The MODFLOW-2005 version of the Rocky Mountain Arsenal problem is nearly identical to the final model from this previous tutorial. However, several unused objects have been added that we will use later in the example to help define observations. Just as with the MODFLOW 6 version of the model, we will perform the following tasks.
•Make a few small but important changes to the model.
•Activate PEST.
•Define parameters to use in the model.
•Define parameter groups and assign parameters to them.
•Apply parameters to data sets.
•If desired, define pilot points.
•Apply parameters to boundary conditions.
•Define observations.
•Define observation groups.
•Assign observations to observation groups.
•Define prior information equations for Tikhonov regularization.
•Run PEST.
•Visualize weighted residuals.
•Visualize the modified model input.
