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The precipitation titration curve demonstrates the change in concentration of one reactant with the volume of titrant added. During the titration of chloride ions with silver nitrate, the precipitation titration curve is divided into three regions: before, at, and after the equivalence point. Before the equivalence point, low redissolution of the sparingly soluble silver chloride precipitate gives a low silver ion concentration. However, in the second region, representing the equivalence point,...
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DISOLV: A Python Package for the Interpretation of Borehole Dilution Tests.

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This study introduces DISOLV, a free Python package for analyzing single borehole dilution tests (SBDTs). It simplifies hydrogeological characterization by identifying flowing fractures and estimating flow rates in hard-rock aquifers.

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Area of Science:

  • Hydrogeology
  • Environmental Science
  • Geosciences

Background:

  • Single borehole dilution tests (SBDTs) are a cost-effective method for characterizing hard-rock aquifers.
  • Interpreting SBDT data can be time-consuming and complex.
  • Accurate flow rate estimation is crucial for understanding aquifer behavior.

Purpose of the Study:

  • To introduce DISOLV, an open-source Python package for SBDT data analysis.
  • To streamline the process of plotting, analyzing, and modeling SBDT data.
  • To aid in identifying hydraulically active fractures and quantifying flow rates.

Main Methods:

  • Development of a user-friendly, open-source Python package (DISOLV).
  • Benchmarking DISOLV against established analytical solutions for validation.
  • Application of the package to real-world field data from a crystalline basement aquifer.

Main Results:

  • DISOLV provides efficient plotting, analysis, and modeling capabilities for SBDT data.
  • The package successfully identifies flowing fractures and estimates associated flow rates.
  • Validation confirms the accuracy of DISOLV when compared to analytical solutions.

Conclusions:

  • DISOLV significantly reduces the time and effort required for SBDT data interpretation.
  • The package enhances the hydrogeological characterization of hard-rock aquifers.
  • DISOLV offers a valuable, accessible tool for researchers and practitioners.