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All abstracts by Sophie Opfergelt in conference series: Goldschmidt

(2023) Nanok Expedition: An Ice Triathlon in Greenland Partnering with Scientists for Climate Research
Denis G, Goffart N, Opfergelt S, Bertrand B, Bonneville S, Mattielli N, Boxho SL, Fettweis X, Box JE, Ahlstrom AP, Karlsson NB, Defraigne P & Bergeot N

(2023) Silicon Isotopes as a Tool to Capture Biogeochemical Connectivity in Permafrost Soils: Implications on Fe-Organic Carbon Interactions
Villani M, Hirst C, Thomas M, du Bois d'Aische E, Vanderelst S, Lundin E, Giesler R, Mörth M & Opfergelt S

(2023) Evolution of Fe Oxides Crystallinity in Permafrost Deposits from Mid-Pleistocene to Holocene: Implications for Mineral Organic Carbon Interactions
Thomas M, Jongejans LL, Strauss J, Vermylen C, Calcus S, Opel T & Opfergelt S

(2023) Evidence from Silicon Isotopes for Pulses of Sub-Ice Microbial Activity during Winter in the Lena River
Opfergelt S, Gaspard F, Hirst C, Monin L, Juhls B, Morgenstern A & Overduin P

(2023) Distinct Periods of Organic Carbon and Mineral Element Supply from Soils to Rivers during the Arctic Spring
Hirst C, Kelley AK, Villani M, Schuur EAG & Opfergelt S

(2020) Snowmelt Initiates an Additional Source of Silicon to Streams in Yellowstone National Park, USA
Gaspard F, Opfergelt S, Zahajská P, Hirst C & Delmelle P

(2020) Waters in Hydrothermal and Polar Environments: Further Developments for Si Isotope Measurements
Opfergelt S, Gaspard F & Hirst C

(2018) Seasonal Variations of Dissolved Ge:Si Ratios in Streams from the AsO Caldera, Kyùshù, Japan
Gaspard F, Opfergelt S, Hartmann J, Hosono T & Delmelle P

(2017) Germanium/silicon Ratio to Trace Weathering and Hydrothermal Contribution to Element Fluxes in River Waters from Guadeloupe (FWI)
Gaspard F, Opfergelt S, Ameijeiras-Marino Y, Dessert C, Derry L & Delmelle P

(2016) Germanium Stable Isotopes (δ74Ge) in Weathering: Is There Potential for Paleo-Weathering Reconstruction?
Baronas JJ, Hammond DE, Rouxel O, West AJ, Torres M, Opfergelt S, Burton K, James R, Pogge von Strandmann P, Monteverde D, Gaillardet J, Bouchez J & Galy V

(2015) Combining Ge/Si, δ30Si, and δ74Ge to Unravel Controls on Weathering and Solute Production in Tropical Catchments
Baronas JJ, Torres M, West AJ, Hammond DE, Clark KE, Opfergelt S & Burton KW

(2015) Assessing the Impact of Denudation Rate on Soil Chemical Weathering Intensity: The Response of Si Isotopes
Ameijeiras-Mariño Y, Opfergelt S, Delmelle P, Vanacker V & De Jong J

(2015) Evidence of Pedogenesis in Late Pleistocene Volcanic Ash Deposits in Ecuador
Opfergelt S, Delmelle P, Duhain C, de Potter d'Indoye A, Vera R, Yin Q, Guevara A & de la Torre E

(2015) Weathering of Continent-Scale Volcanic Ash Deposit: Geochemical and Climatic Implications
Aragón Tobar CF, Goddéris Y, Delmelle P & Opfergelt S

(2015) How can Stable Isotope Geochemistry Help to Better Assess Mineral Nutrient Dynamics in Soils and Export Towards Ecosystems?
Opfergelt S

(2014) 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 S, Williams H, Cornelis J-T, Van Hoye F, Guicharnaud R, Sigfusson B, Georg B, Siebert C, Gislason S, Halliday A & Burton K

(2013) Changing Riverine Silicon Isotope Delivery to the Ocean over Glacial-Interglacial Intervals? Evidence from Glaciated Basaltic Terrains
Opfergelt S, Burton K, Pogge von Strandmann P, Gislason S & Halliday A

(2013) Iron Mobilisation from Volcanic Ash/Glass by Atmospheric Processing
Maters E, Ayris P, Jacques C, Guevara A, Henley R, Opfergelt S & Delmelle P

(2012) Volcanic Impact on the Silicon Isotope Composition of Natural Waters during the 2010 Eyjafjallajökull Eruption, S-Iceland
Alfredsson HA, Opfergelt S, Burton KW, Mokadem F, Eiriksdottir ES & Gislason SR

(2012) Understanding Archean Weathering Using Silicon Isotopes and Ge/Si Ratios
Delvigne C, Opfergelt S, Hofmann A, Cardinal D & Andre L

(2012) Iron Isotope Variations in Icelandic Soil Profiles and Fractionation of Fe Isotopes during Weathering
Williams H, Opfergelt S, Siebert C, Rebecca N & Burton K

(2011) Probing the Silicon Isotope Signature of Supply Limited Chemical Weathering in the Cordillera Central of Costa Rica
West AJ, Opfergelt S, James R, Pogge von Strandmann P & Burton K

(2011) Seasonal Magnesium Isotope Variations in Soil Solutions Reflecting Physico-Chemical Processes Controlling Soil Weathering Fluxes
Opfergelt S, Georg B, Burton K, Guicharnaud R, Siebert C, Gislason S & Halliday A

(2011) Molybdenum Isotope Fractionation during Soil Formation: A New Proxy?
Siebert C, Pett-Ridge J, Opfergelt S, Burton K & Halliday A

(2011) Contrasting Silicon and Magnesium Isotope Fractionation with Clay Mineralogy in Volcanic Soil Weathering Sequences, Guadeloupe
Delvaux B, Opfergelt S, Georg B, Cabidoche Y-M, Burton K & Halliday A

(2008) Silicon Cycle in Weathering Sequences of Volcanic Soils in Cameroon Using δ30Si and Ge/Si
Opfergelt S, Delvaux B, Cardinal D, Delvigne C & André L

(2007) Si Isotopes as a Clue for Understanding Eoarchaean Silicifications
Abraham K, Opfergelt S, Cardinal D, Hofmann A, Foley S & André L

(2007) Using δ30Si to Follow the Soil-Plant Si Cycling in a Weathering Sequence of Volcanic Ash Soils, Cameroon
Opfergelt S, Delvaux B, Cardinal D & André L

(2006) An inter-laboratory calibration of Si isotope reference materials
Reynolds BC, Aggarwal J, Brzezinski MA, Cardinal D, Engström E, Georg RB, Land M, Leng M, Opfergelt S & Vroon PZ

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