All Publications

Pages

1. • Journal article

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   Quantifying the impact of freshwater diatom productivity on silicon isotopes and silicon fluxes : Lake Myvatn, Iceland

   Opfergelt, Sophie[UCL] Eiriksdottir, E.S. Burton, K.W. Einarsson, A. Siebert, C Gislason, S.R. Halliday, A.N (2011) Earth and Planetary Science Letters — , no. 305, p. 73-82 (2011)
2. • Speech

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   Seasonal magnesium isotope variations in soil solutions reflecting physico-chemical processes controlling soil weathering fluxes

   Opfergelt, Sophie[UCL] Georg, R.B. Burton, K.W. Guicharnaud, R. Siebert, C. Gislason, S.R. Halliday, A.N. (2011) Goldschmidt conference — Prague, Czech Republic
3. • Speech

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   Changing riverine silicon isotope delivery to the ocean over glacial-interglacial intervals? Evidence from glaciated basaltic terrains

   Opfergelt, Sophie[UCL] Burton, K.W. Pogge von Strandmann , P.A.E. Gislason, S.R. Halliday, A.N. (2013) Goldschmidt conference — Florence, Italy
4. • Speech

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   Multi-isotopic approach to assess the role of soil weathering processes on rivers draining a basaltic catchment

   Opfergelt, Sophie[UCL] Georg, D. Burton, K.W. Gislason, S.R. Sigfusson, B Halliday, A.N. (2009) AGU Fall meeting — San Francisco
5. • Speech

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   Magnesium isotope fractionation in volcanic soils controlled by clay mineralogy and exchangeable Mg

   Opfergelt, Sophie[UCL] Georg, R.B. Burton, K.W. Delvaux, Bruno[UCL] Siebert, C. Guicharnaud, R Cadiboche, Y.M Halliday, A.N. (2010) AGU Fall Meeting, 2010 — San Francisco, USA
6. • Journal article

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   Riverine silicon isotope variations in glaciated basaltic terrains: implications for the Si delivery to the ocean over glacial-interglacial intervals

   Opfergelt, Sophie[UCL] Burton, K.W. Pogge von Strandmann, P.A.E. Gislason, S.R. Halliday, A.N. (2013) Earth and Planetary Science Letters — Vol. 369-370, p. 211-219 (2013)
7. • Speech

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   Tracing impact of pedogenic processes on soil solutions with Si and Mg isotopes

   Opfergelt, Sophie[UCL] Georg, R.B. Burton, K.W. Guicharnaud, R. Gislason, S.R. Halliday, A.N (2010) 19th World Congress of Soil Science, 2010 — Brisbane, Australia
8. • Journal article

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   Molybdenum isotope fractionation in soils: influence of redox conditions, organic matter, and atmospheric inputs

   Siebert, C. Pett-Ridge, J.C. Opfergelt, Sophie[UCL] Guicharnaud, R.A. Halliday , A.N. Burton, K.W. (2015) Geochimica et Cosmochimica Acta — , no.162, p. 1-24 (2015)
9. • Speech

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   Quantifying the impact of freshwater diatom productivity on silicon isotopes and silicon fluxes: Lake Myvatn, Iceland

   Siebert, C. Opfergelt, Sophie[UCL] Burton, K.W. Einarsson, A Eiriksdottir, E.S Gislason, S.R. Halliday, A.N (2010) AGU Fall Meeting, 2010 — San Francisco, USA
10. • Speech

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    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
11. • Speech

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    Biological fractionation of molybdenum: Lake Mývatn, Iceland

    Neely, R Siebert, C Burton, K.W. Opfergelt, Sophie[UCL] Einarsson, A. (2012) Research Symposium of the School of Engineering and Natural Sciences, — Iceland
12. • Journal article

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    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]

    Opfergelt, Sophie[UCL] Burton, K.W. Pogge von Strandmann , P.A.E. Gislason, S.R. Halliday, A.N. (2013) Earth and Planetary Science Letters — Vol. 375, p. 451-452 (2013)
13. • Speech

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    Contrasting silicon and magnesium isotope fractionation with clay mineralogy in volcanic soil weathering sequences, Guadeloupe

    Opfergelt, Sophie[UCL] Delvaux, Bruno[UCL] Georg, R.B. Cabidoche, Y.M. Burton, K.W. Halliday, A.N. (2011) Goldschmidt conference — Prague, Czech Republic
14. • Speech

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    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
15. • Speech

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    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
16. • Journal article

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    Magnesium retention on the soil exchange complex controlling Mg isotope variations in soils, soil solutions and vegetation in volcanic soils

    Opfergelt, Sophie[UCL] Burton, K.W. Georg, R.B. West, A.J. Guicharnaud, R.A. Sigfusson, B. Siebert, C. Gislason, S.R. Halliday, A.N. (2014) Geochimica et Cosmochimica Acta — Vol. 125, p. 110-130 (2014)
17. • Speech

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    Impact of freshwater diatom productivity on silicon isotopes and silicon fluxes: Lake Myvatn, Iceland

    Opfergelt, Sophie[UCL] Eiriksdottir , E.S. Burton, K.W. Einarsson , A. Siebert , C. Gislason , S.R. Halliday , A.N. (2011) 4th Workshop on Aqueous Chemistry and Biochemistry of Silicon — Cambridge, UK
18. • Speech

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    Molybdenum isotopes as proxy for soil processes

    Siebert, C. Pett-Ridge, J. Opfergelt, Sophie[UCL] Halliday, A.N. Burton, K.W. (2013) EnvironMetal Isotopes 2013 (EMI2013) — Ascona, Switzerland
19. • Journal article

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    Lithium, magnesium and silicon isotope behaviour accompanying weathering in a basaltic soil and pore water profile in Iceland

    Pogge von Strandmann, P.A.E. Opfergelt, Sophie[UCL] Lai, Y.J. Sigfusson, B. Gislason, S.R. Burton, K.W. (2012) Earth and Planetary Science Letters — Vol. 339-340, p. 11-23 (2012)
20. • Speech

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    Magnesium isotopes as a proxy of physico-chemical processes controlling soil weathering fluxes

    Opfergelt, Sophie[UCL] Georg, R.B. Burton, K.W. Guicharnaud, R Siebert, C. Gislason, S.R. Halliday, A.N. (2011) Young Soil Scientists Day, 2011 — Brussels
21. • Speech

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    The influence of weathering processes on Fe isotopes in Icelandic soils.

    Williams, H Opfergelt, Sophie[UCL] Burton, K.W. (2012) Goldschmidt conference — Montréal, Canada
22. • Journal article

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    Silicon isotopes and the tracing of desilication in volcanic soil weathering sequences, Guadeloupe

    Opfergelt, Sophie[UCL] Georg, R.B. Delvaux, Bruno[UCL] Cabidoche, Y.-M. Burton, K.W. Halliday, A.N. (2012) Chemical Geology — Vol. 326-327, p. 113-122 (2012)
23. • Journal article

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    Iron and silicon isotope behaviour accompanying weathering in Icelandic soils, and the implications for iron export from peatlands

    Opfergelt, Sophie[UCL] Williams, H.M Cornélis, Jean-Thomas Guicharnaud, R.A Georg, R.B. Siebert, C. Gislason, S.R. Halliday, A.N. Burton, K.W. (2017) Geochimica et Cosmochimica Acta — , no.217, p. 273-291 (2017)
24. • Speech

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    Volcanic impact on the silicon isotope composition in natural waters during the 2010 Eyjafjallajökull eruption, S-Iceland

    Alfredsson, H.A. Opfergelt, Sophie[UCL] Burton, K.W. Gislason, S.R. (2012) Goldschmidt conference — Montréal, Canada
25. • Journal article

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    Silicon isotopes in allophane as a proxy for mineral formation in volcanic soils

    Opfergelt, Sophie[UCL] Burton, K.W. Guicharnaud, R. Siebert, C. Gislason, S.R. Halliday, A.N. (2011) Applied Geochemistry — Vol. 26, no. S1, p. S115-S118 (2011)

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