How can i Deliniate a watershed with SRTM data..I Need to have streams along with the area covered by the watershed.
You need the spatial analyst extension and there is a Hydrology set there that you serve your purposes. ArcGIS Help (10.2, 10.2.1, and 10.2.2)
Thank you DAN, I tried with that tool but i didn't got the proper results, Up to Streams it is ok but to extract the watershed area it didn't given the proper result.
You would have to describe what "proper" results means. Do you mean unexpected results? or was there an error? Visuals would help including what you used as inputs to the tools themselves. Did you fill sinks prior to running of the tools in the Hydrology toolset? More details required.
yes i filled the sinks,flow dir, flow accumulation, pour points all i followed the way i got the streams,But lastly it is not showing any area and not any error just its showing a completly dark output not giving any watersehd area
Still more information (and visuals) on the inputs that you used. If any step in the process is suspect, then watershed will yield erroneous results
You could also download and install the ArcHydro extension. It has very extensive help for stepping you through the processes leading to a watershed delineation. The download details are here in this discussion: New password for Arc Hydro ftp site - March 11 2014
Also, would suggest you might move this posting to the Arc Hydro Sub-Space and apply a few tags "arc_hydro" "watershed"
If you are interested in delineating using the 90m SRTM data, we (Esri) provide a watershed geoprocessing service called Watershed that will do on-the-fly watershed deleation. The source of our world data coverage is HydroSHEDS, a hydrologically conditioned version of the 90m SRTM data. The Watershed tool is still in BETA, so it is free to use if you have an ArcGIS Online organizational account. Here is a one hour live training seminar from a few months ago that shows the tool in action
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