topic Profiling water quality concentrations in Water Resources Questions https://community.esri.com/t5/water-resources-questions/profiling-water-quality-concentrations/m-p/520379#M2692 <HTML><HEAD></HEAD><BODY><SPAN>First time poster, not sure if this is the right forum, but I'm working on an independent project and I think I have bitten off more than I can chew.&nbsp; My&nbsp; intentions were to create a 3D profile of anoxic water concentrations in a local lake.&nbsp; I know that the water decreases in oxygen concentration with depth.&nbsp; I have all of the data that I need, currently as multiple points throughout the water column that share XY coordinate data.</SPAN><BR /><BR /><SPAN>My problem is that I want to interpolate a surface between all of the hypoxic to anoxic points that shows oxygen concentrations throughout the profile and I only have experience doing this with data of the same depth.&nbsp; I've already used the IDW and Kriging tools on all of the points and I'm fairly certain what I came up with is wrong.</SPAN><BR /><BR /><SPAN>Is there a way that I can use depth points individually to create a 3D surface to show regions of anoxia?&nbsp; The layer doesn't have to show differences in concentrations, only that the area within the surface is anoxic.</SPAN><BR /><BR /><SPAN>I'm not entirely sure this is doable, let alone decipherable; regardless, thanks for any and all help in advance!</SPAN><BR /><BR /><SPAN>-Patrick</SPAN></BODY></HTML> Mon, 18 Mar 2013 13:42:55 GMT PatrickFaha 2013-03-18T13:42:55Z Profiling water quality concentrations https://community.esri.com/t5/water-resources-questions/profiling-water-quality-concentrations/m-p/520379#M2692 <HTML><HEAD></HEAD><BODY><SPAN>First time poster, not sure if this is the right forum, but I'm working on an independent project and I think I have bitten off more than I can chew.&nbsp; My&nbsp; intentions were to create a 3D profile of anoxic water concentrations in a local lake.&nbsp; I know that the water decreases in oxygen concentration with depth.&nbsp; I have all of the data that I need, currently as multiple points throughout the water column that share XY coordinate data.</SPAN><BR /><BR /><SPAN>My problem is that I want to interpolate a surface between all of the hypoxic to anoxic points that shows oxygen concentrations throughout the profile and I only have experience doing this with data of the same depth.&nbsp; I've already used the IDW and Kriging tools on all of the points and I'm fairly certain what I came up with is wrong.</SPAN><BR /><BR /><SPAN>Is there a way that I can use depth points individually to create a 3D surface to show regions of anoxia?&nbsp; The layer doesn't have to show differences in concentrations, only that the area within the surface is anoxic.</SPAN><BR /><BR /><SPAN>I'm not entirely sure this is doable, let alone decipherable; regardless, thanks for any and all help in advance!</SPAN><BR /><BR /><SPAN>-Patrick</SPAN></BODY></HTML> Mon, 18 Mar 2013 13:42:55 GMT https://community.esri.com/t5/water-resources-questions/profiling-water-quality-concentrations/m-p/520379#M2692 PatrickFaha 2013-03-18T13:42:55Z