Please tell me more about "Relative Elevation Model". Are those elevations in the river's surroundings relative to the river's water surface height? Or something else?
this post was submitted on 07 Oct 2023
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Lemmy (pun intended) answer my own question here: Yes, it's relative hight along the river's centerline: https://opentopography.org/blog/new-package-automates-river-relative-elevation-model-rem-generation