< PreviousMGMT User’s Manual Version 1/28/2019 10:38 PM Figure 16: Examples of using Data Diagram to analyze data layers in MGMT: (top left) diagram of statewide City layer; (top right) diagram of 6th order stream layer; (bottom left) diagram for drift wells; (bottom right) diagram of class 4 lakes. 2.3 Feature Attributes & Data Query Identify Feature – To view attributes of an individual feature, use the (‘Identify Feature’) button or navigate to ‘Identify geometry’ in the Identification menu. Click on a location in your Work Display to identify features at that location, and an Identify window will appear. In addition, a box can be created to identify a group of features in the Work display – click and drag from a location. To identify multiple features, hold shift while clicking at different locations on the map. An Identify window is shown in Figure 17. MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 17: Identify window used in MGMT to display attributes of features in the Work Display A ‘Query features’ tool is available to locate a particular value or text string stored within a feature. Access Query features by navigating to the Identification menu. Upon selection, a Feature Query menu will appear underneath the Locator tool to the right of the Work Display. More details are provided in Figure 18: Utilizing the Query features tool: (top left) engaging the tool; (top right) specifying a unique value to query; (bottom left) exporting the queried shapefile to a specified location (bottom right) displaying the exported shapefile in the Work Display. Specify the layer(s) to identify Highlight a feature to see its attributes in the bottom panel MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 18: Utilizing the Query features tool: (top left) engaging the tool; (top right) specifying a unique value to query; (bottom left) exporting the queried shapefile to a specified location (bottom right) displaying the exported shapefile in the Work Display. 2.4 Ruler & Sketch 2.4.1 Distance and Area Measurements In interactive tool is available to measure distances and areas, including the perimeter and area of polygon features in the Work Display. Select (‘Map Measurement’) in the Identification menu, and use the cursor and the LM button to select two points to measure a distance (default setting). The results are shown in the text box next to ‘Distance’ in the AO pane. To change the units, click the drop-down window next ‘Unit’, and select an entry from the list. To calculate the area of a polygon, select ‘Area’ from Measurement options in the AO pane, and then single-click the LM button to define the vertices of the polygon that will fine the model domain. Double-click the LM button to close the polygon at the final vertex location. To calculate the perimeter and area of a polygon feature, select ‘Feature in’ from Measurement options, and then single-click the LM button on a polygon to display the results in the AO pane. If a polyline (e.g., stream reach) is selected, the length is calculated and displayed in the AO pane. By default, the features that are visible in the Work Display are available for analysis, but the user change this by choosing a layer from the drop-down window beneath ‘Feature in’ (see Figure 19). Specify the layer(s) and field for searching unique values The exported shapefile can be added as a layer The user may export the queried feature to a specified location MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 19: An example of using the Map Measure tool to calculate the area and perimeter of Sanilac County. 2.4.2 Sketch on the Map Users may draw line segments, polygons, or point markers, and add annotations with text box overlays. Access the sketch tools by selecting (‘Sketch on the map’) from the Button toolbar. This will activate the Sketch options in the AO pane (see Figure 20: Utilizing the Sketch tool to annotate the Work Display.. Select a tool from the Sketch options, and use the LM button and the cursor location to draw a polygon or line segment in the Work Display. Customization options (e.g., line color, fill color, etc.) available for each tool are accessible when the tool is active (selected). Use (‘Select element’) to move any drawn object to a new position or edit any of the node (vertex) locations, or to delete an object (select the object while is engaged, then use the Delete key). Use the RM button while is engaged to bring up additional options for any drawn object (e.g., rotate, flip, etc.). To draw a text box, select (‘Create new text’) and then use the cursor and LM button to indicate the position of the text box in the Work Display. Enter the text string in the text box below the Sketch tools. Font type and style may be changed to any of the available options in the lower part of the AO pane. Select a layer and a location to yield results, even if the layer is not visible in the Work Display Results displayed in the lower part of the AO pane MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 20: Utilizing the Sketch tool to annotate the Work Display. 2.5 Modeling Tools A suite of 2D groundwater modeling tools are available for delineating flow patterns, tracking and timing the movement of water and contaminants, and evaluating the impacts of pumping. In this subsection, the user is shown how to access the tools and capabilities integrated into the MGMT modeling environment. In Part 3, a more in depth discussion of modeling tool options and applications is provided to aid in the execution of real-world site characterizations and groundwater studies. 2.5.1 Create a 2D model of the Potentiometric Surface At any scale and for any location, MGMT allows for creating a 2D (horizontal) model of the groundwater potentiometric surface. Static water level data are critically evaluated and used for spatial interpolation using an automated, moving window kriging technique (more details Curtis et al., in press). Raw SWL datasets (e.g., all glacial wells or all bedrock wells) are pre-processed to remove statistical outliers, random noise, and ‘black and white’ errors that are clearly wrong. To create a 2D model, navigate to the Model menu, select ‘Create 2D model’ then select (‘by a Polygon’) or (‘by Feature’) using the LM button. Both of these tools are also available in the button Toolbar. By a Polygon – Select this tool, then single-click the LM button to define the vertices of the polygon that will define the model domain. Double-click the LM button to close the polygon at the final vertex location. (Note that you must define the polygon vertices in the clockwise direction; otherwise, an error message will appear.) To create a rectangle, hold the Shift key while selecting the first vertex and the vertex diagonal of the first. After closing the polygon, the Model Options window will appear, where the user can define the model name and grid properties, assign physical properties (e.g., effective porosity, conductivity) and select the SWL base data to utilize (see Figure 21). Three SWL source layers are available: Well – which uses all complete well data available in the study area; AllRivs_BigLakes_WellOutlierRMV_Std3 – which uses all large surface water bodies and a processed well dataset that has had outliers removed (i.e., data points three standard deviations outside the local mean were removed); and Sketch options appear in the AO pane after selecting Sketch from the Button toolbar Add text, polygons, or line segments anywhere in the Work Display MGMT User’s Manual Version 1/28/2019 10:38 PM BedRockWell_GLakes_outlierRMV_Std3 – which uses Great Lakes water level data (when applicable) and a processed bedrock well dataset that has had outliers removed in a similar fashion as the previous source layer. Use the LM button to select ‘Apply’ to finalize model creation. The following will automatically appear as layers in Layer Viewer and the Work Display: SWL ColorMap, SWL Velocity vectors, and SWL contours. The new data layers will automatically be grouped into GWFLOW (see Figure 22: MGMT modeling environment once a 2D model has been created. To smoothen the SWL layer, use (‘Smoothen Model Layer’) from the Button toolbar, or navigate to the tool in the Model menu. The value in the text box next to indicates the number of smoothing passes that will be applied, regardless of how the tool is accessed. Five passes is set as default. Figure 21: Model Options window for creating a 2D model in MGMT. MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 22: MGMT modeling environment once a 2D model has been created. By a Feature – If necessary, add the shapefile containing the polygon feature for defining the 2D model domain to the Layer Viewer. Make sure the layer is active (i.e., visible in the Work Display), then select this tool and double-click on the polygon of interest using the LM button. This will select the polygon feature as the model domain and will launch the Model Options window. Use the LM button to select ‘Apply’ to finalize model creation. If the user wishes to combine adjacent polygon features into one polygon feature, they may utilize the Union Selections tool. First, select multiple polygon features by holding the Ctrl key while single-clicking different polygons using the LM button. Then navigate to and select the Union Selections tool (see Figure 23) using the LM button. An example of using this tool is shown in Figure 24. A selected feature may be trimmed using the Clip Selections tool shown in Figure 23. Single-click (LM button) across the feature to define vertices for trimming. Vertices drawn outside of the selected polygon will not expand the selection, whereas vertices drawn inside will redefine a smaller model domain. Double-click to close the clipping polygon back to the original vertex location. An example of using this tool is shown in Figure 25 MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 23: Two methods for accessing the Union Selections and Clips Selections tools in MGMT. Figure 24: Creating a model domain from multiple polygon features using the Union selections tool. MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 25: Modifying the selected polygon feature using the Clip Selections tool. The polygon shown in the bottom panel of Figure 24 was clipped along the Muskegon River. Model Options – Users may adjust model settings at any point by selecting (‘Set Model Options’) from the Button toolbar or by navigating to ‘Active model properties’ in the Model menu. After making changes, select apply to re-run the model. 2.5.2 Creating a Polygon Raster MGMT enables users to produce a raster layers of the DEM, bedrock, or hydraulic conductivity within the model domain used for delineating groundwater flow patterns. Within the Model Options window, select the Datasets tab. After selecting Apply, the boxes next to SWL and Conductivity will automatically be active (). DEM and bedrock elevation rasters can be generated by activating DEM and Bedrock datasets, respectively. A secondary SWL layer can be generated, e.g., to compare results for different well datasets, by making the SWL_2 dataset active. Once an active dataset is selected from the Dataset List, dataset options can be adjusted, including the data source (different scales of resolution) and colormap/contour layer settings. For the SWL layer(s), the velocity layer options can also be updated. More details are provided in Figure 26: Dataset tab in Model Options window for customizing raster layers within the model domain. Once the user selects ‘Apply’ using the LM button, the GWFLOW group layer will be updated to include the additional raster layers. The subgroup layer OtherRaster contains the newly created raster, an example of which is shown in Figure 27. MGMT User’s Manual Version 1/28/2019 10:38 PM Figure 26: Dataset tab in Model Options window for customizing raster layers within the model domain. Figure 27: DEM (90m) raster polygon created for the modeling domain shown in Figure 22. Next >