A set of selected cells can be specified as river cells using the Point Sources/Sinks command in the MODFLOW menu or river cells can be created using the conceptual model in the Map module. Once a set of river cells has been specified, the MODFLOW River Package dialog can be used to view and edit the values assigned to the cells. The options in the dialog are as follows:
This field shows the current stress period and allows you to cycle through the stress periods and view the different river properties for those stress periods in the spreadsheet below.
For cells where river type boundary conditions have been assigned, the stage, conductance, and bottom elevation assigned to each cell are displayed in the spreadsheet portion at the lower part of the dialog. The spreadsheet can be used to edit the row, column, layer, stage, conductance, and bottom elevation values. For a transient simulation, the values displayed in the spreadsheet are for an individual stress period. The values associated with other stress periods can be edited by entering the number of the desired stress period in the stress period edit box in the center of the dialog. If the Use previous option is selected for a given stress period, the values from the previous stress period are used and the spreadsheet is dimmed.
The Reset button deletes all of the data currently defined in the River package and restores the River package parameters to the default values.
Related Links:
Packages Supported by GMS
Building a MODFLOW Model