topic Catchment Delineation in Water Resources Questions https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311782#M1494 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I am processing in GeoHMS to create a watershed. The catchment grid created has gaps in between.</SPAN><BR /><SPAN>Surprisingly, in my first attempt of preprocessing,this issue didnot occur.</SPAN><BR /><SPAN>later, I had to reshape the dem for outlet point, and since then, there has been gaps in the catchment grid.</SPAN><BR /><BR /><SPAN>I have even burned the streams into the dem, and have done a no.of trials by adjusting the threshold area, but still the issue persists</SPAN><BR /><SPAN>Kindly help. I am using ArcGIS 10, and Aster dem.</SPAN></BODY></HTML> Wed, 02 Jul 2014 06:57:35 GMT ketakiagarwal 2014-07-02T06:57:35Z Catchment Delineation https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311782#M1494 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I am processing in GeoHMS to create a watershed. The catchment grid created has gaps in between.</SPAN><BR /><SPAN>Surprisingly, in my first attempt of preprocessing,this issue didnot occur.</SPAN><BR /><SPAN>later, I had to reshape the dem for outlet point, and since then, there has been gaps in the catchment grid.</SPAN><BR /><BR /><SPAN>I have even burned the streams into the dem, and have done a no.of trials by adjusting the threshold area, but still the issue persists</SPAN><BR /><SPAN>Kindly help. I am using ArcGIS 10, and Aster dem.</SPAN></BODY></HTML> Wed, 02 Jul 2014 06:57:35 GMT https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311782#M1494 ketakiagarwal 2014-07-02T06:57:35Z Re: Catchment Delineation https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311783#M1495 <HTML><HEAD></HEAD><BODY><SPAN>Did you fill sinks? Failing to fill sinks can result in gaps like this.</SPAN></BODY></HTML> Wed, 02 Jul 2014 15:49:10 GMT https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311783#M1495 MarkBoucher 2014-07-02T15:49:10Z Re: Catchment Delineation https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311784#M1496 <HTML><HEAD></HEAD><BODY><SPAN>yes..i have done that. twice..Before and after&nbsp; burning the streams . </SPAN><BR /><SPAN>The surprsing fact is, it didnot happen in the first attempt .. Am guessing its the dem issue. because, its working fine with global dem.</SPAN></BODY></HTML> Thu, 03 Jul 2014 03:34:37 GMT https://community.esri.com/t5/water-resources-questions/catchment-delineation/m-p/311784#M1496 ketakiagarwal 2014-07-03T03:34:37Z