topic Developing Drainage Areas in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664179#M9583 <HTML><HEAD></HEAD><BODY><SPAN>Hello.&nbsp; I have a question that may seem easy to some of you, but I am stumped and need your help.&nbsp; </SPAN><BR /><BR /><SPAN>I had a conversation with a co-worker this afternoon about a project we are working on where they need drainage areas.&nbsp; I have</SPAN><BR /><SPAN>3 meter DEMs that cover the desired area and was wondering if there was a way to use these DEMs to develop a shapefile consisting of said drainage areas.&nbsp; </SPAN><BR /><BR /><SPAN>I'm guessing I need to convert to flow direction rasters?&nbsp; If so, what is the next step after that?&nbsp; Any help would be greatly appreciated.&nbsp; Thanks!</SPAN></BODY></HTML> Wed, 08 Jan 2014 19:53:28 GMT KellyHanne1 2014-01-08T19:53:28Z Developing Drainage Areas https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664179#M9583 <HTML><HEAD></HEAD><BODY><SPAN>Hello.&nbsp; I have a question that may seem easy to some of you, but I am stumped and need your help.&nbsp; </SPAN><BR /><BR /><SPAN>I had a conversation with a co-worker this afternoon about a project we are working on where they need drainage areas.&nbsp; I have</SPAN><BR /><SPAN>3 meter DEMs that cover the desired area and was wondering if there was a way to use these DEMs to develop a shapefile consisting of said drainage areas.&nbsp; </SPAN><BR /><BR /><SPAN>I'm guessing I need to convert to flow direction rasters?&nbsp; If so, what is the next step after that?&nbsp; Any help would be greatly appreciated.&nbsp; Thanks!</SPAN></BODY></HTML> Wed, 08 Jan 2014 19:53:28 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664179#M9583 KellyHanne1 2014-01-08T19:53:28Z Re: Developing Drainage Areas https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664180#M9584 <HTML><HEAD></HEAD><BODY><SPAN>Start here:</SPAN><BR /><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Understanding_drainage_systems/009z0000005m000000/">http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Understanding_drainage_systems/009z0000005m000000/</A><BR /><SPAN>the next pages go through the entire process for you.</SPAN><BR /><SPAN>Best Regards, </SPAN><BR /><SPAN>Jim</SPAN></BODY></HTML> Thu, 09 Jan 2014 15:22:34 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664180#M9584 JimCousins 2014-01-09T15:22:34Z Re: Developing Drainage Areas https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664181#M9585 <HTML><HEAD></HEAD><BODY><SPAN>Thanks very much!&nbsp; I'll give it a shot.</SPAN></BODY></HTML> Thu, 09 Jan 2014 15:56:11 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/developing-drainage-areas/m-p/664181#M9585 KellyHanne1 2014-01-09T15:56:11Z