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Visualizing Hyporheic Flow Through Bedforms Using Dye Experiments and Simulation
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A dynamic meshing scheme for integrated hydrologic modeling to represent evolving landscapes.

Hyoun-Tae Hwang1, Young-Jin Park2, Steven J Berg1

  • 1Aquanty Inc., Waterloo, Ontario, Canada; Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, Canada.

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Human activities impact water resources, requiring adaptive models. This study introduces a dynamic meshing scheme for integrated surface-subsurface models to capture evolving landscapes, improving water resource management.

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Area of Science:

  • Environmental science
  • Hydrology
  • Geology

Background:

  • Human activities significantly impact water resources, affecting surface and groundwater systems.
  • Existing hydrologic models struggle to represent dynamic landscape changes from urbanization and mining.
  • Accurate modeling of evolving engineered environments is crucial for sustainable water management.

Purpose of the Study:

  • To develop and validate a dynamic meshing scheme for integrated surface-subsurface hydrological models.
  • To enhance the capability of models to simulate changing topography and geometry in engineered landscapes.
  • To assess the model's performance in representing dynamic shifts in water systems.

Main Methods:

  • Integration of a dynamic meshing scheme into the HydroGeoSphere model.
  • Verification against groundwater seepage in static hillslope conditions.
  • Proof-of-concept application in synthetic open-pit mining sites.

Main Results:

  • The dynamic meshing scheme accurately represents evolving landscapes in integrated models.
  • Model verification showed strong agreement with previous studies on groundwater seepage.
  • The scheme effectively captured time-dependent engineering configurations in mining scenarios.

Conclusions:

  • The dynamic meshing scheme offers a robust solution for modeling human-impacted, evolving water systems.
  • This advancement is vital for improving predictions of water availability and quality in dynamic environments.
  • The approach supports better regulatory and public understanding of water resource changes.