Use the Locate button in the Map view to locate the town of Wimberley, Texas Click on the reach of the Blanco River just downstream of Wimberley: And see that this reach has a use this later to get information from the COMID = 1630223. you’ll We’ll National Water Model. If you click on the catchment within which this flowline is located, see that you’ll it has a It is this one to one relationship between the COMID of the Flowline and FeatureID = 1630223. the FeatureID of the Catchment that connects the river and stream segments with their surrounding local drainage areas in the National Water Model. Use Zoom to Layer for the Basin feature class to get back the original extent of our map. Turn off the Locate panel to eliminate the symbolization of Wimberley. Explore the map and identify where the Blanco River, San Marcos River and Plum Creek are located in the basin. Now create a map and do some summarization of watershed attributes. need to create a new let’s We’ll Layout with the New Layout button in the tab. Insert Add your Map Frame to the Layout (make sure you can see the whole basin), add a Text Rectangle, Add Plum Creek, Blanco River, and San Marcos River Text Rectangles to the Layout (click on the tool and then draw a box on the map and type in the river name. , then right-click on each Text Rectangle in the Contents pane and select Add Leader. Move the Text Rectangles around and select Add Leader again to change the location of the pointer until your map looks something like this: Save your map document as to preserve your layout. Ex2_project_flow.aprx Open the attribute table for Flowline. Note that there is a field that was obtained from the LENGTHKM original data. Use this to compute the average length of flowlines. This is easiest done in Excel. Right click on Flowline and select Data Export Table.
Use the Locate button in the Map view to locate the town of Wimberley, Texas Click on the reach of the Blanco River just downstream of Wimberley: And you’ll see that this reach has a COMID = 1630223. We’ll use this later to get information from the National Water Model. If you click on the catchment within which this flowline is located, you’ll see that it has a FeatureID = 1630223. It is this one to one relationship between the COMID of the Flowline and the FeatureID of the Catchment that connects the river and stream segments with their surrounding local drainage areas in the National Water Model. Use Zoom to Layer for the Basin feature class to get back the original extent of our map. Turn off the Locate panel to eliminate the symbolization of Wimberley. Explore the map and identify where the Blanco River, San Marcos River and Plum Creek are located in the basin. Now let’s create a map and do some summarization of watershed attributes. We’ll need to create a new Layout with the New Layout button in the Insert tab. Add your Map Frame to the Layout (make sure you can see the whole basin), add a Text Rectangle, Add Plum Creek, Blanco River, and San Marcos River Text Rectangles to the Layout (click on the tool and then draw a box on the map and type in the river name. , then right-click on each Text Rectangle in the Contents pane and select Add Leader. Move the Text Rectangles around and select Add Leader again to change the location of the pointer until your map looks something like this: Save your map document as Ex2_project_flow.aprx to preserve your layout. Open the attribute table for Flowline. Note that there is a field LENGTHKM that was obtained from the original data. Use this to compute the average length of flowlines. This is easiest done in Excel. Right click on Flowline and select Data Export Table.
Ex22016.docx