Stepwise Modeling of Groundwater Flow
101 D (Music City Center)
Groundwater modeling is often characterized as a money sink, even a black hole. However, a more frugal approach is gaining popularity: Stepwise modeling. We will demonstrate this approach by starting with simple hand calculations, followed by a 1-layer analytic element computer model, and progressing toward a multi-layer finite difference model. The crux here is to constantly keep the purpose of the study in mind and to try to find the required answers with a minimum of modeling effort. The process not only saves time and money, but also increases confidence in the final outcome. We will use the analytic element model GFLOW, which has a MODFLOW extract feature to seamlessly transition into a more complex numerical model. The concept of stepwise modeling, however, is universal and does not hinge on particular software choices.
Moderator:
Hendrik Haitjema, Ph.D.
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