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RIHS Sophie

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Assistant Professor - University of Strasbourg

Contact :
Phone : +33 (0)3 68 85 03 72

Research Interest

- Determination of weathering rates in soils over various time scales, using U- and Th-series disequilibria (U-Th-Ra)
- Mobility of radionuclides (U, Ra) in the critical zone: gobal (natural systems study) and experimental approaches (investigation of the interaction processes at the molecular scale using Synchrotron X-Ray technics)
- Behaviour of continental hydrothermal systems

Current Research
- Improvement of the U-series disequilibria geochronometer: separation of primary minerals and pedogenic fractions in soils.
- Contribution of short-lived nuclides of the U- and Th- series (226Ra, 228Ra, 228Th , 210Pb) to the study of ecosystems
- Alteration processes in hydrothermal system

Isotopic Geochemistry, Hydrogeochemistry -Hydrogeology


Rihs S., Gontier A., Pelt E., Fries D., Turpault M-P. Chabaux F. (2016) Behavior of U, Th and Ra in soils during a land cover change. Chem. Geol 441: 106-123
Gontier A., Rihs S., Chabaux F., Lemarchand D., Pelt E., Turpault M-P. (2015) Lack of bedrock grain size influence on the soil production rate. Geochim. Cosmo. Acta 166; 146-164
Rihs S., Gaillard C. Reich T. Kohler S.J. (2014) Uranyl sorption onto birnessite: A surface complexation modeling and EXAFS study. Chem. Geol. 373; 59–70
Rihs S., Prunier J., Thien B., Lemarchand D., Pierret M-C., Chabaux F. (2011) Using short-lived nuclides of the U- and Th-series to probe the kinetics of colloid migration in forested soils. Geochim. Cosmo. Acta 75; 7707–7724
Bagard M-L, Chabaux F, Pokrovsky O. S., Viers J., Prokushkin A. S., Stille P., Rihs S., Schmitt A.-D., Dupré B. (2011). Seasonal variability of element fluxes in two Central Siberian rivers draining high latitude permafrost dominated areas Geochim. Cosmo. Acta . 75; 3335–3357
Condomines M., Rihs S., Lloret E., Seidel J. L. (2010) Determination of the four natural Ra isotopes in thermal waters by γ-ray spectrometry. Applied Radiation and Isotopes 68; 384-391
Bacon A.M., Demeter F., Duringer P., Helm C., Bano M., Vu The Long, Nguyen Thi Kim Thuy, Antoine P.O., Bui Thi Mai, Nguyen Thi Mai Huong, Dodo Y., Chabaux F., Rihs S. (2008) - The Late Pleistocene Duoi U’Oi cave in northern Vietnam: palaeontology, sedimentology, taphonomy and palaeoenvironments. Quat. Sci. Rev., 27; 1627-1654.
Condomines M., Rihs S. (2006) - First 226Ra–210Pb dating of a young speleothem. Earth Planet. Sci. Lett., 250; 4-10.
Montes-Hernandez G., Rihs S. (2006) - A simplified method to estimate kinetic and thermodynamic parameters on the solid-liquid separation of pollutants. J. Colloid Interface Sci., 299, 1; 49-55.
Durand S., Chabaux F., Rihs S., Duringer P.; Elsass P. (2005) - U isotope ratios as tracers of groundwater inputs into surface waters: Example of the Upper Rhine hydrosystem. Chem. Geol., 220, 1-2; 1-19.
Manceau A., Tommaseo C., Rihs S., Geoffroy N., Chateigner D., Schlegel M., Tisserand D., Marcus M.A., Tamura N., Chen Z.S. (2005) - Natural speciation of Mn, Ni and Zn at the micrometer scale in a clayey paddy soil using X-Ray fluorescence, absorption and diffraction. Geochim. Cosmochim. Acta, 69, 16; 4007-4034.
Rihs S., Sturchio N.C., Orlandini K., Cheng L., Teng H., Fenter P., Bedzyk M.J. (2004) - Interaction of Uranyl with Calcite in the Presence of EDTA. Environ. Sci. Techn ., 38; 5078-5086.
Minissale A., Kerrick D.M., Magro G., Murrell M.T., Paladini M., Rihs S., Sturchio N.C., Tassi F., Vasselli O. (2002) - Geochemistry of quaternary travertines in the region north of Rome (Italy): structural, hydrologic and paleoclimatic implications. Earth Planet. Sci. Lett., 203; 709-728.
Rihs S., Condomines M. (2002) - An improved method for Ra isotope (226Ra, 228Ra, 224Ra) measurements by gamma spectrometry in natural waters: application to CO2-rich thermal waters from the French Massif Central. Chem. Geol ., 182; 409-421.
Rihs S., Condomines M., Sigmarsson O. (2000) - U, Ra and Ba incorporation during precipitation of hydrothermal carbonates: implications for 226Ra-Ba dating of impure travertines. Geochim. Cosmochim. Acta, 64; 661-671.
Rihs S., Condomines M., Poidevin J.L. (2000) - Long term behaviour of continental hydrothermal systems: U-series dating of hydrothermal carbonates from the French Massif Central (Allier Valley). Geochim. Cosmochim. Acta, 64; 3189-3199.
Fenter P., Cheng L., Rihs S., Machesky M., Bedzyk M.J., Sturchio N.C. (2000) - Probing the Double-Layer Structure at the Rutile-Water Interface with X-Ray Standing Waves. J. Colloid Interf. Sci., 225; 154-165.

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