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Lake Contours to Polygons for surface area and volume calculations

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09-08-2025 09:41 AM
MelissaMitchell
Occasional Contributor

Hello,

I would like help to create contour polygons from a lake contour line layer. I have tried creating the polygons, but the polygons are created in a ring and I want the plolygons to stretch the length of the lake, like in layers.

For instance if a contour is 0 in depth it should include all of 1-13 feet in depths, If the contour is 1ft in depth then it would include 2-13 feet contour depths. therefore I can calculate the volume of the lake. 

Thank you so much for your help!

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DanPatterson
MVP Esteemed Contributor

like contour shell in

Contour (Spatial Analyst)—ArcGIS Pro | Documentation

If you have the original DEM as input


... sort of retired...
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