GMS:SEAWAT: Difference between revisions

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|name=          SEAWAT
|name=          SEAWAT
|model_type=    3D Flow and Transport Model
|model_type=    3D Flow and Transport Model
|developer=    USGS
|developer=    [https://water.usgs.gov/ogw/seawat/ USGS]
|documentation= [http://gmsdocs.aquaveo.com/seawatv4.pdf SEAWAT Manual]
|documentation= [http://gmsdocs.aquaveo.com/seawatv4.pdf SEAWAT Manual]
|tutorials=    [[GMS:Tutorials#Models|SEAWAT Tutorials]]
|tutorials=    [[GMS:Tutorials#Models|SEAWAT Tutorials]]
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SEAWAT is a three dimensional variable density groundwater flow and transport model developed by the USGS based on [[GMS:MODFLOW|MODFLOW]] and [[GMS:MT3DMS|MT3DMS]].  SEAWAT v4 is based on MODFLOW 2000 and MT3DMS 5.2.  SEAWAT includes two additional packages: Variable-Density Flow (VDF) and Viscosity (VSC).  A complete description of SEAWAT is beyond the scope of this reference manual.  It is assumed that the reader has a basic knowledge of SEAWAT and has read the SEAWAT documentation.
SEAWAT is a three dimensional variable density groundwater flow and transport model developed by the USGS based on [[GMS:MODFLOW|MODFLOW]] and [[GMS:MT3DMS|MT3DMS]].  SEAWAT v4 is based on MODFLOW 2000 and MT3DMS 5.2.  SEAWAT includes two additional packages: Variable-Density Flow (VDF) and Viscosity (VSC).  A complete description of SEAWAT is beyond the scope of this reference manual.  It is assumed that the reader has a basic knowledge of SEAWAT and has read the SEAWAT documentation.


GMS supports SEAWAT as a pre- and post-processor.  The interface to SEAWAT relies on the interface to MODFLOW and MT3DMS.  The input data for SEAWAT is generated by GMS and saved to a set of files including a MODFLOW model, an MT3D model if transport is used, and a SEAWAT model pointing to the MODFLOW and MT3D model's package files.  These files are then read by SEAWAT and executed.  SEAWAT uses the MODFLOW and MT3D interfaces for boundary condition display and for post-processing.
GMS supports SEAWAT as a pre- and post-processor.  The interface to SEAWAT relies on the interface to MODFLOW and MT3DMS.  The input data for SEAWAT is generated by GMS and saved to a set of files including a MODFLOW model, an MT3D model if transport is used, and a SEAWAT model pointing to the MODFLOW and MT3D model's package files.  These files are then read by SEAWAT and executed, and real/actual head values are output by SEAWAT v4 (whereas SEAWAT v2 outputs equivalent freshwater heads).  SEAWAT uses the MODFLOW and MT3D interfaces for boundary condition display and for post-processing which explains why many of the output files are saved as MODFLOW or MT3DMS files as shown in the ''Output Files'' table below.


The SEAWAT model can be added to a [http://www.aquaveo.com/software/gms-pricing paid edition] of GMS.
The SEAWAT model can be added to a [http://www.aquaveo.com/software/gms-pricing paid edition] of GMS.
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==SEAWAT Files==
==SEAWAT Files==


Here are tables of some of the available Input and Output files for SEAWAT.
Below are tables of some of the available input and output files for SEAWAT.


* For more information on these files see their respective MODFLOW, MT3DMS, and SEAWAT manuals
* For more information on these files see their respective MODFLOW, MT3DMS, and SEAWAT manuals
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|+'''Output Files'''
|+'''Output Files'''
!align="center" width="50"|Name
!align="center" width="50"|Name
!width="250"|Description
!width="350"|Description
|-
|-
|CBB||SEAWAT Binary Cell-By-Cell Flow File
|CBB||SEAWAT Binary Cell-By-Cell Flow File
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|-
|-
|LIST||SEAWAT List File
|LIST||SEAWAT List File
|-
|UCN||MT3DMS
|-
|CNF||MT3DMS
|-
|-
|GLO||SEAWAT Global Listing File
|GLO||SEAWAT Global Listing File
|-
|-
|_W||SEAWAT
|_W||MODFLOW Weighted Residuals Data Exchange File
|-
|-
|_WW||SEAWAT
|_WW||MODFLOW Weighted Equivalents & Weighted Observation
|-
|-
|_WS||SEAWAT
|_WS||MODFLOW Weighted Residuals and Simulated Equivalents
|-
|-
|_R||SEAWAT
|_R||MODFLOW Unweighted Residuals Data Exchange File
|-
|-
|_OS||SEAWAT
|_OS||MODFLOW Observed Values and Simulated Equivalents File
|-
|-
|_B||SEAWAT
|_B||MODFLOW Data Exchange File
|-
|-
|_NM||SEAWAT
|_NM||MODFLOW Weighted Residuals and Probability Plotting file
|-
|-
|OUT||MODFLOW Output File
|OUT||MODFLOW Output File
|-
|_OS||SEAWAT
|-
|-
|CCF||MODFLOW Cell-to-Cell Flow File
|CCF||MODFLOW Cell-to-Cell Flow File
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|-
|-
|HED||MODFLOW HDF5 Head File
|HED||MODFLOW HDF5 Head File
|-
|UCN||MT3DMS Unformatted Concentration File
|-
|CNF||MT3DMS Spatial Configuration File
|-
|P00||Unsuccessful Termination Error File
|-
|-
|}
|}
==Importing a SEAWAT Simulation==
An existing SEAWAT v4 model can be imported into GMS by opening the name file which must have a ".nam" extension.  Upon opening the name file, GMS uses the name file to determine if the simulation is MODFLOW-2000, MODFLOW-2005, or a SEAWAT simulation based on the packages included. 
Once the import is complete, if the model includes transport packages or the VDF or VSC packages then a SEAWAT model is automatically created inside GMS. 
If the model only includes MODFLOW packages, then the SEAWAT model needs to be created by enabling the SEAWAT model interface by selecting ''SEAWAT'' in the [[GMS:Edit Menu#Model Interface|''Model Interfaces'']] dialog available under the [[GMS:Edit Menu|''Edit'']] menu, and then selecting '''New Simulation''' under the [[GMS:SEAWAT Commands|''SEAWAT'']] menu.


==SEAWAT Links==
==SEAWAT Links==
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*[[GMS:Building a SEAWAT Model|Building a SEAWAT Model]]
*[[GMS:Building a SEAWAT Model|Building a SEAWAT Model]]
*[[GMS:SEAWAT Global Options Dialog|SEAWAT Global Options Dialog]]
*[[GMS:SEAWAT Global Options Dialog|SEAWAT Global Options Dialog]]
*[[GMS:SEAWAT MODFLOW AUX Variables|SEAWAT MODFLOW AUX Variables]]
*[[GMS:SEAWAT Packages|SEAWAT Packages]]
*[[GMS:SEAWAT Packages|SEAWAT Packages]]
*[[GMS:SEAWAT Importing a SEAWAT Simulation|Importing a SEAWAT Simulation]]
*[[GMS:MODFLOW with HDF5|MODFLOW with HDF5]]
*[[GMS:MODFLOW with HDF5|MODFLOW with HDF5]]


Latest revision as of 14:34, 16 August 2017

SEAWAT
Model Info
Model type 3D Flow and Transport Model
Developer USGS
Documentation SEAWAT Manual
Tutorials SEAWAT Tutorials
v • e

SEAWAT is a three dimensional variable density groundwater flow and transport model developed by the USGS based on MODFLOW and MT3DMS. SEAWAT v4 is based on MODFLOW 2000 and MT3DMS 5.2. SEAWAT includes two additional packages: Variable-Density Flow (VDF) and Viscosity (VSC). A complete description of SEAWAT is beyond the scope of this reference manual. It is assumed that the reader has a basic knowledge of SEAWAT and has read the SEAWAT documentation.

GMS supports SEAWAT as a pre- and post-processor. The interface to SEAWAT relies on the interface to MODFLOW and MT3DMS. The input data for SEAWAT is generated by GMS and saved to a set of files including a MODFLOW model, an MT3D model if transport is used, and a SEAWAT model pointing to the MODFLOW and MT3D model's package files. These files are then read by SEAWAT and executed, and real/actual head values are output by SEAWAT v4 (whereas SEAWAT v2 outputs equivalent freshwater heads). SEAWAT uses the MODFLOW and MT3D interfaces for boundary condition display and for post-processing which explains why many of the output files are saved as MODFLOW or MT3DMS files as shown in the Output Files table below.

The SEAWAT model can be added to a paid edition of GMS.

SEAWAT Files

Below are tables of some of the available input and output files for SEAWAT.

  • For more information on these files see their respective MODFLOW, MT3DMS, and SEAWAT manuals
Input Files
Name Description
SWN SEAWAT Name Control File
VDF SEAWAT Variable-Density Flow Process Input File
VSC SEAWAT Viscosity Package Input File
GLO MODFLOW Global Listing File
OUT MODFLOW Output File
HED MODFLOW HDF5 Head File
CCF MODFLOW Cell-to-Cell Flow File
LMT MODFLOW Link-MT3DMS Package
OBS MODFLOW Main Observation Process input file
CHOB MODFLOW Constant-Head Flow Observation Input File
ASP MODFLOW Advanced Spacial Parameterization File
DIS MODFLOW Discretization File
BA6 MODFLOW Basic Package
LPF MODFLOW Layer Property Flow Package
OC MODFLOW Process Output Control Option
RCH MODFLOW Recharge Package
WEL MODFLOW Process Well Package
CHD MODFLOW Time-Variant Specified-Head Package
PCG MODFLOW Preconditioned Conjugate-Gradient Package
BTN MT3DMS Basic Transport Package
ADV MT3DMS Advection Package
SSM MT3DMS Sink/Source Mixing Package
GCG MT3DMS Generalized Conjugate-Gradient Solver Package
Output Files
Name Description
CBB SEAWAT Binary Cell-By-Cell Flow File
HDS SEAWAT Head File
LIST SEAWAT List File
GLO SEAWAT Global Listing File
_W MODFLOW Weighted Residuals Data Exchange File
_WW MODFLOW Weighted Equivalents & Weighted Observation
_WS MODFLOW Weighted Residuals and Simulated Equivalents
_R MODFLOW Unweighted Residuals Data Exchange File
_OS MODFLOW Observed Values and Simulated Equivalents File
_B MODFLOW Data Exchange File
_NM MODFLOW Weighted Residuals and Probability Plotting file
OUT MODFLOW Output File
CCF MODFLOW Cell-to-Cell Flow File
GLO MODFLOW Global Listing File
HED MODFLOW HDF5 Head File
UCN MT3DMS Unformatted Concentration File
CNF MT3DMS Spatial Configuration File
P00 Unsuccessful Termination Error File

Importing a SEAWAT Simulation

An existing SEAWAT v4 model can be imported into GMS by opening the name file which must have a ".nam" extension. Upon opening the name file, GMS uses the name file to determine if the simulation is MODFLOW-2000, MODFLOW-2005, or a SEAWAT simulation based on the packages included.

Once the import is complete, if the model includes transport packages or the VDF or VSC packages then a SEAWAT model is automatically created inside GMS.

If the model only includes MODFLOW packages, then the SEAWAT model needs to be created by enabling the SEAWAT model interface by selecting SEAWAT in the Model Interfaces dialog available under the Edit menu, and then selecting New Simulation under the SEAWAT menu.

SEAWAT Links

SEAWAT External Links


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