topic Re: Generating watershed in 9.3.1 in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474755#M6821 <HTML><HEAD></HEAD><BODY><SPAN>Did you ever find an answer to your problem? I'm having the same issue and have been unable to resolve it. Any help would be appreciated!</SPAN></BODY></HTML> Sat, 01 Jan 2011 15:18:17 GMT AliWhite 2011-01-01T15:18:17Z Generating watershed in 9.3.1 https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474753#M6819 <HTML><HEAD></HEAD><BODY><SPAN>Have generated a Flow direction raster using 10 DEMs, for use in generating a watershed based on a shapefile of pour points which consist of randomly selected stream sample locations.&nbsp; When generating this watershed raster I get watershed wihich seems to have vertical and horizontal delineations radiating out from the location of the pour point.&nbsp;&nbsp; This horizontal line appears yo cutoff part of the watershed, and is located over 3 km south of hte edge of the flow direction raster.&nbsp; </SPAN><BR /><SPAN>Extent was set to default.&nbsp; Moving the pour point a few meters "downslope" based on did not change the results.&nbsp; I feel that it might have to do with flow direction raster, but regeneration of this did not change it either.&nbsp; I have attached a screen shot.&nbsp; Does anyone know how to correct this?</SPAN></BODY></HTML> Mon, 20 Sep 2010 18:12:36 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474753#M6819 DanaRobinson 2010-09-20T18:12:36Z Re: Generating watershed in 9.3.1 https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474754#M6820 <HTML><HEAD></HEAD><BODY><SPAN>So sorry for typos.&nbsp; Did not Preview post.&nbsp; </SPAN><BR /><BR /><SPAN>Have generated Flow Direction using 10 meter DEMs.&nbsp; </SPAN><BR /><BR /><SPAN>Moving the pour point a few meters "downslope" based on generated flow accumulation did not change the results.</SPAN><BR /><BR /><SPAN>Think the rest of the typos are understandable.</SPAN></BODY></HTML> Mon, 20 Sep 2010 18:18:14 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474754#M6820 DanaRobinson 2010-09-20T18:18:14Z Re: Generating watershed in 9.3.1 https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474755#M6821 <HTML><HEAD></HEAD><BODY><SPAN>Did you ever find an answer to your problem? I'm having the same issue and have been unable to resolve it. Any help would be appreciated!</SPAN></BODY></HTML> Sat, 01 Jan 2011 15:18:17 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/generating-watershed-in-9-3-1/m-p/474755#M6821 AliWhite 2011-01-01T15:18:17Z