We have a hydrogeological setting of triassic layers, which are characterised by a ground water flow and mixing system. We tried to separate the sources of the groundwater flow and mixing system via hydrochemistry (ions), isotopes (deuterium, oxygen-18, tritium, carbon-14, strontium-isoptopes and sulphur isotopes), and still is not enough information to understand fully the hydrogeological regime. Which could be other approaches or tracers to separate the different aged components ?
Trace element ratios might help for conservative ions eg Br/Cl, B/Al, Rb/K, Sr/Ca or elements such as V, Zr, Y, REE, Ga, Ge, Sn, Gp VIII elements etc If one of the waters is anthropogenically impacted recently then Tc may even be useful
You may use HCA (hierarchical cluster analysis) of chemical components.
ıf you have reservoir temperature data you can use silica enthalpy model or cl enthalpy model to determine the mixing ratio. Also B-Cl, EC-Cl scatter diagrammes may show the mixing rate. However it is depends on dominant ion (watertype) Ca/Mg-Cl, HCO3-Cl, SO4-Cl, Na-Cl graphs hav good correlations for mixing waters.
I hope you tried but I add that temperature is a indicator for different flow paths. In addition, maybe the solution comes from noble gases, of course cost and time consuming.
Well,
The attached article,Conference Paper APPLICATION OF ENVIRONMENTAL ISOTOPES TECHNIQUE IN GROUNDWAT...
Regards
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