusson, B. ; Gislason, S.R. ; Burton, K.W.. Lithium, magnesium and silicon isotope behaviour accompanying weathering in a basaltic soil and pore water profile in Iceland. In: Earth and Planetary Science Letters, Vol. 339-340, p. 11-23 (2012). doi:10.1016/j.epsl.2012.05.035.
2012
Opfergelt, Sophie ; Georg, R.B. ; Delvaux, Bruno ; Cabidoche, Y.M. ; Burton , K.W. ; Halliday , A.N.. Mechanisms of magnesium isotope fractionation in volcanic soil weathering sequences, Guadeloupe. In: Earth and Planetary Science Letters, Vol. 341-344, p. 176-185 (2012). doi:10.1016/j.epsl.2012.06.010.
2012
Opfergelt, Sophie ; Delmelle, Pierre. Silicon isotopes and continental weathering processes: assessing controls on Si transfer to the ocean. In: Comptes rendus. Geoscience, Vol. 344, no. 11-12, p. 723-738 (2012). doi:10.1016/j.crte.2012.09.006.
2012
Opfergelt, Sophie ; Georg, R.B. ; Delvaux, Bruno ; Cabidoche, Y.-M. ; Burton, K.W. ; Halliday, A.N.. Silicon isotopes and the tracing of desilication in volcanic soil weathering sequences, Guadeloupe. In: Chemical Geology, Vol. 326-327, p. 113-122 (2012). doi:10.1016/j.chemgeo.2012.07.032.
2011
Opfergelt, Sophie ; Eiriksdottir, E.S. ; Burton, K.W. ; Einarsson, A. ; Siebert, C ; Gislason, S.R. ; Halliday, A.N. Quantifying the impact of freshwater diatom productivity on silicon isotopes and silicon fluxes : Lake Myvatn, Iceland. In: Earth and Planetary Science Letters, , no. 305, p. 73-82 (2011). doi:10.1016/j.epsl.2011.02.043.
2011
Opfergelt, Sophie ; Burton, K.W. ; Guicharnaud, R. ; Siebert, C. ; Gislason, S.R. ; Halliday, A.N.. Silicon isotopes in allophane as a proxy for mineral formation in volcanic soils. In: Applied Geochemistry, Vol. 26, no. S1, p. S115-S118 (2011). doi:10.1016/j.apgeochem.2011.03.044.
2011
Cornélis, Jean-Thomas ; Delvaux, Bruno ; Georg, Bastian ; Lucas, Yves ; Ranger, Jacques ; Opfergelt, Sophie. Tracing the origin of dissolved silicon transferred from various soil-plant systems towards rivers: a review. In: Biogeosciences, Vol. 8, p. 89-112 (2011). doi:10.5194/bg-8-89-2011.
2010
Cardinal, D. ; Gaillardet, J. ; Hughes, H. J. ; Opfergelt, Sophie ; André, Luc. Contrasting silicon isotope signatures in rivers from the Congo Basin and the specific behaviour of organic-rich waters. In: Geophysical Research Letters, Vol. 37 (2010). doi:10.1029/2010GL043413.
2010
Cornélis, Jean-Thomas ; Delvaux, Bruno ; Cardinal, D. ; André, Luc ; Ranger, J. ; Opfergelt, Sophie. Tracing mechanisms controlling the release of dissolved silicon in forest soil solutions using Si isotopes and Ge/Si ratios. In: Geochimica et Cosmochimica Acta, Vol. 74, no. 14, p. 3913-3924 (2010). doi:10.1016/j.gca.2010.04.056.
2010
Opfergelt, Sophie ; Cardinal, D. ; André, L. ; Delvigne, C. ; Bremond, L. ; Delvaux, Bruno. Variations of delta Si-30 and Ge/Si with weathering and biogenic input in tropical basaltic ash soils under monoculture. In: Geochimica et Cosmochimica Acta, Vol. 74, no. 1, p. 225-240 (2010). doi:10.1016/j.gca.2009.09.025.
2009
Delvigne, C. ; Opfergelt, Sophie ; Cardinal, D. ; Delvaux, Bruno ; André, L.. Distinct silicon and germanium pathways in the soil-plant system: Evidence from banana and horsetail. In: Journal of Geophysical Research - Biogeosciences, Vol. 114, p. G02013 (2009). doi:10.1029/2008JG000899.
2009
Opfergelt, Sophie ; de Bournonville, Guillaume ; Cardinal, Damien ; André, Luc ; Delstanche, Séverine ; Delvaux, Bruno. Impact of soil weathering degree on silicon isotopic fractionation during adsorption onto iron oxides in basaltic ash soils, Cameroon. In: Geochimica et Cosmochimica Acta, Vol. 73, no. 24, p. 7226-7240 (2009). doi:10.1016/j.gca.2009.09.003.
2009
Delstanche, Séverine ; Opfergelt, Sophie ; Cardinal, Damien ; Elsass, Françoise ; André, Luc ; Delvaux, Bruno. Silicon isotopic fractionation during adsorption of aqueous monosilicic acid onto iron oxide. In: Geochimica et Cosmochimica Acta, Vol. 73, no. 4, p. 923-934 (2009). doi:10.1016/j.gca.2008.11.014.
2008
Opfergelt, Sophie ; Delvaux, Bruno ; André, Luc ; Cardinal, Damien. Plant silicon isotopic signature might reflect soil weathering degree. In: Biogeochemistry : an international journal, Vol. 91, no. 2-3, p. 163-175 (2008). doi:10.1007/s10533-008-9278-4.
2008
Henriet, Céline ; De Jaeger, Nathalie ; Dorel, M. ; Opfergelt, Sophie ; Delvaux, Bruno. The reserve of weatherable primary silicates impacts the accumulation of biogenic silicon in volcanic ash soils. In: Biogeochemistry : an international journal, Vol. 90, no. 2, p. 209-223 (2008). doi:10.1007/s10533-008-9245-0.
2008
Abraham, Kathrin ; Opfergelt, Sophie ; Fripiat, Francois ; Cavagna, Anne-Julie ; de Jong, Jeroen T. M. ; Foley, Stephen F. ; André, Luc ; Cardinal, Damien. delta Si-30 and delta Si-29 determinations on USGS BHVO-1 and BHVO-2 reference materials with a new configuration on a Nu Plasma multi-collector ICP-MS. In: Geostandards and Geoanalytical Research, Vol. 32, no. 2, p. 193-202 (2008). doi:10.1111/j.1751-908X.2008.00879.x.
2007
Reynolds, Ben C. ; Aggarwal, Jugdeep ; André, Luc ; Baxter, Douglas ; Beucher, Charlotte ; Brzezinski, Mark A. ; Engstrom, Emma ; Georg, R. Bastian ; Land, Magnus ; Leng, Melanie J. ; Opfergelt, Sophie ; Rodushkin, Ilia ; Sloane, Hilary J. ; van den Boorn, Sander H. J. M. ; Vroon, Pieter Z. ; Cardinal, Damien. An inter-laboratory comparison of Si isotope reference materials. In: Journal of Analytical Atomic Spectrometry, Vol. 22, no. 5, p. 561-568 (2007). doi:10.1039/b616755a.
2006
Opfergelt, Sophie ; Cardinal, Damien ; Henriet, Céline ; André, Luc ; Delvaux, Bruno. Silicon isotope fractionation between plant parts in banana: In situ vs. in vitro. In: Journal of Geochemical Exploration, Vol. 88, no. 1-3, p. 224-227 (2006). doi:10.1016/j.gexplo.2005.08.044.
2006
Opfergelt, Sophie ; Cardinal, D. ; Henriet, Céline ; Draye, Xavier ; André, L. ; Delvaux, Bruno. Silicon isotopic fractionation by banana (Musa spp.) grown in a continuous nutrient flow device. In: Plant and Soil : international journal on plant-soil relationships, Vol. 285, no. 1-2, p. 333-345 (2006). doi:10.1007/s11104-006-9019-1.
2006
Opfergelt, Sophie ; Delmelle, Pierre ; Boivin, P. ; Delvaux, Bruno. The 1998 debris avalanche at Casita volcano, Nicaragua: Investigation of the role of hydrothermal smectite in promoting slope instability. In: Geophysical Research Letters, Vol. 33, no. 15, p. L15305 (2006). doi:10.1029/2006GL026661.
2022
Doetterl Sebastian ; Rose Abramoff ; Jean-Thomas Cornelis ; Aline Frossard ; Peter Fiener ; Gina Garland ; Michael Kaiser ; Moritz Laub ; Opfergelt, Sophie ; Marijn Van de Broek ; Sarah van den Broek ; Sophie F. von Fromm. Understanding soil organic carbon dynamics at larger scales. In: Rumpel C., Understanding and fostering soil carbon sequestration, Burleigh Dodds Science Publishing Limited: Cambridge, 2022. ID: 9781801467025. doi:10.19103/AS.2022.0106.05.
2015
Delmelle, Pierre ; Henley, R.W. ; Opfergelt, Sophie ; Detienne, Marie. Summit acid crater lakes and flank instability in composite volcanoes. In: Rouwet, D., Christenson, B., Tassi, F., Vandemeulebrouck, J. (Eds.), Volcanic Lakes (Advances in Volcanology), Springer: Heidelberg, 2015, 289-305. 978-3-642-36832-5. doi:10.1007/978-3-642-36833-2_12.
2015
Delmelle, Pierre ; Opfergelt, Sophie ; Cornelis, Jean-Thomas ; Ping, Chien-Lu. Volcanic soils. In: Sigurdsson H., Houghton B., Rymer H., Stix J., McNutt S., The Encyclopedia of Volcanoes, 2nd Edition, Academic Press: San Diego, 2015, 1253-1264.
2012
Cornélis, Jean-Thomas ; Kruyts, Nathalie ; Dufey, Joseph ; Delvaux, Bruno ; Opfergelt, Sophie. Understanding root uptake of nutrients, toxic and polluting elements in hydroponic culture. In: T. Asao, Hydroponics, In Tech, 2012, 153-180. 978-9-5351-0386-8.