Search Results - "Rihs, Sophie"

Seasonal variability of element fluxes in two Central Siberian rivers draining high latitude permafrost dominated areas by Bagard, Marie-Laure, Chabaux, François, Pokrovsky, Oleg S., Viers, Jérome, Prokushkin, Anatoly S., Stille, Peter, Rihs, Sophie, Schmitt, Anne-Désirée, Dupré, Bernard

“…In order to constrain the origin and fluxes of elements carried by rivers of high latitude permafrost-dominated areas, major and trace element concentrations…”
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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 by Rihs, Sophie, Condomines, Michel

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Field biotite weathering rate determination using U-series disequilibria by Rihs, Sophie, Gontier, Adrien, Voinot, Alexandre, Chabaux, François, Pelt, Eric, Lemarchand, Damien, Turpault, Marie-Pierre

“…The chemical weathering rate of silicates is a key parameter of several geochemical processes; however, the long-term field measurement of these rates remains…”
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U, Ra and Ba incorporation during precipitation of hydrothermal carbonates: implications for 226Ra-Ba dating of impure travertines by Rihs, Sophie, Condomines, Michel, Sigmarsson, Olgeir

“…We studied U, Ra and Ba incorporation in calcite in a natural CO 2-rich hydrothermal area from the French Massif Central. Along the western border of the…”
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Timescale of radium and alkaline earth cations ascent in the trees: Use of isotopic (228Ra/226Ra) ratio by Rihs, Sophie, Lascar, Eric, Chabaux, François, Pourcelot, Laurent, Calmon, Philippe, Redon, Paul-Olivier, Galy, Catherine, Turpault, Marie-Pierre

“…Due to its short-lived progeny, including gaseous radon isotopes that can be inhaled and its significant transfer into vegetation, radium poses a substantial…”
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Effect of organic matter removal on U-series signal in clay minerals by Rihs, Sophie, Gontier, Adrien, Lascar, Eric, Biehler, Antoine, Turpault, Marie-Pierre

“…Clay minerals hold some key information on time and rate of weathering processes that could be deciphered by U-series disequilibria. However a removal of…”
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Uranyl sorption onto birnessite: A surface complexation modeling and EXAFS study by Rihs, Sophie, Gaillard, Clotilde, Reich, Tobias, Kohler, Stephan J.

“…This work investigates the mechanism of the uranyl interaction with birnessite, one of the most common layer-type MnO2 mineral at the Earth's surface, by…”
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Plant-soil-water interactions: Implications from U-Th-Ra isotope analysis in soils, soil solutions and vegetation (Strengbach CZO, France) by Chabaux, François, Stille, Peter, Prunier, Jonathan, Gangloff, Sophie, Lemarchand, Damien, Morvan, Gilles, Négrel, Justine, Pelt, Eric, Pierret, Marie-Claire, Rihs, Sophie, Schmitt, Anne-Désirée, Trémolières, Michèle, Viville, Daniel

“…This study presents U-Th-Ra isotope data for soils, soil grain size fractions, soil solutions, throughfall, rainwater and tree samples from two experimental…”
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Probing silicate weathering reactions in soils with B isotopes by Voinot, A., Turpault, M.-P., Rihs, S., Mareschal, L., Chabaux, F., Lemarchand, D.

“…The determination of the mechanisms and extent of soil mineral weathering can be challenging, and the caveats reside in 1) difficulty identifying minerals that…”
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Lack of bedrock grain size influence on the soil production rate by Gontier, Adrien, Rihs, Sophie, Chabaux, Francois, Lemarchand, Damien, Pelt, Eric, Turpault, Marie-Pierre

“…Our study deals with the part played by bedrock grain size on soil formation rates. U- and Th-series disequilibria were measured in two soil profiles developed…”
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Using short-lived nuclides of the U- and Th-series to probe the kinetics of colloid migration in forested soils by Rihs, Sophie, Prunier, Jonathan, Thien, Bruno, Lemarchand, Damien, Pierret, Marie-Claire, Chabaux, François

“…The recent chemical dynamics of a podzolic forest soil section (from the Strengbach watershed, France) was investigated using U- and Th-series nuclides…”
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Effect of organic matter removal on U-series signal in clay minerals by Rihs, Sophie, Gontier, Adrien, Lascar, Eric, Biehler, A, Turpault, Marie-Pierre M.-P.

“…Clay minerals hold some key information on time and rate of weathering processes that could be deciphered by U-series disequilibria. However a removal of…”
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Behavior of U, Th and Ra isotopes in soils during a land cover change by Rihs, Sophie, Gontier, Adrien, Pelt, Eric, Fries, David, Turpault, Marie-Pierre, Chabaux, François

“…Over the last decades, the U- and Th-series nuclides were successfully used to determine weathering rates in various environments. The objective of this study…”
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Natural speciation of Mn, Ni, and Zn at the micrometer scale in a clayey paddy soil using X-ray fluorescence, absorption, and diffraction by Manceau, Alain, Tommaseo, Caterina, Rihs, Sophie, Geoffroy, Nicolas, Chateigner, Daniel, Schlegel, Michel, Tisserand, Delphine, Marcus, Matthew A., Tamura, Nobumichi, Chen, Zueng-Sang

“…The natural speciation of Mn (0.19 g/kg), Ni (46 mg/kg), and Zn (42 mg/kg) in the argillic horizon (120 cm depth, pH = 5.6) of an Ultisol from a paddy soil in…”
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The Late Pleistocene Duoi U’Oi cave in northern Vietnam: palaeontology, sedimentology, taphonomy and palaeoenvironments by Bacon, Anne-Marie, Demeter, F., Duringer, P., Helm, C., Bano, M., Vu The Long, Kim Thuy, Nguyen Thi, Antoine, P.-O., Thi Mai, Bui, Huong, Nguyen Thi Mai, Dodo, Y., Chabaux, F., Rihs, S.

“…This paper describes new fossil materials recovered at the Duoi U’Oi site, in December 2003, by a Vietnamese-French-Japanese team. The Duoi U’Oi cave is…”
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A simplified method to estimate kinetic and thermodynamic parameters on the solid-liquid separation of pollutants by Montes Hernandez, German, Rihs, Sophie

“…The aim of the present study was to propose a simplified experimental-theoretical method to estimate the kinetic and thermodynamic parameters on the…”
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U isotope ratios as tracers of groundwater inputs into surface waters: Example of the Upper Rhine hydrosystem by Durand, Sébastien, Chabaux, François, Rihs, Sophie, Duringer, Philippe, Elsass, Philippe

“…Major elements, trace elements and Sr and U isotopes were analyzed in the dissolved load of water samples collected in the main reservoirs of the Rhine graben,…”
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Seasonal variability of element sources in two Central Siberian rivers draining high latitude permafrost dominated areas by Bagard, Marie-Laure, Chabaux, François, Pokrovsky, Oleg S., Viers, Jérôme, Prokushkin, A.S., Stille, Peter, Rihs, Sophie, Schmitt, Anne-Désirée, Dupre, Bernard

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Interaction of Uranyl with Calcite in the Presence of EDTA by Rihs, Sophie, Sturchio, Neil C, Orlandini, Kent, Cheng, Likwan, Teng, Henry, Fenter, Paul, Bedzyk, Michael J

“…Adsorption of uranyl at the surface of calcite was investigated by using batch sorption experiments and synchrotron X-ray standing wave (XSW) measurements…”
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An improved method for Ra isotope ( 226Ra, 228Ra, 224Ra) measurements by gamma spectrometry in natural waters: application to CO 2-rich thermal waters from the French Massif Central by Rihs, Sophie, Condomines, Michel

“…An improved method was developed to measure 226Ra, 228Ra and 224Ra in freshwaters by gamma spectrometry. Radium was selectively extracted from acidified…”
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