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1. • Speech

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   The influence of weathering processes on Si, Mg, Fe, Zn, and Mo stable isotope fractionation in the Critical Zone: a case study from Icelandic soils

   Opfergelt, Sophie[UCL] (2018) Conference “Metal Stable Isotope Geochemistry” & Final IsoNose Workshop — Sorèze, France
2. • Speech

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   Mineral Weathering in Thawing Permafrost: Causes and consequences

   Opfergelt, Sophie[UCL] (2018) “Coupling Earth system function to climatic change” — Bordeaux
3. • Speech

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   Changing conditions for mineral-organic carbon interactions across the permafrost landscape: hot moments more than hot spots?

   Opfergelt, Sophie[UCL] Hirst, Catherine[UCL] Mauclet, Elisabeth[UCL] Monhonval, Arthur[UCL] Thomas, Maxime[UCL] Gaspard, François[UCL] Villani, Maëlle[UCL] Dailly, Hélène[UCL] (2021) AGU Fall Meeting 2021 — Virtual
4. • Speech

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   Influence of permafrost degradation and shift in vegetation on litter and soil properties: case study in Central Alaska

   Villani, Maëlle[UCL] Mauclet, Elisabeth[UCL] Agnan, Yannick[UCL] Edward A. G. Schuur Opfergelt, Sophie[UCL] (2021) Conférence : 7th International Geologica Belgica Meeting 2021 (15/09/21 au 17/09/2021) — Africa Museum (Tervuren, Belgium)
5. • Journal article

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   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

   Abraham, Kathrin Opfergelt, Sophie[UCL] Fripiat, Francois Cavagna, Anne-Julie de Jong, Jeroen T. M. Foley, Stephen F. André, Luc Cardinal, Damien (2008) Geostandards and Geoanalytical Research — Vol. 32, no. 2, p. 193-202 (2008)
6. • Journal article

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   The reserve of weatherable primary silicates impacts the accumulation of biogenic silicon in volcanic ash soils

   Henriet, Céline[UCL] De Jaeger, Nathalie[UCL] Dorel, M. Opfergelt, Sophie[UCL] Delvaux, Bruno[UCL] (2008) Biogeochemistry : an international journal — Vol. 90, no. 2, p. 209-223 (2008)
7. • Dissertation

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   Silicon cycle in the soil-plant system : biogeochemical tracing using Si isotopes

   Opfergelt, Sophie[UCL] (2008)
8. • Journal article

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   Contrasting silicon isotope signatures in rivers from the Congo Basin and the specific behaviour of organic-rich waters

   Cardinal, D. Gaillardet, J. Hughes, H. J. Opfergelt, Sophie[UCL] André, Luc (2010) Geophysical Research Letters — Vol. 37 (2010)
9. • Speech

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   The permafrost mineral reserve: identify potential mineral nutrient hotspots upon thawing

   Opfergelt, Sophie[UCL] (2018) EUCOP5 — Chamonix, France
10. • Journal article

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    Silicon Isotopes Reveal a Non-glacial Source of Silicon to Crescent Stream, McMurdo Dry Valleys, Antarctica

    Hirst, Catherine[UCL] Opfergelt, Sophie[UCL] Gaspard, François[UCL] Hendry, Katharine R. Hatton, Jade E. Welch, Susan McKnight, Diane M. Berry Lyons, W. (2020) Frontiers in Earth Science — Vol. 8 (2020), p. article 229 (2020)
11. • Speech

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    Tracing controls on iron export from high latitude peat soils

    Opfergelt, Sophie[UCL] (2018) POLAR 2018 — Davos, Switzerland
12. • Journal article

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    Seasonal changes in hydrology and permafrost degradation control mineral element-bound DOC transport from permafrost soils to streams

    Hirst, Catherine[UCL] Mauclet, Elisabeth[UCL] Monhonval, Arthur[UCL] Tihon Emeline[UCL] Ledman Justin Schuur Edward A.G. Opfergelt, Sophie[UCL] (2022) Global Biogeochemical Cycles : an international journal of global change — Vol. 36, no. 2 (2022), p. 1-24 (2022)
13. • Journal article

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    Impacts of forest conversion and agriculture practices on water pathways in Southern Brazil

    Robinet, Jérémy Minella, Jean P. G. de Barros, Cláudia A. P. Schlesner, Alexandre Lücke, Andreas Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Vanderborght, Jan Govers, Gerard (2018) Hydrological Processes — Vol. 32, no.15, p. 2304-2317 (2018)
14. • Speech

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    Distribution of mineral constituents in Yedoma permafrost: implications for Yedoma formation and upon thawing

    Mauclet, Elisabeth[UCL] Opfergelt, Sophie[UCL] Monhonval, Arthur[UCL] Strauss Jens Grosse Guido Fuchs Matthias Schirrmeister Lutz (2018) 5th European Conference on Permafrost — Chamonix, France
15. • Journal article

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    Land use impacts on soil erosion and rejuvenation in Southern Brazil

    Vanacker, Veerle[UCL] Ameijeiras Mariño, Yolanda[UCL] Schoonejans, Jerome[UCL] Cornelis, Jean-Thomas Minella, Jean Lamouline, Florence[UCL] Vermeire, Marie-Liesse Campforts, Benjamin Robinet, Jeremy Van de Broek, Marijn Delmelle, Pierre[UCL] Opfergelt, Sophie[UCL] (2019) CATENA — Vol. 178, p. 256-266 (2019)
16. • Journal article

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    Ge/Si ratios point to increased contribution from deeper mineral weathering to streams after forest conversion to cropland

    Ameijeiras Mariño, Yolanda[UCL] Opfergelt, Sophie[UCL] Derry Louis A. Robinet Jérémy Govers Gerard Minella Jean P.G. Delmelle, Pierre[UCL] (2018) Applied Geochemistry — Vol. 96, p. 24-34 (2018)
17. • Speech

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    Can we use Arctic rivers to detect permafrost thaw?

    Hirst, Catherine[UCL] Opfergelt, Sophie[UCL] (2021) ELI DAY 2021 — LLN - ONLINE ZOOM
18. • Journal article

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    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

    Brosens, Liesa Robinet, Jérémy Pelckmans, Ignace Ameijeiras-Mariño, Yolanda[UCL] Govers, Gerard Opfergelt, Sophie[UCL] Minella, Jean P.G. Vanderborght, Jan (2021) CATENA — Vol. 207, p. 105698 (2021)
19. • Journal article

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    The lithium isotope response to the variable weathering of soils in Iceland

    Pogge von Strandmann, Philip A.E. Burton, Kevin W. Opfergelt, Sophie[UCL] Genson, Bianca Guicharnaud, Rannveig A. Gislason, Sigurður R. (2021) Geochimica et Cosmochimica Acta — Vol. 313, p. 55-73 (2021)
20. • Journal article

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    What is diatomite?

    Zahajská, Petra Opfergelt, Sophie[UCL] Fritz, Sherilyn C. Stadmark, Johanna Conley, Daniel J. (2020) Quaternary Research — Vol. 96, p. 48-52 (2020)
21. • Speech

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    Kinetically limited weathering at low denudation rates in semi-arid climates

    Vanacker, Veerle[UCL] Schoonejans, Jerome[UCL] Opfergelt, Sophie[UCL] Ameijeiras Mariño, Yolanda[UCL] Christl, Marcus (2016) AGU Fall meeting 2016 — San Francisco
22. • Journal article

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    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

    Brosens, Liesa Campforts, Benjamin Robinet, Jérémy Vanacker, Veerle[UCL] Opfergelt, Sophie[UCL] Ameijeiras‐Mariño, Yolanda[UCL] Minella, Jean P. G. Govers, Gerard (2020) Journal of Geophysical Research: Earth Surface — no. 6 (2020), p. 1-26 (2020)
23. • Journal article

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    Ge and Si Isotope Behavior During Intense Tropical Weathering and Ecosystem Cycling

    Baronas, J. Jotautas West, A. Joshua Burton, Kevin W. Hammond, Douglas E. Opfergelt, Sophie[UCL] Pogge von Strandmann, Philip A. E. James, Rachael H. Rouxel, Olivier J. (2020) Global Biogeochemical Cycles — Vol. 34, no. 8 (2020), p. e2019GB006522 (1-25) (2020)
24. • Journal article

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    Hydrothermal and Cold Spring Water and Primary Productivity Effects on Magnesium Isotopes: Lake Myvatn, Iceland

    Pogge von Strandmann, Philip A. E. Burton, Kevin W. Opfergelt, Sophie[UCL] Eiríksdóttir, Eydís S. Murphy, Melissa J. Einarsson, Arni Gislason, Sigurdur R. (2020) Frontiers in Earth Science — Vol. 8, p. article 109 (2020)
25. • Speech

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    Vertical and lateral particle and element fluxes across soil catenas in southern Brazil

    Schoonejans, Jerome Opfergelt, Sophie[UCL] Vanacker, Veerle[UCL] (2016) Annual Meeting of European Geoscience Union — Vienna, Austria

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