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Now you would like to highlight the boundary of the entire Buffalo-San Jacinto subbasin, but if you tried to change the outline of the current subwatersheds layer, it would change the outline around all subwatersheds. Instead, you will dissolve all the subwatersheds into a single subbasin feature stored in a new feature class inside your HydrologyLab geodatabase.
- Next to On the Map tabribbon, click the Analysis tab and select Tools.and click the Tools button, which will open the Geoprocessing pane on the right.
Notice that at the bottom of the Geoprocessing pane
- On the search bar, type "Dissolve" and press Enter. Double-click Dissolve (Data Management Tools).
- In the top right corner of the ‘Dissolve’ window, click question mark icon.
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