Research paperStrontium isotopes as indicators of the dissolving phase in a carbonate aquifer: implications for 14C dating of groundwater
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Cited by (29)
Hydrogeochemical behavior of Ba, B, Rb, and Sr in an urban aquifer located in central Mexico and its environmental implications
2022, Journal of South American Earth SciencesA review of radioactive isotopes and other residence time tracers in understanding groundwater recharge: Possibilities, challenges, and limitations
2017, Journal of HydrologyCitation Excerpt :These processes also affect the δ13C of the DIC and normalisation of 14C contents against the δ13C of the graphite used in the analysis may introduce errors in the residence time calculations (Meredith et al., 2016). The contribution of old C is generally estimated using a combination of major ion geochemistry, stable C isotopes, and other geochemical tracers such as 87Sr/86Sr ratios (Bishop et al., 1994; Coetsiers and Walraevens, 2009; Meredith et al., 2016). While many studies have addressed this, it is difficult to determine the contribution of old C in some groundwater systems where multiple sources of old carbon might be present.
Strontium isotopes as tracers of water-rocks interactions, mixing processes and residence time indicator of groundwater within the granite-carbonate coastal aquifer of Bonifacio (Corsica, France)
2016, Science of the Total EnvironmentCitation Excerpt :Strontium isotopes are also widely used in hydrogeology to characterize mineralization processes conditioned by water-rock interactions with magmatic rocks (Casanova et al., 2001; Negrel, 1999; Negrel, 2006; Negrel et al., 2010) or with carbonates (Armstrong et al., 1998; Barbieri et al., 2005; Bishop et al., 1994; Dogramaci and Herczeg, 2002; Ettayfi et al., 2012; Frost and Toner, 2004; Vinson et al., 2012). It has also been successfully employed to describe mixing processes between different groundwater flow lines availing the distinctive strontium signatures of the minerals in the host rocks (Bishop et al., 1994; Bullen et al., 1996; Cartwright et al., 2007; Casanova et al., 2001; Franklyn et al., 1991; Kloppmann et al., 2001; Marques et al., 2012; Negrel et al., 2002; Petelet-Giraud et al., 2003; Petelet-Giraud et al., 2006; Xie et al., 2013). Strontium isotope ratios in rocks vary principally according to the Rb/Sr ratio and the age of parent material because 87Sr is released by beta-decay of 87Rb (Kendall and McDonnell, 1998).
Implications of carbonate-like geochemical signatures in a sandstone aquifer: Radium and strontium isotopes in the Cambrian Jordan aquifer (Minnesota, USA)
2012, Chemical GeologyCitation Excerpt :Given that radium isotopes primarily record localized water–rock interaction, isotopes of strontium, which like Ra is an alkaline earth metal, may provide additional information on critical processes affecting the mobility and removal of radium. Applications of strontium isotopes in groundwater systems include: (1) mixing of waters of distinctive Sr content (Stueber and Walter, 1994; Katz and Bullen, 1996; Frost and Toner, 2004; Warner et al., 2012); (2) silicate weathering (Franklyn et al., 1991; Bullen et al., 1996; Harrington and Herczeg, 2003); (3) interaction with primary and/or diagenetic carbonate minerals (Bishop et al., 1994; Cander, 1995; Dogramaci and Herczeg, 2002; Musgrove and Banner, 2004; McIntosh and Walter, 2006); and (4) fingerprinting of sources of divalent cations such as cation exchange and evaporite dissolution (Armstrong et al., 1998; Vengosh et al., 1999; 2002; Jacobson and Wasserburg, 2005). Radium activity in groundwater in excess of the U.S. Environmental Protection Agency maximum contaminant level of 185 mBq L− 1 (5 pCi L− 1) combined 226Ra + 228Ra activity is a well-documented issue in the Cambrian–Ordovician aquifer system of the upper midwestern United States, exhibiting the highest exceedance rate among major regional aquifers in the United States (Szabo et al., 2012), yet is poorly understood within the individual sandstone and carbonate aquifers of this system.
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