topic How to determine the area over a certain slope within a number of grid cells? in ArcMap Questions https://community.esri.com/t5/arcmap-questions/how-to-determine-the-area-over-a-certain-slope/m-p/1111505#M3116 <P data-unlink="true"><A href="https://imgur.com/PTeQwNa" target="_self">I've generated a FISHNET grid over my study area, and intersected it with the boundary I've sectioned off as source area</A>. I've also generated a slope map, and now I want to determine how much area over a certain slope is within each grid cell.</P><P data-unlink="true">Should I first select all the area within my boundary over the desired slope limit, make that a polygon feature? If so how?</P><P data-unlink="true">&nbsp;</P><P data-unlink="true">Once I have that polygon feature bounding my steep slope areas I can correct map area to surface area with ADD SURFACE INFORMATION from 3D ANALYST, something I've done before. Then how do I generate a table that tells me how much of those areas falls within each grid cell?&nbsp;</P> Wed, 27 Oct 2021 03:06:05 GMT Atlas_Beetle 2021-10-27T03:06:05Z How to determine the area over a certain slope within a number of grid cells? https://community.esri.com/t5/arcmap-questions/how-to-determine-the-area-over-a-certain-slope/m-p/1111505#M3116 <P data-unlink="true"><A href="https://imgur.com/PTeQwNa" target="_self">I've generated a FISHNET grid over my study area, and intersected it with the boundary I've sectioned off as source area</A>. I've also generated a slope map, and now I want to determine how much area over a certain slope is within each grid cell.</P><P data-unlink="true">Should I first select all the area within my boundary over the desired slope limit, make that a polygon feature? If so how?</P><P data-unlink="true">&nbsp;</P><P data-unlink="true">Once I have that polygon feature bounding my steep slope areas I can correct map area to surface area with ADD SURFACE INFORMATION from 3D ANALYST, something I've done before. Then how do I generate a table that tells me how much of those areas falls within each grid cell?&nbsp;</P> Wed, 27 Oct 2021 03:06:05 GMT https://community.esri.com/t5/arcmap-questions/how-to-determine-the-area-over-a-certain-slope/m-p/1111505#M3116 Atlas_Beetle 2021-10-27T03:06:05Z