Advice Help brainstorming a canyon extraction workflow


gO Newbie
Jan 6, 2022
Hi, everyone. I'm needing some help brainstorming how to develop an automated (or semi-automated) method of canyon extraction from 1 m elevation models. In addition to elevation models, I have derived slope and aspect models.

To technically be a canyon for my purposes, the slope must be at least 45 degrees on cliffs facing one another (opposite aspects) within a certain width threshold.

I have eCognition, ArcGIS, and ERDAS software to use. Any suggestions would be greatly appreciated!