GMS 10.3 Tutorial MODFLOW-USG Map Shapefile to CLN Map a Shapefile to the CLN package with MODFLOW-USG in GMS
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1 v GMS 10.3 Tutorial MODFLOW-USG Map Shapefile to CLN Map a Shapefile to the CLN package with MODFLOW-USG in GMS Objectives Learn how to map shapefile geometry and attributes to the CLN package in GMS. Prerequisite Tutorials Required Components Grid Module MODFLOW Time minutes Page 1 of 8 Aquaveo 2017
2 1 Introduction Description of Problem Getting Started Opening an MODFLOW-USG Project Mapping to CLN Viewing the Mapped Data Saving and Running MODFLOW Viewing the Results Conclusion Introduction The Connected Linear Network (CLN) process was developed for MODFLOW-USG to have the ability to model complex one-dimensional connected features that are much smaller than a groundwater flow model s cells. 1 A three-dimensional arc shapefile can be used to store the geometry and attributes of such a linear network. This tutorial demonstrates how to use a 3D arc shapefile to map geometry and attributes to CLN Process in GMS. The following topics will be demonstrated in this tutorial: 1. Opening an existing MODFLOW-USG simulation. 2. Mapping a shapefile to the CLN process. 3. Running the simulation and examining the results. 1.1 Description of Problem The problem in this tutorial is shown in Figure 1. It consists of a three layer MODFLOW-USG model. The first and third layers contain specified head boundary conditions along one side of the model. The middle layer has a low hydraulic conductivity and acts as a confining layer. The model will be modified to include a network of mine tunnels consisting of five vertical shafts connected by a declining tunnel. When filled with groundwater, the network of tunnels will allow groundwater to travel between the model layers. The first mine shaft is toward the southwest side of the model. It descends 50 m from the surface to an elevation of 1350 m. From the first shaft the descending tunnel connects to each successive shaft with the last shaft descending 500 m to an elevation of 900 m. 1 Panday, Sorab, Langevin, C.D., Niswonger, R.G., Ibaraki, Motomu, and Hughes, J.D. (2013). MODFLOW USG version 1: An unstructured grid version of MODFLOW for simulating groundwater flow and tightly coupled processes using a control volume finite-difference formulation: U.S. Geological Survey Techniques and Methods. Book 6, chap. A45, 66 p., Page 2 of 8 Aquaveo 2017
3 Figure 1 Description of problem 1.2 Getting Started Do the following to get started: 1. If necessary, launch GMS. 2. If GMS is already running, select File New to ensure that the program settings are restored to their default state. 2 Opening a MODFLOW-USG Project Start with opening a project file that already contains the MODFLOW-USG simulation. 1. Click Open (or File Open ) to bring up the Open dialog. 2. Browse to the Tutorials\MODFLOW-USG\ShapefileToCLN directory and select start.gpr. 3. Click Open to import the file and close the Open dialog. The Graphics Window should appear as shown in Figure 2. Before making any further changes, save the project with a new name. 1. Select File Save As to bring up the Save As dialog. 2. Browse to the Tutorials\MODFLOW-USG\ ShapefileToCLN directory. 3. Enter ShapefileToCLN.gpr as the File name. Page 3 of 8 Aquaveo 2017
4 4. Select Project Files (*.gpr) from the Save as type drop-down. 5. Click Save to save the project file and close the Save As dialog. Figure 2 Starting project 3 Mapping to CLN The shapefile containing the mine tunnel geometry is included in the project. To view the attributes included in the shape file: 1. Under GIS Layers in the Project Explorer, right-click on the mine.shp file and select Attribute Table... to open the Attributes dialog. Attributes have been specified for the conduit radius (FRAD) and the conductivity for flow inside the conduit (CONDUITK). 2. Click on OK to close the Attributes dialog. To map the shapefile to the CLN process, the CLN process must first be enabled. 3. Select MODFLOW Global Options to bring up the MODFLOW Global/Basic Package dialog. 4. Click Packages... to open MODFLOW Packages / Processes dialog. 5. Turn on the CLN Connected Linear Network Process option. 6. Click OK to exit the MODFLOW Packages / Processes dialog. 7. Click OK to exit the MODFLOW Global/Basic Package dialog. Page 4 of 8 Aquaveo 2017
5 Now to map the shapefile to the CLN process. 8. Select the MODFLOW Optional Packages CLN Connected Linear Network... menu item to open the CLN Package dialog. 9. In the list on the left-hand side of the dialog, select the Nodes item. 10. Click on the Map Shapefile to CLN... button. The Select Arc Shapefile dialog should appear. 11. Highlight the mine.shp file. 12. Click OK to close the Select Arc Shapefile dialog and open the Map Shapefile to CLN dialog. The settings items in this dialog are used when attributes are not specified as arc attributes by the shapefile. Since the mine.shp file has attributes for the FRAD and CONDUITK values, the settings for FRAD and CONDUITK in this dialog will be ignored. Also included is a Duplicate Point Tolerance item. It is used to determine when to combine arc points that are within the given distance of each other into a single point to connect the arcs. For this problem, adjust the leakance and turn on the setting to generate a UGrid of the CLN network. 13. For the Skin leakance 1 (FSKIN) item set the value to For the Maximum CLN node length (MAXNODELEN) set the value to Set the Generate CLN UGrid value to On. 16. Click on OK to close the Map Shapefile to CLN dialog and finish mapping the shapefile values to the CLN process. The segments of the shapefile arcs were split based on the MAXNODELEN setting and then intersected with the UGrid to generate the CLN data. The Nodes table in the CLN Package dialog should be filled with 13 new CLN nodes (or cells) for the mapped data. In the table, the IFNO value is the CLN cell number, FLENG is the length of the cell, and FELEV is the elevation at the bottom of the cell. STRT is the starting head value which by default is set to the bottom elevation. Descriptions of the other values can be found in the MODFLOW-USG documentation. 4 Viewing the Mapped Data Now to view other data mapped from the shapefile. 1. In the list on the left-hand side of the CLN Package dialog, select the GWConnections item. Page 5 of 8 Aquaveo 2017
6 The GWConnections table contains the values for each CLN cell to groundwater cell connection. The table should contain rows for 44 connections. The IFNO value is the CLN cell number and the IGWNOD value is the groundwater cell number. The FSKIN value for each cell should be 5.0, which matches the value entered in the Map Shapefile to CLN dialog. 2. Select OK to close the CLN Package dialog. In the Graphics Window, orange square point symbols should have been added to designate the groundwater cells that have groundwater to CLN connections as shown in Figure 3. In the Project Explorer a new UGrid has appeared entitled CLN Cells. This newly created UGrid has line segment cells matching the CLN cells. The cell numbers for this UGrid can be turned on to identify the location of the CLN cells. 3. Turn off the mine.shp file in the Project Explorer. 4. Select the CLN Cells item in the Project Explorer. 5. Select Display Display Options... to open the Display Options dialog. 6. Turn on the Cell numbers option. If desired, increase the font size. 7. Select OK to close the Display Options dialog. The CLN cells and cell numbers should now appear in the graphics view along with the orange symbols for CLN groundwater connections as shown in Figure 3. Figure 3 Mapped CLN data Page 6 of 8 Aquaveo 2017
7 5 Saving and Running MODFLOW The changes should now be saved before running MODFLOW. 1. Save the project. 2. Click the Run MODFLOW macro in the toolbar. 3. Select Yes at the prompt to save the changes before running the model and bring up the MODFLOW model wrapper dialog. 4. When MODFLOW finishes, check the Read solution on exit and Turn on contours (if not on already) boxes. 5. Click Close to close the MODFLOW model wrapper dialog. 6 Viewing the Results After running MODFLOW, there will be a slight change in the head contours. A new solution folder named ShapefileToCLN (MODFLOW) has been generated in the Project Explorer. Under the solution folder there should be two CCF files. The first CCF file, CCF (ShapefileToCLN.ccf), contains the flow budget information for the groundwater process. The second CCF file, CCF (ShapefileToCLN.cln_cb), contains the flow budget information for the CLN process. First, look at the groundwater flow budget. 1. Right-click on the CCF (ShapefileToCLN.ccf) file and select the Flow Budget... menu item to open the Flow Budget dialog. Notice that there is a flow budget item entitled GWF TO CLN. This item gives the amount of flow between the groundwater grid and the CLN grid. There should be a flow in of approximately and flow out of approximately , signifying the amount of groundwater that was transferred through the CLN network.. 2. Select OK to close the Flow Budget dialog.. To get a better feel for the water transfer between the layers, set up flow budget zones for each layer and then view the zone budget. 3. Double-click on the Zone Budget IDs dataset item in the Project Explorer to bring up the Zone Budget IDs dialog. 4. Change the Layer to layer Click Constant Layer to bring up the Layer Value dialog. 6. Enter 2 for the Constant value to layer field. 7. Select OK to close the Layer Value dialog. 8. Change the Layer to layer 3. Page 7 of 8 Aquaveo 2017
8 9. Click Constant Layer to bring up the Layer Value dialog. 10. Enter 3 for the Constant value to layer field. 11. Select OK to close the Layer Value dialog. 12. Select OK to close the Zone Budget IDs dialog. 13. Right-click on the CCF (ShapefileToCLN.ccf) file and select the Flow Budget... menu item to open the Flow Budget dialog. 14. At the top of the dialog, select the Zones tab. 15. Change the Zone popup menu to All Zones. In the flow budget table, an overall balance should appear at the top followed by entries for zones corresponding to each layer. Notice that for layers 2 and 3 all of the GWF TO CLN flow is leaving each layer, and for layer 1 the majority of the flow is entering the layer. 16. Select OK to close the Flow Budget dialog. Now we will view the CLN network flow budget. 17. Right-click on the CCF (ShapefileToCLN.cln_cb) file and select the Flow Budget... menu item to open the Flow Budget dialog for the CLN network. Notice that there is also a GWF TO CLN item for the CLN network and the amount is close to the amount for the groundwater flow budget. The flow budget for the CLN network can also be viewed for each CLN cell. 18. Select OK to close the Flow Budget dialog. 19. Right-click on the CCF (ShapefileToCLN.cln_cb) file and select the View Values... menu item. This dialog shows the flow budget values for each CLN cell. For the CLN cells touching groundwater cells in only the first layer (1, 2, 6, 7, and 8), the flow is leaving the CLN network, and for the cells that touch layer 3, the flow is entering the CLN network. 7 Conclusion This concludes the MODFLOW-USG Shapefile to CLN tutorial. Here are the key concepts from this tutorial: GMS has the ability to map a 3D arc shapefile to the CLN process. The shapefile can include CLN attributes that get mapped to the CLN process. The CLN process flow budget can be viewed in GMS. Page 8 of 8 Aquaveo 2017
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v. 8.2 GMS 8.2 Tutorial MODFLOW NWT Use MODFLOW-NWT With a Simple Model Objectives Compare the enhanced ability to handle cell drying and rewetting of MODFLOW-NWT to MODFLOW 2000. Prerequisite Tutorials
v MT3DMS Conceptual Model Approach GMS 10.3 Tutorial Using MT3DMS with a conceptual model
v. 10.3 GMS 10.3 Tutorial Using MT3DMS with a conceptual model Objectives Learn how to use a conceptual model when using MT3DMS. Perform two transport simulations, analyzing the long-term potential for
Using rasters for interpolation and visualization in GMS
v. 10.3 GMS 10.3 Tutorial Using rasters for interpolation and visualization in GMS Objectives This tutorial teaches how GMS uses rasters to support all kinds of digital elevation models and how rasters
v SEEP2D Sheet Pile Use SEEP2D to create a flow net around a sheet pile GMS Tutorials Time minutes Prerequisite Tutorials Feature Objects
v. 10.1 GMS 10.1 Tutorial Use SEEP2D to create a flow net around a sheet pile Objectives Learn how to set up and solve a seepage problem involving flow around a sheet pile using the SEEP2D interface in
v. 9.0 GMS 9.0 Tutorial UTEXAS Dam with Seepage Use SEEP2D and UTEXAS to model seepage and slope stability of a earth dam Prerequisite Tutorials None
v. 9.0 GMS 9.0 Tutorial Use SEEP2D and UTEXAS to model seepage and slope stability of a earth dam Objectives Learn how to build an integrated SEEP2D/UTEXAS model in GMS. Prerequisite Tutorials None Required
Learn the various 3D interpolation methods available in GMS
v. 10.4 GMS 10.4 Tutorial Learn the various 3D interpolation methods available in GMS Objectives Explore the various 3D interpolation algorithms available in GMS, including IDW and kriging. Visualize the
v GMS 10.0 Tutorial MODFLOW Advanced PEST Pilot Points, SVD-Assist, Parallel PEST Prerequisite Tutorials MODFLOW PEST Pilot Points
v. 10.0 GMS 10.0 Tutorial Pilot Points, SVD-Assist, Parallel PEST Objectives Learn how to parameterize a MODFLOW model and run PEST to obtain optimal parameter values. Experiment with truncated singular
GMS 10.4 Tutorial RT3D Instantaneous Aerobic Degradation
v. 10.4 GMS 10.4 Tutorial Objectives Simulate the reaction for instantaneous aerobic degradation of hydrocarbons using a predefined user reaction package. Prerequisite Tutorials MT2DMS Grid Approach Required
v Basic FESWMS Analysis SMS Tutorials Prerequisites Requirements Time Objectives
v. 12.2 SMS 12.2 Tutorial Objectives This tutorial instructs on how to prepare a mesh for a FESWMS simulation. Prerequisites Overview Tutorial Requirements FESWMS Fst2dh Mesh Module Time 15 30 minutes
Objectives Learn how to work with projections in GMS, and how to combine data from different coordinate systems into the same GMS project.
v. 10.4 GMS 10.4 Tutorial Working with map projections in GMS Objectives Learn how to work with projections in GMS, and how to combine data from different coordinate systems into the same GMS project.
GMS 8.3 Tutorial MODFLOW Stochastic Modeling, Inverse Use PEST to calibrate multiple MODFLOW simulations using material sets
v. 8.3 GMS 8.3 Tutorial Use PEST to calibrate multiple MODFLOW simulations using material sets Objectives The Stochastic inverse modeling option for MODFLOW is described. Multiple MODFLOW models with equally
v. 9.2 GMS 9.2 Tutorial MODFLOW Managing Transient Data Creating transient MODFLOW models with time-varying inputs Prerequisite Tutorials
v. 9.2 GMS 9.2 Tutorial Creating transient MODFLOW models with time-varying inputs Objectives GMS provides a powerful suite of tools for inputting and managing transient data. These tools allow all data
MODFLOW - Conceptual Model Approach
GMS 7.0 TUTORIALS MODFLOW - Conceptual Model Approach 1 Introduction Two approaches can be used to construct a MODFLOW simulation in GMS: the grid approach or the conceptual model approach. The grid approach
v Annotation Tools GMS 10.4 Tutorial Use scale bars, North arrows, floating images, text boxes, lines, arrows, circles/ovals, and rectangles.
v. 10.4 GMS 10.4 Tutorial Use scale bars, North arrows, floating images, text boxes, lines, arrows, circles/ovals, and rectangles. Objectives GMS includes a number of annotation tools that can be used
SMS v Simulations. SRH-2D Tutorial. Time. Requirements. Prerequisites. Objectives
SMS v. 12.1 SRH-2D Tutorial Objectives This tutorial will demonstrate the process of creating a new SRH-2D simulation from an existing simulation. This workflow is very useful when adding new features
GMS 8.0 Tutorial MODFLOW Managing Transient Data Creating transient MODFLOW models with time-varying inputs
v. 8.0 GMS 8.0 Tutorial Creating transient MODFLOW models with time-varying inputs Objectives GMS provides a powerful suite of tools for inputting and managing transient data. These tools allow all data
Stratigraphy Modeling Horizons with Rasters Create solids from rasters using the Horizons Solids tool.
v. 10.1 GMS 10.1 Tutorial Create solids from rasters using the Horizons Solids tool. Objectives Learn what a raster catalog is and how it can be used to create subsurface models. Prerequisite Tutorials
Objectives Build a 3D mesh and a FEMWATER flow model using the conceptual model approach. Run the model and examine the results.
v. 10.0 GMS 10.0 Tutorial Build a FEMWATER model to simulate flow Objectives Build a 3D mesh and a FEMWATER flow model using the conceptual model approach. Run the model and examine the results. Prerequisite
v UGrid Clipping GMS 10.3 Tutorial Using Clipping display option to visualize UGrid data Prerequisite Tutorials Getting Started
v. 10.3 GMS 10.3 Tutorial Using Clipping display option to visualize UGrid data Objectives This tutorial describes the UGrid clipping tool. The UGrid clipping tool can be used to cut away a portion of
v Introduction to WMS WMS 11.0 Tutorial Become familiar with the WMS interface Prerequisite Tutorials None Required Components Data Map
s v. 11.0 WMS 11.0 Tutorial Become familiar with the WMS interface Objectives Import files into WMS and change modules and display options to become familiar with the WMS interface. Prerequisite Tutorials
Objectives Learn how to work with projections in SMS, and how to combine data from different coordinate systems into the same SMS project.
v. 12.2 SMS 12.2 Tutorial Working with map projections in SMS Objectives Learn how to work with projections in SMS, and how to combine data from different coordinate systems into the same SMS project.
Import, view, edit, convert, and digitize triangulated irregular networks
v. 10.1 WMS 10.1 Tutorial Import, view, edit, convert, and digitize triangulated irregular networks Objectives Import survey data in an XYZ format. Digitize elevation points using contour imagery. Edit
Objectives This tutorial will introduce how to prepare and run a basic ADH model using the SMS interface.
v. 12.1 SMS 12.1 Tutorial Objectives This tutorial will introduce how to prepare and run a basic ADH model using the SMS interface. Prerequisites Overview Tutorial Requirements ADH Mesh Module Scatter
v GMS 10.1 Tutorial UTEXAS Embankment on Soft Clay Introduction to the UTEXAS interface in GMS for a simple embankment analysis
v. 10.1 GMS 10.1 Tutorial Introduction to the UTEXAS interface in GMS for a simple embankment analysis Objectives Learn how to build a simple UTEXAS model in GMS. Prerequisite Tutorials Feature Objects
MODFLOW Stochastic Modeling, PEST Null Space Monte Carlo I. Use PEST to create multiple calibrated MODFLOW simulations
v. 10.1 GMS 10.1 Tutorial MODFLOW Stochastic Modeling, PEST Null Space Monte Carlo I Use PEST to create multiple calibrated MODFLOW simulations Objectives The PEST Null Space Monte Carlo modeling option
This tutorial shows how to build a Sedimentation and River Hydraulics Two-Dimensional (SRH-2D) simulation. Requirements
v. 13.0 SMS 13.0 Tutorial Objectives This tutorial shows how to build a Sedimentation and River Hydraulics Two-Dimensional () simulation. Prerequisites SMS Overview tutorial Requirements Model Map Module
Learn how to delineate a watershed using the hydrologic modeling wizard
v. 10.1 WMS 10.1 Tutorial Learn how to delineate a watershed using the hydrologic modeling wizard Objectives Import a digital elevation model, compute flow directions, and delineate a watershed and sub-basins
v. 9.0 GMS 9.0 Tutorial MODPATH The MODPATH Interface in GMS Prerequisite Tutorials None Time minutes
v. 9.0 GMS 9.0 Tutorial The Interface in GMS Objectives Setup a simulation in GMS and view the results. Learn about assigning porosity, creating starting locations, different ways to display pathlines,
MT3DMS Advanced Transport MT3DMS dispersion, sorption, and dual domain options
v. 10.1 GMS 10.1 Tutorial MT3DMS dispersion, sorption, and dual domain options Objectives Learn about the dispersion, sorption, and dual domain options in MT3DMS Prerequisite Tutorials MT2DMS Grid Approach
v. 9.1 GMS 9.1 Tutorial UTEXAS Embankment On Soft Clay Introduction to the UTEXAS interface in GMS for a simple embankment analysis
v. 9.1 GMS 9.1 Tutorial UTEXAS Embankment On Soft Clay Introduction to the UTEXAS interface in GMS for a simple embankment analysis Objectives Learn how to build a simple UTEXAS model in GMS. Prerequisite
Objectives Learn how to work with projections in SMS, and how to combine data from different coordinate systems into the same SMS project.
v. 12.3 SMS 12.3 Tutorial Working with map projections in SMS Objectives Learn how to work with projections in SMS, and how to combine data from different coordinate systems into the same SMS project.
Learn how to delineate a watershed using the hydrologic modeling wizard
v. 11.0 WMS 11.0 Tutorial Learn how to delineate a watershed using the hydrologic modeling wizard Objectives Import a digital elevation model, compute flow directions, and delineate a watershed and sub-basins
v Basic FESWMS Analysis SMS 11.2 Tutorial Time minutes Prerequisites Overview Tutorial Requirements FESWMS Fst2dh Mesh Module
v. 11.2 SMS 11.2 Tutorial Objectives This lesson teaches how to prepare a mesh for a FESWMS simulation. Prerequisites Overview Tutorial Requirements FESWMS Fst2dh Mesh Module Time 15-30 minutes Page 1
v Prerequisite Tutorials Required Components Time
v. 10.0 GMS 10.0 Tutorial MODFLOW Stochastic Modeling, Parameter Randomization Run MODFLOW in Stochastic (Monte Carlo) Mode by Randomly Varying Parameters Objectives Learn how to develop a stochastic (Monte
v Cartesian Grid Generation SMS 12.3 Tutorial Prerequisites Requirements Time Objectives
v. 12.3 SMS 12.3 Tutorial Objectives This tutorial gives a brief introduction to generating a Cartesian Grid in SMS. Prerequisites Overview Tutorial Map Module Tutorial Requirements Map Module Cartesian