11 vertical fluxes, but using horizontal hydraulic conductivity between cells in a layer and
the horizontal head gradient in the boundary cells. Also, the layer 11 boundary fluxes were
recalculated using the calibrated head and hydraulic conductivity values from the Troy
Valley model.
14 in/yr
10 in/yr
6 in/yr
8 ir/yr
12 in/yr
Figure 3.1. Recharge rates used in the Troy Valley regional model, taken from Feinstein et
al. (2005).
3.3.3 Surface Water Features
The River Package was used to simulate major surface water features in the model
area (Fig. 3.2). Surface water features were digitized from a Geographic Information System
(GIS) coverage of surface waters in Wisconsin imported to Groundwater Vistas as a map.
Three reaches were defined, one for lakes/wetlands and two for streams. Each lake/wetland