The Groundwater Flow process is required for all MODFLOW models. The Groundwater Flow process includes the following
• | The Basic package (required) |
• | Solvers (One and only one must be selected.) |
Some packages allow "parameters" to be used to specify input values. When parameters are used several input values may be linked because they are both controlled by the same parameter. In the Groundwater Flow process, parameters are simply another way of specifying input. However, parameters make automatic model calibration possible through the use of the Observation, Sensitivity, and Parameter-Estimation processes.