Introductory-level Lesson. The focus of this exercise is regional circulation of water within a groundwater basin - a defined volume of the subsurface through which groundwater flows from areas where the water table is recharged to a location where groundwater discharge occurs. This movement is a three-dimensional phenomenon, but we will use two-dimensional (vertical cross section) flow net diagrams to effectively illustrate some generalized flow system features and the effects of heterogeneity and anisotropy

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There is probably no engineering project that requires a more compatible marriage between hydrogeology and engineering than the construction of a tunnel. The prediction of groundwater inflow into a tunnel is important for designing the tunnel drainage system and to minimize environmental impacts and the risk of tunnel instabilities and subsidence damage. Use IGW-NET to simulate the groundwater flow into the given tunnel configurations.

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Decades of groundwater hydrology research and modeling has demonstrated that flow in the subsurface environment is complex. It consists of shallow and deep flow systems; it is multiscale - a hierarchical system or system of systems. Watch the related videos, answer short questions, and re-create the animations/models using IGW-NET.

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Develop a IGW-NET model to examine the effects of topography on regional groundwater flow systems.

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Develop a IGW-NET profile model to examine the effects of geology on regional groundwater flow systems.

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