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{{MODFLOW Links}} ...cell properties. Most cell properties are associated with a model such as MODFLOW or MT3DMS. If no models exist in the GMS project then the ''Cell Properties

{{MODFLOW Links}} In the original version of MODFLOW, specified head boundaries are defined using a combination of the [[GMS:IBO

{{MODFLOW Links}} The computational time intervals for a MODFLOW simulation are called "stress periods". The transient stresses (pumping rat

{{MODFLOW Links}} ...'' menu or by using the [[GMS:MODFLOW Conceptual Model Approach|conceptual model]] in the [[GMS:Map Module|Map module]]. Wells are specified by assigning a

{{MODFLOW Links}} ...ns/Basic_Package#Run Options|forward runs]] or for [[GMS:Model_Calibration|model calibration]] or for [[GMS:Stochastic_Modeling|stochastic modeling]].

{{MODFLOW Links}} ...However, before this command can be selected, MODFLOW must be initialized. MODFLOW is initialized as follows:

...e computed flows to the observed flows. The computed flows are part of the MODFLOW output. GMS writes the necessary files so that MODFLOW will output the computed flow for boundary conditions created in the Map mo

#A MODFLOW simulation in memory. #A MODFLOW solution in memory computed using MODFLOW 2000 with a valid head and flow field.

{{MODFLOW Links}} ...an be created using the [[GMS:MODFLOW Conceptual Model Approach|conceptual model]] in the [[GMS:Map Module|Map module]]. River attributes are typically used

:[[GMS:Building a FEMWATER Model|Building a FEMWATER Model]] :[[GMS:FEMWATER Model Input|FEMWATER Model Input]]

{{MODFLOW Links}} ...fined using the [[GMS:MODFLOW Conceptual Model Approach|conceptual model]] approach in the map module. Drains are specified by assigning an elevation and a con

{{MODFLOW Links}} ...mensional connected features that are much smaller than a groundwater flow model's cells.<ref name="tm6-A45">{{citation

{{MODFLOW Links}} ...portant steps in defining a [[GMS:MODFLOW#Building a MODFLOW Model|MODFLOW model]] is to define the layer elevations. The layer elevations are stored in the

{{MODFLOW Links}} ...general head condition is usually assigned along the outside edged of the model domain.

...et of solids can be used to build a completely grid-independent conceptual model regardless of the complexity of the site. Following is the set of steps required to use the '''Solids &rarr; MODFLOW''' command:

:[[GMS:Horizon Conceptual Model|Horizon Conceptual Model]] :[[GMS:Solids to MODFLOW Command|Solids to MODFLOW Command]]

:[[GMS:Horizon Conceptual Model|Horizon Conceptual Model]] :[[GMS:Solids to MODFLOW Command|Solids to MODFLOW Command]]

{{MODFLOW Links}} The Lake (LAK) package is a more sophisticated alternative to the typical approach of using the General Head package to simulate the effect of lakes and reser

...low observations can be steady state or transient depending on the type of MODFLOW-USG simulation. ...bservations''' command) or when using the [[GMS:Map to MODFLOW|'''Map&rarr;MODFLOW''']] command.

:[[GMS:Horizon Conceptual Model|Horizon Conceptual Model]] :[[GMS:Solids to MODFLOW Command|Solids to MODFLOW Command]]