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Archive for August, 2013

The good news is that ESRI is offering a quick and easy way for users to delineate watersheds using one of its online services in ArcGIS online. You can read about here:
http://blogs.esri.com/esri/arcgis/2013/08/13/custom-watersheds-at-the-click-of-a-button-watershed-delineation-in-arcgis-online/

The one downside is that the service is only available to users who have an ArcGIS organization account. An alternative is the functionality that is available in HydroDesktop (http://his.cuahsi.org/hydrodesktop.html). This software relies on an EPA service that for the most part works pretty well, but I’ve experienced some erroneous results from time to time when making a delineation. The upside is that the software will create a shapefile of your watershed of interest to you local disk which can be convenient.

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