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SFRmaker and Linesink-Maker: Rapid Construction of Streamflow Routing Networks from Hydrography Data.

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Automating surface water boundary conditions for groundwater models is now faster and more reliable. New Python packages, SFRmaker and Linesink-maker, simplify complex data input, saving significant time and reducing errors in hydrological modeling.

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Area of Science:

  • Hydrology
  • Hydrogeology
  • Computational Science

Background:

  • Groundwater models increasingly incorporate complex water cycle components.
  • Integrating realistic surface water boundary conditions into models is a significant challenge, often manual and prone to errors.
  • Existing methods require substantial time and expertise.

Purpose of the Study:

  • To present two Python packages for automating the creation of surface water boundary conditions for groundwater models.
  • To reduce the time and potential for error associated with manual data input.
  • To improve the reproducibility and flexibility of hydrological modeling workflows.

Main Methods:

  • Development of two Python packages: SFRmaker for MODFLOW SFR input and Linesink-maker for GFLOW input.
  • Utilizing readily available hydrography data as the primary input source.
  • Automation of the process to convert hydrographic data into model-ready boundary condition files.

Main Results:

  • Significant reduction in processing time, from weeks/months to minutes.
  • Enhanced accuracy and reproducibility of model boundary condition setup.
  • Successful application demonstrated through two real-world case studies at various scales.

Conclusions:

  • The developed Python packages offer a robust and efficient solution for incorporating surface water boundaries in groundwater models.
  • These tools facilitate more complex and iterative hydrological modeling by simplifying data preparation.
  • The automation significantly lowers the barrier to entry for accurate and reproducible groundwater model development.