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    • Speech
    Characterization of dissolved and particulate organic matter exported during late summer from a glacio-nival river, Zackenberg, Greenland
    Fouche Julien Hirst, Catherine[UCL] Opfergelt, Sophie[UCL] Vonk Jorien Bonneville Steeve Haghipour Negar Eglinton Timothy Broder Lisa (2020) EGU General Assembly 2020 — Virtual
    • Speech
    Update synthesis: The fate of organic carbon upon thaw also depends on interactions with mineral elements
    Opfergelt, Sophie[UCL] (2020) 10th Annual Meeting of the Permafrost Carbon Network — Virtual
    • Speech
    Integrating mineral interactions with organic carbon in thawing permafrost to assess climate feedbacks
    Opfergelt, Sophie[UCL] Hirst, Catherine[UCL] Monhonval, Arthur[UCL] Mauclet, Elisabeth[UCL] Thomas, Maxime[UCL] (2020) EGU General Assembly 2020 — Virtual
    • Speech
    Chemical weathering in response to tectonic uplift and denudation rate in a semi-arid environment, southeast Spain.
    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Schoonejans, Jérôme[UCL] Vanacker, Veerle[UCL] Sonnet, Philippe[UCL] Delmelle, Pierre[UCL] (2014) EGU 2014 — Vienna, Austria
    • Speech
    Tectonic uplift and denudation rate influence soil chemical weathering intensity in a semi-arid environment, southeast Spain: physico-chemical and mineralogical evidence
    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Schoonejans, Jérôme[UCL] Vanacker, Veerle[UCL] Sonnet, Philippe[UCL] Delmelle, Pierre[UCL] (2015) EGU GENERAL ASSEMBLY 2015 — Vienne
    • Speech
    Chemical weathering in response to tectonic uplift and denudation rate in a semi-arid environment, southeast Spain.
    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Schoonejans, Jérôme[UCL] Vanacker, Veerle[UCL] Sonnet, Philippe[UCL] Delmelle, Pierre[UCL] (2014) EGU General Assembly 2014-6429, 2014. — Vienna, Austria
    • Speech
    Spatial gradient of chemical weathering and its coupling with physical erosion in the soils of the Betic Cordillera (SA Spain)
    Schoonejans, Jérôme[UCL] Vanacker, Veerle[UCL] Opfergelt, Sophie[UCL] Ameijeiras Mariño, Yolanda[UCL] Kubik, Peter (2015) EGU GENERAL ASSEMBLY 2015 — Vienne
    • Speech
    Assessing the impact of denudation rate on soil chemical weathering intensity in a semi-arid environment, southeast Spain : physico-chemical, mineralogical and geochmical approach
    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Schoonejans, Jerôme[UCL] Vanacker, Veerle[UCL] Sonnet, Philippe[UCL] Delmelle, Pierre[UCL] (2015) SSSB 2015 — Royal academy of Science and the Arts, Brussels
    • Speech
    Flow-path changes in permafrost soils affect Fe-organic carbon interactions: evidence from silicon isotopes
    Villani, Maëlle[UCL] Hirst, Catherine[UCL] Thomas, Maxime[UCL] Eléonore du Bois d'Aische[UCL] Vanderelst, Sarah[UCL] Erik Lundin Reiner Giesler Magnus Mörth Opfergelt, Sophie[UCL] (2023) 6th European Conference on Permafrost (EUCOP 2023) — Puigcerdà (Catalonia, Spain)
    • Speech
    Combining Ge/Si, δ30Si, and δ74Ge to unravel controls on weathering and solute Production in tropical catchments
    Baronas, Jotautas Torres, Mark West, A.J. Hammond, D.E. Clark, K.E. Opfergelt, Sophie[UCL] Burton, K.W. (2015) GOLDSCHMIDT 2015 — Prague, Czech Republic
    • Speech
    How can stable isotope geochemistry help to better assess mineral nutrient dynamics in soils and export towards ecosystems?
    Opfergelt, Sophie[UCL] (2015) GOLDSCHMIDT 2015 (Keynote : Eblemen Award) — Prague, Czech Republic
    • Speech
    Colonisation of freshly deposited volcanic tephra by soil fungi
    Tarasenko, Inga[UCL] Opfergelt, Sophie[UCL] Stenuit, Benoît[UCL] Bonneville, Steeve Müller, Dirk (2016) EGU General assembly 2016 — Vienna, Austria
    • Speech
    Tephra-organic matter interaction : bioweathering and mineralization
    Tarasenko, Inga[UCL] Opfergelt, Sophie[UCL] Behncke, B Delmelle, Pierre[UCL] (2015) SSSB 2015 — Royal Academy of Science and the Arts, Brussels
    • Speech
    Seasonal freeze-thaw cycles and iron mobilization from peat soils: role of organo-metallic complexes
    Opfergelt, Sophie[UCL] Williams, Helen Cornélis, Jean-Thomas Guicharnaud, Rannveig Georg, R.B. Siebert, Chris Gislason, S.R. Halliday, A.N. Burton, K.W. (2016) AGU Fall Meeting 2016 — San Francisco
    • BookChapter
    Understanding root uptake of nutrients, toxic and polluting elements in hydroponic culture
    Cornélis, Jean-Thomas[UCL] Kruyts, Nathalie[UCL] Dufey, Joseph[UCL] Delvaux, Bruno[UCL] Opfergelt, Sophie[UCL] (2012) Hydroponics — [ISBN : 978-9-5351-0386-8]
    • Speech
    Ge/Si ratios record the impact of forest conversion to cropland on soil chemical weathering processes and solutes export to rivers
    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Derry, Louis Robinet, Jérémy Delmelle, Pierre[UCL] (2016) AGU FALL MEETING 2016 — San Francisco
    • Speech
    Accessory clay minerals in volcanic ash from the 2010 eruption of Eyjafjallajökull volcano, Iceland
    Paque, Mathilde[UCL] Detienne, Marie[UCL] Opfergelt, Sophie[UCL] Delmelle, Pierre[UCL] (2015) SSSB 2015 — Royal academy of Science and the Arts, Brussels, Belgium
    • Speech
    Germanium/silicon ratio to trace weathering and hydrothermal contribution to element fluxes in river waters from Guadeloupe (FWI)
    Gaspard, François[UCL] Opfergelt, Sophie[UCL] Ameijeiras Mariño, Yolanda[UCL] Dessert, Céline Derry, Louis Delmelle, Pierre[UCL] (2017) GOLDSCHMIDT 2017 — Paris, France
    • Speech
    Étude de l’origine de dépôts volcaniques indurés: cas d’étude sur la Cangahua en Équateur
    Ruiz Hinojosa, Maria Gabriela[UCL] Opfergelt, Sophie[UCL] Guevera, Alicia Delmelle, Pierre[UCL] (2016) Les 13es journées d'études des sols JES 2016 — Louvain-la-Neuve, Belgium
    • Speech
    Impact de la conversion forêt-culture sur le degré d’altération du sol et la distribution des nutriments minéraux dans le sol en milieu tropical
    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Lamouline, Florence[UCL] Cornélis, Jean-Thomas Delmelle, Pierre[UCL] (2016) Les 13es journées d'études des sols JES 2016 — Louvain-la-Neuve, Belgium
    • Speech
    Multi-proxy investigation of silicate weathering: Ge/Si, d30Si, d7Li, and d74Ge in Peruvian and Costa Rican watersheds
    Baronas, Jotautas Torres, Mark West, Josh Hammond, Doug Clark, Kathryn Opfergelt, Sophie[UCL] Burton, Kevin McManus, Jim Siebert, Chris (2015) Southern California Geobiology symposium — UC Riverside, USA
    • Speech
    Tephra-organic matter interaction: bioweathering and mineralization
    Tarasenko, Inga[UCL] Opfergelt, Sophie[UCL] Behncke, Boris Delmelle, Pierre[UCL] (2015) Summer school VERTIGO — Tenerife
    • Speech
    Weathering of continent-scale volcanic ash deposit: geochemical and climatic implications
    Aragon, Carlos[UCL] Goddéris, Y Opfergelt, Sophie[UCL] Delmelle, Pierre[UCL] (2015) GOLDSCHMIDT 2015 — Prague, Czech Republic
    • Speech
    Impact of the soil weathering degree on the fate of soil organic carbon, Fe and Si: insights from Si and Fe isotopes in Icelandic soils.
    Opfergelt, Sophie[UCL] Williams, H.M Cornélis, Jean-Thomas[UCL] Van Hoye, Florence[UCL] Guicharnaud, R.A. Sigfusson, B Georg, R.B Siebert, C Gislason, S.R. Halliday, A.N Burton, K.W. (2014) Goldschmidt 2014 — Sacramento, USA
    • Speech
    Impact of tephra on soil: is weathering enhanced by fungal activity?
    Tarasenko, Inga[UCL] Bonneville, S. Stenuit, B Opfergelt, Sophie[UCL] Delmelle, Pierre[UCL] (2015) 2nd workshop of VERTIGO _ EU TN — Durham (UK)

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