Thank you to all who participated in the Social Hour – Virtual Groundwater Trivia Edition, this past July. We hope you enjoyed seeing some familiar faces and putting your groundwater knowledge to the test. Congratulations to the winning team, the Coneheads of Depression, comprised of Andrew Streitz, Jim Walsh, Bob Tipping, and Paul Putzier!
The hydrogeology section questions are provided here. The answers will be put up on the blog in two weeks. Depending on the response we will publish more questions from the quiz in future additions of the newsletter. Enjoy!
by Jane de Lambert, MDH
- A groundwater model is considered calibrated when:
- the model grid and layers match the constructed conceptual model
- the groundwater flux into the model equals the groundwater flux out of the model
- hydraulic heads and fluxes reproduce the system modeled within an acceptable tolerance
- the chosen model boundaries express the nature of the physical boundaries
- In a steady state environment, a confined sand aquifer has a transmissivity of 40 m^2/d, thickness of 10m, and porosity of 20%. What is the hydraulic conductivity?
- What groundwater modeling system is Otto Strack famously known for creating?
- What is the term for the unsaturated zone between the land surface and the water table?
- In an eolian sand aquifer, the hydraulic conductivity would be expected to generally
- increase upward
- increase downward
- be uniform
- be lowest in the middle of the unit
- The rate of production from a subsurface reservoir is most related to:
- porosity
- permeability
- compactness
- grain size
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