Geochemical and isotopic (U, Sr) tracing of water pathways in the granitic Ringelbach catchment (Vosges Mountains, France)

Schaffhauser, T.; Chabaux, François; Ambroise, Bruno; Lucas, Yann; Stille, Peter; Reuschlé, Thierry; Perrone, Thierry; Fritz, Bertrand

doi:10.1016/j.chemgeo.2014.02.028

Cited by 28 publications

(30 citation statements)

References 65 publications

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“…u-strasbg.fr). More details can be found in Gangloff et al (2014), Pierret et al (2014), Prunier et al (2015) for the Strengbach CZO and in Schaffhauser et al (2014) Schaffhauser et al 2014). Both watersheds are also equipped with boreholes, which have confirmed the occurrence of deep circulations in the two watersheds along fractures concentrated in relatively narrow layers, several centimeters wide.…”

Section: Site Description-analytical Proceduresgeochemical Modeling Amentioning

confidence: 76%

“…An increase in the water residence time within the bedrock due to a longer pathway, or a slower water velocity will thus logically result in an increase in the 234 U enrichment, i.e., of the U activity ratio of the water. Such a mechanism has been invoked to explain the moderate increase of the ( 234 U/ 238 U) activity ratios of the granitic spring waters with decreasing spring elevation in the Ringelbach catchment (Schaffhauser et al 2014). The systematically higher U activity ratios in the borehole waters than in the spring waters, with ( 234 U/ 238 U) ratios as high as 2 in the deep borehole waters of the Strengbach catchment ( Fig.…”

Section: Results and Implicationsmentioning

confidence: 99%

“…Several of the spring and borehole water samples were analyzed for determining their major and trace element concentrations and their 87 Sr/ 86 Sr isotope and ( 234 U/ 238 U) activity ratios. These analyzes were performed following the standard procedures commonly used in the laboratory (see details in Schaffhauser et al 2014 for summary). The data have been partly presented and discussed in previous works (Prunier 2008;Pierret et al 2014;Schaffhauser 2013;Schaffhauser et al 2014), which have emphasized the interest of coupling various geochemical tracers to constrain the main (bio)-geochemical processes involved in the CZ functioning.…”

Section: Site Description-analytical Proceduresgeochemical Modeling Amentioning

confidence: 99%

“…These analyzes were performed following the standard procedures commonly used in the laboratory (see details in Schaffhauser et al 2014 for summary). The data have been partly presented and discussed in previous works (Prunier 2008;Pierret et al 2014;Schaffhauser 2013;Schaffhauser et al 2014), which have emphasized the interest of coupling various geochemical tracers to constrain the main (bio)-geochemical processes involved in the CZ functioning. The multi-component reactive transport model KIRMAT (KInetic Reactions and MAss transport) has been also applied to constrain the main water-rock interactions controlling the chemical composition of the Strengbach and Ringelbach spring and borehole waters (Schaffhauser 2013;Ackerer 2017).…”

Section: Site Description-analytical Proceduresgeochemical Modeling Amentioning

confidence: 99%

“…In elementary watersheds, especially in mountain context, current studies show that in addition to hypodermic circulations more or less parallel to the slopes of the basins and feeding the springs, there are deeper circulations through fractures affecting the bedrock (e.g., Schaffhauser et al 2014). The Strengbach and Ringelbach experimental watersheds, located in eastern France, equipped with semideep boreholes up to 100-150 m depth, make it possible to carry out hydrogeological and hydrogeochemical investigations.…”

Section: Introductionmentioning

confidence: 99%

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Geochemical tracing and modeling of surface and deep water–rock interactions in elementary granitic watersheds (Strengbach and Ringelbach CZOs, France)

et al. 2017

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From the study of the Strengbach and Ringelbach watersheds we propose to illustrate the interest of combining the geochemical tracing and geochemical modeling approaches on surface and deep borehole waters, to decipher the diversity of the water flow and the associated water-rock interactions in such elementary mountainous catchments. The results point to a clear geochemical typology of waters depending on the water circulations (deep vs. hypodermic) within the substratum.

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Section: Site Description-analytical Proceduresgeochemical Modeling Amentioning

confidence: 76%

Section: Results and Implicationsmentioning

confidence: 99%

Section: Site Description-analytical Proceduresgeochemical Modeling Amentioning

confidence: 99%

Section: Site Description-analytical Proceduresgeochemical Modeling Amentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Geochemical tracing and modeling of surface and deep water–rock interactions in elementary granitic watersheds (Strengbach and Ringelbach CZOs, France)

et al. 2017

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Variable water‐saturated areas and streamflow generation in the small Ringelbach catchment (Vosges Mountains, France): the master recession curve as an equilibrium curve for interactions between atmosphere, surface and ground waters

Ambroise

2016

Hydrological Processes

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In the small Ringelbach research catchment, where studies on the water cycle components in a granitic mountainous environment have been conducted since 1976, the water‐saturated areas that are hydraulically connected to the outlet play a major role in the streamflow generation, as it is here that complex interactions between atmosphere, surface and ground waters take place. During baseflow recession periods, which may last several months between two groundwater recharge events, the atmospheric inputs of water and energy on these contributing areas only explain the streamflow fluctuations observed around the master recession curve, which defines the groundwater contribution: fluctuating above it in the case of precipitation input on these areas, below it in the case of evaporation output from these areas. Streamflow may therefore largely deviate from the master recession curve in the case of long, hot, dry spells. Detailed mapping has shown that their variable extent is well related to baseflow by a loglinear curve. On the other hand, a synthetic master recession curve, well fitted by a second‐order hyperbolic function, has been obtained from numerous pure recession periods. Both based on these two curves, a simple procedure and a simple model have been used to (i) validate the hypothesis that the connected saturated areas are the only permanent variable contributing areas and (ii) simulate the daily streamflow volumes over long baseflow recession periods by a water balance of the aquifer below these areas only. The storm runoff ratio for small to moderate rainfall events is indeed corresponding to the catchment saturated fraction at that time. The volume of daily streamflow oscillations is indeed corresponding to the evaporation at the potential rate from the saturated areas only. In both cases, streamflow naturally tends towards the master recession curve after the end of any atmospheric perturbation. Introducing these findings into TOPMODEL led to significantly improved simulation results during baseflow recession periods. The master recession curve may therefore be considered as a dynamic equilibrium curve. Together with the relationship between saturated extent and baseflow, it provides the main characteristics necessary to understand and model the interactions at this complex interface and the resulting daily streamflow variations during baseflow recession periods in this type of catchment. Copyright © 2016 John Wiley & Sons, Ltd.

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Hydrogeochemical modeling (KIRMAT) of spring and deep borehole water compositions in the small granitic Ringelbach catchment (Vosges Mountains, France)

Lucas

Chabaux

Schaffhauser

et al. 2017

Applied Geochemistry

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Geochemical and isotopic (U, Sr) tracing of water pathways in the granitic Ringelbach catchment (Vosges Mountains, France)

Cited by 28 publications

References 65 publications

Geochemical tracing and modeling of surface and deep water–rock interactions in elementary granitic watersheds (Strengbach and Ringelbach CZOs, France)

Geochemical tracing and modeling of surface and deep water–rock interactions in elementary granitic watersheds (Strengbach and Ringelbach CZOs, France)

Variable water‐saturated areas and streamflow generation in the small Ringelbach catchment (Vosges Mountains, France): the master recession curve as an equilibrium curve for interactions between atmosphere, surface and ground waters

Hydrogeochemical modeling (KIRMAT) of spring and deep borehole water compositions in the small granitic Ringelbach catchment (Vosges Mountains, France)

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